[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.1"]
[White "Van Wely, Loek"]
[Black "Kloppers, Eric"]
[Result "1-0"]
[ECO "A80"]
[Opening "Dutch"]
[EventDate "2023.08.11"]

1. d4 f5 2. Nc3 d5 3. Bg5 Nf6 4. e3 c6 5. Nf3 e6 6. Ne5 Nbd7 7. f4 Be7 8.
Bd3 O-O 9. O-O a5 10. Qf3 Ne4 11. Bxe7 Qxe7 12. Bxe4 dxe4 13. Qf2 Nxe5 14.
dxe5 b5 15. Rfd1 Bb7 16. Rd6 Rfd8 17. Rad1 Kf8 18. Qd2 Ke8 19. Qd4 Rxd6 20.
exd6 Qd7 21. Qc5 Rd8 22. a3 Bc8 23. b4 a4 24. Ne2 Qb7 25. Nd4 Bd7 26. Nxf5
Kf7 27. Ng3 Kg8 28. Nxe4 Rf8 29. Qg5 Qc8 30. Nc5 h6 31. Qh4 Rf7 32. h3 Qe8
33. Qh5 Qf8 34. Qg6 Qe8 35. e4 Qc8 36. Rf1 Rf6 37. Qg3 Kh7 38. e5 Rf5 39.
Qe3 g6 40. g4 Rf7 41. Kg2 Kg7 42. f5 g5 43. f6+ Kh8 44. h4 Qg8 45. hxg5 Qg6
46. Rh1 Qxc2+ 47. Kg3 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.2"]
[White "Van Roestel, Jan"]
[Black "Ter-Sahakyan, Samvel"]
[Result "0-1"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nc6 6. O-O e6 7. d3 Nge7 8.
Qe1 O-O 9. Bb3 d5 10. e5 b6 11. g4 Ba6 12. a3 c4 13. dxc4 Na5 14. Ba2 Nxc4
15. Ne2 Nc6 16. c3 f6 17. Nfd4 Nxd4 18. Nxd4 Qd7 19. exf6 Rxf6 20. g5 Rf7
21. Rf3 Raf8 22. Bxc4 Bxc4 23. b3 Ba6 24. Qg3 e5 25. fxe5 Rxf3 26. Nxf3 Qf5
0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.3"]
[White "Dardha, Daniel"]
[Black "Albrecht, Alex"]
[Result "1-0"]
[ECO "C00"]
[Opening "French"]
[Variation "Chigorin variation"]
[EventDate "2023.08.11"]

1. e4 e6 2. Qe2 Be7 3. Nf3 d5 4. d3 Nf6 5. g3 c5 6. Bg2 Nc6 7. O-O O-O 8.
e5 Nd7 9. a4 a6 10. Re1 Re8 11. h4 Rb8 12. Nbd2 b5 13. axb5 axb5 14. Nf1
Bf8 15. Bf4 Bb7 16. h5 Ra8 17. h6 Ne7 18. Ne3 Ng6 19. hxg7 Bxg7 20. Bg5 Qc7
21. Ng4 Rxa1 22. Rxa1 Ra8 23. Rxa8+ Bxa8 24. Nf6+ Nxf6 25. exf6 Bf8 26. Qd2
e5 27. Bh6 Qd8 28. Bxf8 Qxf8 29. Qa5 Qe8 30. Qa7 c4 31. Ng5 Bc6 32. Qc7 Ba8
33. Bh3 Nf8 34. Be6 Nxe6 35. Nxe6 h6 36. Qe7 Bc6 37. Nc7 Qc8 38. Qxe5 Qg4
39. Nxd5 Qd1+ 40. Kh2 Kh8 41. Qd6 Qh5+ 42. Kg1 Qd1+ 43. Kg2 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.4"]
[White "De Cuyper, Yago"]
[Black "Vrolijk, Liam"]
[Result "0-1"]
[ECO "B94"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.Bg5"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 e6
8. O-O-O Qc7 9. f4 Be7 10. g4 h6 11. Bxf6 Bxf6 12. Bg2 g5 13. Ndb5 axb5 14.
Nxb5 Qc5 15. Nxd6+ Ke7 16. e5 Bg7 17. Bxb7 Bxb7 18. Nxb7 Qb4 19. Nd6 Rxa2
20. c3 Ra1+ 21. Kc2 Qa4+ 22. Kd2 Qxf4+ 23. Kc2 Qa4+ 24. Kd2 Rxd1+ 25. Rxd1
Nxe5 26. Kc1 Rd8 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.5"]
[White "Krasenkow, Michal"]
[Black "Welten, Hans"]
[Result "1-0"]
[ECO "A35"]
[Opening "English"]
[Variation "symmetrical, four knights system"]
[EventDate "2023.08.11"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8.
Be3 O-O 9. O-O Bd7 10. f4 Qc8 11. Kh1 Bg4 12. Bxg4 Nxg4 13. Bg1 Nxd4 14.
Bxd4 Bxd4 15. Qxd4 Qc5 16. Qxc5 dxc5 17. Rf3 Rfd8 18. h3 Nf6 19. e5 Ne8 20.
f5 Rd4 21. Nd5 e6 22. fxe6 fxe6 23. Ne7+ Kg7 24. Raf1 Rad8 25. Rf7+ Kh6 26.
Ng8+ Kg5 27. Rxh7 Rxc4 28. Nh6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.6"]
[White "Baete, Guy"]
[Black "Schoppen, Casper"]
[Result "0-1"]
[ECO "D01"]
[Opening "Richter-Veresov attack"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. g3 h6 5. Bxf6 Nxf6 6. Bg2 c5 7. dxc5 e6
8. e3 Bxc5 9. Qe2 O-O 10. Nf3 Bb4 11. O-O Bxc3 12. bxc3 Qc7 13. c4 dxc4 14.
Rfd1 e5 15. Nd2 Bg4 16. f3 Be6 17. e4 Rfd8 18. Nf1 c3 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.7"]
[White "Ghazarian, Kirk"]
[Black "Leentjens, Gilbert"]
[Result "1-0"]
[ECO "A15"]
[Opening "English opening"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 h5 6. Qb3 c6 7. Ng5 Qb6 8.
Nxd5 Qxb3 9. Nc7+ Kd7 10. axb3 Kxc7 11. Nxf7 Rg8 12. Ng5 Na6 13. d3 Nb4 14.
Bf4+ Kb6 15. O-O-O a5 16. e4 a4 17. d4 Bh6 18. Bd2 c5 19. Bc4 Rf8 20. dxc5+
Kxc5 21. Kb1 b5 22. Rc1 bxc4 23. Rxc4+ Kd6 24. Bxb4+ Kd7 25. Rd1+ Ke8 26.
Rc7 Bxg5 27. hxg5 Rf7 28. bxa4 Be6 29. a5 Rb8 30. Rd4 h4 31. a6 h3 32. gxh3
Bxh3 33. a7 Ra8 34. Rb7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.8"]
[White "Niewenhuis, Ruud"]
[Black "Ikonnikov, Vyacheslav"]
[Result "0-1"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 a6 3. c4 d6 4. d4 Bg4 5. dxc5 Bxf3 6. Qxf3 dxc5 7. Nc3 Nc6
8. Be3 e6 9. Rd1 Nd4 10. Bxd4 cxd4 11. a3 Qb6 12. Ne2 Qxb2 13. Qd3 Qxa3 14.
Nxd4 Qa5+ 15. Ke2 Rd8 16. Qb3 Bc5 17. Nf3 Rxd1 18. Kxd1 Qa1+ 19. Ke2 Nf6
20. g3 Nxe4 21. Bg2 Qa5 22. Qxb7 Qa2+ 23. Kd3 O-O 24. Qxe4 Rd8+ 25. Kc3 a5
26. Rb1 Bb4+ 27. Rxb4 axb4+ 28. Kxb4 Rb8+ 29. Kc3 Qb2+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.9"]
[White "Leenhouts, Koen"]
[Black "De Kruik, Yorick"]
[Result "1-0"]
[ECO "E26"]
[Opening "Nimzo-Indian"]
[Variation "Saemisch variation"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8.
Ne2 e5 9. e4 cxd4 10. cxd4 exd4 11. O-O Ne5 12. Nxd4 O-O 13. Rb1 Qc7 14.
Bg5 Nfd7 15. Be2 Nb6 16. Nb5 Qc6 17. Qxd6 Nexc4 18. Qxc6 bxc6 19. Nc7 Rb8
20. Bxc4 Rb7 21. Be7 Rxc7 22. Bxf8 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.10"]
[White "Hematyar, Fardin"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[EventDate "2023.08.11"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Be2 cxd4 6. cxd4 Bg7 7. Nf3 Nf6
8. Nc3 Qa5 9. O-O O-O 10. Qb3 Nc6 11. Rd1 Qb4 12. Qxb4 Nxb4 13. a3 Nbd5 14.
Bg5 h6 15. Bh4 Nxc3 16. bxc3 g5 17. Bg3 Ne4 18. Rac1 Nxg3 19. hxg3 Be6 20.
Nd2 Rac8 21. f4 gxf4 22. gxf4 Rxc3 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.11"]
[White "Kriens, Hans"]
[Black "Pfreundt, Jakob"]
[Result "0-1"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. a3 c6 6. cxd5 exd5 7. g3 Be7 8.
Bg2 O-O 9. O-O Re8 10. Qc2 Nb6 11. e3 g6 12. b3 Bf5 13. Qb2 Qc8 14. a4 a5
15. Bd2 Bh3 16. Rac1 Qf5 17. Qc2 Qh5 18. Bxh3 Qxh3 19. Ne2 Bd6 20. Nf4 Qd7
21. Nd3 Ne4 22. Kg2 Qe7 23. h4 Nd7 24. Rh1 h6 25. Rcg1 Qe6 26. Be1 Qf5 27.
Qe2 Re7 28. Nh2 Nef6 29. f3 h5 30. Bf2 c5 31. Nxc5 Nxc5 32. dxc5 Bxc5 33.
g4 hxg4 34. Nxg4 Nxg4 35. fxg4 Qe4+ 36. Qf3 Bxe3 37. Re1 d4 38. Bxe3 dxe3
39. Qxe4 Rxe4 40. Kf3 Rae8 41. Re2 Rb4 42. Rhe1 Ree4 43. h5 g5 44. Rxe3
Rf4+ 45. Ke2 Rxg4 46. Rh1 Rge4 47. Rxe4 Rxe4+ 48. Kf3 Rb4 49. h6 Kh7 50.
Kg3 b6 51. Rf1 Kg6 52. h7 Rh4 53. Rd1 Kxh7 54. Rd5 Rb4 55. Rxg5 Rxb3+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.12"]
[White "Maatman, Nick"]
[Black "Lucas, Fred"]
[Result "1-0"]
[ECO "A59"]
[Opening "Benko gambit"]
[Variation "main line"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8.
e4 Bxf1 9. Kxf1 d6 10. g3 O-O 11. Kg2 Nbd7 12. a4 Ra6 13. Re1 Ng4 14. Ra3
Nge5 15. Nxe5 Nxe5 16. Qe2 c4 17. Bd2 Qa8 18. Rb1 Rb8 19. Be3 Rb7 20. Bd4
Rc7 21. Qc2 Rc8 22. Rba1 h5 23. h4 Qb7 24. Qe2 Qd7 25. b4 Nd3 26. Bxg7 Kxg7
27. Nd1 Rb8 28. b5 Ra5 29. Ne3 Qc7 30. Qd2 Kg8 31. Qc3 Rc8 32. Rb1 Qb6 33.
Ra2 Qa7 34. Rba1 Rc5 35. Nxc4 Ne5 36. Qxa5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.13"]
[White "Bielawa, Jaro Maximilian"]
[Black "Pham, Khoi"]
[Result "0-1"]
[ECO "B50"]
[Opening "Sicilian"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Bb5+ Nbd7 7. Nxd7
Bxd7 8. Bxd7+ Qxd7 9. d3 Be7 10. Nc3 O-O 11. Be3 Rfd8 12. Qf3 b5 13. Bg5 h6
14. Bh4 Qd4 15. Bxf6 Bxf6 16. O-O b4 17. Na4 c4 18. Rad1 c3 19. b3 Qd6 20.
Rfe1 Bd4 21. Re4 e5 22. Rde1 f5 23. Rh4 Rf8 24. Re2 Rae8 25. g4 fxg4 26.
Qxg4 Re6 27. Qe4 Ref6 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.05"]
[Round "1.14"]
[White "Van Delft, Merijn"]
[Black "Godding, Mick"]
[Result "1-0"]
[ECO "B01"]
[Opening "Scandinavian defence"]
[EventDate "2023.08.11"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. d4 Nxd5 5. Nf3 c6 6. Be2 e6 7. O-O Bd6
8. Re1 O-O 9. c4 Nf4 10. Bf1 Qf6 11. Nc3 e5 12. Ne4 Qg6 13. Qd2 Nf6 14.
Nxd6 Nh3+ 15. Kh1 Ng4 16. gxh3 Qxd6 17. hxg4 Bxg4 18. Nxe5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.1"]
[White "Duchene, Rene"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "B06"]
[Opening "Robatsch defence"]
[Variation "two knights variation"]
[EventDate "2023.08.11"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Nc3 a6 5. a4 Nf6 6. Be2 O-O 7. O-O b6 8.
Re1 Bb7 9. Bf1 e6 10. h3 Nbd7 11. Bg5 h6 12. Bf4 Qe7 13. Qd2 Kh7 14. g4 e5
15. Bg3 c6 16. Rad1 Rfe8 17. dxe5 dxe5 18. Bc4 b5 19. Bb3 b4 20. Na2 c5 21.
g5 Nxe4 22. Qxd7 Nxg3 23. Nxe5 Bxe5 24. Rxe5 Qxe5 25. Qxb7 Ne2+ 26. Kh1
Rad8 27. Qxf7+ Kh8 28. Rd5 Rxd5 29. Bxd5 Nf4 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.2"]
[White "Ter-Sahakyan, Samvel"]
[Black "Emans, Job"]
[Result "1-0"]
[ECO "C88"]
[Opening "Ruy Lopez"]
[Variation "closed, anti-Marshall 8.a4"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8.
a4 Bb7 9. d3 d6 10. Bd2 Qd7 11. Nc3 Na5 12. Ba2 b4 13. Ne2 c5 14. Ng3 Rab8
15. Nf5 Bc8 16. Ng5 b3 17. Bxa5 bxa2 18. Rxa2 h6 19. Nf3 Qb7 20. Ne3 g6 21.
c4 Nh5 22. Nd5 Bd8 23. Bd2 Kg7 24. b4 cxb4 25. Bxb4 Qc6 26. d4 Rxb4 27.
Nxb4 Qxc4 28. Rc2 Qe6 29. dxe5 Ba5 30. exd6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.3"]
[White "Van Batenburg, Mees"]
[Black "Dardha, Daniel"]
[Result "0-1"]
[ECO "B56"]
[Opening "Sicilian"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Bd7 6. Bg5 e6 7. f4 a6 8.
Qf3 Nc6 9. O-O-O Nxd4 10. Rxd4 Qa5 11. Bc4 Be7 12. g4 Rc8 13. Bb3 h6 14.
Bh4 Bc6 15. Rg1 g5 16. fxg5 hxg5 17. Bg3 Nd7 18. Rf1 Rh7 19. Bxd6 Bxd6 20.
Rxd6 Qe5 21. Rd2 Nc5 22. Bd5 Bd7 23. Re2 Kf8 24. Bb3 b5 25. Qf6 Qxf6 26.
Rxf6 a5 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.4"]
[White "Vrolijk, Liam"]
[Black "Van Houtte, Randy"]
[Result "1-0"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Bd6 5. d4 Nbd7 6. c4 c6 7. Nfd2 O-O 8.
Nc3 Re8 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Be7 12. Bf4 Nf6 13. Nc3 Bd6 14.
Qd2 Bxf4 15. Qxf4 Bd7 16. Rfe1 Rb8 17. Qd6 Qe7 18. Qc7 Qd8 19. Qe5 b5 20.
c5 b4 21. Ne4 Nxe4 22. Rxe4 Qf6 23. Qc7 Red8 24. Qxa7 Be8 25. Rf4 Qg6 26.
Qa4 b3 27. Be4 f5 28. Bxc6 Bxc6 29. Qxc6 Qf6 30. axb3 g5 31. Rf3 Rxd4 32.
Re3 f4 33. Rxe6 Qf7 34. Rf6 Qxb3 35. Rg6+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.5"]
[White "Coenen, Eduard"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "A40"]
[Opening "Modern defence"]
[EventDate "2023.08.11"]

1. d4 g6 2. Bf4 Bg7 3. e3 d6 4. Nf3 Nd7 5. Bc4 e6 6. c3 Ne7 7. Nbd2 O-O 8.
Qe2 d5 9. Bd3 Nc6 10. Bb5 a6 11. Bxc6 bxc6 12. O-O c5 13. Rfc1 Re8 14. b4
c4 15. Qd1 Nb6 16. e4 a5 17. bxa5 Rxa5 18. Ne5 Bb7 19. exd5 Bxd5 20. Qe2
Qa8 21. Ndf3 c5 22. dxc5 Na4 23. c6 f6 24. Ng4 e5 25. Bd2 Qxc6 26. Ne1 f5
27. Ne3 Bf7 28. N3c2 e4 29. Nd4 Qa8 30. Nec2 Nc5 31. Nb4 Nd3 32. Rcb1 Nxb4
33. Rxb4 Rxa2 34. Rxa2 Qxa2 35. Qe1 Ra8 36. g3 Bd5 37. Be3 h6 38. h4 Bf7
39. Qb1 Qxb1+ 40. Rxb1 h5 41. Rc1 Rb8 42. Kf1 Bf6 43. Ne2 Kf8 44. Bd4 Be7
45. Ra1 g5 46. hxg5 Bxg5 47. Ra5 Be6 48. Nf4 Bxf4 49. gxf4 Ke7 50. Ra7+ Bd7
51. Ra6 Rg8 52. Rh6 Be8 53. Bf6+ Kd7 54. Ke2 Rg1 55. Bg5 Rh1 56. Bf6 Kc6
57. Be5+ Kb5 58. Rh8 Bd7 59. Rd8 Kc6 60. Rh8 h4 61. Rh6+ Kb5 62. Rd6 Be8
63. Rh6 h3 64. Bd4 h2 65. Rh8 Ka5 66. Rh6 Ba4 67. f3 Ra1 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.6"]
[White "Schoppen, Casper"]
[Black "Romkes, Abel"]
[Result "1-0"]
[ECO "A13"]
[Opening "English opening"]
[Variation "Agincourt variation"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. cxd5 exd5 6. d4 cxd4 7. Nxd4 Nc6
8. Bb5 Bd7 9. O-O Bd6 10. Nf3 O-O 11. Bb2 Re8 12. h3 Qe7 13. Nc3 Rad8 14.
Rc1 a6 15. Be2 Bf5 16. Re1 h6 17. Bf1 Bb8 18. Ne2 Qd6 19. Ned4 Be4 20. g3
Ne7 21. Bg2 Qd7 22. Ne2 Qe6 23. Nf4 Qd6 24. Nd4 Ng6 25. Nh5 Nxh5 26. Qxh5
Ne5 27. Red1 Nd3 28. Rc2 Nxb2 29. Rxb2 Ba7 30. Rbd2 Bb6 31. Nf5 Qf6 32.
