[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.1"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Ptacnikova, Lenka"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "WGM"]
[WhiteElo "2338"]
[BlackElo "2099"]
[ECO "E18"]
[Opening "Queen's Indian"]
[Variation "old main line, 7.Nc3"]
[WhiteFideId "14142805"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bd2
Bf6 9. Re1 Nxc3 10. Bxc3 Be4 11. Nd2 Bxg2 12. Kxg2 d5 13. e4 c6 14. Rc1 Re8 15.
Qf3 Na6 16. Qd3 Nc7 17. b3 dxe4 18. Nxe4 Be7 19. Rcd1 a5 20. a4 Na6 21. Re2 Nb4
22. Qf3 Rc8 23. h4 Rc7 24. Ba1 Rd7 25. Qc3 Bf8 26. Rde1 Qb8 27. f4 Red8 28. Qf3
c5 29. d5 f5 30. Ng5 exd5 31. Ne6 Re8 32. cxd5 Nxd5 33. h5 Qb7 34. h6 gxh6 35.
Nxf8 Rxe2+ 36. Rxe2 Kxf8 37. Kh2 Qc6 38. Re5 Ne7 39. Rxf5+ Kg8 40. Qc3 Nxf5 41.
Qh8+ Kf7 42. Qxh7+ Ke8 43. Qxf5 Rd2+ 44. Kh3 Qd7 45. Qxd7+ Rxd7 46. Kh4 Kf7 47.
g4 Rd3 48. f5 Rxb3 49. Be5 c4 50. Bf4 Kg7 51. Be5+ Kh7 52. f6 Kg6 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.2"]
[White "Ingvason, Johann"]
[Black "Danielsen, Henrik"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2076"]
[BlackElo "2501"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2301431"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 O-O 5. Bg2 Be7 6. Ngf3 d6 7. O-O c5 8. e4
Nc6 9. d5 Nb4 10. a3 Nd3 11. Qc2 Nxc1 12. Raxc1 e5 13. b4 b6 14. Nh4 g6 15. Bf3
Bh3 16. Ng2 Nd7 17. Be2 Bg5 18. Rb1 Bh6 19. Rb3 Qe7 20. g4 Bxg2 21. Kxg2 cxb4
22. axb4 a5 23. bxa5 bxa5 24. Ra3 Bxd2 25. Qxd2 Nc5 26. Qe3 a4 27. Rfa1 Kh8 28.
Bd1 f5 29. exf5 gxf5 30. gxf5 Rxf5 31. Qh3 Raf8 32. Rf3 Rxf3 33. Bxf3 e4 34. Bg4
Qg7 35. Ra3 Nd3 36. Qg3 Rxf2+ 37. Kg1 Rf8 38. Rxa4 Qd4+ 39. Kg2 Rf2+ 40. Kh3
Nf4+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.3"]
[White "Thorfinnsson, Bragi"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2431"]
[BlackElo "2346"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Paulsen attack"]
[WhiteFideId "2300958"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. O-O Bd7 8. cxd4
Nge7 9. Nc3 Nf5 10. Na4 Qa5 11. Bd2 Qd8 12. Bf4 Be7 13. g4 Nh4 14. Nxh4 Bxh4 15.
Nc5 Bc8 16. Bg3 O-O 17. Rc1 Be7 18. a3 Na5 19. Rc3 b6 20. Nd3 Bb7 21. f4 Rc8 22.
Rxc8 Bxc8 23. f5 Nc6 24. fxe6 Bxe6 25. Bf2 Bg5 26. Qe1 Qd7 27. h4 Be7 28. Qd1 f6
29. exf6 Rxf6 30. g5 Rf8 31. Be3 Bf5 32. Nf4 Be4 33. Bg4 Qd6 34. Be6+ Kh8 35.
Qg4 Nd8 36. Bd7 g6 37. Ne2 Rxf1+ 38. Kxf1 Bf8 39. Nc3 Bd3+ 40. Kg1 Bg7 41. Bf2
Kg8 42. Bc8 Bc4 43. Kg2 Nc6 44. Be6+ Kh8 45. Bf7 Ne7 46. Bg3 Qd8 47. Be6 Bd3 48.
h5 Bf5 49. Qe2 gxh5 50. Nb5 h4 51. Nd6 Bg6 52. Be5 Nc6 53. Nf7+ Bxf7 54. Bxf7
Qxg5+ 55. Kh1 Nxe5 56. dxe5 Qxe5 57. Qxe5 Bxe5 58. Bxd5 Bxb2 59. a4 Be5 60. Kg2
Kg7 61. Kh3 Bg3 62. Bc6 Kf6 63. Kg2 Ke5 64. Kh3 Kd6 65. Be8 a6 66. Kg2 Be1 67.
Kh3 Kc5 68. Kg2 b5 69. Bxb5 axb5 70. axb5 Kxb5 71. Kh1 Kc4 72. Kg2 Kd3 73. Kh2
Ke3 74. Kg2 Ke2 75. Kg1 h6 76. Kg2 Bf2 77. Kh2 Kf1 78. Kh1 Bg1 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.4"]
[White "Stefansson, Hannes"]
[Black "Kjartansson, Gudmundur"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2521"]
[BlackElo "2402"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "2300087"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d5 6. Qc2 dxe4 7. dxe4 Qe7 8. O-O
O-O 9. a4 a5 10. Nbd2 Nb8 11. Nb3 Bb6 12. Nfd2 c6 13. Be2 Be6 14. Nc4 Bc7 15.
Bg5 Nbd7 16. Bh4 h6 17. Rfd1 Rfd8 18. f3 b5 19. axb5 a4 20. Nbd2 cxb5 21. Na3 b4
22. cxb4 Bb6+ 23. Kh1 Qxb4 24. Nb5 Rdc8 25. Qb1 Ra5 26. Na3 Bd4 27. Nc2 Qxb2 28.
Nxd4 Qxb1 29. Nxb1 exd4 30. Rxd4 Nc5 31. Rd1 Nb3 32. Ra3 Rac5 33. Be1 Rc2 34.
Nc3 R2xc3 35. Bxc3 Rxc3 36. Bb5 Nd7 37. Bxa4 Ndc5 38. Bxb3 Nxb3 39. h4 g5 40.
hxg5 hxg5 41. Kh2 Kg7 42. Ra8 Rc2 43. Rad8 Kf6 44. Kg3 Na5 45. R8d2 Rc3 46. Rd3
Rc5 47. Kf2 Nc6 48. R1d2 Ne5 49. Re3 Rc1 50. Re1 Rc3 51. Ra1 g4 52. fxg4 Nxg4+
53. Kg1 Ke5 54. Rb2 Kxe4 55. Rb4+ Kf5 56. Rb5+ Kg6 57. Rb2 Bd5 58. Rd2 Be4 59.
Rda2 Rg3 60. Re1 f5 61. Rae2 Rc3 62. Ra2 Kg5 63. Rea1 Rg3 64. Re1 Kh4 65. Rea1
Ne3 66. Re1 Nxg2 67. Rxe4+ fxe4 68. Rxg2 Kg4 69. Kf1 Rxg2 70. Kxg2 e3 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.5"]
[White "Heimisson, Hilmir Freyr"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2353"]
[BlackElo "2470"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "2309998"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8.
Rxe5 O-O 9. Nc3 Ne8 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Be7 13. Nf5 Bg5 14. d4 Bxc1
15. Rxc1 d5 16. Ne7+ Kh8 17. Nxc8 Rxc8 18. c3 Nf6 19. Bd3 Re8 20. Rc2 Rc7 21.
Rce2 Rce7 22. f3 g6 23. Qd2 Kg7 24. Kf2 Rxe2+ 25. Rxe2 Rxe2+ 26. Qxe2 Qe8 27.
Qd2 Qb8 28. g3 Qd6 29. Qe3 h5 30. h4 a5 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.15"]
[Round "1.6"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2466"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, 5.Bd3"]
[WhiteFideId "2302241"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4
Nbd7 9. Nc3 Ne5 10. f4 Nxd3 11. Qxd3 Be7 12. b3 b6 13. Bb2 O-O 14. Kh1 Bb7 15.
f5 e5 16. Nc2 b5 17. cxb5 axb5 18. Nb4 Qc5 19. a3 Rfc8 20. Rae1 h6 21. h3 Bd8
22. Qxb5 Bxe4 23. Qxc5 dxc5 24. Nxe4 cxb4 25. a4 Nd7 26. Rd1 Rc2 27. Rxd7 Rxb2
28. f6 Bxf6 29. Nxf6+ gxf6 30. Rxf6 Rxb3 31. Rfxf7 Rg3 32. Rfe7 b3 33. Rb7 Kf8
34. Kh2 Rg6 35. Rxe5 Rxa4 36. Rc5 Ra8 37. Rxb3 Kg8 38. g4 Ra7 39. Kg3 Kh7 40.
Kh4 Rd7 41. Rb8 Rg8 42. Rbb5 Rg6 43. Kh5 Rdg7 44. Rf5 Rg8 45. Kh4 Rd6 46. Rfe5
Kg6 47. Rb7 Ra6 48. Re3 Rc6 49. Rb5 Rgc8 50. Ree5 R8c7 51. Re3 Rc8 52. Rf3 R8c7
53. Kg3 Rc3 54. Rb6+ Kg7 55. Rb3 Rxb3 56. Rxb3 Rc6 57. h4 h5 58. g5 Rc4 59. Rb7+
Kg6 60. Rb6+ Kg7 61. Rh6 Rg4+ 62. Kh3 Ra4 63. Rxh5 Ra6 64. Kg4 Rb6 65. Rh6 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.1"]
[White "Ptacnikova, Lenka"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[WhiteTitle "WGM"]
[BlackTitle "GM"]
[WhiteElo "2099"]
[BlackElo "2466"]
[ECO "E67"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation"]
[WhiteFideId "305650"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O e5 8. dxe5
dxe5 9. Bg5 h6 10. Bd2 c6 11. Ne1 Re8 12. Nc2 Qe7 13. Rb1 a5 14. b3 Nc5 15. Ne3
Nfd7 16. a3 Ne6 17. b4 axb4 18. axb4 Nd4 19. c5 Nf6 20. Nc4 Bf5 21. Rb2 Red8 22.
Nd6 Be6 23. b5 Ra3 24. bxc6 bxc6 25. Rb7 Qf8 26. Nce4 Nxe4 27. Bxe4 f5 28. e3
fxe4 29. exd4 exd4 30. Nxe4 Bd5 31. f3 Rda8 32. Bf4 Bxe4 33. fxe4 Qxc5 34. Qg4
d3+ 35. Kh1 R3a7 36. Rxa7 Qxa7 37. Qxg6 Rf8 38. Qxc6 Qd4 39. Qd5+ Qxd5 40. exd5
Rf5 41. d6 Rd5 42. Kg2 h5 43. Kf3 d2 44. Rd1 Bc3 45. Ke2 Bb4 46. Bxd2 Bxd6 47.
Bf4 Rxd1 48. Kxd1 Be7 49. Ke2 Kf7 50. Kf3 Kg6 51. Ke4 Bf6 52. h3 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2539"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "2308649"]
[BlackFideId "2302241"]
[EventDate "2023.05.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 h5 7. Be3 e6 8. h3 b5
9. a3 Bb7 10. Bd3 Nc6 11. Nxc6 Bxc6 12. g4 hxg4 13. hxg4 g6 14. Qd2 Bg7 15. Bd4
e5 16. Be3 Qd7 17. g5 Ng4 18. O-O-O Nxe3 19. Qxe3 Qa7 20. Qxa7 Rxa7 21. Rh1 Rxh1
22. Rxh1 f6 23. gxf6 Bxf6 24. Nd5 Rf7 25. Kd1 Kf8 26. c3 Kg7 27. Ke2 Bd8 28. b4
a5 29. Rb1 Ra7 30. c4 axb4 31. Nxb4 bxc4 32. Nxc6 cxd3+ 33. Kd1 Ra8 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.3"]
[White "Kjartansson, Gudmundur"]
[Black "Heimisson, Hilmir Freyr"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2402"]
[BlackElo "2353"]
[ECO "A37"]
[Opening "English"]
[Variation "symmetrical, Botvinnik system reversed"]
[WhiteFideId "2301318"]
[BlackFideId "2309998"]
[EventDate "2023.05.15"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. Nd2 Nge7 8. Nf1
Rb8 9. Ne3 a6 10. Ned5 Nxd5 11. Nxd5 O-O 12. h4 h6 13. Bd2 Bg4 14. Qc1 Kh7 15.
h5 g5 16. Ne3 Be6 17. g4 Ne7 18. Be4+ f5 19. gxf5 Nxf5 20. f3 Kh8 21. Nxf5 Bxf5
22. Bxg5 Qxg5 23. Qxg5 hxg5 24. h6 Bxe4 25. hxg7+ Kxg7 26. dxe4 Rf6 27. a4 Rg6
28. Rg1 Kf6 29. Kf2 Rh8 30. Rad1 Ke6 31. Rh1 Rgh6 32. Rxh6+ Rxh6 33. Kg3 Rh4 34.
Kg2 Rh8 35. Rh1 Rb8 36. Kg3 b5 37. cxb5 axb5 38. a5 Ra8 39. Ra1 d5 40. a6 d4 41.
b3 c4 42. bxc4 bxc4 43. Kg4 d3 44. exd3 cxd3 45. Rd1 Rxa6 46. Rxd3 Ra1 47. Rb3
Rg1+ 48. Kh5 Kf6 49. Rb6+ Kf7 50. Ra6 Rg3 51. Ra3 Kf6 52. Ra6+ Kf7 53. Ra3 Kf6
54. Ra6+ 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.4"]
[White "Ragnarsson, Dagur"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2346"]
[BlackElo "2521"]
[ECO "E25"]
[Opening "Nimzo-Indian"]
[Variation "Saemisch, Keres variation"]
[WhiteFideId "2304058"]
[BlackFideId "2300087"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8.
dxc5 Qa5 9. e4 Ne7 10. Be3 O-O 11. Qb3 Qc7 12. Bb5 Nec6 13. f4 Na5 14. Qb1 Nd7
15. Bxd7 Bxd7 16. Ne2 Nc4 17. Bd4 b6 18. Qb4 b5 19. Qb1 Bc6 20. Ra2 f6 21. O-O
e5 22. fxe5 fxe5 23. Rxf8+ Rxf8 24. Bf2 Qf7 25. Ng3 Nxa3 26. Qa1 Nc4 27. Qe1 a5
28. Ra1 Qb7 29. Rd1 a4 30. Nf5 Bxe4 31. Nd6 Nxd6 32. cxd6 Bxg2 33. Qxe5 Qf7 34.
Bh4 Bc6 35. Qe3 a3 36. Be7 Ra8 37. Rf1 Qxf1+ 38. Kxf1 a2 39. Qe6+ Kh8 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.5"]
[White "Danielsen, Henrik"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2501"]
[BlackElo "2431"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "1400185"]
[BlackFideId "2300958"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 O-O 6. Be2 Nbd7 7. Bb2 a5 8. b5
a4 9. Rb1 c5 10. bxc6 bxc6 11. O-O Qa5 12. c4 Ba6 13. Qc2 c5 14. Rfc1 cxd4 15.
Bxd4 Rfc8 16. Qd1 Ne8 17. cxd5 Bxe2 18. Qxe2 Qxd5 19. Nc4 Rab8 20. Rxb8 Nxb8 21.
Bxg7 Nxg7 22. Nfd2 Ne6 23. Qd1 Qc6 24. Rb1 Nd7 25. Rb4 Ndc5 26. Qf3 Qxf3 27.
gxf3 Rd8 28. Kg2 Rd3 29. Ne4 Nxe4 30. fxe4 Nc5 31. Kf3 Rc3 32. Nb6 Rc2 33. Rc4
Rxc4 34. Nxc4 f6 35. e5 f5 36. Ke2 Kf7 37. f4 Ke6 38. Nb6 g5 39. fxg5 Kxe5 40.
Kf3 Kd6 41. h4 e5 42. a3 Ke6 43. Kg3 Ne4+ 44. Kh3 Nc3 45. h5 Nb5 46. Nc4 Nc7 47.
h6 Nd5 48. Nb6 Ne7 49. Nxa4 Kf7 50. Nc5 Kg6 51. Kh4 f4 52. e4 Kf7 53. a4 Ng6+
54. Kg4 Ke7 55. a5 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.16"]
[Round "2.6"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Ingvason, Johann"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2338"]
[BlackElo "2076"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "14142805"]
[BlackFideId "2301431"]
[EventDate "2023.05.15"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 b6 8. O-O O-O
9. Nc3 Bb7 10. Qc2 Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bd3 Ba3 15.
Bc3 Bb4 16. Bxb4 Qxb4 17. c5 bxc5 18. a3 Qa5 19. dxc5 Ba6 20. Bxa6 Qxa6 21. Ne5
Rfd8 22. b4 Rd5 23. Nc4 Rad8 24. Rfc1 h5 25. a4 Rd4 26. Rab1 Rb8 27. Qc3 Rd5 28.