Bxe4 dxe4 33. Nd6 Re7 34. Qg4 Rf8 35. Nxe4 Qc6 36. Nd6 Rc7 37. Nf5 g6 38.
Rd6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.7"]
[White "Manshanden, Nick"]
[Black "Ghazarian, Kirk"]
[Result "0-1"]
[ECO "A37"]
[Opening "English"]
[Variation "symmetrical variation"]
[EventDate "2023.08.11"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. c4 Nc6 5. Nc3 e6 6. O-O Nge7 7. d4 Nxd4 8.
Nxd4 cxd4 9. Nb5 Qb6 10. e3 O-O 11. Nxd4 d5 12. cxd5 Nxd5 13. Bxd5 exd5 14.
Qb3 Qd8 15. Bd2 Bh3 16. Rfc1 Qd7 17. Bc3 Rfe8 18. Qb5 Qd6 19. Qxb7 Bxd4 20.
Bxd4 Qe6 21. f3 Qf5 22. Qa6 Rxe3 23. Bxe3 Qxf3 24. Rc2 Qxe3+ 25. Rf2 Rc8
26. Qe2 Rc1+ 27. Rxc1 Qxc1+ 28. Rf1 Bxf1 29. Qxf1 Qxb2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.8"]
[White "Ikonnikov, Vyacheslav"]
[Black "Bazilius, Augustinas"]
[Result "1-0"]
[ECO "A34"]
[Opening "English"]
[Variation "symmetrical, three knights system"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5
8. d3 Be7 9. Nd2 O-O 10. Nc4 f6 11. a4 Be6 12. a5 Qd7 13. Re1 Rab8 14. Be3
b5 15. axb6 axb6 16. Na4 b5 17. Ncb6 Rxb6 18. Nxb6 Qd6 19. Qd2 Nb4 20. Rec1
Nba6 21. Qa5 Qd8 22. Na8 Qxa8 23. Bxa8 Rxa8 24. Qb6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.9"]
[White "Hoffman, Ron"]
[Black "Leenhouts, Koen"]
[Result "0-1"]
[ECO "D00"]
[Opening "Queen's pawn, Mason variation, Steinitz counter-gambit"]
[EventDate "2023.08.11"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Qb6 5. Qb3 c4 6. Qc2 e5 7. dxe5 Bf5 8.
Qc1 g5 9. Bg3 Bg7 10. Nf3 h5 11. h4 g4 12. Nd4 Nge7 13. Be2 Bxe5 14. Nxf5
Nxf5 15. Bxe5 Nxe5 16. g3 O-O-O 17. Na3 Rhe8 18. Nc2 Kb8 19. O-O Nf3+ 20.
Bxf3 gxf3 21. Nd4 Nxh4 22. b3 Qg6 23. Qb1 Re4 24. bxc4 Nf5 25. Nxf5 Qxf5
26. Kh2 h4 27. g4 Qe5+ 28. Kh1 Rxg4 29. Rg1 Rg3 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.10"]
[White "Zwirs, Nico"]
[Black "Kindt, Manfred"]
[Result "1-0"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 a6 7. h3 Ba7 8.
Nbd2 h6 9. Nf1 O-O 10. g4 d5 11. Qe2 Be6 12. g5 dxe4 13. dxe4 hxg5 14. Bxg5
Bxb3 15. axb3 Qd6 16. Rg1 Ne7 17. Ng3 Ng6 18. Nh4 Nh7 19. Nhf5 Qe6 20. Nh5
Nxg5 21. Rxg5 Bc5 22. Nhxg7 Qf6 23. Rg3 Rfd8 24. Qc4 Bf8 25. Nh5 Qc6 26.
Qxc6 bxc6 27. Nf6+ Kh8 28. Rg5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.11"]
[White "Pfreundt, Jakob"]
[Black "Boeren, Jurriaan"]
[Result "1-0"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 Be7 6. Bf4 c6 7. Qc2 O-O
8. e3 Re8 9. Bd3 Nbd7 10. h3 a6 11. O-O c5 12. dxc5 Nxc5 13. Rfd1 Nxd3 14.
Qxd3 Be6 15. Be5 b5 16. Rab1 Rc8 17. Bxf6 Bxf6 18. Nxd5 Bxd5 19. Qxd5 Qxd5
20. Rxd5 Rc2 21. Nd4 Bxd4 22. Rxd4 g6 23. a4 bxa4 24. Rxa4 Re6 25. Rf4 Rb6
26. Rd1 Rcxb2 27. Rd7 f6 28. Rc4 Rb8 29. Rcc7 a5 30. Rg7+ Kh8 31. Rxh7+ Kg8
32. Rcg7+ Kf8 33. Ra7 Kg8 34. Rhg7+ Kh8 35. Rxg6 Ra2 36. Rxf6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.12"]
[White "Tibke, Jonas"]
[Black "Maatman, Nick"]
[Result "0-1"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[EventDate "2023.08.11"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Qb3 e6 8.
Bb5 Be7 9. Nc3 Nxc3 10. bxc3 O-O 11. exd6 Qxd6 12. a4 Qc7 13. Ba3 Na5 14.
Qc2 Bxa3 15. Rxa3 Nc4 16. Bxc4 Qxc4 17. Ne5 Qd5 18. O-O b6 19. f4 Ba6 20.
Rfa1 Rac8 21. a5 b5 22. Qb2 Bb7 23. a6 Ba8 24. Rb3 Qe4 25. Nd7 Rfd8 26. Nc5
Qxf4 27. Rxb5 e5 28. Nb7 Qe3+ 29. Qf2 Qxc3 30. Rf1 Rf8 31. dxe5 Qd3 32. Rc5
Rxc5 33. Nxc5 Qd5 34. e6 f6 35. Qc2 Rc8 36. Rd1 Qe5 37. Qc4 h5 38. e7+ Kh7
39. Qd3+ f5 40. Qd8 Qxc5+ 41. Kf1 Bc6 42. Ke2 Qe5+ 43. Kd2 Rb8 44. Rc1 Qf4+
45. Kc2 Qf2+ 46. Kd3 Be4+ 47. Kc4 Qa2+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.13"]
[White "Pham, Khoi"]
[Black "Song, Ethan"]
[Result "1-0"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8.
a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 h6 12. Bxf6 Nxf6 13. a5 Bd5 14. Qd3
c5 15. e4 Bc6 16. Rfd1 Qc7 17. e5 Nd5 18. Qc4 Nxc3 19. Qxc3 Bd5 20. b4 c4
21. Ne1 Qc6 22. Bxd5 Qxd5 23. Nc2 Rac8 24. Ne3 Qf3 25. d5 exd5 26. Rd4 Bg5
27. Nxd5 Qxc3 28. Nxc3 Rfd8 29. Nd5 c3 30. f4 c2 31. Rc1 Rc7 32. Nxc7 Rxd4
33. Rxc2 Bd8 34. b5 Rd1+ 35. Kg2 axb5 36. Nxb5 Bxa5 37. Nd6 Rd2+ 38. Rxd2
Bxd2 39. Nxb7 Kf8 40. Nd6 Bb4 41. Nf5 h5 42. Kf3 g6 43. Nd4 Kg7 44. Ke4 Be1
45. f5 gxf5+ 46. Kxf5 h4 47. g4 h3 48. Ne2 Bf2 49. g5 Be3 50. Kg4 Kf8 51.
Nf4 Bd4 52. Nd3 Be3 53. Ne1 Kg7 54. Nf3 Kg6 55. Nh4+ Kh7 56. g6+ fxg6 57.
Kxh3 Bf4 58. Nf3 Kg7 59. Kg4 Be3 60. Ne1 Kf7 61. Kf3 Bh6 62. Ke4 Bf8 63. h3
Be7 64. Nf3 Bd8 65. Kd5 g5 66. Kd6 Kg6 67. e6 Bf6 68. Ne5+ Kh5 69. Kd7 Kh4
70. Ng4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.14"]
[White "Verhoeven, Robin"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B94"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.Bg5"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qc7
8. Qf3 b5 9. O-O-O Bb7 10. Bd3 Qb6 11. Bxf6 Nxf6 12. Rhe1 g6 13. Qe2 Bh6
14. Qf3 O-O 15. Nde2 b4 16. Nd5 Nxd5 17. exd5 Qc5 18. Qe4 e5 19. Bc4 Rfe8
20. Kb1 Rac8 21. Bb3 exf4 22. Qf3 Re3 23. Qf2 Rce8 24. Ba4 R8e5 25. Qh4 Bg5
26. Qg4 Bc8 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "2.15"]
[White "Grutter, Tim"]
[Black "Verwoert, Jef"]
[Result "1-0"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, Duras variation"]
[EventDate "2023.08.11"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 Nf6 4. d3 d6 5. c4 Be7 6. Nc3 O-O 7. h3 a6 8.
Ba4 Nd4 9. Nxd4 exd4 10. Ne2 c5 11. O-O Ne8 12. Ng3 f5 13. Nxf5 Bxf5 14.
exf5 Rxf5 15. Qg4 Rf7 16. b4 Nf6 17. Qf3 Qc8 18. Rb1 cxb4 19. Bb3 Rf8 20.
Re1 Qd7 21. Bb2 a5 22. a4 bxa3 23. Bxa3 Kh8 24. Bc2 Rab8 25. Rb5 b6 26. Ba4
Qc7 27. Qg3 Rfd8 28. Bb2 Bf8 29. Bxd4 Nd7 30. Re7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.1"]
[White "Van Wely, Loek"]
[Black "Voege, Tobias"]
[Result "0-1"]
[ECO "E12"]
[Opening "Queen's Indian"]
[Variation "Petrosian system"]
[EventDate "2023.08.11"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. a3 Bb7 5. Nc3 Ne4 6. Nxe4 Bxe4 7. Bf4 Be7
8. e3 O-O 9. Bd3 f5 10. Bxe4 fxe4 11. Nd2 d5 12. cxd5 exd5 13. Qb3 Rf7 14.
Rc1 c5 15. dxc5 Na6 16. cxb6 axb6 17. O-O Nc5 18. Qb5 Ra5 19. Qc6 Rf6 20.
Qc7 Qxc7 21. Bxc7 Nd3 22. Rb1 Rc6 23. Bg3 Rc2 24. Nb3 Ra8 25. Nd4 Rxb2 26.
Bc7 Bc5 27. Nb5 Rxf2 28. Rxf2 Bxe3 29. Bg3 Rf8 30. Rf1 Bc5 31. Nc7 Nxf2 32.
Rxf2 Rf7 33. Na6 Bxf2+ 34. Bxf2 Ra7 35. Nb4 Rxa3 36. Bxb6 Rb3 37. Bc5 d4
38. Kf2 Rb2+ 39. Ke1 d3 40. h4 Rxg2 41. Nd5 Rh2 42. Nc3 Rc2 43. Bb4 e3 44.
Nd1 Rh2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.2"]
[White "Syrov, Arkadi"]
[Black "Ter-Sahakyan, Samvel"]
[Result "0-1"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 h5 8.
O-O-O Nf6 9. Nxc6 bxc6 10. Bf4 e5 11. Bg5 d6 12. Be2 Be7 13. Qg3 Rb8 14. f4
a5 15. Rhf1 Be6 16. f5 Bc8 17. Bc4 Rb4 18. b3 a4 19. a3 Rxc4 20. bxc4 Ba6
21. Rfe1 Bxc4 22. Nxa4 O-O 23. Nb2 Ba6 24. Re3 Rb8 25. Qh4 Qa7 26. Rg3 Kf8
27. Bxf6 Bxf6 28. Qxh5 d5 29. exd5 e4 30. Rb3 Rxb3 31. cxb3 Qe3+ 32. Kb1
Qxb3 33. Rd2 Bd3+ 34. Kc1 Bxb2+ 35. Rxb2 Qc3+ 36. Kd1 Qxb2 37. d6 Qc2+ 38.
Ke1 Qc3+ 39. Kd1 Bc2+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.3"]
[White "Dardha, Daniel"]
[Black "Bezemer, Arno"]
[Result "1/2-1/2"]
[ECO "A13"]
[Opening "English opening"]
[Variation "Agincourt variation"]
[EventDate "2023.08.11"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Nbd7 5. Bb2 Bd6 6. Nc3 a6 7. Be2 O-O 8.
O-O Re8 9. Qc2 b6 10. cxd5 exd5 11. Rfe1 Bb7 12. Rad1 c5 13. d4 Qe7 14. Bf1
Rac8 15. dxc5 bxc5 16. Qb1 Ne5 17. Nxe5 Qxe5 18. g3 Qh5 19. Bg2 Rcd8 20. h3
Be5 21. Na4 Bxb2 22. Qxb2 Ne4 23. b4 cxb4 24. Qxb4 Bc8 25. h4 Bg4 26. Rb1
g5 27. Nc3 gxh4 28. Bxe4 dxe4 29. Nxe4 Re6 30. Qc4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.4"]
[White "Elgersma, Onno"]
[Black "Vrolijk, Liam"]
[Result "0-1"]
[ECO "C84"]
[Opening "Ruy Lopez"]
[Variation "closed defence"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8.
a3 Na5 9. Ba2 c5 10. Nc3 Be6 11. Bg5 O-O 12. b4 Nc6 13. Bxf6 Bxf6 14. Nd5
Rc8 15. c3 g6 16. Qd2 a5 17. bxc5 dxc5 18. Rab1 b4 19. Bc4 Bg4 20. Qe3 bxc3
21. Nxc3 Nd4 22. Nxd4 cxd4 23. Qg3 dxc3 24. Qxg4 Bg5 25. Qe2 Bd2 26. Rb5
Qe7 27. Rxa5 Ra8 28. Rb5 Rxa3 29. g3 Raa8 30. h4 Rab8 31. Ra5 Rb2 32. Raa1
Kg7 33. h5 Qg5 34. Rad1 Bf4 35. Qe1 c2 36. Ra1 Bd2 37. f4 Qxh5 38. Qxd2
c1=Q 39. Qxc1 Qh2# 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.5"]
[White "Krasenkow, Michal"]
[Black "Provoost, Simon"]
[Result "1-0"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line, 5...c6"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8.
Qc2 O-O 9. Bd3 Re8 10. Nge2 Nbd7 11. O-O a5 12. f3 b5 13. Rae1 Qb6 14. Kh1
Ba6 15. Bf5 Rad8 16. e4 dxe4 17. fxe4 b4 18. Na4 Qb5 19. e5 Nd5 20. Bxe7
Rxe7 21. Rf3 N5b6 22. Nxb6 Qxb6 23. Bd3 Nf8 24. Bxa6 Qxa6 25. Ng3 Red7 26.
Nf5 Ne6 27. Rg3 Nxd4 28. Nxh6+ Kh8 29. Qf2 f5 30. exf6 gxh6 31. f7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.6"]
[White "Labruyere, Roger"]
[Black "Schoppen, Casper"]
[Result "0-1"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "exchange variation"]
[EventDate "2023.08.11"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. h3 Bh5 8.
O-O e6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Nbd2 O-O 12. Re1 Nd7 13. Nf1 Rfe8 14.
Ng3 Bxf3 15. Qxf3 g6 16. Rad1 a6 17. Bc2 b5 18. h4 Qe7 19. h5 Qh4 20. Ne2
Rac8 21. Nf4 Qg5 22. Nh3 Qxh5 23. Qxh5 gxh5 24. Re3 Nf8 25. Nf4 h4 26. Nh5
Re7 27. Rde1 Rec7 28. Rh3 Nxd4 29. Bd3 Nc6 30. Rxh4 Ng6 31. Rh3 d4 32. f4
dxc3 33. bxc3 Nce7 34. g4 Nd5 35. Rf3 Rxc3 36. f5 Rc1 37. fxg6 Rxe1+ 38.
Kf2 hxg6 39. Kxe1 gxh5 40. gxh5 Rc1+ 41. Kd2 Rh1 42. Rg3+ Kf8 43. Be2 Rh2
44. Ke1 Nf4 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.7"]
[White "Ghazarian, Kirk"]
[Black "Honkoop, Gilian"]
[Result "1-0"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5
8. Bxb4 Nxb4 9. O-O Rb8 10. Nc3 a6 11. Ne5 O-O 12. Bxc6 Nxc6 13. Nxc6 bxc6
14. Qxc4 Rxb2 15. Rab1 Rb6 16. a4 Qd6 17. Qc5 Qxc5 18. dxc5 Rxb1 19. Rxb1
a5 20. f4 f6 21. Kf2 Kf7 22. Rb8 Ba6 23. Rxf8+ Kxf8 24. Ne4 Bc4 25. Nd2 Ba2
26. Ke3 Ke7 27. Kd4 Kf7 28. e3 Ke7 29. e4 Kf7 30. Kc3 e5 31. Kb2 Be6 32. f5
Bc8 33. Nb3 Ba6 34. Kc3 Be2 35. Nxa5 Bf3 36. Nc4 Bxe4 37. g4 Ke7 38. a5 Kd7
39. a6 Kc8 40. a7 Kb7 41. Nd6+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.8"]
[White "Duijker, Rick"]
[Black "Ikonnikov, Vyacheslav"]
[Result "0-1"]
[ECO "A21"]
[Opening "English opening"]
[EventDate "2023.08.11"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 h5 7. h3 Bd7 8. d4
Qc8 9. Nd5 Nf6 10. Nxf6+ Bxf6 11. d5 Ne7 12. Nc3 Bg7 13. e4 O-O 14. Be3 f5
15. Qd2 Rf7 16. c5 Qf8 17. cxd6 cxd6 18. h4 b5 19. Bh3 b4 20. Ne2 a5 21.
Rc1 Bb5 22. Bg5 Kh7 23. Rc7 fxe4 24. O-O Nf5 25. Rfc1 Bd3 26. g4 hxg4 27.
Bxg4 Rxc7 28. Rxc7 Rc8 29. Rc6 Rxc6 30. dxc6 Qc8 31. Ng3 Qxc6 32. Nxf5 gxf5
33. Bxf5+ Kg8 34. h5 Qe8 35. h6 Qf7 36. Bg4 Bf8 37. Qe3 Qg6 38. Kh2 Bxh6
39. Bxh6 Qxg4 40. Qg5+ Qxg5 41. Bxg5 Kf7 42. Bd2 Ke6 43. a3 bxa3 44. bxa3
a4 45. Kg3 Be2 46. Kh4 Kf5 47. Kg3 d5 48. Ba5 d4 49. Bb4 Bf3 50. Kh4 d3 51.
Ba5 Bh1 52. Bd2 Ke6 53. Kg5 Kd5 54. Kf6 Kc4 55. Kxe5 Kb3 56. Kd4 Kxa3 57.