Qc2 Qc8 29. Nd6 Qc7 30. h3 Nd7 31. Rd1 a5 32. Rxd5 exd5 33. Qf5 Nf6 34. Qg5 Rxb4
35. Re1 Ne4 36. Qxh5 Rb8 37. Nxe4 dxe4 38. Qf5 Rb4 39. g3 g6 40. Qf6 Qd7 41. Qd6
Qxd6 42. cxd6 Rd4 43. d7 Rxd7 44. Rxe4 Rd1+ 45. Kg2 Rd5 46. Kf3 Rc5 47. Ke3 f5
48. Re8+ Kf7 49. Ra8 Ke6 50. Kd3 Rd5+ 51. Kc4 Rd2 52. Rxa5 Rxf2 53. Ra8 Rc2+ 54.
Kb3 Rg2 55. a5 Rxg3+ 56. Kb4 Kd6 57. Rh8 c5+ 58. Kc4 Ra3 59. Rd8+ Kc6 60. Rc8+
Kd6 61. Rd8+ Kc7 62. Rg8 Rxa5 63. Rxg6 Kd7 64. Rf6 f4 65. Kd5 Ra4 66. Ke5 Ra3
67. Rxf4 Rxh3 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.1"]
[White "Ingvason, Johann"]
[Black "Ptacnikova, Lenka"]
[Result "0-1"]
[BlackTitle "WGM"]
[WhiteElo "2076"]
[BlackElo "2099"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2301431"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 O-O 5. Bg2 d5 6. a3 Be7 7. Ngf3 b6 8. O-O
Bb7 9. cxd5 exd5 10. b4 Nbd7 11. Bb2 c5 12. dxc5 bxc5 13. bxc5 Nxc5 14. Nb3 Nce4
15. Nfd4 Re8 16. Nf5 Bf8 17. Bd4 Ba6 18. Ra2 Qc8 19. Bxf6 Qxf5 20. Ba1 Rac8 21.
Nd4 Qd7 22. Bxe4 dxe4 23. Rd2 Bc4 24. Bb2 Qh3 25. Kh1 Rc5 26. Rg1 Rh5 27. Rg2 e3
28. fxe3 Rxe3 29. Nf3 Qe6 30. Bd4 Rxa3 31. Bg1 Rd5 32. e3 Rad3 33. Rge2 Qe4 34.
Kg2 Rf5 35. Rf2 Rxe3 36. Rd8 Bd5 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.2"]
[White "Thorfinnsson, Bragi"]
[Black "Domalchuk-Jonasson, Aleksandr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2431"]
[BlackElo "2338"]
[ECO "D27"]
[Opening "QGA"]
[Variation "classical, 6...a6"]
[WhiteFideId "2300958"]
[BlackFideId "14142805"]
[EventDate "2023.05.15"]

1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Bxc4 e6 5. d4 c5 6. O-O a6 7. Bb3 Nbd7 8. Nc3
b5 9. e4 cxd4 10. Qxd4 Bc5 11. Qd3 b4 12. Ne2 Bb7 13. Ng3 Qb6 14. Ba4 Rd8 15.
Bg5 O-O 16. Qe2 h6 17. Bh4 Be7 18. Bxd7 Rxd7 19. Ne5 Rc7 20. Ng4 Nxg4 21. Bxe7
Nxh2 22. Bxf8 Nxf1 23. Rxf1 Kxf8 24. Rd1 Rc8 25. Qd2 a5 26. Qf4 Qc7 27. e5 Bd5
28. Nh5 Qd8 29. Qe3 Qe7 30. a3 bxa3 31. bxa3 a4 32. Nf4 Bb3 33. Rd6 Qc7 34. Qe4
Kg8 35. Nh5 Qc1+ 36. Kh2 Qg5 37. Ng3 h5 38. Rd4 g6 39. Rb4 Kg7 40. Kh3 Rc5 41.
Qa8 Bd5 42. Qxa4 Qxe5 43. Qe8 Bc6 44. Qe7 Rc2 45. f3 Qc5 46. Qxc5 Rxc5 47. Ne2
Ra5 48. Rb3 Bd5 49. Rc3 Ra4 50. Kg3 Kf6 51. Kf2 g5 52. Re3 Ra8 53. Nc3 Bc6 54.
Ne2 Rb8 55. Nd4 Bd5 56. Rc3 Rb2+ 57. Rc2 Rb1 58. Rc7 Rb2+ 59. Kg3 Ke5 60. Nc2
Kd6 61. Rc8 Kd7 62. Rc5 Rb3 63. Ra5 Ke7 64. a4 Kf6 65. Rc5 g4 66. Ne1 Ra3 67. a5
Ke5 68. Nc2 Ra4 69. Rb5 h4+ 70. Kf2 Ra2 71. Rc5 Kf4 72. Ke1 gxf3 73. gxf3 h3 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.3"]
[White "Stefansson, Hannes"]
[Black "Danielsen, Henrik"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2521"]
[BlackElo "2501"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "Nimzovich attack"]
[WhiteFideId "2300087"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8.
Qd2 Be6 9. O-O-O Qd7 10. Kb1 Bf6 11. Ng5 Bxg5 12. Bxg5 f6 13. Be3 O-O-O 14. b3
Kb8 15. f3 Qf7 16. Bf2 Rhe8 17. Bb5 Bd7 18. h3 Re7 19. Rhe1 Rde8 20. Rxe7 Rxe7
21. Kb2 Ne5 22. Bf1 h6 23. a4 Nc6 24. g3 Qe8 25. f4 Bf5 26. a5 Be4 27. a6 b6 28.
g4 Bf3 29. Ra1 Nd8 30. c4 Nf7 31. Qc3 Ba8 32. b4 Re4 33. c5 Bc6 34. cxb6 Rxf4
35. bxc7+ Kc8 36. Bxa7 Ne5 37. Bb6 Ba8 38. Be3 Rf3 39. Re1 Bd5 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.4"]
[White "Heimisson, Hilmir Freyr"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2353"]
[BlackElo "2346"]
[ECO "C71"]
[Opening "Ruy Lopez"]
[Variation "modern Steinitz defence"]
[WhiteFideId "2309998"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. c3
dxc3 9. Qh5 g6 10. Qd5 Be6 11. Qc6+ Bd7 12. Qxc3 Qf6 13. Qa5 Bg7 14. Nc3 Qd8 15.
a4 bxa4 16. Bxa4 Ne7 17. Bg5 f6 18. Be3 O-O 19. O-O Bxa4 20. Qxa4 Kh8 21. Qc4
Qc8 22. Rfc1 Qb7 23. h4 c6 24. Qe6 d5 25. Bc5 Rae8 26. Qh3 f5 27. exd5 cxd5 28.
h5 gxh5 29. Ne2 f4 30. Nd4 Rg8 31. Qxh5 Ng6 32. Nf3 Bf6 33. Rd1 Ne5 34. Re1 Qg7
35. Qh3 Nd3 36. Rxe8 Rxe8 37. Bb6 Qb7 38. Qf5 Qxb6 39. Qxd3 a5 40. Rd1 Qxb2 41.
Rb1 Qe2 42. Qxd5 Qe4 43. Qb5 Rg8 44. Rb3 a4 45. Ra3 Ra8 46. Kh2 Be7 47. Nd2 Qd4
48. Rd3 Qc5 49. Qb7 Rd8 50. Qb2+ Kg8 51. Ne4 Qc6 52. Rxd8+ Bxd8 53. Qb4 a3 54.
Nd6 Qd5 55. Qb8 Qh5+ 56. Kg1 Qd1+ 57. Kh2 Qh5+ 58. Kg1 Qd1+ 59. Kh2 Qh5+ 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.5"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Kjartansson, Gudmundur"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2402"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "2302241"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8.
Ba4 O-O 9. Bg5 h6 10. Bh4 d6 11. Nd2 g5 12. Bg3 Bg4 13. Qe1 Nh5 14. Kh1 Be6 15.
Bb3 Qd7 16. f3 f5 17. exf5 Bxb3 18. axb3 Qxf5 19. Qe4 c6 20. Qxf5 Rxf5 21. Nc4
Bc7 22. Bf2 Nf4 23. Rxa7 Rxa7 24. Bxa7 Rf8 25. Be3 Nxd3 26. Rd1 Nf4 27. Bb6 Bxb6
28. Nxb6 d5 29. Nd7 Rf5 30. g4 Rf7 31. Nxe5 Re7 32. Re1 Kg7 33. Nd3 Rxe1+ 34.
Nxe1 Kf6 35. Kg1 Ke5 36. Kf2 d4 37. Nc2 d3 38. Ne3 Nh3+ 39. Kg3 Nf4 40. Kf2 Nh3+
41. Kg3 b5 42. b4 Nf4 43. Nf1 Nd5 44. Kf2 Nb6 45. Ne3 Nc4 46. b3 Nd2 47. Nd1 Kf4
48. Nb2 Nxf3 49. Nxd3+ Ke4 50. Nc5+ Kf4 51. Ne6+ Kxg4 52. h3+ Kf5 53. Nd8 Ne5
54. Kg3 h5 55. c4 h4+ 56. Kg2 g4 57. hxg4+ Kxg4 58. Nxc6 h3+ 59. Kh2 Nxc6 60.
cxb5 Nd8 61. b6 Nb7 62. b5 Kh4 63. Kh1 Kg3 64. b4 Nd6 65. b7 Nxb7 66. b6 Nd6 67.
b7 Nxb7 68. b5 Nd6 69. b6 Ne4 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.17"]
[Round "3.6"]
[White "Hjartarson, Johann"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2466"]
[BlackElo "2470"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line, 5...c6"]
[WhiteFideId "2300044"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Qc2
h6 9. Bh4 Re8 10. Nf3 Be6 11. O-O Nbd7 12. Rab1 a5 13. Rfe1 Qb8 14. Bg3 Bxg3 15.
hxg3 Qd6 16. Rbc1 Rac8 17. a3 b5 18. Ne2 Bg4 19. Nd2 Bxe2 20. Bxe2 a4 21. Bd3
Nb6 22. Nb1 Ne4 23. Bxe4 Rxe4 24. Nd2 Ree8 25. Qc5 Qc7 26. e4 dxe4 27. Rxe4 Rxe4
28. Nxe4 Nc4 29. Nc3 Qb6 30. Nxa4 Qxc5 31. dxc5 Rd8 32. Rc2 Rd1+ 33. Kh2 Rb1 34.
g4 g5 35. g3 Kg7 36. Kg2 Kf6 37. Nb6 Rxb2 38. Rxb2 Nxb2 39. f4 Nd3 40. Nd7+ Ke6
41. Nb8 Kd5 42. fxg5 hxg5 43. Na6 Ne5 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.1"]
[White "Ptacnikova, Lenka"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "IM"]
[WhiteElo "2099"]
[BlackElo "2470"]
[ECO "A13"]
[Opening "English"]
[Variation "Neo-Catalan accepted"]
[WhiteFideId "305650"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 b5 8.