Kc3 Ka2 58. Bc1 a3 59. Kb4 Kb1 60. Bxa3 d2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.9"]
[White "Leenhouts, Koen"]
[Black "Boelhouwer, Collin"]
[Result "1-0"]
[ECO "E49"]
[Opening "Nimzo-Indian"]
[Variation "4.e3, Botvinnik system"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4
8. Bxc4 c5 9. Bd3 Nc6 10. Nf3 cxd4 11. cxd4 b6 12. Bb2 Bb7 13. e4 Na5 14.
Qe2 h6 15. O-O Rc8 16. Rad1 Qe7 17. Rfe1 Rfd8 18. d5 exd5 19. Bxf6 Qxf6 20.
e5 Qe7 21. Nd4 Kh8 22. Nf5 Qf8 23. Qg4 Rc6 24. Nd6 Bc8 25. Bf5 Bxf5 26.
Qxf5 Rc7 27. Rxd5 Nc6 28. Rc1 Rdd7 29. Rdd1 Nd8 30. Rxc7 Rxc7 31. Nb5 Re7
32. Qc8 Ne6 33. Qxf8+ Nxf8 34. f4 g5 35. Rd8 Kg8 36. g3 gxf4 37. gxf4 a6
38. Nd6 Rd7 39. Rc8 Kg7 40. f5 h5 41. f6+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.10"]
[White "Lommers, Frank"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, 3...Bd7"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 e5 5. Bxd7+ Qxd7 6. d3 Nc6 7. Nc3 g6
8. Nd5 Bg7 9. h4 h6 10. Bd2 Nge7 11. h5 g5 12. g4 Nxd5 13. cxd5 Nd4 14. Nh2
Qb5 15. Bc3 c4 16. Nf1 cxd3 17. Bxd4 exd4 18. Ng3 d2+ 19. Qxd2 O-O 20. Nf5
Rfe8 21. f3 Qxd5 22. O-O Qe5 23. Rac1 d5 24. Rfe1 dxe4 25. Rxe4 Qf6 26. Qd3
Rxe4 27. Qxe4 Rd8 28. Rd1 Qe6 29. Qxb7 Qe2 30. Rf1 d3 31. Qe4 Bd4+ 32. Nxd4
Qxe4 33. fxe4 Rxd4 34. Rd1 Rxe4 35. Rxd3 Rxg4+ 36. Kf1 Rc4 37. Rb3 Kg7 38.
Rb7 Ra4 39. a3 Kf6 40. Kf2 Ra6 41. Kf3 Ke6 42. Ke3 f5 43. Rc7 Kd5 44. Rd7+
Kc4 45. Rc7+ Kb3 46. Rb7+ Kc2 47. Kf3 f4 48. Kg4 Kd3 49. Kf3 Kd4 50. Rd7+
Ke5 51. Re7+ Kf5 52. Rf7+ Rf6 53. Rxa7 g4+ 54. Kf2 Kg5 55. Ra5+ Kh4 56. Rc5
f3 57. Rc4 Kh3 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.11"]
[White "Van Baar, Esper"]
[Black "Pfreundt, Jakob"]
[Result "0-1"]
[ECO "B10"]
[Opening "Caro-Kann"]
[Variation "two knights variation"]
[EventDate "2023.08.11"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 7. Qf4
Qf5 8. d3 Qxf4 9. Bxf4 f6 10. d4 g5 11. Be3 Bf5 12. O-O-O e6 13. h4 g4 14.
Ng1 h5 15. Ne2 Nd7 16. Ng3 Bg6 17. Bc4 Kf7 18. Bb3 a5 19. a4 Bd6 20. Ne2
Rhe8 21. Bf4 Bf8 22. f3 gxf3 23. gxf3 Nb6 24. c4 e5 25. dxe5 Bc5 26. Ng3
Rxe5 27. Rhe1 Rxe1 28. Rxe1 Rd8 29. Rd1 Rxd1+ 30. Kxd1 Nd7 31. Bc2 Ne5 32.
Bxe5 fxe5 33. Be4 Bd4 34. b3 Bf2 35. Nf5 Ke6 36. Ke2 Bxf5 37. Kxf2 Bxe4 38.
fxe4 Kd6 39. Ke3 Kc5 40. Kd3 Kb4 41. Kc2 Ka3 42. Kc3 c5 43. Kc2 Ka2 44. Kc3
Kb1 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.12"]
[White "Maatman, Nick"]
[Black "Sparenberg, Erik"]
[Result "1-0"]
[ECO "A15"]
[Opening "English opening"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 c6 3. e3 d5 4. b3 e6 5. Bb2 Be7 6. Nc3 O-O 7. d4 a6 8. Bd3
b5 9. c5 a5 10. a3 Nbd7 11. h3 Re8 12. b4 Qc7 13. Ne2 Ne4 14. Qc2 axb4 15.
axb4 Rxa1+ 16. Bxa1 f5 17. Ne5 Bf6 18. f4 Bh4+ 19. Kf1 Ndf6 20. Bc3 Bd7 21.
g4 Ra8 22. Kg2 Nf2 23. Ra1 Rxa1 24. Bxa1 Nxd3 25. Qxd3 Ne4 26. Qa3 Be8 27.
Qa8 Bd8 28. Bc3 Kf8 29. Be1 Bf6 30. Nf3 Qd8 31. Qb7 Qd7 32. Qa6 Qd8 33. Nc1
g6 34. Nd3 Qc7 35. Bh4 Bxh4 36. Nxh4 Nf6 37. Ne5 Ng8 38. Nhf3 Ke7 39. Qa8
Nf6 40. Ng5 h6 41. Ngf3 Nh7 42. g5 hxg5 43. fxg5 Nf8 44. Nh4 Nh7 45. Nhxg6+
Bxg6 46. Nxg6+ Kf7 47. Ne5+ Kg7 48. h4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.13"]
[White "Gijsen, William"]
[Black "Pham, Khoi"]
[Result "1-0"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed, 2...Nc6"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 5. O-O a6 6. Bd3 Nc6 7. Re1 g5 8.
h3 h5 9. Nh2 Bd6 10. b3 g4 11. Bb2 Be5 12. Na4 b5 13. Bxe5 Nxe5 14. Nb2 Bb7
15. Bf1 gxh3 16. d4 hxg2 17. Bxg2 cxd4 18. Qxd4 Qf6 19. Rad1 Rd8 20. c4 h4
21. f4 Nc6 22. Qd2 Qg7 23. Kh1 Nf6 24. Bf3 Nh5 25. Bxh5 Rxh5 26. Rg1 Qh7
27. Ng4 Qxe4+ 28. Kh2 Qf5 29. Nf6+ Ke7 30. Nxh5 Qxh5 31. Qd6+ Kf6 32. Rd5
Qe2+ 33. Rg2 Qe4 34. Nd3 h3 35. Rf2 Ne7 36. Nc5 Qe3 37. Qe5+ Qxe5 38. fxe5+
1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.14"]
[White "Van Delft, Merijn"]
[Black "Hekhuis, Jeroen"]
[Result "1-0"]
[ECO "B76"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, Rauser variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8.
Qd2 Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Nxc3 13. Qxc3 Bh6+
14. Be3 Bxe3+ 15. Qxe3 Qb6 16. Re1 Be6 17. h4 Rab8 18. b3 Rfd8 19. h5 Qd4
20. Qxd4 Rxd4 21. h6 Kf8 22. Re5 Rbd8 23. Bd3 R8d5 24. Rxe6 fxe6 25. Bxg6
Kg8 26. Be4 Rg5 27. Rh4 c5 28. c3 Rd6 29. g4 c4 30. b4 Kh8 31. a4 Rg8 32.
Rh2 Rgd8 33. Kb2 a5 34. bxa5 Rb8+ 35. Ka2 Rb3 36. Rb2 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.06"]
[Round "3.15"]
[White "Wagenvoorde, Guido"]
[Black "Grutter, Tim"]
[Result "1-0"]
[ECO "E75"]
[Opening "King's Indian"]
[Variation "Averbakh, main line"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 8. Qc1
b5 9. cxb5 exd5 10. exd5 Qa5 11. Bd2 Bb7 12. Nh3 Qc7 13. Nf4 Nbd7 14. O-O
Nb6 15. Rd1 Rfe8 16. Be3 Re5 17. Nd3 Re7 18. Nf4 Rae8 19. Rb1 Qd7 20. h3
Re5 21. Bf1 Nfxd5 22. Ncxd5 Nxd5 23. Nxd5 Rxd5 24. b4 Bd4 25. Bxd4 cxd4 26.
Qa3 Ba8 27. Rbc1 Qb7 28. Rc6 Rg5 29. Rxd4 Re1 30. Qd3 Rxb5 31. Rdxd6 Qxc6
32. Rxc6 Bxc6 33. Qd8+ Kg7 34. Qd4+ Kg8 35. Qc3 Rb1 36. Qxc6 R5xb4 37. Qa6
Rb7 38. Kh2 Rc7 39. Bd3 Rbc1 40. Be4 R1c4 41. Bf3 Kg7 42. Kg3 h6 43. a4 Rd4
44. a5 Rdc4 45. Qd6 R4c5 46. a6 Rg5+ 47. Kh2 Rgc5 48. Bb7 g5 49. Qd8 f5 50.
Qb8 h5 51. Qxa7 g4 52. Qb6 f4 53. a7 h4 54. hxg4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.1"]
[White "Ter-Sahakyan, Samvel"]
[Black "Maatman, Nick"]
[Result "1/2-1/2"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d5 7. Nbd2 dxe4
8. dxe4 a5 9. Qc2 Qe7 10. a4 Nb8 11. h3 Rd8 12. Re1 Ne8 13. Bf1 Nd6 14. Nb3
Bb6 15. c4 c5 16. Be3 Ne8 17. Nc1 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.2"]
[White "Vrolijk, Liam"]
[Black "Van Delft, Merijn"]
[Result "1-0"]
[ECO "B94"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.Bg5"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. a3 h6 8.
Bxf6 Nxf6 9. Bc4 g6 10. Qd3 Bg7 11. O-O-O O-O 12. Ba2 e6 13. f4 d5 14. e5
Nd7 15. h4 b5 16. Nxd5 exd5 17. Nc6 Qe8 18. Qxd5 Nb6 19. Qc5 Na4 20. Ne7+
Kh7 21. Qc7 Bg4 22. Rd6 Qb8 23. Qc6 Qa7 24. h5 Qe3+ 25. Kb1 g5 26. Bxf7
Rxf7 27. Rxh6+ Bxh6 28. Qg6+ Kh8 29. Qxh6+ Rh7 30. Qf6+ Rg7 31. h6 Qxf4 32.
hxg7# 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.3"]
[White "Pfreundt, Jakob"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical (two knights) system"]
[EventDate "2023.08.11"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6
8. Qd1 O-O 9. Be2 e5 10. dxe5 dxe5 11. O-O Nd4 12. Bd3 Qd6 13. Ne2 Rad8 14.
Nxd4 exd4 15. Bg5 Qc5 16. f4 Rde8 17. Bxf6 Bxf6 18. Qf3 c6 19. a4 Bd8 20.
g3 b5 21. Kg2 a5 22. Rfe1 Re7 23. h4 f6 24. Re2 Bc7 25. b3 g5 26. Qh5 Rg7
27. Rf1 Qd6 28. e5 fxe5 29. fxe5 Qe7 30. Rxf8+ Kxf8 31. hxg5 Rxg5 32. Qh6+
Rg7 33. Qxc6 Rf7 34. axb5 Qg5 35. Qa8+ Kg7 36. Qe4 h6 37. Qxd4 Re7 38. e6+
Kg8 39. Qh4 Qd5+ 40. Qe4 Qg5 41. Qg6+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.4"]
[White "Schoppen, Casper"]
[Black "Rijnaarts, Sjef"]
[Result "1-0"]
[ECO "B91"]
[Opening "Sicilian"]
[Variation "Najdorf, Zagreb (fianchetto) variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Bg4 8.
Be2 Bh3 9. g4 d5 10. exd5 Bb4 11. Rg1 h5 12. gxh5 Nxd5 13. Bg4 Nxc3 14.
Qxd8+ Kxd8 15. Bxh3 Nxa2+ 16. Bd2 Bxd2+ 17. Kxd2 Rxh5 18. Bg4 Rxh2 19. Rxa2
Rxf2+ 20. Be2 g6 21. Rh1 Kc7 22. Rh8 a5 23. Nc5 Ra7 24. Ke3 Rf4 25. Nd3 Rf5
26. Bg4 Rg5 27. Rc8+ Kd6 28. Nf2 f5 29. Rxb8 Kc7 30. Rg8 fxg4 31. Ne4 Rf5
32. Rg7+ Kb8 33. Rxg6 Rf3+ 34. Ke2 Rf4 35. Nf2 Ra6 36. Rxg4 Rxg4 37. Nxg4
1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.5"]
[White "De Boer, Eelke"]
[Black "Ghazarian, Kirk"]
[Result "1/2-1/2"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nbd7 6. O-O c6 7. Nfd2 Nb6
8. e3 Qc7 9. Qe2 e5 10. Nxc4 Nxc4 11. Qxc4 Be6 12. Qa4 exd4 13. exd4 Be7
14. Nc3 O-O 15. Bf4 Qb6 16. Rad1 Qxb2 17. d5 Qxc3 18. dxe6 fxe6 19. Rb1 Nd5
20. Rxb7 Bc5 21. Bxd5 exd5 22. Rc1 Qd4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.6"]
[White "Ikonnikov, Vyacheslav"]
[Black "Gijsen, William"]
[Result "1/2-1/2"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 d5 2. Nf3 e6 3. c4 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e3 Nbd7
8. Bd3 h6 9. Bh4 g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Qc2 g4 13. Bxf6 Qxf6 14.
Nd2 Bg7 15. Na4 Rc8 16. Nb3 Bf8 17. O-O Bd6 18. Nac5 Nxc5 19. Nxc5 Bxc5 20.
dxc5 c6 21. f4 gxf3 22. Rxf3 Qe5 23. Raf1 Rg8 24. Bf5 Bxf5 25. Qxf5 Qxf5
26. Rxf5 Rc7 27. Rf6 Re7 28. R1f3 Rg6 29. Kf2 Rxf6 30. Rxf6 Re6 31. Rf5 Re4
32. b3 Kf8 33. Kf3 Rb4 34. Rf4 Rb5 35. b4 a5 36. a3 axb4 37. axb4 b6 38.
cxb6 Rxb6 39. Kg4 Rb5 40. Rd4 c5 41. bxc5 Rxc5 42. h3 Rb5 43. Kf5 Ke7 44.
Ke5 Rb3 45. Kf4 Ke6 46. Ra4 Rb6 47. g4 Rc6 48. Ra8 Rc4+ 49. Kf3 Rc3 50. Ra4
Ke5 51. Rf4 Ke6 52. h4 Rc1 53. Ra4 Ke5 54. Ra8 Rh1 55. Re8+ Kf6 56. Kg3 Re1
57. Kf2 Rh1 58. Kg3 Re1 59. Kf2 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.7"]
[White "Voege, Tobias"]
[Black "Leenhouts, Koen"]
[Result "1/2-1/2"]
[ECO "D00"]
[Opening "Queen's pawn"]
[Variation "Chigorin variation"]
[EventDate "2023.08.11"]

1. d4 d5 2. Nc3 c5 3. Bf4 Nf6 4. e3 a6 5. Nf3 cxd4 6. exd4 Bg4 7. Be2 Bxf3
8. Bxf3 e6 9. O-O Bd6 10. Ne2 Nc6 11. c4 O-O 12. Rc1 Re8 13. Bxd6 Qxd6 14.
c5 Qc7 15. g3 Rad8 16. Bg2 e5 17. dxe5 Qxe5 18. Rc2 h5 19. Nf4 h4 20. Re2
Qf5 21. Nxd5 Nxd5 22. Rxe8+ Rxe8 23. Qxd5 Re5 24. Qf3 Qe6 25. gxh4 Rxc5 26.
a3 Qe5 27. Qe3 Rc2 28. Qxe5 Nxe5 29. Re1 f6 30. b3 b5 31. b4 Rc3 32. Ra1
Nc4 33. a4 bxa4 34. Bd5+ Kf8 35. Bxc4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.8"]
[White "Zwirs, Nico"]
[Black "Wagenvoorde, Guido"]
[Result "1/2-1/2"]
[ECO "B44"]
[Opening "Sicilian defence"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. a3 Qc7 6. Be3 a6 7. c4 Nf6 8.
Nc3 Be7 9. Be2 O-O 10. O-O d6 11. Rc1 Ne5 12. f4 Ng6 13. b4 Re8 14. Nb3 b6
15. Bd3 Bb7 16. h3 Bf8 17. Qd2 Nd7 18. Qf2 Rab8 19. Rfe1 Ba8 20. Nd2 Qd8
21. Bf1 Be7 22. g3 Bf6 23. Qe2 Rc8 24. Bf2 Qc7 25. Qd3 h5 26. h4 Ne7 27.
Red1 Red8 28. Qe3 g6 29. Rc2 d5 30. e5 d4 31. Qxd4 Nxe5 32. Qxb6 Rxd2 33.
fxe5 Qxb6 34. Bxb6 Rxc2 35. exf6 Nf5 36. Rd3 Kh7 37. Bc5 g5 38. hxg5 Kg6
39. Ne2 Kxg5 40. Nd4 Nxd4 41. Rxd4 Rc3 42. Bd6 Kxf6 43. Rf4+ Kg6 44. Be5
Rxg3+ 45. Kf2 Rg5 46. Rf6+ Kh7 47. Bf4 Rf5 48. Rxf5 exf5 49. c5 Bb7 50. Bd6
Kg6 51. a4 Ra8 52. b5 axb5 53. axb5 Ra2+ 54. Ke3 Be4 55. c6 Rc2 56. c7 Bb7
57. Bd3 Rc1 58. Kf4 Bc8 59. b6 Kf6 60. Ba3 Rc6 61. Bb2+ Ke7 62. Ba3+ Kf6
63. Bb2+ Ke7 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.9"]
[White "Verduyn, Frederic"]
[Black "Dardha, Daniel"]
[Result "0-1"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Bf4 b6 3. Nc3 Bb7 4. f3 d5 5. e4 e6 6. Nb5 Na6 7. e5 Nd7 8. c3
c6 9. Na3 f6 10. exf6 Qxf6 11. Qd2 Bxa3 12. bxa3 O-O 13. Bg5 Qf7 14. Nh3 e5
15. O-O-O Nc7 16. Bd3 Rfe8 17. Qc2 h6 18. Bg6 Qf8 19. Bxe8 Rxe8 20. Bd2
Qxa3+ 21. Kb1 Qf8 22. Rhe1 Bc8 23. Ka1 Qf7 24. Nf2 Nb5 25. Bc1 Nd6 26. Ng4
Nc4 27. Ne3 b5 28. Nxc4 bxc4 29. f4 exd4 30. Rxe8+ Qxe8 31. cxd4 Nf6 32. f5
Qh5 33. Rf1 Ne4 34. f6 Nxf6 35. Qf2 Kh7 36. Qc2+ Ne4 37. h3 Qh4 38. Bf4 Qf6
39. Qd1 Qe7 40. Be5 c3 41. Qc2 Bd7 42. Rf4 Be8 43. Rxe4 dxe4 44. Qxc3 Qg5
45. g3 Bf7 46. Bf4 Qd5 47. Qd2 Qc4 48. h4 Bd5 49. Be3 Qf1+ 50. Kb2 Kg6 51.
g4 Qf3 52. g5 h5 53. Qf2 Kf5 54. Qxf3+ exf3 55. Bf2 Bxa2 56. d5 Bxd5 57.