Qb3 Bb7 9. d4 c5 10. dxc5 Rc8 11. Nc3 Nxc5 12. Qd1 Qxd1 13. Nxd1 Bd6 14. Bf4
Bxf4 15. gxf4 Nd5 16. e3 Ke7 17. Nd4 Rhd8 18. Bxd5 Bxd5 19. Nc3 Nd3 20. Rab1 Bb7
21. Nce2 Be4 22. Ng3 Bg6 23. f5 exf5 24. Ngxf5+ Kf6 25. Ng3 Nb4 26. Ra1 Nc2 27.
Nxc2 Rxc2 28. Rfc1 Rdd2 29. Rxc2 Rxc2 30. b4 Rb2 31. a3 Ke6 32. Rc1 Rc2 33. Rxc2
Bxc2 34. Nf1 g5 35. Nd2 Kd5 36. Kg2 h5 37. Kg3 h4+ 38. Kg2 f5 39. Kf1 h3 40. Kg1
Bd1 41. Kf1 f4 42. Ke1 Bc2 43. Ke2 g4 44. Kf1 Ke5 45. Kg1 Kf5 46. Kf1 Be4 47.
exf4 Bd3+ 48. Kg1 Kxf4 49. Nb3 Bf5 50. Nc5 Bc8 51. Kf1 Ke5 52. Nb3 Kd5 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.2"]
[White "Kjartansson, Gudmundur"]
[Black "Hjartarson, Johann"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2402"]
[BlackElo "2466"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "2301318"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4
d6 9. Rd1 O-O 10. Bg5 Nbd7 11. Nb5 d5 12. cxd5 exd5 13. Nc3 h6 14. Be3 Re8 15.
Qd3 Nc5 16. Qf5 g6 17. Qc2 Bf8 18. Bd4 Bg7 19. e3 Qe7 20. Bxf6 Qxf6 21. Nd4 Ne4
22. Rac1 a6 23. Bh3 Re7 24. Nxe4 dxe4 25. b4 h5 26. a4 h4 27. Nc6 Rc7 28. b5
axb5 29. axb5 hxg3 30. hxg3 Qb2 31. Bd7 Qxc2 32. Rxc2 Kf8 33. Kg2 Bf6 34. Rc4
Kg7 35. Na5 Rxc4 36. Nxc4 Ra2 37. Nd6 Bg5 38. Nxb7 Bxe3 39. Rf1 Bd4 40. Kg1 Rd2
41. Bc6 f5 42. Nd6 Rc2 43. Ne8+ Kh6 44. Nc7 e3 45. Ne6 Be5 46. fxe3 Bxg3 47. Rf3
Bh4 48. e4 fxe4 49. Bxe4 Re2 50. Rf4 Bg5 51. Rg4 Be3+ 52. Kf1 Rf2+ 53. Ke1 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.3"]
[White "Ragnarsson, Dagur"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2346"]
[BlackElo "2539"]
[ECO "A13"]
[Opening "English"]
[Variation "Neo-Catalan accepted"]
[WhiteFideId "2304058"]
[BlackFideId "2302241"]
[EventDate "2023.05.15"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. d4 b5 8. Qc2
Na6 9. dxc5 Rc8 10. O-O Bxc5 11. Qd1 b4 12. a4 Bc6 13. Qxd8+ Kxd8 14. Nbd2 Ke7
15. Ne5 Bd5 16. Nd3 Rhd8 17. Bxd5 Nxd5 18. Nb3 Bd6 19. Bd2 e5 20. f3 Nb6 21.
Rfc1 Nc4 22. Be1 f5 23. g4 Ke6 24. gxf5+ Kxf5 25. Bf2 Rd7 26. Nd2 Rdc7 27. Nxc4
Rxc4 28. Rxc4 Rxc4 29. Bxa7 b3 30. Rc1 Rxa4 31. Rc6 Ke6 32. Rb6 Kd7 33. Rxb3 e4
34. fxe4 Rxe4 35. Kf1 Rh4 36. h3 Nc7 37. Bf2 Rh5 38. e4 Ne6 39. Kg2 Rg5+ 40. Kf3
Ra5 41. h4 h5 42. Rb7+ Kc6 43. Rb6+ Kd7 44. Bg3 Bxg3 45. Kxg3 g5 46. Rb7+ Kd6
47. hxg5 Rxg5+ 48. Kf2 h4 49. Rh7 Rg4 50. Rh6 Rxe4 51. Kf3 Rc4 52. Ke3 Kd5 53.
Rh5+ Kd6 54. Rh6 Kd5 55. Rh5+ Kd6 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.4"]
[White "Danielsen, Henrik"]
[Black "Heimisson, Hilmir Freyr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2501"]
[BlackElo "2353"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1400185"]
[BlackFideId "2309998"]
[EventDate "2023.05.15"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. O-O c5 5. c4 d4 6. d3 Nc6 7. e3 h6 8. exd4 cxd4
9. Bf4 Nd7 10. Re1 Bb4 11. Nbd2 a5 12. a3 Be7 13. Nb3 g5 14. Be5 Rg8 15. g4 a4
16. Nc1 h5 17. h3 hxg4 18. hxg4 Ncxe5 19. Nxe5 Bd6 20. Nf3 Qf6 21. Ne2 Ne5 22.
Nxe5 Bxe5 23. Ng3 Bxg3 24. fxg3 Rh8 25. Rf1 Qg7 26. Qf3 Ra6 27. c5 Rc6 28. Rac1
Bd7 29. Rce1 Rc7 30. Qd5 Qh6 31. Qxd4 Qh2+ 32. Kf2 Bc6 33. Rg1 Rh6 34. Kf1 Rd7
35. Qf2 Rxd3 36. Bxc6+ bxc6 37. Rg2 Qh3 38. Re3 Rxe3 39. Qxe3 Qxg4 40. Qe5 Qd1+
41. Kf2 Rh1 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.5"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2338"]
[BlackElo "2521"]
[ECO "E39"]
[Opening "Nimzo-Indian"]
[Variation "classical, Pirc variation"]
[WhiteFideId "14142805"]
[BlackFideId "2300087"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6 8. Bg5
Bb7 9. e3 h6 10. Bh4 Be7 11. Be2 d6 12. O-O Nbd7 13. Rfd1 Qc7 14. h3 a6 15. Rac1
Rac8 16. Bg3 Rfd8 17. Nd2 Qb8 18. Qb1 Qa8 19. Bf3 Bxf3 20. Nxf3 Nf8 21. Nd2 Qb7
22. Qd3 Ng6 23. Qe2 h5 24. Bh2 h4 25. Nf3 Qc6 26. Na2 Ne4 27. Nd4 Qb7 28. Nc3
Nxc3 29. Rxc3 d5 30. Rdc1 e5 31. Nf5 Bf6 32. cxd5 Rxc3 33. bxc3 Qxd5 34. e4 Qa5
35. Qb2 Bg5 36. Rb1 Qa4 37. Ne3 Bxe3 38. fxe3 Qxe4 39. Qxb6 Rd2 40. Qb7 Rd1+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.18"]
[Round "4.6"]
[White "Ingvason, Johann"]
[Black "Thorfinnsson, Bragi"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2076"]
[BlackElo "2431"]
[ECO "A56"]
[Opening "Benoni defence"]
[WhiteFideId "2301431"]
[BlackFideId "2300958"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 d6 7. Nc3 e6 8. O-O exd5
9. cxd5 Re8 10. Bf4 a6 11. a4 Nh5 12. Bg5 Qb6 13. Qc1 Nd7 14. a5 Qc7 15. e4 Rb8
16. h3 b5 17. axb6 Rxb6 18. Re1 Rb4 19. g4 Nhf6 20. Qc2 h5 21. gxh5 Nxh5 22. Be3
Ne5 23. Nxe5 Bxe5 24. Qd2 Qb7 25. Re2 Bd7 26. Rae1 Bb5 27. Nxb5 Qxb5 28. Qc1 a5
29. f4 Bxb2 30. Rxb2 Rxb2 31. f5 Ng3 32. Qd1 Re2 33. fxg6 fxg6 34. Bf2 Qb2 35.