Bxa7 Kg4 58. Bf2 Kh3 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.10"]
[White "Bezemer, Arno"]
[Black "De Jong, Migchiel"]
[Result "1/2-1/2"]
[ECO "B41"]
[Opening "Sicilian"]
[Variation "Kan, Maroczy bind (Reti variation)"]
[EventDate "2023.08.11"]

1. d4 e6 2. Nf3 c5 3. e4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 O-O 8.
e5 Ne8 9. Bf4 d6 10. Nc2 Bxc3+ 11. Qxc3 dxe5 12. Bxe5 Nc6 13. Bg3 e5 14.
Be2 Qe7 15. O-O Nd6 16. Bf3 Nf5 17. Bxc6 Nxg3 18. Qxg3 bxc6 19. Rfe1
1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.11"]
[White "Rodriguez Fontecha, Marcos"]
[Black "Tiggelman, Rene"]
[Result "1-0"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. dxc5 Nc6 5. c4 dxc4 6. Qxd8+ Nxd8 7. Na3
Be6 8. Bg2 Bd5 9. O-O e6 10. Be3 Ng4 11. Bd4 Nc6 12. Bc3 Bxc5 13. Bxg7 Rg8
14. Bc3 a6 15. h3 Nxf2 16. Rxf2 Rxg3 17. Kf1 O-O-O 18. Nc2 Rdg8 19. e3 Be4
20. Nfe1 Bd3+ 21. Nxd3 cxd3 22. Nd4 Rxe3 23. Rc1 Reg3 24. b4 Bxd4 25. Bxd4
f5 26. Be5 Rxg2 27. Rxg2 Rxg2 28. Kxg2 d2 29. Rd1 Nxe5 30. Rxd2 Nc4 31. Rd4
b5 32. Rh4 Kd7 33. Rxh7+ Kc6 34. h4 Kd5 35. Kf3 Ke5 36. Rf7 Nd2+ 37. Ke2
Ne4 38. Ke3 Nf6 39. Kf3 Ne4 40. Rf8 Nf6 41. Ra8 Nd5 42. Rxa6 Nxb4 43. Ra5
Kf6 44. Rxb5 Nxa2 45. Rb3 e5 46. Ke3 f4+ 47. Ke4 Nc1 48. Rb6+ Kg7 49. Re6
Ne2 50. Rxe5 Kg6 51. Kf3 Ng3 52. Kg4 Kh6 53. Re6+ Kh7 54. Kxf4 Nh5+ 55. Kg5
Ng7 56. Re7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.12"]
[White "Hu, Yu A."]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 d6 7. Bg2 Bd7 8.
O-O Nf6 9. Re1 Be7 10. Nce2 Rc8 11. Nxc6 Bxc6 12. Nd4 Bd7 13. e5 dxe5 14.
Rxe5 Bc6 15. c3 Bxg2 16. Kxg2 O-O 17. Qf3 Nd5 18. Bd2 Bf6 19. Re4 Nb6 20.
Rd1 Nc4 21. Bc1 Qa5 22. Ree1 b5 23. a3 Qc7 24. h4 Rfd8 25. h5 h6 26. Nc2
Bg5 27. Bxg5 hxg5 28. h6 Rxd1 29. Rxd1 Nxb2 30. h7+ Kh8 31. Rd4 Nc4 32. Nb4
a5 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.13"]
[White "Eidelman, Gabriel"]
[Black "Goudriaan, Rafael"]
[Result "1/2-1/2"]
[ECO "E04"]
[Opening "Catalan"]
[Variation "open, 5.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. Qa4 Bd7 8.
Qxc4 b5 9. Qc3 Nd5 10. Qd2 Qb6 11. Nc3 Nf6 12. a4 b4 13. Nb5 Na5 14. dxc5
Bxc5 15. Qf4 O-O 16. Ne5 Rad8 17. Nd3 Nb3 18. Nxc5 Nxa1 19. Nxd7 Rxd7 20.
Be3 Qd8 21. Rxa1 Rd1+ 22. Rxd1 Qxd1+ 23. Bf1 Nd5 24. Qd4 Qxa4 25. Nd6 Nxe3
26. fxe3 Rd8 27. e4 f6 28. e5 fxe5 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.14"]
[White "Oostvogels, Niek"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "B40"]
[Opening "Sicilian defence"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 e6 3. d3 a6 4. g3 b5 5. Bg2 Bb7 6. O-O Be7 7. Nbd2 d6 8. c3
Nf6 9. Qe2 Nbd7 10. Rd1 Qc7 11. Nf1 O-O 12. Bf4 Rfd8 13. Ne3 Ne5 14. Nc2
Ng6 15. Bg5 h6 16. Be3 Rac8 17. Rac1 Bc6 18. Nd2 Qb7 19. f3 e5 20. d4 cxd4
21. cxd4 d5 22. dxe5 Nxe5 23. exd5 Bxd5 24. Ne1 Nc4 25. Nxc4 Bxc4 26. Rxd8+
Rxd8 27. Qc2 Nd5 28. Bd2 Qa7+ 29. Kh1 Ne3 30. Bxe3 Qxe3 31. Rd1 Rxd1 32.
Qxd1 Bxa2 33. Nc2 Qf2 34. Qc1 Bc5 35. f4 Bb3 36. Be4 Bxc2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.07"]
[Round "4.15"]
[White "Van der Hagen, Loek"]
[Black "Van der Werf, Joel"]
[Result "1/2-1/2"]
[ECO "B33"]
[Opening "Sicilian"]
[Variation "Pelikan (Lasker/Sveshnikov) variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5
8. exd5 Nb8 9. c4 Be7 10. c5 O-O 11. Bd3 Na6 12. cxd6 Bxd6 13. O-O Nb4 14.
Bb1 Qd7 15. Nxd6 Qxd6 16. Qh5 f5 17. Rd1 Nxd5 18. a4 Be6 19. Ra3 Qc6 20.
Rh3 Nf6 21. Qe2 Rad8 22. Re1 e4 23. Bg5 Qxa4 24. Ra3 Qc6 25. Rc1 Qd7 26.
Rxa7 h6 27. Bf4 Nd5 28. Be5 Ra8 29. Rxa8 Rxa8 30. h3 Bf7 31. Qd2 Qa4 32.
Kh2 Qb4 33. Qc2 Qe7 34. Bd4 Qd6+ 35. g3 Nb4 36. Qc3 Nd5 37. Qc2 Nb4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.1"]
[White "Schoppen, Casper"]
[Black "Vrolijk, Liam"]
[Result "1/2-1/2"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "open Berlin defence, l'Hermet variation"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4
Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13.
Qe4+ Qe6 14. Qd4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.2"]
[White "Dardha, Daniel"]
[Black "Pfreundt, Jakob"]
[Result "1-0"]
[ECO "B40"]
[Opening "Sicilian"]
[Variation "Anderssen variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5
8. Ne4 Bb7 9. c4 Nb4 10. c5 Qb8 11. f4 Ba6 12. a3 Bxf1 13. Rxf1 Nd5 14. Rf3
Qb5 15. Qd4 f5 16. Nd6+ Bxd6 17. exd6 O-O 18. Bd2 Rf6 19. Kf2 Rg6 20. a4
Qb8 21. Raa3 Qd8 22. Kg1 Nf6 23. b4 a6 24. Be1 Nd5 25. h3 Rb8 26. Rab3 Qf6
27. Qe5 h6 28. Rb1 Kh7 29. Kh2 Qd8 30. Qe2 Ra8 31. Bf2 Nf6 32. Bd4 Ne4 33.
Rbb3 Qh4 34. g3 Qd8 35. Rfe3 Nf6 36. Qf3 Rb8 37. Re2 Qe8 38. Be5 h5 39. Qd3
Ra8 40. Rg2 Rh6 41. Qf3 Ng4+ 42. Kg1 Nxe5 43. fxe5 g5 44. h4 Qd8 45. hxg5
Qxg5 46. Qf4 Rg6 47. b5 axb5 48. axb5 cxb5 49. Qxg5 Rxg5 50. Rxb5 Ra1+ 51.
Kh2 Rc1 52. Rb7 Rg7 53. Rc7 Rc3 54. Rd2 Kh6 55. c6 Rcxg3 56. cxd7 R3g4 57.
d8=Q 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.3"]
[White "Grochal, Joey"]
[Black "Ter-Sahakyan, Samvel"]
[Result "0-1"]
[ECO "E11"]
[Opening "Bogo-Indian defence"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d5 6. Qc2 O-O 7. Bg2 Be7 8.
O-O c6 9. Rd1 Nbd7 10. Bg5 h6 11. Bxf6 Bxf6 12. Nbd2 a4 13. e4 Qa5 14. Rab1
Rd8 15. Nf1 dxc4 16. Qxc4 e5 17. dxe5 Nxe5 18. Rxd8+ Qxd8 19. Nxe5 Bxe5 20.
b3 axb3 21. Qxb3 Be6 22. Qd1 Qxd1 23. Rxd1 c5 24. Rb1 Rxa2 25. Rxb7 Bd4 26.
Ne3 Ra1+ 27. Nf1 c4 28. e5 c3 29. Be4 g6 30. Rc7 Bh3 31. Bd3 Ra2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.4"]
[White "Ghazarian, Kirk"]
[Black "Rodriguez Fontecha, Marcos"]
[Result "1/2-1/2"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O a6 8. a4
a5 9. cxd5 cxd5 10. b3 Nc6 11. Ba3 Bf5 12. Rc1 Rc8 13. Bd3 Re8 14. Bxf5
gxf5 15. Qd3 Ne4 16. Nb5 Qd7 17. Rc2 Kh8 18. Rfc1 f6 19. Qe2 Bh6 20. Ne1 f4
21. Qh5 fxe3 22. f3 Bg5 23. fxe4 dxe4 24. Qe2 Qd5 25. Rc5 Qg8 26. R1c4 Rcd8
27. Bc1 e5 28. d5 Nb4 29. Bxe3 b6 30. Bxg5 Qxg5 31. Rc7 Nxd5 32. Ra7 f5 33.
Qf2 Nf4 34. Rc3 Rd3 35. Rxd3 exd3 36. Kf1 Rd8 37. Nf3 Qf6 38. Nd2 Nd5 39.
Nc7 Rc8 40. Ra8 Rxa8 41. Nxa8 e4 42. Nc4 Qa1+ 43. Qe1 Qd4 44. Qh4 Qa1+ 45.
Qe1 Qd4 46. Qh4 Qa1+ 47. Qe1 Qd4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.5"]
[White "Wagenvoorde, Guido"]
[Black "Ikonnikov, Vyacheslav"]
[Result "0-1"]
[ECO "E95"]
[Opening "King's Indian"]
[Variation "orthodox, 7...Nbd7, 8.Re1"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nbd7 6. Nf3 e5 7. O-O O-O 8.
Re1 Re8 9. Bf1 c6 10. h3 exd4 11. Nxd4 Nc5 12. Qc2 a5 13. Nf3 Nfxe4 14.
Nxe4 Rxe4 15. Rxe4 Bf5 16. Nd2 Nxe4 17. Nxe4 d5 18. cxd5 cxd5 19. Bf4 Bxe4
20. Qb3 a4 21. Qg3 a3 22. Be5 axb2 23. Bxg7 Kxg7 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.6"]
[White "Leenhouts, Koen"]
[Black "De Boer, Eelke"]
[Result "1-0"]
[ECO "D31"]
[Opening "QGD"]
[Variation "Charousek (Petrosian) variation"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Nge2 Nd7
8. Ng3 Be6 9. Nh5 Bf8 10. Bg3 Ngf6 11. Bd3 Nxh5 12. Qxh5 Nf6 13. Qe2 Bd6
14. Be5 Bxe5 15. dxe5 Ng4 16. f4 f5 17. O-O-O Qb6 18. Rhe1 O-O-O 19. Na4
Qb4 20. Qc2 Nf2 21. Nc5 Nxd1 22. Rxd1 Bf7 23. Bxf5+ Kb8 24. a3 Qa5 25. e6
Bg6 26. Nd7+ Rxd7 27. exd7 Bxf5 28. Qxf5 Qc7 29. Qf7 Rd8 30. Qxg7 Rxd7 31.
Qf6 a5 32. g4 Re7 33. Rd3 Re4 34. Qf8+ Ka7 35. Qc5+ b6 36. Qf8 Qd7 37. h3
c5 38. Qf5 Qxf5 39. gxf5 d4 40. exd4 cxd4 41. Rf3 Kb7 42. Kd2 Kc6 43. Kd3
Kd5 44. f6 Re6 45. Rg3 Rxf6 46. Rg5+ Kc6 47. Ke4 d3 48. Rg2 Rh6 49. Kxd3
Rxh3+ 50. Ke4 Kd6 51. Kf5 Ke7 52. Rg7+ Kf8 53. Rb7 Rb3 54. Kf6 Ke8 55. Re7+
Kd8 56. Re2 h5 57. Kg5 Rf3 58. Rh2 Ke7 59. Rxh5 Rf2 60. Rh7+ Kf8 61. b4
axb4 62. axb4 Rb2 63. Kf6 Kg8 64. Rg7+ Kh8 65. Rg4 Rd2 66. f5 b5 67. Kf7
Rd7+ 68. Ke6 Rd1 69. f6 Kh7 70. Rg5 Kh6 71. Rxb5 Kg6 72. f7 Re1+ 73. Re5
Rf1 74. b5 Rf6+ 75. Kd7 Kxf7 76. Kc7 Rf1 77. b6 Kf6 78. Rc5 Ke6 79. b7 Rf7+
80. Kb6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.7"]
[White "Gijsen, William"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "C29"]
[Opening "Vienna gambit"]
[Variation "Bardeleben variation"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d3 Nxc3 7. bxc3 d4
8. Qg3 Nc6 9. Be2 Be6 10. c4 Qd7 11. Bf3 Nb4 12. Bd1 O-O-O 13. Ne2 h6 14.
h4 Rg8 15. h5 Bf7 16. Nf4 Nc6 17. O-O Nxe5 18. Rb1 Bd6 19. Qf2 c5 20. Bf3
Nxf3+ 21. Qxf3 Rge8 22. a4 Qc6 23. Nd5 Bxd5 24. cxd5 Qd7 25. Qxf5 Qxf5 26.
Rxf5 Re1+ 27. Kf2 Rde8 28. Bf4 Rxb1 29. Bxd6 Rb2 30. Rf7 Rxc2+ 31. Kf1 c4
32. Bf4 cxd3 33. d6 d2 34. Bxd2 Re4 35. Ba5 b6 36. Bb4 d3 37. d7+ Kd8 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.8"]
[White "Maatman, Nick"]
[Black "Voege, Tobias"]
[Result "1-0"]
[ECO "C09"]
[Opening "French"]
[Variation "Tarrasch, open variation, main line"]
[EventDate "2023.08.11"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Be2 Qc7
8. O-O Nf6 9. Re1 cxd4 10. Nb3 Bb4 11. Bd2 Bxd2 12. Qxd2 O-O 13. Nbxd4 Bg4
14. c3 Rac8 15. Rad1 Na5 16. h3 Bd7 17. Bd3 Nc4 18. Qc2 Rfe8 19. Bf5 Bxf5
20. Nxf5 g6 21. Qc1 Qd7 22. Nh6+ Kg7 23. b3 Nd6 24. Ne5 Rxe5 25. Rxe5 Nde4
26. Ng4 Nxg4 27. Rxe4 Nf6 28. Red4 Qc6 29. c4 b5 30. Qb2 bxc4 31. bxc4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.9"]
[White "Krasenkow, Michal"]
[Black "Smeets, Kobe"]
[Result "1-0"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "3.Nf3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8.
O-O O-O 9. Qb3 Qb6 10. Nbd2 Rd8 11. Nc4 Qa6 12. Bf4 Nd5 13. Bg5 Nd7 14.
Bxe7 Nxe7 15. Nd6 Nb6 16. Nxf7 Kxf7 17. e4 Qa4 18. Qxa4 Nxa4 19. exf5 Nxf5
20. Rad1 Rd6 21. g4 Nh6 22. Ng5+ Kg6 23. Ne4 Rd7 24. b3 Nb6 25. Nc5 Re7 26.
h3 Rd8 27. Rfe1 Kf7 28. Rd3 Rde8 29. Rf3+ Kg8 30. Rfe3 Kf7 31. Ne4 Rd7 32.
Ng5+ Kf6 33. Nxe6 Rde7 34. Nxg7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.10"]
[White "Van Wely, Loek"]
[Black "Boelhouwer, Collin"]
[Result "1/2-1/2"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 c5 8.
cxd5 exd5 9. a3 Bxc3+ 10. Qxc3 c4 11. b3 Be6 12. bxc4 dxc4 13. e4 O-O 14.
Be2 Re8 15. O-O Nc6 16. Rad1 Ne7 17. Ne5 Ng6 18. Nxg6 Qxg6 19. d5 Bd7 20.
Bf3 Rac8 21. e5 b5 22. d6 Rc5 23. Rfe1 Qe6 24. Qa5 Rxe5 25. Rf1 Rc8 26. Bb7
Rcc5 27. Qxa7 g5 28. Qa5 c3 29. Rc1 c2 30. Qd2 Re2 31. Qd3 Qc4 32. Qf3 Rf5
33. Qg3 Rd2 34. Qe3 Rxd6 35. Be4 Re6 36. Bxc2 Rxe3 37. Bxf5 Qd4 38. Bxd7
Rb3 39. Bc6 Rb2 40. h3 Qa7 41. Rb1 Rc2 42. Bxb5 Qxa3 43. Rbd1 Qc5 44. Bd3
Rb2 45. Be4 Qe5 46. Rfe1 Qc5 47. Rf1 Qe5 48. Bf3 Kg7 49. Bh5 Qf5 50. Rde1
Rb7 51. Ra1 Qc5 52. Rfc1 Qd4 53. Rd1 Qc5 54. Rac1 Qa7 55. Rc3 Qa5 56. Rf3
Qe5 57. Bg4 Ra7 58. Rf5 Qc3 59. Kh2 Qc7+ 60. g3 Kg6 61. Rf3 h5 62. Bf5+ Kg7
63. Kg1 Qe5 64. Bd3 Qe6 65. Bf1 Qe4 66. Re3 Qf5 67. Bg2 Qc5 68. Re2 Qc4 69.
Re5 f6 70. Re3 Qc5 71. Bf3 Kg6 72. Be4+ Kg7 73. Red3 Kf7 74. Rd5 Qc3 75.
Kg2 Re7 76. Bf5 Qc6 77. Kh2 h4 78. g4 Qc7+ 79. Kg1 Qc3 80. R5d3 Re1+ 81.