Rxe2 Nxe2+ 36. Kf1 Nf4 37. Qg4 Qa1+ 38. Be1 Rf8 39. Bf3 a4 40. h4 a3 41. h5 a2
42. hxg6 Qg7 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.1"]
[White "Thorfinnsson, Bragi"]
[Black "Ptacnikova, Lenka"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WGM"]
[WhiteElo "2431"]
[BlackElo "2099"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "2300958"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 a5 8. Re1
h6 9. h3 c6 10. Ba2 Re8 11. Be3 Bf8 12. Nd2 exd4 13. Bxd4 b6 14. f4 Nc5 15. Qf3
Ne6 16. Bf2 Bb7 17. Nc4 Ra6 18. e5 dxe5 19. fxe5 Nd7 20. Rad1 Qc7 21. Qg3 Bc5
22. Ne4 Bxf2+ 23. Nxf2 Ndc5 24. Ng4 Kh8 25. Nd6 Rf8 26. Qh4 Kh7 27. c3 Rh8 28.
Rf1 Qd8 29. Nf6+ gxf6 30. Nxf7 Qf8 31. Rxf6 Kg7 32. Qh5 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.2"]
[White "Stefansson, Hannes"]
[Black "Ingvason, Johann"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2521"]
[BlackElo "2076"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "2300087"]
[BlackFideId "2301431"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8.
Qxd8+ Kxd8 9. h3 Ke8 10. Nc3 Ne7 11. Re1 Ng6 12. a3 Be7 13. Ne4 Bd7 14. Kh2 Rd8
15. Bd2 c5 16. Nf6+ gxf6 17. exf6 Be6 18. fxe7 Kxe7 19. Bg5+ f6 20. Be3 b6 21.
b4 Kf7 22. bxc5 bxc5 23. Bxc5 a6 24. Re3 Rhe8 25. Rc3 Nf4 26. Bd4 Rd7 27. Rc6
Ne2 28. c3 Rb8 29. Rxa6 c5 30. Bxc5 Nxc3 31. Rc1 Ne2 32. Rc2 Rc8 33. Rxe6 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.3"]
[White "Heimisson, Hilmir Freyr"]
[Black "Domalchuk-Jonasson, Aleksandr"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2353"]
[BlackElo "2338"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz, Boleslavsky variation"]
[WhiteFideId "2309998"]
[BlackFideId "14142805"]
[EventDate "2023.05.15"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 b5
9. Bd3 Be7 10. O-O Qc7 11. Qe1 b4 12. axb4 Nxb4 13. Rc1 cxd4 14. Nxd4 g6 15. Be2
Nb6 16. Nd1 Bd7 17. Bf2 Nc6 18. Nb3 Nc4 19. Kh1 Nd8 20. Bh4 g5 21. Bg3 h5 22. h3
h4 23. Bh2 gxf4 24. Bxf4 Rb8 25. Nd4 Qa7 26. b3 Qxd4 27. bxc4 dxc4 28. Ne3 Bc6
29. Rd1 Qc5 30. Ng4 Bd5 31. Bf3 Rb7 32. Ne3 Bxf3 33. Rxf3 Nc6 34. Qf1 Na5 35.
Bh2 Rh7 36. Bg1 Qc6 37. Rf4 Rc7 38. Rg4 Rh8 39. Rg7 Bf8 40. Qf6 Nb7 41. Rg4 Rh6
42. Qf1 Nc5 43. Nxc4 Rd7 44. Rxd7 Qxd7 45. Nd6+ Bxd6 46. Rg8+ Ke7 47. Qf4 Ne4
48. exd6+ Qxd6 49. Qxe4 Rh5 50. c4 Qd1 51. c5 Rxc5 52. Qxh4+ 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.4"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Danielsen, Henrik"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2501"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "classical attack"]
[WhiteFideId "2302241"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8.
Nbd2 Bf5 9. Re1 Nxd2 10. Qxd2 Bxd3 11. Qxd3 O-O 12. c3 Qd7 13. Bf4 Rae8 14. Qb5
b6 15. g3 Bd8 16. Kg2 Ne5 17. Qxd7 Nxd7 18. a4 f6 19. h4 h5 20. b4 Rxe1 21. Rxe1
a6 22. b5 a5 23. Nd2 Rf7 24. c4 dxc4 25. Nxc4 Nf8 26. d5 Ng6 27. Re8+ Rf8 28.
Re6 Kf7 29. Kf3 Re8 30. Rxe8 Kxe8 31. Be3 Ne7 32. Ke4 Nc8 33. Kf5 Kf7 34. Bf4
g6+ 35. Ke4 g5 36. hxg5 fxg5 37. Be5 Kg6 38. f4 h4 39. g4 gxf4 40. Bxf4 Kf6 41.
Bh2 Kg5 42. Kf3 Ne7 43. Ne5 Nxd5 44. Nf7+ Kf6 45. Nxd8 Nc3 46. Bxc7 Nxa4 47. Nc6
Ke6 48. Nd4+ Kd7 49. g5 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.5"]
[White "Hjartarson, Johann"]
[Black "Ragnarsson, Dagur"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2466"]
[BlackElo "2346"]
[ECO "A28"]
[Opening "English"]
[Variation "four knights, Romanishin variation"]
[WhiteFideId "2300044"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. Be2 d6 8. e4
h6 9. O-O Nh7 10. d4 Qf6 11. Be3 Bg4 12. Rfd1 Rfe8 13. d5 Ne7 14. c5 Ng6 15. Ne1
Bxe2 16. Qxe2 Nf4 17. Qc2 dxc5 18. Bxc5 c6 19. g3 cxd5 20. gxf4 Qg6+ 21. Kh1
exf4 22. e5 Qh5 23. Bd4 Ng5 24. Qf5 Re6 25. Ng2 Rg6 26. Rd3 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.19"]
[Round "5.6"]
[White "Stefansson, Vignir Vatnar"]
[Black "Kjartansson, Gudmundur"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2402"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "2308649"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4
Bb7 9. axb5 a6 10. bxa6 Nxa6 11. Qxc4 Bd5 12. Qc3 c5 13. Be3 Ne4 14. Qe1 Nb4 15.
Rxa8 Qxa8 16. Nc3 Nxc3 17. bxc3 Nc2 18. Qd2 Nxe3 19. Qxe3 h6 20. Qf4 Bg5 21. Qd6
cxd4 22. cxd4 Rd8 23. Qb4 Be4 24. Ne1 Bxg2 25. Nxg2 Qe4 26. e3 e5 27. Qb1 Qxb1
28. Rxb1 exd4 29. Rd1 dxe3 30. Rxd8+ Bxd8 31. Nxe3 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.1"]
[White "Ptacnikova, Lenka"]
[Black "Kjartansson, Gudmundur"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "GM"]
[WhiteElo "2099"]
[BlackElo "2402"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "305650"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4
Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6 11. Bxc6 bxc6 12. Qxc4 Qd5 13. Qxd5 cxd5 14. Bf4
Rfb8 15. Ra2 Rb4 16. Bxc7 Rxd4 17. b3 Rb4 18. Nd2 Rb7 19. Rc1 Bb4 20. Nf3 Ne4
21. Be5 f6 22. Bb2 Bc5 23. Bd4 Bf8 24. Rc6 e5 25. Bb6 a5 26. Rac2 d4 27. Bxd4
exd4 28. Nxd4 Rd8 29. e3 Rd5 30. Rc8 Kf7 31. f3 Nc5 32. Rc3 Be7 33. Ra8 Ne6 34.
Nb5 Rd1+ 35. Kg2 Rd2+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.2"]
[White "Ragnarsson, Dagur"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2346"]
[BlackElo "2470"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2304058"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nf3 d5 3. g3 c5 4. Bg2 cxd4 5. O-O h6 6. b3 e6 7. Bb2 Be7 8. Nbd2
O-O 9. Re1 Qc7 10. Bxd4 Nc6 11. Bb2 Rd8 12. c4 dxc4 13. bxc4 e5 14. Qc2 Be6 15.
Red1 Rac8 16. Rac1 Nd7 17. Nf1 Bc5 18. N3d2 Nd4 19. Bxd4 Bxd4 20. Nb3 Bb6 21.
Qe4 Nf6 22. Rxd8+ Qxd8 23. Qd3 Qe7 24. Ne3 Rd8 25. Nd5 Bxd5 26. Bxd5 e4 27. Qc2
e3 28. f3 Nxd5 29. cxd5 Rxd5 30. Rd1 Qd7 31. Rxd5 Qxd5 32. Kf1 a5 33. Qd3 Qe6
34. Qb5 Qc6 35. Qxc6 bxc6 36. Ke1 f5 37. Kd1 c5 38. Na1 c4 39. Nc2 Bc5 40. Ne1
Kf7 41. Kc2 Ke6 42. Ng2 g5 43. Kc3 Kd5 44. a3 Bd4+ 45. Kc2 a4 46. h4 Ke6 47. Kb1
Kf6 48. Kc2 Kg6 49. hxg5 hxg5 50. Kc1 Kf6 51. Kb1 Ke5 52. Kc2 Kd5 53. Kc1 Bc5
54. Kb2 Kd4 55. g4 fxg4 56. fxg4 c3+ 57. Kc2 Bxa3 58. Ne1 Ke4 59. Kxc3 Kf4 60.
Ng2+ Kxg4 61. Nxe3+ Kh3 62. Kc4 Bf8 63. Nd5 g4 64. Nf4+ Kh2 65. Ng6 g3 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.3"]
[White "Danielsen, Henrik"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2501"]
[BlackElo "2466"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1400185"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. g3 g6 2. c4 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. d3 a6
9. h3 Rb8 10. a4 Ne8 11. Be3 e5 12. Nd5 Nc7 13. Nec3 Nxd5 14. Nxd5 Be6 15. Nc3
b6 16. Kh2 Qd7 17. h4 f5 18. exf5 gxf5 19. f4 Kh8 20. Qd2 Nb4 21. Rae1 a5 22.
Rd1 Rg8 23. fxe5 dxe5 24. Bg5 Rbf8 25. Bh3 f4 26. Bxe6 Qxe6 27. Qe2 fxg3+ 28.
Kg2 Rf2+ 29. Rxf2 gxf2 30. Ne4 Nc6 31. Nxf2 Nd4 32. Qe4 Bf6 33. Nh3 h6 34. Rh1
Qc6 35. Kf2 hxg5 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.4"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2338"]
[BlackElo "2539"]
[ECO "A27"]
[Opening "English"]
[Variation "three knights system"]
[WhiteFideId "14142805"]
[BlackFideId "2302241"]
[EventDate "2023.05.15"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 Nge7 7. Rb1 a5 8. a3 f5
9. Bd2 O-O 10. b4 axb4 11. axb4 Qe8 12. Qc1 Bd7 13. h4 f4 14. b5 Nd8 15. Ng5 h6
16. Nge4 Ne6 17. b6 Bc6 18. bxc7 Qd7 19. Nd5 Rae8 20. Bb4 Nf5 21. g4 Nfd4 22.
Bxd6 f3 23. Bxf3 Bxd5 24. cxd5 Nf4 25. Qd2 Nxd5 26. Qa2 Rxf3 27. Qxd5+ Rf7 28.
Rxb7 Rc8 29. Rb8 Qxg4 30. f3 Qd7 31. Nc5 Qf5 32. Qe4 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.5"]
[White "Ingvason, Johann"]
[Black "Heimisson, Hilmir Freyr"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2076"]
[BlackElo "2353"]
[ECO "A62"]
[Opening "Benoni"]
[Variation "fianchetto variation"]
[WhiteFideId "2301431"]
[BlackFideId "2309998"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O Re8 10. Bf4 Bf5 11. Nh4 Bg4 12. Qd2 b5 13. Rfe1 a6 14. a3 Bc8 15. h3
Qb6 16. e4 Nbd7 17. Be3 Bb7 18. f4 Re7 19. Bf2 Qd8 20. e5 Ne8 21. e6 Nb6 22. f5
Nc4 23. Qc2 Ne5 24. exf7+ Rxf7 25. fxg6 hxg6 26. Nxg6 Qg5 27. Nxe5 Bxe5 28. Kh2
Ng7 29. Re4 Bc8 30. Rh4 Qxh4 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.20"]
[Round "6.6"]
[White "Thorfinnsson, Bragi"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2431"]
[BlackElo "2521"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical variation"]
[WhiteFideId "2300958"]
[BlackFideId "2300087"]
[EventDate "2023.05.15"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Qf3 e6 6. Be3 Nd7 7. Bd3 Bg6 8. Ne2
Ngf6 9. N2g3 Nd5 10. Bg5 Qb6 11. O-O-O h6 12. Be3 O-O-O 13. h4 Qa5 14. Bc4 f5
15. Nd2 e5 16. Nb3 Qxa2 17. Bxd5 cxd5 18. dxe5 Nxe5 19. Qe2 Nc4 20. Bd4 Bd6 21.
Qf3 Kb8 22. h5 Bh7 23. Ne2 f4 24. Qxd5 Rc8 25. Bxg7 Ba3 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.1"]
[White "Stefansson, Hannes"]
[Black "Ptacnikova, Lenka"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WGM"]
[WhiteElo "2521"]
[BlackElo "2099"]
[ECO "B76"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, Rauser variation"]
[WhiteFideId "2300087"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

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 e5 13. Bc5 Re8 14. Bc4 Qh4
15. Bxd5 cxd5 16. Bf2 Qb4 17. Nxd5 Qc4 18. b3 Qa6 19. Kb1 e4 20. Bd4 exf3 21.
Bxg7 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.2"]
[White "Heimisson, Hilmir Freyr"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2353"]
[BlackElo "2431"]
[ECO "B12"]
[Opening "Caro-Kann defence"]
[WhiteFideId "2309998"]
[BlackFideId "2300958"]
[EventDate "2023.05.15"]

1. e4 c6 2. d4 g6 3. Nf3 d5 4. exd5 cxd5 5. Bf4 Bg7 6. Be2 Nc6 7. O-O Nf6 8. h3
O-O 9. c3 Bf5 10. Nbd2 Rc8 11. Re1 Ne4 12. Nf1 Na5 13. Ne3 Be6 14. Ng5 Nxg5 15.
Bxg5 f6 16. Bf4 Bf7 17. Ng4 g5 18. Bh2 Nc4 19. Qb3 Qd7 20. Bd3 Rc6 21. Qc2 h6
22. Ne3 Rb6 23. Nxc4 dxc4 24. Be4 a5 25. Bf3 e6 26. Rad1 Qb5 27. Rd2 a4 28. a3
Ra8 29. Bc7 Rba6 30. d5 exd5 31. Re7 Re8 32. Rxe8+ Qxe8 33. Bxd5 Bxd5 34. Rxd5
Ra8 35. Qf5 Qe1+ 36. Kh2 Re8 37. Rb5 Qe4 38. Qxe4 Rxe4 39. Rxb7 Re2 40. Kg3 Bf8
41. Rb5 Kf7 42. Kf3 Re1 43. g4 Be7 44. Bg3 Kg6 45. h4 Kf7 46. h5 Ke6 47. Rb8 Kf7
48. Rb7 Ke6 49. Rb6+ Kf7 50. Rb8 Ke6 51. Rb6+ Kf7 52. Bb8 Bd8 53. Rb7+ Ke6 54.
Rb5 Be7 55. Ba7 Re5 56. Rb8 Kf7 57. Bd4 Re1 58. Rb6 Rg1 59. Be3 Ke8 60. Rb8+ Kf7
61. Rb6 Ke8 62. Re6 Kf7 63. Re4 Rb1 64. Rxc4 Rxb2 65. Rxa4 Rb3 66. Ra7 Rxc3 67.
a4 Ke6 68. Ra6+ Kd5 69. Ra8 Ra3 70. a5 Bc5 71. a6 Bb6 72. a7 Kd6 73. Ke4 Kc7 74.
Bxb6+ Kxb6 75. Rf8 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.3"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Ingvason, Johann"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2076"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "3.Nf3"]
[WhiteFideId "2302241"]
[BlackFideId "2301431"]
[EventDate "2023.05.15"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. h3 Bh5 8. Qb3 Qb6
9. c5 Qxb3 10. axb3 Be7 11. g4 Nfd7 12. Nf3 Bg6 13. b4 f6 14. b5 O-O 15. e3 a6
16. b6 Re8 17. b4 Bf8 18. Bd2 e5 19. Kd1 Bf7 20. Rg1 g6 21. Ne1 Bg7 22. Nc2 Nf8
23. b5 Rd8 24. bxa6 Nxa6 25. Bxa6 bxa6 26. Nb4 Be8 27. Rxa6 f5 28. Ne2 fxg4 29.
hxg4 Ne6 30. Bc3 h6 31. Kc2 Kh7 32. Rga1 Rxa6 33. Nxa6 Rd7 34. dxe5 h5 35. Nd4
Nd8 36. Nc7 Re7 37. Ra8 Nb7 38. Rxe8 Rxe8 39. Nxe8 Bxe5 40. gxh5 gxh5 41. f4 Bh8
42. Ne6 Bxc3 43. Kxc3 h4 44. Kd4 Kg6 45. Ng5 Nd8 46. Nd6 Ne6+ 47. Nxe6 h3 48. b7 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.4"]
[White "Hjartarson, Johann"]
[Black "Domalchuk-Jonasson, Aleksandr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2466"]
[BlackElo "2338"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "2300044"]
[BlackFideId "14142805"]
[EventDate "2023.05.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h3
Be6 9. f4 exf4 10. Bxf4 Nc6 11. Qe2 Ne5 12. O-O-O Nfd7 13. Kb1 O-O 14. Qe3 Rc8
15. g4 b5 16. Nd4 Qc7 17. Rh2 Rfe8 18. Qg3 Bf8 19. g5 b4 20. Nd5 Bxd5 21. exd5
Nc5 22. h4 Qb7 23. Bg2 Nc4 24. Bc1 Ne4 25. Bxe4 Rxe4 26. Nc6 Rce8 27. Qd3 g6 28.