Rxe1 Qxe1+ 82. Kg2 Qe5 83. Kf3 Qe1 84. Kg2 Qe5 85. Kf1 Qa1+ 86. Ke2 Qb2+
87. Kf3 Qe5 88. Re3 Qf4+ 89. Ke2 Qc4+ 90. Bd3 Qa2+ 91. Kf3 Qd5+ 92. Be4
Qd1+ 93. Kg2 Qd4 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.11"]
[White "Maters, Arthur"]
[Black "Pham, Khoi"]
[Result "1/2-1/2"]
[ECO "C48"]
[Opening "Four knights"]
[Variation "Rubinstein counter-gambit"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Qe7 6. Nf3 Nxb5 7. Nxb5
Qxe4+ 8. Qe2 Qxe2+ 9. Kxe2 Nd5 10. c4 a6 11. Nc3 Nf4+ 12. Kd1 Nd3 13. Kc2
Nb4+ 14. Kb3 Nd3 15. Kc2 Nb4+ 16. Kb3 Nd3 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.12"]
[White "Van Delft, Merijn"]
[Black "Vandevenne, Sander"]
[Result "1-0"]
[ECO "A04"]
[Opening "Reti opening"]
[EventDate "2023.08.11"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. O-O Nf6 5. c4 c5 6. b3 Be7 7. Bb2 O-O 8.
d3 d6 9. Nc3 a6 10. Qc2 Nc6 11. e3 Rc8 12. Rad1 Qc7 13. Qb1 Qb8 14. d4 cxd4
15. exd4 Na5 16. d5 e5 17. Nh4 g6 18. f4 Ng4 19. Rde1 b5 20. Nd1 Rce8 21.
h3 Nf6 22. Bc3 Qd8 23. fxe5 dxe5 24. Rxe5 Bd6 25. Rxe8 Nxe8 26. Qd3 Qc7 27.
Ne3 bxc4 28. bxc4 Bc8 29. g4 Bc5 30. Kh1 Qe7 31. Nf3 Qxe3 32. Qxe3 Bxe3 33.
Bxa5 Bc5 34. Ne5 Nd6 35. Nd3 Nxc4 36. Nxc5 Nxa5 37. d6 Be6 38. Nxe6 fxe6
39. Rc1 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.13"]
[White "De Jong, Migchiel"]
[Black "Emans, Job"]
[Result "1/2-1/2"]
[ECO "C84"]
[Opening "Ruy Lopez"]
[Variation "closed defence"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8.
a3 Na5 9. Ba2 Be6 10. b4 Bxa2 11. Rxa2 Nc6 12. c4 Nd4 13. Nc3 Nxf3+ 14.
Qxf3 c6 15. a4 O-O 16. axb5 axb5 17. Rxa8 Qxa8 18. cxb5 cxb5 19. Bg5 Qa3
20. Bxf6 Bxf6 21. Nd5 Bg5 22. g3 g6 23. h4 Bd8 24. h5 f5 25. hxg6 hxg6 26.
Kg2 Kg7 27. Rh1 fxe4 28. Qxe4 Qa2 29. Rf1 Qa7 30. f4 Qa2+ 31. Rf2 Qa1 32.
Rf1 Qa2+ 33. Rf2 Qa1 34. Rf1 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.14"]
[White "Rijnaarts, Sjef"]
[Black "Loef, Dirk"]
[Result "1/2-1/2"]
[ECO "B07"]
[Opening "Pirc defence"]
[EventDate "2023.08.11"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. Nf3 Qa5 7. Bd3 Nbd7 8.
Bh6 Bxh6 9. Qxh6 a6 10. O-O Qh5 11. Qd2 O-O 12. Ne2 Kg7 13. c4 c5 14. e5
dxe5 15. Ng3 Qh6 16. dxe5 Qxd2 17. exf6+ Nxf6 18. Nxd2 Rd8 19. Nb3 Rxd3 20.
Nxc5 Rd2 21. b4 Be6 22. Nxe6+ fxe6 23. Rfe1 Kf7 24. Nf1 Rd4 25. Ne3 b5 26.
Rec1 Ng4 27. Nxg4 Rxg4 28. cxb5 Rxb4 29. bxa6 Rxa6 30. Rc2 Rba4 31. g3 Kf6
32. h4 e5 33. Kg2 h6 34. Kf3 Ra3+ 35. Ke2 Kf5 36. Rb2 g5 37. hxg5 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.08"]
[Round "5.15"]
[White "Van Houtte, Randy"]
[Black "Eidelman, Gabriel"]
[Result "1/2-1/2"]
[ECO "C00"]
[Opening "French defence, Steiner variation"]
[EventDate "2023.08.11"]

1. c4 e6 2. e4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nc3 Be7 7. Nf3
O-O 8. d4 Nb6 9. h3 Bf5 10. O-O Nfxd5 11. Bd3 Bxd3 12. Qxd3 c6 13. Bd2 Qc7
14. Rfe1 Rad8 15. Ne5 Nb4 16. Qg3 Bd6 17. Ne4 f6 18. Nxd6 Qxd6 19. Qb3+
N4d5 20. Nd3 Rf7 21. Nc5 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.1"]
[White "Ter-Sahakyan, Samvel"]
[Black "Leenhouts, Koen"]
[Result "1-0"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Paulsen attack"]
[EventDate "2023.08.11"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Na3 Bd7 7. Bd3 cxd4 8.
cxd4 Nf5 9. Nc2 Nb4 10. Nxb4 Bxb4+ 11. Bd2 Qb6 12. Bxb4 Qxb4+ 13. Qd2 Qb6
14. Bxf5 exf5 15. O-O O-O 16. Rfc1 Rfc8 17. h4 h6 18. b3 a5 19. Rxc8+ Rxc8
20. Rc1 Rc7 21. Rxc7 Qxc7 22. Ne1 Bb5 23. g3 a4 24. Ng2 axb3 25. axb3 Bd7
26. Nf4 Be6 27. Kg2 Kh7 28. Ne2 Qb6 29. Qd3 Kg8 30. Qc3 Kh7 31. Nf4 Qa7 32.
Qd3 Kg8 33. h5 Qa1 34. Qb5 Qxd4 35. Qe8+ Kh7 36. Ng6 fxg6 37. hxg6# 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.2"]
[White "Ikonnikov, Vyacheslav"]
[Black "Dardha, Daniel"]
[Result "1/2-1/2"]
[ECO "A40"]
[Opening "Modern defence"]
[EventDate "2023.08.11"]

1. d4 g6 2. Nf3 Bg7 3. e4 a6 4. c4 d6 5. Be2 Nf6 6. Nc3 Bg4 7. Be3 Nfd7 8.
Ng1 Bxe2 9. Ngxe2 c5 10. O-O Nc6 11. b3 cxd4 12. Nxd4 Qa5 13. Nxc6 bxc6 14.
Bd4 O-O 15. Bxg7 Kxg7 16. Qd4+ Qe5 17. Qe3 a5 18. Rfe1 Qc5 19. Qg3 Rfd8 20.
Na4 Qa7 21. Rad1 f6 22. h4 Nc5 23. Nxc5 Qxc5 24. Kh2 a4 25. f4 axb3 26.
axb3 Qh5 27. Rd3 Rab8 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.3"]
[White "Vrolijk, Liam"]
[Black "Maatman, Nick"]
[Result "1/2-1/2"]
[ECO "A06"]
[Opening "Reti opening"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 dxc4 5. Bxc4 a6 6. a4 c5 7. O-O Be7 8.
Qe2 O-O 9. Rd1 Nc6 10. d4 cxd4 11. exd4 Nb4 12. Ne5 Re8 13. Qf3 Qc7 14. Bf4
Bd6 15. Rac1 Nc6 16. Be2 Nxd4 17. Rxd4 Bxe5 18. Nb5 Qxc1+ 19. Bxc1 axb5 20.
Rd1 bxa4 21. Bb5 Rf8 22. Qe2 Bc7 23. Bg5 Nd5 24. Qc2 Be5 25. Bc1 Rd8 26.
Qe4 Bf6 27. Bxa4 Bd7 28. Bc2 g6 29. Qf3 Bg7 30. Bg5 Rdc8 31. Be4 Bxb2 32.
Bxd5 exd5 33. Qxd5 Bc6 34. Qd2 Ra1 35. Rxa1 Bxa1 36. h4 h5 37. Qd6 Re8 38.
Bf6 Bxf6 39. Qxf6 Re6 40. Qd8+ Kg7 41. Qd4+ Kg8 42. f3 Re2 43. Qd8+ Re8 44.
Qd6 Re2 45. Qd8+ Re8 46. Qd6 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.4"]
[White "Zwirs, Nico"]
[Black "Schoppen, Casper"]
[Result "0-1"]
[ECO "C57"]
[Opening "two knights defence"]
[Variation "Ulvestad variation"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nxd5 7. Bxb5 Bb7
8. d4 exd4 9. O-O Be7 10. Nf3 O-O 11. Bxc6 Bxc6 12. Nxd4 Bb7 13. Nd2 Re8
14. N2f3 Bf6 15. c4 Nb4 16. Be3 Qc8 17. a3 Nc6 18. Ne2 Bxb2 19. Ra2 Bf6 20.
Nf4 Ne7 21. Nh5 Qf5 22. Nxf6+ Qxf6 23. Qd4 Qg6 24. Nh4 Qh5 25. Rb2 Bc6 26.
h3 Nc8 27. Qc5 Qxc5 28. Bxc5 Re4 29. Rd1 Nb6 30. Rbd2 Nd7 31. Nf5 Nxc5 32.
Rd8+ Rxd8 33. Rxd8+ Be8 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.5"]
[White "Honkoop, Gilian"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "A41"]
[Opening "Old Indian"]
[Variation "Tartakower (Wade) variation"]
[EventDate "2023.08.11"]

1. d4 d6 2. Nf3 Bg4 3. e4 Nf6 4. h3 Bh5 5. Qe2 Bxf3 6. Qxf3 c6 7. Be3 e6 8.
Nd2 Be7 9. Bd3 O-O 10. g4 d5 11. O-O-O Nbd7 12. Kb1 dxe4 13. Nxe4 Nxe4 14.
Qxe4 Nf6 15. Qf3 Qa5 16. h4 Qd5 17. Qe2 b5 18. g5 Ne8 19. Qg4 Nd6 20. h5 f5
21. gxf6 Bxf6 22. Rhg1 Nf5 23. Be4 Qd7 24. Qf3 Ne7 25. Qe2 Rad8 26. Bg5 Nf5
27. Bxf6 Rxf6 28. Qd3 Kh8 29. Qc3 Rc8 30. Qd3 Qe8 31. Qh3 Qf7 32. Rge1 Ne7
33. Bd3 Nd5 34. Re5 Nf4 35. Qe3 Nxh5 36. Re1 Nf4 37. Bf1 Rf8 38. a3 Nd5 39.
Qh3 Rh6 40. Qg4 Qxf2 41. Rxe6 Rh1 42. R6e2 Qf4 43. Qg2 Rxf1 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.6"]
[White "Provoost, Simon"]
[Black "Ghazarian, Kirk"]
[Result "0-1"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 h6 6. Ngf3 Nh5 7. dxc5 Nxf4
8. exf4 Bxc5 9. Ne4 Be7 10. Nd6+ Bxd6 11. Qxd6 Qe7 12. Qd2 O-O 13. Be2 d6
14. O-O Rd8 15. Rfe1 b6 16. Rad1 Bb7 17. Qe3 Qf6 18. Bd3 Ne7 19. Be4 Bxe4
20. Qxe4 Rac8 21. g3 Rc7 22. Kg2 Qf5 23. Qxf5 Nxf5 24. Nd4 Ne7 25. h4 h5
26. Re2 a6 27. Red2 g6 28. Nc2 d5 29. Nd4 Rb8 30. a3 b5 31. Re2 a5 32. Re3
Nc8 33. f3 Nd6 34. g4 Rb6 35. Re2 b4 36. cxb4 axb4 37. axb4 Rxb4 38. gxh5
gxh5 39. f5 Rcc4 40. Red2 e5 41. Nc2 Rxb2 42. Ne3 Rxd2+ 43. Rxd2 Rd4 44.
Rxd4 exd4 45. Nxd5 Kg7 46. f6+ Kg6 47. Nf4+ Kh6 48. Kf2 Nf5 49. Ng2 Kg6 50.
Nf4+ Kxf6 51. Nxh5+ Ke5 52. Ke2 Nxh4 53. Ng3 Kf4 54. Nh5+ Ke5 55. Ng3 f5
56. Nh5 Kd5 57. Ng3 Kc4 58. f4 Kc3 59. Kd1 Kd3 60. Ke1 Kc2 61. Ne2 Nf3+ 62.
Kf2 d3 63. Ng3 Nd4 64. Nf1 d2 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.7"]
[White "Pfreundt, Jakob"]
[Black "Labruyere, Roger"]
[Result "1-0"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Nf3 d5 3. c3 Bf5 4. Qb3 Qc8 5. c4 dxc4 6. Qxc4 Nbd7 7. Nc3 Nb6
8. Qb3 e6 9. Nh4 Bg6 10. Nxg6 hxg6 11. g3 Qd7 12. Bg2 c6 13. e3 Bd6 14. Bd2
O-O 15. Rd1 Qe7 16. O-O e5 17. dxe5 Bxe5 18. Ne2 Rfd8 19. Bb4 Bd6 20. Ba5
Bc7 21. Bb4 Bd6 22. Bxd6 Rxd6 23. Rxd6 Qxd6 24. Rd1 Qe7 25. Qd3 Nbd5 26.
Qd4 a5 27. e4 Nc7 28. e5 Nfd5 29. Nc3 Nxc3 30. Qxc3 Nb5 31. Qe3 Re8 32. h4
Qc7 33. f4 Rd8 34. Rxd8+ Qxd8 35. e6 Qe7 36. exf7+ Qxf7 37. Qd3 Qf6 38.
Qb3+ Kh7 39. Kh2 a4 40. Qb4 Qd4 41. Qxd4 Nxd4 42. Be4 Kh6 43. Kg2 b5 44. g4
c5 45. Kf2 b4 46. Bd3 a3 47. bxa3 bxa3 48. Ke3 Ne6 49. Ke4 Nd4 50. Kd5 Nb3
51. Bc4 Nd4 52. Kxc5 Nf3 53. Kb4 Nxh4 54. Bd5 g5 55. f5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.8"]
[White "Goudriaan, Rafael"]
[Black "Van Delft, Merijn"]
[Result "1-0"]
[ECO "B51"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Nf6 5. Nc3 e6 6. a5 a6 7. Be2 Be7 8.
O-O O-O 9. d4 cxd4 10. Nxd4 Qc7 11. f4 Re8 12. Be3 Bf8 13. Nb3 b5 14. axb6
Nxb6 15. Qd4 Nfd7 16. f5 exf5 17. exf5 Nc5 18. Na5 Rb8 19. Bf3 Bxf5 20. Nc6
Rbc8 21. b4 Ncd7 22. Rxa6 d5 23. Nxd5 Nxd5 24. Bxd5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.9"]
[White "Rodriguez Fontecha, Marcos"]
[Black "Duijker, Rick"]
[Result "0-1"]
[ECO "A43"]
[Opening "Old Benoni defence"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. a4 b4 5. Bg5 Qb6 6. a5 Qd6 7. c4 Ne4 8. Bh4
Qh6 9. Nbd2 f5 10. Qc1 Nxd2 11. Qxd2 Qxd2+ 12. Nxd2 e5 13. dxe6 dxe6 14. g4
Bb7 15. Rg1 Nd7 16. gxf5 exf5 17. Bh3 g6 18. e4 Bh6 19. Bg5 Bxg5 20. Rxg5
Ne5 21. exf5 Nd3+ 22. Kf1 O-O 23. Rg3 Rad8 24. Nb3 Ba6 25. Kg1 Bxc4 26. Nd2
Bb5 27. Ne4 Nf4 28. Bg4 h5 29. Bxh5 Nxh5 30. Rxg6+ Kf7 31. Re1 Rfe8 32.
Ng5+ Kf8 33. Nh7+ Kf7 34. Ng5+ Kf8 35. Ne6+ Kf7 36. Rg5 Nf4 37. Nxd8+ Rxd8
38. Rg4 Ne2+ 39. Kg2 Rd2 40. h4 Bc6+ 41. Kf1 Nd4 42. h5 Nf3 43. Rc1 Rxb2
44. Rg6 Bb5+ 45. Kg2 Nh4+ 46. Kg3 Nxg6 47. fxg6+ Kf6 48. Rxc5 a6 49. Rc7
Rb1 50. Rf7+ Ke6 51. Rf3 Bc6 52. Re3+ Kf6 53. Rd3 Rc1 54. Rd4 b3 55. Rb4
Bd5 56. Rb6+ Kg7 57. Kf4 Rc5 58. Ke3 Rxa5 59. Kd4 Rb5 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.10"]
[White "Verweij, David"]
[Black "Van der Kaap, Jos"]
[Result "0-1"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 d5 4. O-O Bg7 5. d3 O-O 6. Nbd2 d4 7. e4 dxe3 8.
fxe3 c5 9. Nb3 Qc7 10. e4 c4 11. dxc4 Qxc4 12. Ne5 Qc7 13. Bf4 g5 14. Bxg5
Qxe5 15. Bf4 Qh5 16. Qe1 Nc6 17. e5 Ng4 18. h3 Ngxe5 19. g4 Qg6 20. Qh4
Qxc2 21. Rae1 Ng6 22. Qg3 Qxb2 23. h4 Nxf4 24. Qxf4 Be6 25. Rf2 Qc3 26. Re3
Qb4 27. Be4 Qd6 28. Qg5 Qd1+ 29. Kh2 Qxg4 30. Qc5 Rad8 31. Bc2 Rd5 32. Qa3
Rh5 33. Rg2 Qxh4+ 34. Kg1 Rg5 35. Qc1 Rxg2+ 36. Kxg2 Bd5+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.11"]
[White "Hekhuis, Jeroen"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack, Spassky's variation"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. b3 c5 6. Bb2 Be7 7. c4 a6 8. e3
O-O 9. Nc3 bxc4 10. bxc4 Nc6 11. Qe2 Rb8 12. Rab1 Qc7 13. d3 Rfd8 14. Rfc1
h6 15. Nd2 Ba8 16. Nce4 Ne8 17. Nb3 Nb4 18. Bc3 f5 19. Nexc5 Bxg2 20. Bxb4
Ba8 21. a3 Bxc5 22. Nxc5 a5 23. e4 fxe4 24. dxe4 Qa7 25. Nd3 axb4 26. axb4
Nf6 27. Nc5 Qb6 28. Rd1 Qc6 29. f3 Rxb4 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.12"]
[White "Hu, Yu A."]
[Black "Rijnaarts, Sjef"]
[Result "1-0"]
[ECO "B94"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.Bg5"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qc7
8. Qf3 b5 9. e5 dxe5 10. Ndxb5 axb5 11. Qxa8 b4 12. Nb5 Qxc2 13. Na7 Nb6
14. Qc6+ Qxc6 15. Nxc6 exf4 16. Bxf4 Nbd5 17. Be5 Bd7 18. Nb8 Ng4 19. Nxd7
Kxd7 20. Bb5+ Ke6 21. Bd4 Nge3 22. Bxe3 Nxe3 23. Kf2 Ng4+ 24. Kg3 f5 25.
Rac1 Ne5 26. Rhe1 Kf6 27. Rc5 e6 28. Rc8 g5 29. h3 h5 30. Re8 h4+ 31. Kh2
g4 32. a4 bxa3 33. bxa3 gxh3 34. Kxh3 Rg8 35. Re3 f4 36. Rc3 f3 37. gxf3
Ng6 38. Rc4 e5 39. Rc6+ Kg5 40. Bc4 Rh8 41. Bf7 Nf4+ 42. Kh2 Bg7 43. Rxh8
Bxh8 44. a4 Ne2 45. a5 Nd4 46. Rg6+ Kf4 47. Bd5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.13"]
[White "Pham, Khoi"]
[Black "Wagenvoorde, Guido"]
[Result "1-0"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 h5 8.
Qg3 Qxg3 9. hxg3 b5 10. Nxc6 dxc6 11. Be2 Bb7 12. Rxh5 Rxh5 13. Bxh5 Nf6
14. Bf3 Nd7 15. a4 O-O-O 16. O-O-O Be7 17. Be2 Rh8 18. f3 Rh2 19. Bf1 b4
20. Nb1 Bc5 21. Bxc5 Nxc5 22. b3 e5 23. Nd2 Ne6 24. Nc4 f6 25. Nd6+ Kc7 26.
Nf5 Bc8 27. Kd2 g6 28. Ne3 Nd4 29. Ke1 Rh1 30. Kf2 a5 31. Bd3 Rh8 32. Nc4
Ba6 33. Nxa5 Bxd3 34. Rxd3 Nxc2 35. Nc4 Rh1 36. f4 Rb1 37. fxe5 fxe5 38.
Nxe5 Na1 39. a5 Nxb3 40. Rd7+ Kc8 41. a6 Nc5 42. a7 Ra1 43. Rh7 b3 44. Nc4
Nd7 45. e5 Rxa7 46. e6 Ra2+ 47. Kf3 Nf6 48. Nd6+ Kb8 49. Rb7+ Ka8 50. Rxb3
Rd2 51. Nc4 Rd4 52. Ne5 Rd6 53. e7 Re6 54. Nxg6 Nd5 55. Nf4 Rxe7 56. Nxd5
cxd5 57. Kf4 Re2 58. Rd3 Kb7 59. Rxd5 Kc6 60. Rd1 Rf2+ 61. Kg5 Rf8 62. g4
Rg8+ 63. Kf5 Rf8+ 64. Ke6 Rg8 65. Rd4 Kc5 66. Ra4 Kb5 67. Re4 Kc6 68. Kf7
Kd5 69. Ra4 Rb8 70. g5 Ke5 71. Ra5+ Kf4 72. g6 Rb7+ 73. Kg8 Rb8+ 74. Kh7
1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.14"]
[White "Verduyn, Frederic"]
[Black "De Jong, Migchiel"]
[Result "0-1"]
[ECO "A40"]
[Opening "Queen's pawn"]
[EventDate "2023.08.11"]

1. d4 e6 2. Bf4 d5 3. e3 Bd6 4. Nf3 Nf6 5. Ne5 O-O 6. Nd2 c5 7. c3 Nc6 8.
Bd3 Qc7 9. Ndf3 b6 10. h4 Bb7 11. h5 Ne4 12. h6 g6 13. Nxc6 Bxf4 14. Nce5
Bxe5 15. Nxe5 f6 16. Nf3 e5 17. dxe5 Nxf2 18. Kxf2 fxe5 19. c4 e4 20. cxd5
Bxd5 21. Bxe4 Bxe4 22. Qb3+ c4 23. Qc3 Rf7 24. Rh4 Bxf3 25. gxf3 Raf8 26.
Qxc4 Qxc4 27. Rxc4 Rxf3+ 28. Ke2 Rh3 29. Rd1 Rh2+ 30. Ke1 Rxh6 31. Rd7 Rh1+
32. Ke2 Rf7 33. Rcc7 Rxd7 34. Rxd7 Rh2+ 35. Kf3 a5 36. b3 Rxa2 37. Rb7 Rb2
38. Rxb6 a4 39. b4 a3 40. Ra6 a2 41. b5 Kg7 42. b6 h5 43. b7 Rxb7 44. Rxa2
Rf7+ 45. Kg3 g5 46. Ra5 Kg6 47. e4 h4+ 48. Kg2 Rf4 49. Ra6+ Kh5 50. e5 Re4
51. e6 Kg4 52. Rb6 Kf5 53. Rb5+ Kf6 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.09"]
[Round "6.15"]
[White "Eidelman, Gabriel"]
[Black "Maters, Arthur"]
[Result "1-0"]
[ECO "D27"]
[Opening "QGA"]
[Variation "classical, 6...a6"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 Be7 8.
Bb2 Nc6 9. Be2 O-O 10. Nbd2 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bd7 13. Bf3 Nd5 14.
Nc4 Bc6 15. Qd2 Nb4 16. Be2 Be4 17. Qb2 Bf6 18. Rad1 b5 19. Bxf6 Qxf6 20.
Qxf6 gxf6 21. Nb6 Nxa2 22. Nxa8 Nc3 23. Bd3 Bxd3 24. Rxd3 Nd5 25. e4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.1"]
[White "Schoppen, Casper"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1/2-1/2"]
[ECO "B31"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (with ...g6, without ...d6)"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 7. Na3 d5
8. d3 Nf6 9. h3 Nd7 10. c3 dxe4 11. dxe4 O-O 12. Bg5 Re8 13. Qe2 a5 14. e5
Nf8 15. Qe3 Ne6 16. Bh6 Bh8 17. Rad1 Rd8 18. Qe4 Ba6 19. h4 Rd7 20. b3 Rad8
21. Rxd7 Qxd7 22. Nc4 Qc7 23. Nb2 Bb7 24. c4 Nd4 25. Bf4 Qb6 26. Na4 Qb4
27. Rd1 Nxf3+ 28. Qxf3 Rd4 29. e6 fxe6 30. Be3 Bf6 31. Bxd4 cxd4 32. h5 c5
33. Qg3 Be4 34. hxg6 Bxg6 35. f4 Kf7 36. Nb2 Qa3 37. Nd3 a4 38. Ne5+ Kg7
39. Nxg6 hxg6 40. Qd3 Qxa2 41. bxa4 Qxa4 42. Re1 Kf7 43. Kh2 Qb4 44. Rc1
Qb8 45. g3 e5 46. fxe5 Qxe5 47. Rf1 Qe6 48. Kg2 Kg7 49. Rf4 Qc6+ 50. Re4
Qb7 51. Qe2 Qb3 52. Rxe7+ Bxe7 53. Qxe7+ Kg8 54. Qe8+ Kg7 55. Qe7+ Kg8 56.
Qe8+ Kg7 57. Qe7+ Kg8 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.2"]
[White "Dardha, Daniel"]
[Black "Maatman, Nick"]
[Result "0-1"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4
8. Bf4 Nxc3 9. Qc2 Ne4 10. e3 g5 11. Bg3 h5 12. cxd5 exd5 13. Bb5 Bd7 14.
h4 Nxg3 15. fxg3 gxh4 16. Bxc6 Bxc6 17. O-O hxg3 18. Qf5 Rf8 19. Ng5 Qd7
20. Nh7 Qxf5 21. Rxf5 Rh8 22. Nf6+ Ke7 23. Raf1 h4 24. R1f4 Raf8 25. e4
dxe4 26. d5 Bd7 27. Rxe4+ Kd8 28. Rff4 h3 29. Rb4 b6 30. a4 hxg2 31. a5 Rh2
32. Nxd7 Re8 33. Rbe4 Rxe4 34. Rxe4 Kxd7 35. d6 Rh7 36. dxc7 bxa5 37. Rc4
Kc8 38. Rc5 f6 39. Rxa5 Rxc7 40. Kxg2 Kb7 41. Rb5+ Ka6 42. Rb3 Rg7 43. Rf3
Rg6 44. Rf5 Kb6 45. Rd5 a5 46. Rf5 a4 47. Rf4 Kb5 48. Re4 Rg5 49. Re6 a3
50. Re3 Kb4 51. Re4+ Kb3 52. Re3+ Kb2 53. Re2+ Kc1 54. Re1+ Kd2 55. Re6 Ra5
0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.3"]
[White "Duijker, Rick"]
[Black "Vrolijk, Liam"]
[Result "1/2-1/2"]
[ECO "A21"]
[Opening "English, Kramnik-Shirov counterattack"]
[EventDate "2023.08.11"]

1. c4 e5 2. Nc3 Bb4 3. Na4 a5 4. a3 Be7 5. e3 f5 6. d4 d6 7. dxe5 dxe5 8.
Qxd8+ Bxd8 9. b3 Bf6 10. Bb2 Na6 11. O-O-O e4 12. Nh3 Bxb2+ 13. Kxb2 Nf6
14. Nf4 Bd7 15. Nc3 c6 16. Be2 Ke7 17. Na4 Rad8 18. c5 Nc7 19. Nb6 Be6 20.
h4 Bf7 21. Rxd8 Rxd8 22. Rd1 Rxd1 23. Bxd1 Na6 24. Nc8+ Kf8 25. b4 axb4 26.
axb4 Nxb4 27. Nd6 Nfd5 28. Be2 Nxf4 29. exf4 Nd5 30. g3 Be6 31. Nxb7 Ke7
1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.4"]
[White "Krasenkow, Michal"]
[Black "Goudriaan, Rafael"]
[Result "1-0"]
[ECO "E97"]
[Opening "King's Indian"]
[Variation "orthodox, Aronin-Taimanov, bayonet attack"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8.
d5 Ne7 9. b4 a5 10. bxa5 Rxa5 11. Nd2 b6 12. Nb3 Ra8 13. a4 Nd7 14. a5 bxa5
15. Nxa5 Rb8 16. Be3 f5 17. f3 f4 18. Bf2 g5 19. Nc6 Nxc6 20. dxc6 Nf6 21.
c5 Ne8 22. Bc4+ Kh8 23. Ra7 Rf6 24. Nd5 Rg6 25. cxd6 Qxd6 26. Nxc7 Qxc6 27.
Bd5 Qd7 28. Nxe8 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.5"]
[White "Ghazarian, Kirk"]
[Black "Pfreundt, Jakob"]
[Result "1/2-1/2"]
[ECO "D34"]
[Opening "QGD"]
[Variation "Tarrasch, Prague variation, Normal position"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 c5 6. cxd5 exd5 7. O-O Nc6 8.
Nc3 O-O 9. dxc5 Bxc5 10. a3 Ne4 11. Qc2 Nxc3 12. Qxc3 Be7 13. Bf4 Bf6 14.
Qd2 Bf5 15. Bg5 Be4 16. Rad1 Re8 17. Qf4 Re6 18. Qd2 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.6"]
[White "Van der Kaap, Jos"]
[Black "Ikonnikov, Vyacheslav"]
[Result "1/2-1/2"]
[ECO "B32"]
[Opening "Sicilian"]
[Variation "Labourdonnais-Loewenthal (Kalashnikov) variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N5c3 Nf6
8. Bd3 O-O 9. O-O Bg4 10. f3 Be6 11. Nd5 Bxd5 12. exd5 Nb4 13. Be2 a5 14.
Nc3 Nd7 15. Rb1 Bg5 16. Bxg5 Qxg5 17. Nb5 Nxa2 18. Nxd6 Nc5 19. Kh1 f5 20.
f4 Qf6 21. fxe5 Qxe5 22. Nb5 Nb4 23. Bf3 Nbd3 24. d6 Rf6 25. Bxb7 Rb8 26.
Bd5+ Kh8 27. Qf3 g5 28. Bc6 Rh6 29. h3 Rf8 30. Qd5 g4 31. Qxe5+ Nxe5
1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.7"]
[White "Van Wely, Loek"]
[Black "Van der Hagen, Loek"]
[Result "1/2-1/2"]
[ECO "A15"]
[Opening "English opening"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ Nc6 6. Ne5 Qd6 7. Nxc6
Qxc6 8. Qxc6+ bxc6 9. g3 Bg7 10. Bg2 Be6 11. b3 O-O-O 12. Bb2 Nxc3 13. Bxc6
Bd5 14. Bxd5 Rxd5 15. Bxc3 Bxc3 16. dxc3 Rhd8 17. h4 h5 18. f3 Rd2 19. g4
Rb2 20. gxh5 gxh5 21. Rg1 Rdd2 22. Rg2 f6 23. Rd1 Rxd1+ 24. Kxd1 Kd7 25.
Rg8 Rxa2 26. Rh8 Ra5 27. Kc2 Rf5 28. Kd3 a5 29. c4 Kd6 30. Rd8+ Kc6 31. Rd4
e6 32. Re4 e5 33. f4 Kc5 34. fxe5 fxe5 35. Kc3 Kd6 36. Re3 Rf4 37. Rd3+ Ke6
38. Rd5 Rxh4 39. Rxa5 Rh3+ 40. Kb4 Re3 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.8"]
[White "Leenhouts, Koen"]
[Black "Smeets, Kobe"]
[Result "1-0"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "3.Nf3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8.
O-O O-O 9. Nbd2 Qb6 10. Nh4 Bg6 11. Nxg6 hxg6 12. b3 Nbd7 13. Bb2 Rfd8 14.
Rfd1 a5 15. a3 Rac8 16. Rac1 Qa7 17. e3 b5 18. Qe2 Qb6 19. Rc2 Rc7 20. Rdc1
Rdc8 21. Bf1 b4 22. a4 c5 23. Qa6 Qxa6 24. Bxa6 Rd8 25. Bb5 Nb6 26. Nf3
Rdc8 27. Ne5 Nbd5 28. Ba6 Ra8 29. Bd3 Rac8 30. e4 Nb6 31. Ba6 Ra8 32. dxc5
Nxa4 33. bxa4 Rxa6 34. f3 Ne8 35. Kf1 Ra8 36. Ke2 Rd8 37. c6 Rcc8 38. Nd7
Nc7 39. Nb6 Rb8 40. Nd7 Rbc8 41. Rd1 f6 42. Bd4 Na8 43. Nb6 Nxb6 44. Bxb6
b3 45. Rc4 Rd6 46. Rxd6 Bxd6 47. Bd4 e5 48. Bb2 Kf7 49. Kd3 Bb4 50. c7 Ke6
51. Bc3 Kd7 52. Bxb4 b2 53. Kc2 axb4 54. Kxb2 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.9"]
[White "Syrov, Arkadi"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "B95"]
[Opening "Sicilian"]
[Variation "Najdorf, 6...e6"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 Nbd7
8. O-O-O Qc7 9. Kb1 h6 10. Bd2 h5 11. Bd3 b5 12. Rhe1 Bb7 13. Qe2 Be7 14.
a3 Ne5 15. f4 Nc4 16. e5 dxe5 17. fxe5 Nd5 18. Ncxb5 axb5 19. Nxb5 Nxd2+
20. Qxd2 Qb6 21. c4 Nc7 22. c5 Bxc5 23. Nd6+ Bxd6 24. exd6 Qxd6 25. Qg5 Bd5
26. Qxg7 O-O-O 27. Qxf7 Rd7 28. Qf2 Kb7 29. Qh4 Rhd8 30. Qxh5 Qb6 31. Qg4
Qb3 32. Qb4+ Qxb4 33. axb4 Bxg2 34. Bc2 Rxd1+ 35. Rxd1 Rh8 36. Rd2 Bd5 37.
Bd3 Rh4 38. Kc2 Rxb4 39. Kc3 Rh4 40. b3 Kb6 41. Bc4 Bxc4 42. bxc4 Kc5 43.
Re2 Rxc4+ 44. Kd2 Kd5 45. h3 Ra4 46. Re3 Ra2+ 47. Ke1 Kd4 48. Rg3 Nd5 49.
h4 Rh2 50. Ra3 Ne3 51. Ra6 e5 52. h5 Kd3 53. h6 Re2# 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.10"]
[White "Elgersma, Onno"]
[Black "Pham, Khoi"]
[Result "0-1"]
[ECO "C74"]
[Opening "Ruy Lopez"]
[Variation "modern Steinitz defence, siesta variation"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. d4 e4 8.
Bg5 Be7 9. Bxe7 Qxe7 10. Nfd2 Nf6 11. Nf1 d5 12. Ne3 Be6 13. O-O O-O 14.
Nd2 b5 15. Bc2 Rae8 16. a4 Nd8 17. axb5 axb5 18. Qe2 c6 19. Nb3 Bf7 20. Nc5
Bh5 21. Qd2 Ne6 22. Nf5 Qc7 23. Nxe6 Rxe6 24. Qg5 Bg6 25. Ne3 Nh5 26. Bd1
Nf4 27. Qg3 Qf7 28. Kh1 Bh5 29. Bxh5 Qxh5 30. h3 Qe2 31. Qg4 Qxg4 32. Nxg4
Nd3 33. b4 h5 34. Ne3 Rxf2 35. Rxf2 Nxf2+ 36. Kg1 Nd3 37. Ra7 Rf6 38. Rc7
Nc1 39. g4 g6 40. g5 Rf3 41. Ng2 Ne2+ 42. Kh2 Rxc3 43. Rc8+ Kf7 44. Rc7+
Ke6 45. Rg7 Kf5 46. Rf7+ Kxg5 47. Rf2 Nxd4 48. h4+ Kh6 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.11"]
[White "De Jong, Migchiel"]
[Black "Voege, Tobias"]
[Result "1/2-1/2"]
[ECO "A35"]
[Opening "English"]
[Variation "symmetrical, four knights system"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nc2 e6 7. e3 a6 8.
Be2 Qc7 9. Bd2 d5 10. cxd5 exd5 11. O-O Bd6 12. h3 O-O 13. Nd4 Bc5 14. Rc1
Ba7 15. Nf3 Bf5 16. Be1 Rad8 17. Qa4 Bb8 18. Qh4 d4 19. exd4 Nxd4 20. g3
Nxe2+ 21. Nxe2 Qe7 22. Ned4 Bg6 23. Bc3 Nd5 24. Qxe7 Nxe7 25. Nh4 Rfe8 26.
Nxg6 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.12"]
[White "Van Delft, Merijn"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "C83"]
[Opening "Ruy Lopez"]
[Variation "open, classical defence"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8.
dxe5 Be6 9. c3 Be7 10. h3 O-O 11. Re1 Bc5 12. Be3 Bxe3 13. Rxe3 Na5 14.