Rf1 Bg7 29. Rhf2 Qb5 30. Qf3 Qxd5 31. Nxb4 Qb7 32. Qxf7+ Qxf7 33. Rxf7 Re1 34.
Rxe1 Rxe1 35. Rf2 Bd4 36. Rg2 Bxb2 37. Nd3 Rh1 38. Rg4 Ne5 39. Nxe5 Bxc1 40. Nf3
Bxg5+ 41. Kb2 Bc1+ 42. Kb1 Ba3+ 43. Rg1 Rxg1+ 44. Nxg1 Kg7 45. Ne2 Kf6 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.5"]
[White "Stefansson, Vignir Vatnar"]
[Black "Danielsen, Henrik"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2501"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "2308649"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O
Nbd7 9. Qb3 Qb6 10. Nbd2 h6 11. Nc4 Qxb3 12. axb3 Be4 13. Nfe5 Bxg2 14. Kxg2 O-O
15. Na5 c5 16. Nxb7 cxd4 17. Nc6 Bc5 18. Nxc5 Nxc5 19. b4 Ncd7 20. Nxd4 Rfb8 21.
Bd2 Nd5 22. Nc6 Rb6 23. Rfc1 f5 24. Rc4 a6 25. f3 Kh7 26. b3 Rc8 27. Ne5 Rd8 28.
Nd3 g5 29. Ra5 Kg6 30. h4 gxh4 31. Rxh4 Rh8 32. Ra1 Rc6 33. Kf2 h5 34. Rc4 Rb6
35. Rh1 Rh7 36. Rc8 Kf7 37. Rh4 Ke7 38. Bg5+ Kf7 39. Rd8 N5f6 40. Rd4 Kg6 41.
Bh4 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.21"]
[Round "7.6"]
[White "Kjartansson, Gudmundur"]
[Black "Ragnarsson, Dagur"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2402"]
[BlackElo "2346"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "2301318"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Nbd7 6. b3 Bd6 7. Bb2 b6 8. Nbd2
Bb7 9. O-O O-O 10. Re1 Re8 11. Ne5 Qc7 12. f4 c5 13. cxd5 exd5 14. Rc1 a6 15.
Qf3 Qd8 16. g4 cxd4 17. exd4 Bb4 18. Bc3 Bxc3 19. Rxc3 Ne4 20. Nxe4 dxe4 21.
Bxe4 Bxe4 22. Rxe4 Nf6 23. Ree3 h5 24. g5 Ng4 25. Red3 Rc8 26. Qb7 Rxc3 27.
Qxf7+ Kh7 28. Qxh5+ Kg8 29. Qf7+ Kh7 30. Rxc3 Qxd4+ 31. Kg2 Qd2+ 32. Kg3 Qxc3+
33. Kxg4 Qc8+ 34. Kh4 Qe6 35. g6+ Kh8 36. Kg3 Qc8 37. h4 Qc3+ 38. Nf3 Qc8 39.
Qd5 Qe6 40. Qh5+ Kg8 41. Qh7+ Kf8 42. h5 Qg8 43. Ne5 Ke7 44. f5 Kf6 45. Qxg8
Rxg8 46. Kf4 Rd8 47. Ng4+ Ke7 48. Kg5 Rd2 49. h6 gxh6+ 50. Kxh6 Rg2 51. Kg7 Rxg4
52. f6+ 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.1"]
[White "Ptacnikova, Lenka"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[WhiteTitle "WGM"]
[BlackTitle "IM"]
[WhiteElo "2099"]
[BlackElo "2346"]
[ECO "A11"]
[Opening "English"]
[Variation "Caro-Kann defensive system"]
[WhiteFideId "305650"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 Bf5 5. Bb2 e6 6. Be2 h6 7. O-O Be7 8. Nc3 O-O
9. d3 Nbd7 10. cxd5 exd5 11. Nd4 Bh7 12. h3 Re8 13. Qd2 Bd6 14. Rfe1 Nc5 15. b4
Ne6 16. Na4 Nd7 17. Rec1 Qh4 18. a3 Nxd4 19. Bxd4 Bf5 20. Nc5 Nxc5 21. bxc5 Be5
22. Bxe5 Rxe5 23. Bf1 Rae8 24. Rab1 Bc8 25. Rb4 Qe7 26. Qb2 g5 27. Qd4 Re6 28.
g3 f5 29. Bg2 Rf8 30. Qc3 Ref6 31. Re1 Qg7 32. Qd2 Rd8 33. Qb2 Re6 34. Qxg7+
Kxg7 35. Rd4 Kf6 36. Rb1 Ke7 37. Kf1 Rf8 38. Ra4 f4 39. exf4 gxf4 40. gxf4 Ref6
41. Rxa7 Rxf4 42. Rb2 Kd8 43. Ra8 Kc7 44. Re2 R8f7 45. Kg1 Rg7 46. Kh2 Rgf7 47.
Kg1 Rg7 48. Kh2 Rgf7 49. Kg1 Rg7 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.2"]
[White "Danielsen, Henrik"]
[Black "Kjartansson, Gudmundur"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2501"]
[BlackElo "2402"]
[ECO "D05"]
[Opening "Queen's pawn game"]
[WhiteFideId "1400185"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. O-O Nc6 6. c3 Qc7 7. Nbd2 Bd7 8. Qe2
Be7 9. dxc5 Bxc5 10. b4 Be7 11. Bb2 O-O 12. a3 Ne5 13. Nxe5 Qxe5 14. Rab1 Qc7
15. c4 dxc4 16. Nxc4 Ba4 17. Rbc1 Rfd8 18. Ne5 Qd6 19. Bd4 Rac8 20. Qf3 Qd5 21.
Qg3 Bb5 22. Ng4 Nh5 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.3"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2338"]
[BlackElo "2470"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange variation"]
[WhiteFideId "14142805"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. e3 Bf5 8.
Qf3 g6 9. Nge2 c6 10. Qf4 Qxf4 11. Nxf4 O-O 12. h4 h5 13. b4 a6 14. f3 Nbd7 15.
a4 a5 16. b5 Nb6 17. bxc6 bxc6 18. Kf2 Rfc8 19. Bd3 Bxd3 20. Nxd3 Nc4 21. Rab1
Re8 22. Rhe1 Re7 23. Rb3 Rae8 24. Nd1 Nd7 25. N3b2 Nd6 26. Nd3 Kg7 27. Rc3 Nc4
28. N3b2 Ndb6 29. Nxc4 Nxc4 30. Rb3 Nd6 31. Re2 Nf5 32. Rc2 Re6 33. g3 R8e7 34.
Rbc3 Re8 35. Rb3 R8e7 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.4"]
[White "Ingvason, Johann"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2076"]
[BlackElo "2466"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "2301431"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 c5 5. a3 Bxd2+ 6. Qxd2 cxd4 7. Nf3 b6 8.
Bg2 Bb7 9. Qxd4 Nc6 10. Qc3 O-O 11. O-O Rc8 12. b4 Ne7 13. Bb2 Bxf3 14. Bxf3 d5
15. c5 bxc5 16. bxc5 Nc6 17. Rfd1 Qe7 18. Rac1 Rb8 19. Ba1 h6 20. Rd2 Rfc8 21.
Rb2 Rxb2 22. Qxb2 Rb8 23. Qc2 Rb5 24. Qc3 Qb7 25. Qd2 Qe7 26. Qc3 Qf8 27. Kg2
Nd7 28. Qd2 Rxc5 29. Rxc5 Qxc5 30. Qb2 Nde5 31. e3 Qb6 32. Be2 Qxb2 33. Bxb2 f6
34. f4 Nc4 35. Bc1 N6a5 36. Bd1 Kf7 37. Kf3 f5 38. g4 Nb7 39. gxf5 exf5 40. Ke2
Nbd6 41. Kd3 Ke6 42. a4 Nb7 43. Kd4 Kd6 44. Bf3 Nb6 45. Ba3+ Ke6 46. Bf8 Kf7 47.
Ba3 Ke6 48. Bf8 Kf7 49. Ba3 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.5"]
[White "Thorfinnsson, Bragi"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2431"]
[BlackElo "2539"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf"]
[WhiteFideId "2300958"]
[BlackFideId "2302241"]
[EventDate "2023.05.15"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 7. f3 e5 8. Nb3
Be6 9. Bg5 Nbd7 10. Qd2 Be7 11. O-O O-O 12. Bh6 Re8 13. Ne2 d5 14. Ng3 Rc8 15.
Rae1 dxe4 16. Nxe4 Nxe4 17. Bxe4 Qc7 18. Bg5 Nf6 19. Bd3 Nd5 20. Bxe7 Rxe7 21.