Nbd2 Nxb3 15. axb3 Nxd2 16. Qxd2 Qd7 17. b4 f6 18. exf6 Rxf6 19. Nd4 Rg6
20. Kh1 Rh6 21. Rg3 Kh8 22. Kg1 Rf6 23. Qe2 Re8 24. Re3 Bf7 25. Rxe8+ Bxe8
26. Re1 Bf7 27. Qe7 Qc8 28. Re5 h6 29. g4 Kg8 30. f3 a5 31. bxa5 c5 32. Nf5
Qa8 33. Qxc5 Qxa5 34. Re1 Qa4 35. Qd4 Qc2 36. Qf2 Qd3 37. Qe2 Qc4 38. Qxc4
bxc4 39. Kg2 h5 40. Kg3 hxg4 41. hxg4 Rb6 42. Re2 Kf8 43. Kf4 Rf6 44. Kg5
Rg6+ 45. Kh4 Rb6 46. Nd4 Bg6 47. Re6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.13"]
[White "Lommers, Frank"]
[Black "Eidelman, Gabriel"]
[Result "1/2-1/2"]
[ECO "B30"]
[Opening "Sicilian defence"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. O-O a6 5. d4 cxd4 6. Nxd4 Qc7 7. Nxc6 Qxc6
8. Bd3 Bc5 9. c4 Ne7 10. Kh1 b5 11. cxb5 axb5 12. Qe2 b4 13. Nd2 Qc7 14.
Nb3 Bb6 15. Bd2 Nc6 16. f4 O-O 17. Rf3 Qd8 18. Rh3 g6 19. Be1 Qe8 20. Bh4
Bd8 21. e5 Bxh4 22. Rxh4 d6 23. Qe3 f5 24. exf6 Rxf6 25. Nd2 d5 26. Nf3 Ba6
27. Bc2 Bc4 28. a4 bxa3 29. bxa3 Rf7 30. Ng5 Rd7 31. Qh3 Raa7 32. Rh6 Rg7
33. Re1 Nd4 34. Bb1 Rae7 35. Qc3 e5 36. Ne4 Qc6 37. fxe5 dxe4 38. Qxd4 Rd7
39. Qc3 Bd5 40. Qe3 Rge7 41. Qg3 Rf7 42. Rh4 Qc4 43. h3 Rf1+ 44. Kh2 Rxe1
45. Qxe1 Qd4 46. e6 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.14"]
[White "Boeren, Jurriaan"]
[Black "Ciolek, Andreas"]
[Result "1/2-1/2"]
[ECO "C72"]
[Opening "Ruy Lopez"]
[Variation "modern Steinitz defence, 5.O-O"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g6 7. d4 Bg7 8.
Re1 Nf6 9. Nbd2 O-O 10. Nf1 Qe7 11. Ng3 Bg4 12. Bxc6 bxc6 13. dxe5 dxe5 14.
h3 Rfd8 15. Qe2 Bd7 16. Be3 c5 17. Nd2 Bb5 18. c4 Ba4 19. Nb1 Be8 20. Nc3
c6 21. Na4 Nd7 22. Rad1 Bf8 23. b3 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.10"]
[Round "7.15"]
[White "De Boer, Eelke"]
[Black "Bezemer, Arno"]
[Result "1-0"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nc3 e6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd3 a6 6. Bf4 b5 7. O-O-O Nf6
8. Be2 d5 9. exd5 Nb4 10. Qe3 Nbxd5 11. Nxd5 Nxd5 12. Rxd5 Qxd5 13. Bf3 Bc5
14. Qc3 Qf5 15. Ne2 Ra7 16. g4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.1"]
[White "Ter-Sahakyan, Samvel"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "B31"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (with ...g6, without ...d6)"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. a3 Nge7 7. b4 d6 8.
bxc5 dxc5 9. Bg5 Bd7 10. Nc3 O-O 11. Bc4 h6 12. Bxe7 Qxe7 13. Nd5 Qd6 14.
Rb1 Rab8 15. Nd2 Kh7 16. c3 f5 17. Bb3 Na5 18. Nc4 Nxc4 19. dxc4 Bc6 20.
Rb2 Bf6 21. Qf3 Bxd5 22. cxd5 Bg7 23. Bc2 f4 24. Rfb1 c4 25. Rxb7 Rxb7 26.
Rxb7 Qxa3 27. h4 h5 28. Kh2 Kh6 29. Qh3 Qa2 30. Qd7 Rg8 31. Qa4 Qxa4 32.
Bxa4 Bf6 33. Kh3 g5 34. hxg5+ Rxg5 35. d6 Rg4 36. Kh2 Bh4 37. d7 Rg6 38.
Kh3 Bg5 39. Rb5 Re6 40. Rc5 Be7 41. Rxc4 Rd6 42. Rc8 Kg7 43. c4 Rd4 44. c5
Rxa4 45. c6 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.2"]
[White "Maatman, Nick"]
[Black "Schoppen, Casper"]
[Result "1-0"]
[ECO "D38"]
[Opening "QGD"]
[Variation "Ragozin variation"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 a5 6. cxd5 exd5 7. Bg5 c6 8.
e3 Nbd7 9. Bd3 h6 10. Bh4 O-O 11. O-O Re8 12. Rac1 Be7 13. Rfd1 Ne4 14.
Bxe7 Qxe7 15. Bxe4 dxe4 16. Nd2 Nf6 17. h3 Be6 18. Qc2 Bf5 19. a3 Qe6 20.
Nf1 g5 21. d5 Nxd5 22. Nxd5 cxd5 23. Qb3 Qf6 24. Qxd5 Bg6 25. Qb5 Rac8 26.
Rxc8 Rxc8 27. Qxb7 Rc2 28. Rd2 Rc1 29. Qa8+ Kh7 30. Qxa5 Bh5 31. Qb5 Qe7
32. g4 Bg6 33. Kg2 h5 34. Ng3 hxg4 35. hxg4 Rc5 36. Qb4 Qc7 37. Rd1 Kg8 38.
Qd4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.3"]
[White "Vrolijk, Liam"]
[Black "Van der Kaap, Jos"]
[Result "1-0"]
[ECO "D27"]
[Opening "QGA"]
[Variation "classical, 6...a6"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. O-O c5 7. Be2 Nc6 8.
Ne5 Nxe5 9. dxe5 Qxd1 10. Rxd1 Nd7 11. f4 Be7 12. Nd2 O-O 13. Nc4 Ra7 14.
Nd6 Bxd6 15. Rxd6 b6 16. e4 Rc7 17. Be3 b5 18. Bd2 Nb8 19. Ba5 Rc6 20. a4
Rxd6 21. exd6 b4 22. Bb6 Nd7 23. a5 Bb7 24. e5 Rc8 25. Bc4 h5 26. f5 Re8
27. fxe6 fxe6 28. Bb3 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.4"]
[White "Ikonnikov, Vyacheslav"]
[Black "De Boer, Eelke"]
[Result "1-0"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 c6 7. e3 Bf5 8.
Be2 h6 9. O-O O-O 10. Qb3 b5 11. Ne5 a5 12. a3 a4 13. Qd1 Qb6 14. g4 Bh7
15. g5 hxg5 16. Bxg5 Ra7 17. Bf4 Ne4 18. Nxe4 dxe4 19. b4 axb3 20. Qxb3 Nd7
21. Nxd7 Rxd7 22. a4 Bd6 23. Bg3 Rb8 24. Rfb1 Bf5 25. axb5 cxb5 26. Qxb5
Qxb5 27. Bxb5 Rdd8 28. Bc6 Rbc8 29. Bb7 Rc2 30. Ra5 Bxg3 31. hxg3 g6 32.
Ra8 Rxa8 33. Bxa8 Rc8 34. Bd5 Rd8 35. Rb5 Kg7 36. Kf1 Bd7 37. Ra5 Bh3+ 38.
Ke1 f5 39. Kd2 Bf1 40. Kc3 Kf6 41. Rc5 Ke7 42. Bb3 Rd6 43. d5 Rb6 44. Rc6
Ra6 45. Kd4 Ra3 46. Rb6 Kd7 47. Ke5 Kc7 48. Rb4 Ra6 49. Ba4 Bd3 50. Bc6 Ra7
51. Ra4 Rxa4 52. Bxa4 Be2 53. d6+ Kd8 54. Kf6 Bh5 55. Bb5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.5"]
[White "Pfreundt, Jakob"]
[Black "Leenhouts, Koen"]
[Result "1/2-1/2"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer, Alekhine gambit, Kan variation"]
[EventDate "2023.08.11"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. d5 exd5
8. Qxd5 Be6 9. Qxd8+ Rxd8 10. Bf4 Nf6 11. Bxc7 Rd7 12. Bf4 O-O 13. Be3 Ng4
14. Nxe4 Nxe3 15. fxe3 Re7 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.6"]
[White "Zwirs, Nico"]
[Black "Duijker, Rick"]
[Result "1-0"]
[ECO "B32"]
[Opening "Sicilian"]
[Variation "Labourdonnais-Loewenthal variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6
Qf6 8. Qd2 Nge7 9. Nc3 d6 10. b3 O-O 11. Bb2 Be6 12. O-O-O Nd4 13. Bd3 b5
14. Rhf1 Ng6 15. Nd5 Bxd5 16. exd5 Nf4 17. Be4 Qh6 18. Bxd4 exd4 19. Kb1
Rae8 20. Rfe1 f5 21. Bf3 d3 22. cxd3 Rxe1 23. Rxe1 Qxh2 24. Qe3 Ng6 25. g3
f4 26. Qe6+ Kh8 27. Rh1 fxg3 28. Rxh2 gxh2 29. Qh3 Ne5 30. Be4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.7"]
[White "Pham, Khoi"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8.
Qe2 Qc7 9. O-O-O b5 10. a3 Bb7 11. h4 Rc8 12. Rh3 h5 13. Kb1 Be7 14. Qe1
Nb6 15. Bxf6 gxf6 16. Rd2 Kf8 17. f5 e5 18. Nb3 Rg8 19. Qe3 Ke8 20. Qh6 Nc4
21. Bxc4 bxc4 22. Nc1 Qb6 23. Ka2 Qg1 24. N1e2 Qxg2 25. Qe3 Kd7 26. Rg3
Rxg3 27. Nxg3 Qh3 28. Qb6 Rc7 29. Nxh5 Qxh4 30. Ng7 Qh8 31. Rg2 Qa8 32. Qe3
Bc6 33. Nh5 Qh8 34. Rh2 Bb7 35. Qd2 Qg8 36. Rg2 Qh8 37. Rh2 Qf8 38. Rg2 Kc8
39. Nd5 Bxd5 40. Qxd5 Kb8 41. Rg7 Bd8 42. c3 Ka7 43. Rh7 Qe7 44. Ng3 Qf8
45. Nf1 Qg8 46. Rh1 Qg2 47. Rh8 Qxf1 48. Rxd8 Rb7 49. Rxd6 Qf2 50. Qd2 Qxd2
51. Rxd2 Kb6 52. Rd6+ Kb5 53. Kb1 a5 54. Kc2 a4 55. Rxf6 Rd7 56. Rh6 Rd3
57. Rh7 f6 58. Rf7 Rd6 59. Rb7+ Rb6 60. Rd7 Kc6 61. Rd5 Rb5 62. Rd8 Rb6 63.
Rc8+ Kb5 64. Kd2 Rb7 65. Rf8 Rb6 66. Rd8 Kc5 67. Rc8+ Rc6 68. Rb8 Rd6+ 69.
Ke2 Rd7 70. Rb4 Rh7 71. Rxa4 Rh2+ 72. Kd1 Rxb2 73. Ra6 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.8"]
[White "Honkoop, Gilian"]
[Black "Dardha, Daniel"]
[Result "0-1"]
[ECO "A53"]
[Opening "Old Indian defence"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bf5 5. Nh4 Bg4 6. h3 Bd7 7. Nf3 Bg7 8.
e4 O-O 9. Be2 e5 10. d5 a5 11. g4 c6 12. Be3 Na6 13. Nd2 Nc5 14. f3 a4 15.
b4 axb3 16. axb3 Qb6 17. O-O Bh6 18. f4 exf4 19. Bd4 Bg7 20. Nf3 Rxa1 21.
Qxa1 Nxg4 22. e5 Nxe5 23. Ne4 cxd5 24. cxd5 Qb4 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.9"]
[White "Bakker, Jouke"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8.
Nf5 g6 9. g5 gxf5 10. exf5 d5 11. Qf3 Ne4 12. Nxe4 dxe4 13. Qxe4 Nc6 14. g6
hxg6 15. fxg6 Be6 16. Rg1 f5 17. g7 Bxg7 18. Qg2 Bf8 19. Qg6+ Bf7 20. Qxf5
Qd7 21. Qxd7+ Kxd7 22. h3 Kc7 23. c3 Re8 24. b4 Nd4 25. Kd1 Bh5+ 26. Kc1
Nf5 27. Bg5 Bh6 28. Bxh6 Rxh6 29. Rg5 Nd6 30. Kb2 Rf8 31. Rxe5 Rxf2+ 32.
Kb3 Bf7+ 33. c4 Bxc4+ 34. Bxc4 Rxh3+ 35. Ka4 Nxc4 36. Rc5+ Kb8 37. b5 axb5+
38. Rxb5 Rf4 39. Rab1 Nb6+ 40. Ka5 Nc4+ 41. Ka4 Nb2+ 42. Ka5 Ra4+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.10"]
[White "Tibke, Jonas"]
[Black "De Jong, Migchiel"]
[Result "0-1"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Wade variation"]
[EventDate "2023.08.11"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Bb5 8.
Nc3 Bb4 9. O-O Bxc3 10. bxc3 Bxe2 11. Qxe2 Qa6 12. Qc2 Ne7 13. a4 Nbc6 14.
Ba3 h6 15. Rfb1 O-O 16. Qb3 b6 17. Qb5 Qc8 18. Bd6 Re8 19. a5 Nxa5 20. Rxa5
bxa5 21. Qxa5 Nf5 22. Bc5 h5 23. g3 Qd7 24. Ra1 Reb8 25. Ng5 Qb5 26. Kg2
Ne3+ 27. Kf3 Qd3 28. Qa6 Nc4+ 29. Kg2 Rb2 30. Qc6 Ne3+ 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.11"]
[White "Eidelman, Gabriel"]
[Black "Van Baar, Esper"]
[Result "1-0"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Ne4 6. Bd3 Bb4+ 7. Nbd2 Nd7 8.
a3 Bc3 9. Ra2 Ba5 10. Bb2 f5 11. b4 Bc7 12. a4 Qf6 13. a5 a6 14. Nb3 O-O
15. O-O g5 16. Qa1 g4 17. Ne5 Qh4 18. Qe1 Rf6 19. f4 Qh5 20. Bxe4 Rh6 21.
Bd3 Qxh2+ 22. Kf2 g3+ 23. Ke2 Nxe5 24. dxe5 dxc4 25. Bxc4 Qxg2+ 26. Kd1 Rh2
27. Nd4 Qh3 28. Rg1 g2 29. Bc3 Bd8 30. Qe2 Qg4 31. Qxg4+ fxg4 32. Nxe6 Bxe6
33. Bxe6+ Kf8 34. Bxg4 h5 35. Bf5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.12"]
[White "Ciolek, Andreas"]
[Black "Verwoert, Jef"]
[Result "1-0"]
[ECO "A58"]
[Opening "Benko gambit accepted"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 d6 8.
Bxa6 Rxa6 9. Nf3 Bg7 10. O-O O-O 11. Qe2 Qa5 12. Nd2 Ra7 13. Nc4 Qa6 14. a4
Nfd7 15. Nb5 Rb7 16. Bd2 Nb6 17. Na5 Rc7 18. Ra2 Rcc8 19. b3 Na8 20. Rc1
Nc7 21. Rac2 Nxb5 22. axb5 Qb6 23. b4 Nd7 24. Nc6 Rfe8 25. bxc5 Nxc5 26.
Be3 Ra8 27. Bxc5 dxc5 28. Rxc5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.13"]
[White "Van der Hagen, Loek"]
[Black "Boeren, Jurriaan"]
[Result "1-0"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[Variation "Italian four knights variation"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 a6 6. O-O d6 7. Be3 O-O 8.
Bxc5 dxc5 9. Bd5 Nxd5 10. exd5 Nb4 11. Nxe5 Nxd5 12. Nxd5 Qxd5 13. Re1 Re8
14. Qf3 Be6 15. Qg3 Qd6 16. Re3 f6 17. Nf3 Qxg3 18. hxg3 Kf7 19. Nd2 b6 20.
f3 a5 21. Kf2 Rad8 22. b3 a4 23. Re4 Ra8 24. Rh1 axb3 25. axb3 Ra2 26. Rc1
Rea8 27. Ke1 Bd5 28. Rh4 Re8+ 29. Kd1 h6 30. Rh5 Bc6 31. Rh1 Re7 32. Re1 g5
33. Rxe7+ Kxe7 34. Nf1 h5 35. Ne3 Ra8 36. Ke2 Kf7 37. Rh1 Kg6 38. Kd2 Rh8
39. Ke2 Ra8 40. Kf2 Bd7 41. Nd5 Ra2 42. Rc1 Be6 43. Nc3 Rb2 44. Ke3 Kf7 45.
Nb5 c6 46. Nc3 b5 47. Ne4 c4 48. dxc4 bxc4 49. bxc4 Ke7 50. Kd4 Rb4 51. Nd2
Kd6 52. Kc3 Ra4 53. Kb3 Ra8 54. Ne4+ Ke7 55. Rh1 Bf5 56. Nd2 Bg6 57. Rd1
Rd8 58. Kc3 Rd6 59. Re1+ Kf7 60. Nb3 Bf5 61. Ra1 Re6 62. Nd4 Re5 63. Ra7+
Ke8 64. f4 Re3+ 65. Kd2 Rxg3 66. Nxf5 Rxg2+ 67. Kd3 h4 68. fxg5 fxg5 69.
Rh7 Rf2 70. Nd6+ Kf8 71. Ne4 Rf3+ 72. Kd4 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.14"]
[White "Voege, Tobias"]
[Black "Kliashtornyi, Arkadii"]
[Result "1-0"]
[ECO "D15"]
[Opening "QGD Slav"]
[Variation "4.Nc3"]
[EventDate "2023.08.11"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. a4 e6 6. a5 Nbd7 7. c5 e5 8. dxe5
Ng4 9. b4 Ngxe5 10. Nd4 g6 11. e4 Nf6 12. f4 Ned7 13. e5 Ng8 14. Bd3 Bg7
15. O-O Ne7 16. Bb1 O-O 17. Ra2 Re8 18. Re2 Nf8 19. h3 Nf5 20. Bxf5 Bxf5
21. Nxf5 gxf5 22. Qd3 Qd7 23. Bb2 Ng6 24. Nb1 Re7 25. g3 Rf8 26. Rfe1 Ree8
27. Nd2 Rd8 28. Nf3 Rfe8 29. Nd4 Ne7 30. Kh2 Rc8 31. h4 h6 32. h5 Rb8 33.
Bc3 Ra8 34. e6 fxe6 35. Rxe6 Rad8 36. Rd6 Qc8 37. Rxd8 Qxd8 38. Ne6 Bxc3
39. Nxd8 Bxe1 40. Qe3 Kf8 41. Ne6+ Kf7 42. Nc7 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.11"]
[Round "8.15"]
[White "Provoost, Simon"]
[Black "Woltery, Nicolai"]
[Result "1-0"]
[ECO "D02"]
[Opening "Queen's bishop game"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. e3 Nc6 5. Nbd2 e6 6. c3 Bd6 7. Bg3 O-O 8.
Bd3 b6 9. Qe2 Bb7 10. Rd1 Re8 11. Ne5 Qc7 12. f4 Ne7 13. Qf3 Nf5 14. Bf2
Bf8 15. Ng4 Nxg4 16. Qxg4 Nd6 17. O-O Ne4 18. Bh4 g6 19. Bxe4 dxe4 20. Bf6
Bg7 21. Qh4 cxd4 22. cxd4 Qc2 23. b3 Qxa2 24. Rf2 Qc2 25. Re1 Qc3 26. g4
Qb4 27. Bxg7 Kxg7 28. f5 Qf8 29. Ref1 exf5 30. gxf5 Bd5 31. Rf4 Kg8 32. f6
h6 33. Qg3 Re6 34. h4 Kh8 35. h5 gxh5 36. Rf5 Bb7 37. Rxh5 Kh7 38. Qh3 Qg8+
39. Kh1 Qg6 40. Nc4 Ba6 41. Rg1 Qxf6 42. Rf5 Qe7 43. Ne5 Rxe5 44. Rxe5 Qf6
45. Rf5 Bc8 46. Rxf6 Bxh3 47. Rxf7+ Kh8 48. Rf6 Kh7 49. Kh2 Bc8 50. Rf7+
Kh8 51. Rf8+ Kh7 52. Rc1 Bb7 53. Rf7+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.1"]
[White "Vrolijk, Liam"]
[Black "Ter-Sahakyan, Samvel"]
[Result "1/2-1/2"]
[ECO "A20"]
[Opening "English opening"]
[EventDate "2023.08.11"]

1. c4 e5 2. g3 c6 3. d4 e4 4. d5 Bb4+ 5. Bd2 Qe7 6. Nc3 Nf6 7. Nh3 cxd5 8.
Nf4 Bxc3 9. Bxc3 dxc4 10. Bg2 Nc6 11. Nd5 Nxd5 12. Qxd5 O-O 13. Bxe4 Re8
14. f3 Nb4 15. Qd2 a5 16. a3 d5 17. Bxh7+ Kxh7 18. axb4 Bh3 19. Kf2 Rad8
20. e3 axb4 21. Bxb4 Qf6 22. Bc3 Qf5 23. Qd4 Qc2+ 24. Qd2 Qxd2+ 25. Bxd2 d4
26. exd4 Rxd4 27. Bc3 Rd3 28. Rhe1 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.2"]
[White "Maatman, Nick"]
[Black "Ikonnikov, Vyacheslav"]
[Result "1/2-1/2"]
[ECO "B32"]
[Opening "Sicilian"]
[Variation "Labourdonnais-Loewenthal (Kalashnikov) variation"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N5c3 Nf6
8. Be2 Nd4 9. O-O O-O 10. Be3 Nxe2+ 11. Qxe2 Be6 12. Rd1 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.3"]
[White "Dardha, Daniel"]
[Black "Zwirs, Nico"]
[Result "1/2-1/2"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Nbd7 5. d4 Nb6 6. a4 a5 7. b3 Bf5 8.
Ba3 g6 9. Nh4 Be6 10. Qd3 Bg7 11. e3 O-O 12. Nd2 Nc8 13. f3 Nd6 14. e4 dxe4
15. fxe4 Ndxe4 16. Nxe4 Nxe4 17. Bxe4 Qxd4+ 18. Kg2 Qxd3 19. Bxd3 Bxa1 20.
Rxa1 Rfe8 21. Bc5 Rad8 22. Bb6 Rd6 23. Rd1 Rc8 24. Bxa5 c5 25. Nf3 c4 26.
bxc4 Bxc4 27. Bb4 Bxd3 28. cxd3 Rc2+ 29. Kh3 Rd7 30. d4 f6 31. Re1 Kf7 32.
g4 Rb2 33. Bd2 Rd5 34. Kg3 h5 35. h3 hxg4 36. hxg4 g5 37. Rc1 Rd7 38. Rh1
Kg7 39. Rc1 Kf7 40. a5 b6 41. Bc3 Ra2 42. axb6 Rb7 43. Rb1 Ra6 44. Rh1
Raxb6 45. Kf2 Rc6 46. Bd2 Rb3 47. Rh7+ Ke8 48. Rh8+ Kd7 49. Bxg5 Rc2+ 50.
Bd2 Rxf3+ 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.4"]
[White "Krasenkow, Michal"]
[Black "Eidelman, Gabriel"]
[Result "1-0"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bb3 Bb7 8.
O-O c5 9. Qe2 Nbd7 10. Rd1 Qc7 11. Bd2 Be7 12. Rac1 Qb6 13. Be1 O-O 14. Ne5
Rad8 15. f4 Nb8 16. Bf2 Nc6 17. dxc5 Bxc5 18. Nd3 Be7 19. Bc2 b4 20. Na4
Qb5 21. Bh4 Ne4 22. Bxe7 Nxe7 23. Qe1 Rc8 24. Nxb4 a5 25. Nd3 Rxc2 26. Rxc2
Qxa4 27. Rc7 Nd5 28. Rxb7 Nxe3 29. Rc1 Ng4 30. Nb4 Nef2 31. h3 axb4 32.
hxg4 Nd3 33. Qd1 Qa6 34. Rcc7 Qd6 35. Rd7 Qc5+ 36. Kh2 Nxf4 37. Qd6 Qxd6
38. Rxd6 Nd5 39. Rbd7 Nf6 40. Rd8 Nxg4+ 41. Kg1 Ne3 42. a4 bxa3 43. bxa3
Nc4 44. Rd3 g5 45. a4 h5 46. Rxf8+ Kxf8 47. Rc3 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.5"]
[White "Schoppen, Casper"]
[Black "Ciolek, Andreas"]
[Result "1-0"]
[ECO "C72"]
[Opening "Ruy Lopez"]
[Variation "modern Steinitz defence, 5.O-O"]
[EventDate "2023.08.11"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g6 7. d4 Bg7 8.
Re1 Nf6 9. Nbd2 O-O 10. h3 Re8 11. Bc2 a5 12. Nf1 a4 13. d5 Ne7 14. c4 Nh5
15. Be3 Nf4 16. Qd2 h6 17. Ng3 g5 18. c5 Bb5 19. Qb4 Qd7 20. Rad1 Ra6 21.
Kh2 Kh8 22. Nd2 Bd3 23. Qc3 Qb5 24. Nb1 Bxc2 25. Qxc2 Rc8 26. Na3 Qd7 27.
Qc4 Raa8 28. Qb4 f5 29. cxd6 cxd6 30. Nc4 fxe4 31. Nb6 Qd8 32. Qxe4 a3 33.
Nxa8 Rxa8 34. bxa3 Rxa3 35. Nf5 Nxf5 36. Qxf5 Rxa2 37. Rc1 Ra8 38. Bxf4
gxf4 39. Ra1 Rb8 40. Rec1 Qg5 41. Rc8+ Rxc8 42. Qxc8+ Kh7 43. Ra8 f3 44. g3
b5 45. h4 Qf6 46. h5 Qf7 47. Qc2+ Qf5 48. Qxf5# 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.6"]
[White "Leenhouts, Koen"]
[Black "Van der Hagen, Loek"]
[Result "1-0"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+
Nd7 8. Nf3 O-O 9. Qa3 c5 10. Be2 cxd4 11. cxd4 Nf6 12. Qe3 b6 13. h3 Bb7
14. Bd3 Qd7 15. O-O Qa4 16. Qe2 Rac8 17. Bd2 Rfd8 18. Rfd1 e6 19. Rab1 h6
20. Bb4 Rc7 21. d5 exd5 22. e5 Nh5 23. Bd6 Rc3 24. Rb4 Qd7 25. g4 d4 26.
Rxd4 Qc6 27. Be4 Nf4 28. Qe1 Nxh3+ 29. Kh2 Qc8 30. Bxb7 Qxb7 31. Qxc3 Nxf2
32. Rc1 h5 33. gxh5 gxh5 34. Rg1 Qd7 35. Rxg7+ Kxg7 36. e6 Qxe6 37. Rg4+
1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.7"]
[White "De Jong, Migchiel"]
[Black "Pfreundt, Jakob"]
[Result "1/2-1/2"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[EventDate "2023.08.11"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 h5 5. Nbd2 Be7 6. O-O h4 7. c3 hxg3 8.
hxg3 Be6 9. b4 Qc8 10. b5 Bh3 11. Bh1 Nd8 12. Nxe5 Qf5 13. f4 Bxf1 14. Nxf1
Nf6 15. Bg2 Bd6 16. d4 c6 17. c4 Kf8 18. bxc6 bxc6 19. Qa4 Rc8 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.8"]
[White "Voege, Tobias"]
[Black "Pham, Khoi"]
[Result "0-1"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8.
Bg3 b5 9. h4 g4 10. Ne5 Nbd7 11. Nxg4 Bb7 12. Be2 Rg8 13. Nxf6+ Nxf6 14.
Bf3 Qb6 15. Be5 Nd7 16. Bf4 O-O-O 17. O-O Bg7 18. Be3 Ne5 19. d5 c5 20. Bh5
f5 21. a4 b4 22. a5 Qd6 23. a6 Ba8 24. Na4 Nd3 25. Be2 fxe4 26. dxe6 Bd4
27. Bg4 Kb8 28. Bf5 Qe5 29. Qh5 Nf4 30. Bxf4 Qxf4 31. e7 Rde8 32. Be6 Be5
33. Rfd1 Rxg2+ 34. Kxg2 e3+ 35. Kh3 Qh2+ 36. Kg4 Qg2+ 37. Kf5 Qe4# 0-1

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.9"]
[White "Van Delft, Merijn"]
[Black "Provoost, Simon"]
[Result "1-0"]
[ECO "B15"]
[Opening "Caro-Kann"]
[Variation "Tartakower (Nimzovich) variation"]
[EventDate "2023.08.11"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3
O-O 8. Ne2 Re8 9. O-O Nd7 10. c4 Nf8 11. Qc2 g6 12. Rfd1 f5 13. Qd2 Ne6 14.
Bc2 Qf6 15. f4 Nc7 16. Nc3 Bd7 17. Bf2 Ne6 18. g3 Nc7 19. a3 Rad8 20. b4 b5
21. cxb5 Nxb5 22. Nxb5 cxb5 23. d5 a6 24. Bd4 Qe7 25. Re1 Qf8 26. Bb2 h5
27. h4 Rxe1+ 28. Rxe1 Re8 29. Rxe8 Bxe8 30. Qd4 f6 31. Kf2 Bd7 32. Bd3 Kg7
33. Qb6 Bc8 34. Bd4 Qe7 35. Bc5 Bc7 36. Qc6 Qd7 37. Qxd7+ Bxd7 38. Be2 Kf7
39. Bf3 a5 40. Ke3 axb4 41. axb4 Bb8 42. Kd4 Be8 43. Bd1 Bd7 44. Bb3 Ke8
45. d6 Bc6 46. Be6 Bf3 47. d7+ Kd8 48. Bb6+ Bc7 49. Kc5 Be2 50. Bxc7+ Kxc7
51. d8=Q+ Kxd8 52. Kd6 Ke8 53. Bd7+ Kf7 54. Kc5 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.10"]
[White "Van Wely, Loek"]
[Black "Bazilius, Augustinas"]
[Result "1-0"]
[ECO "A34"]
[Opening "English"]
[Variation "symmetrical, three knights system"]
[EventDate "2023.08.11"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 e6 7. Rb1 Nc6
8. e4 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 O-O 12. Bb5 Ne7 13. O-O b6
14. Rfe1 Bb7 15. Bc4 Rc8 16. Bb3 Qd6 17. Rbd1 Rfd8 18. h4 Nc6 19. d5 exd5
20. Bxd5 Qe7 21. Qf4 h6 22. g4 Nb4 23. g5 Nxd5 24. exd5 Qd6 25. Re8+ Kh7
26. Re5 Qg6 27. h5 Qxh5 28. gxh6 Qg6+ 29. Ng5+ Kh8 30. Qxf7 Rc6 31. Rde1
1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.11"]
[White "Van der Kaap, Jos"]
[Black "Grutter, Tim"]
[Result "1/2-1/2"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 e5 7. O-O Nc6 8.
dxe5 dxe5 9. Bg5 Qxd1 10. Raxd1 h6 11. Be3 Rd8 12. Rxd8+ Nxd8 13. Rd1 Bg4
14. h3 Bxe2 15. Nxe2 Ne6 16. f4 Rd8 17. Rxd8+ Nxd8 18. Nc3 a6 19. f5 Kf8
20. g4 g5 21. Nd5 c6 22. Nxf6 Bxf6 23. Bb6 Be7 24. Bf1 f6 25. Bxd8 Bxd8 26.
Bc4 Ke7 27. Kf2 Kd6 28. Ke3 Kc5 29. Kd3 a5 30. Be6 a4 31. c4 Ba5 32. Bc8 b6
33. Bd7 Be1 34. b3 Kb4 35. Bxc6 axb3 36. axb3 Kxb3 37. Bd5 Kb2 38. Ke2 Bb4
39. Kf3 Kc1 40. Be6 Kd1 41. Bf7 Ke1 42. Bh5 Kf1 43. Bg6 Kg1 44. Bh5 Kh2 45.
Bg6 Kxh3 46. Bh5 Bc5 47. Bg6 Bd4 48. Bh5 Kh2 49. Bf7 Bc5 50. Bg6 Kg1 51.
Bf7 Kf1 52. Bg6 Ke1 53. Bf7 Kd2 54. Bd5 Kd3 55. Bf7 Bf8 56. Bd5 Bg7 57. Kf2
Bf8 58. Kf3 Bc5 59. Be6 Bb4 60. Bd5 Ba3 61. Kf2 Bc1 62. Kf3 Be3 63. Bf7 Bd2
64. Bd5 Bc3 65. Kf2 Bd4+ 66. Kf3 Be3 67. Bf7 h5 68. Bxh5 Bc5 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.12"]
[White "Elgersma, Onno"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, 3...Bd7"]
[EventDate "2023.08.11"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. Nc3 Nf6 6. O-O g6 7. Re1 Bg7 8.
d3 O-O 9. h3 e5 10. Nd2 a6 11. Bc4 Nd4 12. Nd5 b5 13. Nxf6+ Qxf6 14. Bd5
Rab8 15. axb5 axb5 16. Nf1 Qh4 17. Ra7 Qd8 18. Ne3 Ne6 19. Ng4 Nf4 20. Bb3
Qc8 21. Ne3 Be6 22. Bxe6 Qxe6 23. h4 f5 24. exf5 gxf5 25. Qf3 Ng6 26. h5
Ne7 27. Qh3 Kh8 28. Bd2 Nc6 29. Rc7 Nd4 30. b4 f4 31. Ng4 Nxc2 32. h6 Bf6
33. Re4 Rg8 34. Nxf6 Qxf6 35. bxc5 b4 36. cxd6 b3 37. Bc3 b2 38. Bxe5 b1=Q+
39. Kh2 Qxe5 40. Rxe5 Ne1 41. Ree7 Rg6 42. Rxh7+ Kg8 43. Qe6+ 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.13"]
[White "Lommers, Frank"]
[Black "Rodriguez Fontecha, Marcos"]
[Result "1-0"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Wade variation"]
[EventDate "2023.08.11"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. dxc5 Bxc5 8.
b4 Bxf2+ 9. Kf1 Bc6 10. c4 dxc4 11. Na3 Bd5 12. Bxc4 Ne7 13. Bxd5 Nxd5 14.
Nc4 Qa6 15. b5 Qxb5 16. Qe2 O-O 17. Kxf2 Rc8 18. Nd6 Qxe2+ 19. Kxe2 Rc2+
20. Bd2 Nc6 21. Rhc1 Rb2 22. Nc4 Rb5 23. Rab1 Rc5 24. Nd6 b6 25. Rxc5 bxc5
26. Rc1 Ncb4 27. Rxc5 Nxa2 28. Nd4 h5 29. Nc6 a5 30. Rxa5 Rxa5 31. Bxa5
Nc1+ 32. Kf3 Nd3 33. Bd2 Kf8 34. Nc4 Ke8 35. Ke4 Nc5+ 36. Kf3 Nd3 37. Nd4
Ke7 38. Ne2 f6 39. Nf4 N5xf4 40. Bxf4 Ne1+ 41. Kf2 Nd3+ 42. Ke3 Ne1 43. Bg3
Nc2+ 44. Ke4 Kf7 45. Bf2 Nb4 46. Bd4 Kg6 47. Ne3 Kg5 48. Bc3 Na6 49. Bd4
Nb8 50. Nc4 Nc6 51. Be3+ Kg6 52. g3 Ne7 53. Bd4 Nf5 54. Ne3 Ne7 55. Ng2 Kf7
56. Nf4 h4 57. gxh4 Nf5 58. h5 Nh6 59. Ne2 Ng4 60. h3 Nh6 61. Ng3 Ng8 62.
Bc5 Nh6 63. Bd4 Ng8 64. Bc3 Nh6 65. Kf4 Ng8 66. Ne4 Ke7 67. Bb4+ Kf7 68.
Bc3 Ke7 69. Ke3 Kf7 70. Kd3 Ke7 71. Kc4 Kf7 72. Kc5 Ne7 73. Nd6+ Kg8 74.
exf6 gxf6 75. Bxf6 Nd5 76. Bg5 Nc3 1-0

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.14"]
[White "Grochal, Joey"]
[Black "Manshanden, Nick"]
[Result "1/2-1/2"]
[ECO "E91"]
[Opening "King's Indian"]
[Variation "6.Be2"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. Be3 e5 8.
d5 Ng4 9. Bg5 f6 10. Bd2 f5 11. Ng5 Nc5 12. b4 fxe4 13. Ncxe4 Nxe4 14. Nxe4
Bf5 15. Bxg4 Bxe4 16. O-O Bd3 17. Be2 e4 18. Rc1 Bb2 19. Bxd3 Bxc1 20. Bxc1
exd3 21. Bb2 Qh4 22. Qxd3 Rae8 23. Qc3 Re7 24. c5 b6 25. f4 bxc5 26. bxc5
dxc5 27. g3 Qg4 28. Qh8+ Kf7 29. Qf6+ Ke8 30. Qc6+ Qd7 31. Qxc5 Rf5 32. Ba3
Re2 33. Qc4 Re3 34. Bc5 Re7 35. Bxe7 Kxe7 36. Re1+ Kd8 37. Re5 Rxe5 38.
fxe5 Qf5 39. Qf4 Qb1+ 40. Qf1 Qb4 41. Qf6+ Kc8 42. Qe6+ Kb7 43. Qc6+ Kb8
44. Qe8+ Kb7 45. Qc6+ Kb8 46. Qe8+ 1/2-1/2

[Event "25th HZ Open 2023"]
[Site "Vlissingen NED"]
[Date "2023.08.12"]
[Round "9.15"]
[White "De Boer, Eelke"]
[Black "Verweij, David"]
[Result "1-0"]
[ECO "E67"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation"]
[EventDate "2023.08.11"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8.
dxe5 dxe5 9. h3 c6 10. Be3 Qc7 11. Qc1 b6 12. Bh6 Ba6 13. Bxg7 Kxg7 14. b3
Rad8 15. Qe3 Rfe8 16. Rfd1 h6 17. Rd2 Re7 18. Rad1 Rde8 19. Rd6 Re6 20. Ne4
Bc8 21. Nxf6 Rxf6 22. R6d2 Nf8 23. Qc3 Rfe6 24. h4 c5 25. Bh3 R6e7 26. Bxc8
Rxc8 27. Rd6 f6 28. h5 Ne6 29. Qd3 Nf8 30. Nh4 e4 31. Qe3 Rce8 32. hxg6
Nxg6 33. Nf5+ Kf7 34. Qxh6 1-0