Qg5 f6 22. Qh4 Kg7 23. Qf2 Nf4 24. Qe3 a5 25. Nc1 b6 26. a3 Qc5 27. Qxc5 bxc5
28. Bb5 c4 29. Na2 Nd5 30. Re4 Rc5 31. a4 Bf5 32. Re2 c3 33. Nxc3 Nxc3 34. bxc3
Rxc3 35. Rd1 Bxc2 36. Rd6 e4 37. Ra6 e3 38. Rxa5 Bxa4 39. h4 Bc2 40. Ra2 Rec7
41. Kh2 h6 42. Ra1 f5 43. Kg3 g5 44. hxg5 hxg5 45. f4 g4 46. Kh4 Be4 47. Kg5 Kf8
48. Ree1 Rg7+ 49. Kf6 Rf7+ 50. Kg6 Rb7 51. Ra8+ Ke7 52. Re8+ Kd6 53. Re5 Kc7 54.
g3 Rb6+ 55. Kg5 Kb7 56. Be2 Rc7 57. Rxe4 fxe4 58. f5 Rg7+ 59. Kf4 Kc6 60. Bxg4
Kd5 61. Rd1+ Kc5 62. Be2 Rb2 63. Re1 Kd4 64. g4 Rc7 65. f6 Rcc2 66. Rd1+ Rd2 67.
f7 Rxd1 68. f8=Q Rf1+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.22"]
[Round "8.6"]
[White "Stefansson, Hannes"]
[Black "Heimisson, Hilmir Freyr"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2521"]
[BlackElo "2353"]
[ECO "C67"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence, open variation"]
[WhiteFideId "2300087"]
[BlackFideId "2309998"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8.
Qxd8+ Kxd8 9. Nc3 Ke8 10. h3 h5 11. Ne2 b6 12. Re1 Bb7 13. Bg5 h4 14. Ned4 Nxd4
15. Nxd4 Rh5 16. f4 Be7 17. Nf5 Bc5+ 18. Kh2 Kf8 19. Rad1 f6 20. exf6 gxf6 21.
g4 hxg3+ 22. Nxg3 Rh7 23. Bxf6 Bf2 24. Re2 Bxg3+ 25. Kxg3 Ba6 26. Re5 Bc4 27. b3
Bg8 28. Rde1 Rd7 29. Re7 Rxe7 30. Rxe7 b5 31. Rxc7 Bd5 32. h4 Re8 33. Be5 Be4
34. h5 Re6 35. h6 Rg6+ 36. Kf2 Rg2+ 37. Ke3 Bxc2 38. h7 Bxh7 39. Rxh7 Rxa2 40.
f5 Ra6 41. Bd6+ 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.1"]
[White "Heimisson, Hilmir Freyr"]
[Black "Ptacnikova, Lenka"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WGM"]
[WhiteElo "2353"]
[BlackElo "2099"]
[ECO "B31"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (with ...g6, without ...d6)"]
[WhiteFideId "2309998"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 e5 7. a4 Qe7 8. Be3
Nf6 9. Qd2 Nd7 10. Qc3 O-O 11. a5 Rb8 12. Nbd2 Re8 13. O-O h6 14. Rfb1 f5 15.
Nc4 f4 16. Bd2 g5 17. b4 h5 18. Qb3 Kh7 19. Nh2 cxb4 20. Bxb4 c5 21. Bc3 Nf8 22.
Qa3 Bd7 23. f3 Bf6 24. Kf1 Ng6 25. Be1 Nf8 26. Bf2 Ne6 27. c3 Bc6 28. Ra2 Rbd8
29. Rd2 Rd7 30. Kg1 Red8 31. Rbd1 Bb5 32. Qb3 Ba6 33. Nf1 g4 34. hxg4 hxg4 35.
fxg4 Kg6 36. Nh2 Ng5 37. Nf3 Nxf3+ 38. gxf3 Qe6 39. Qa2 Rxd3 40. Rxd3 Rxd3 41.
Rxd3 Bxc4 42. Qd2 Bxd3 43. Qxd3 c4 44. Qd1 a6 45. Bb6 Qc6 46. Kg2 Be7 47. Qh1
Kg7 48. Qh5 Qd6 49. Kh3 Bf6 50. g5 Be7 51. g6 Qe6+ 52. Qf5 Qxf5+ 53. exf5 Bb4
54. cxb4 c3 55. Bc7 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.2"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2521"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "2302241"]
[BlackFideId "2300087"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3
cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 11. g3 Qh5 12. O-O g5 13. cxd5 gxf4 14. Bxe4 Nxe5
15. gxf4 Ng4 16. f3 Ne3 17. Qd3 Nxf1 18. Rxf1 Bxc3 19. Qxc3 e5 20. fxe5 Bh3 21.
Rd1 Qg5+ 22. Kf2 Qxe5 23. Rg1+ Kh8 24. Rg3 Bd7 25. Nf5 Qxc3 26. bxc3 Bxf5 27.
Bxf5 Rad8 28. c4 b5 29. Ke3 bxc4 30. Kd4 Rd6 31. Rh3 Rfd8 32. Rxh7+ Kg8 33. Be4
f5 34. Rxa7 fxe4 35. fxe4 Rc8 36. Ra3 Rh6 37. h3 Rh4 38. d6 c3 39. Rxc3 Re8 40.
Re3 Kf7 41. Kd5 Ra8 42. Rf3+ Ke8 43. e5 Rh6 44. Rf5 Rxa2 45. Rg5 Rxh3 46. Rg6
Rd2+ 47. Ke6 Rh8 48. Rg7 Rh6+ 49. Kf5 Rf2+ 50. Ke4 Rh4+ 51. Kd5 Rd2+ 52. Ke6
Rh6+ 53. Kf5 Rd5 54. Ke4 Rd1 55. Kf5 Rd5 56. Ke4 Rd2 57. Kf5 Rf2+ 58. Ke4 Rh1
59. Kd5 Re2 60. Rg5 Rd2+ 61. Ke4 Re1+ 62. Kf5 Kf7 63. e6+ Rxe6 64. Rg7+ Kxg7 65.
Kxe6 Re2+ 66. Kd7 Kf7 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.3"]
[White "Hjartarson, Johann"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2466"]
[BlackElo "2431"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "2300044"]
[BlackFideId "2300958"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. e3 Bd6 6. Bd3 O-O 7. O-O dxc4 8. Bxc4
Nc6 9. a3 a6 10. b4 e5 11. h3 Bf5 12. Bb2 e4 13. Nd2 Qd7 14. f3 exf3 15. Qxf3
Bg6 16. Nd5 Nxd5 17. Bxd5 Nd8 18. e4 c6 19. Ba2 Bc7 20. d5 cxd5 21. Bxd5 Kh7 22.
Nc4 Rc8 23. Rad1 Qe7 24. e5 Nc6 25. Rfe1 Qg5 26. Nd6 Bxd6 27. exd6 Bh5 28. Qd3+
Kg8 29. Rd2 Rcd8 30. Re3 Rxd6 31. Rg3 Ne5 32. Rxg5 Nxd3 33. Rxg7+ Kh8 34. Rxd3 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.4"]
[White "Stefansson, Vignir Vatnar"]
[Black "Ingvason, Johann"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2470"]
[BlackElo "2076"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "2308649"]
[BlackFideId "2301431"]
[EventDate "2023.05.15"]

1. c4 Nf6 2. Nf3 c6 3. g3 d5 4. Bg2 Bf5 5. Qb3 Qb6 6. d3 e6 7. Be3 Qxb3 8. axb3
Nbd7 9. O-O a6 10. Nh4 Bg6 11. Nc3 Be7 12. h3 O-O 13. f4 Nh5 14. Nxg6 hxg6 15.
g4 Nhf6 16. Bf2 Bd6 17. Be3 Rfe8 18. d4 Bc7 19. Bd2 Rad8 20. e3 Nb6 21. Na4 Nc8
22. g5 Nd7 23. Rac1 Ne7 24. Rfe1 Bb8 25. Ba5 Rc8 26. Rc3 Ba7 27. Bb4 Nf5 28. Rd3
Bb8 29. Kf2 Nd6 30. Rc1 Nf5 31. Bf3 Ba7 32. Rdd1 e5 33. fxe5 Nxe5 34. dxe5 Bxe3+
35. Kf1 Bxc1 36. Rxc1 Rxe5 37. Nb6 Rce8 38. cxd5 cxd5 39. Re1 Ne3+ 40. Kf2 d4
41. Nc4 Rxg5 42. Bd2 Rd8 43. Bxb7 Rb8 44. Bxa6 Rg2+ 45. Kf3 Nxc4 46. Bf4 Rxb3+
47. Kxg2 Rxb2+ 48. Kf3 Nd2+ 49. Bxd2 Rxd2 50. Bc4 Kf8 51. Ra1 f5 52. Kf4 Rc2 53.
Ra4 Rc3 54. Ke5 Ke7 55. Ra7+ Kd8 56. Be6 Rc6 57. Rd7+ Ke8 58. Rxg7 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.5"]
[White "Kjartansson, Gudmundur"]
[Black "Domalchuk-Jonasson, Aleksandr"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2402"]
[BlackElo "2338"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "2301318"]
[BlackFideId "14142805"]
[EventDate "2023.05.15"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Re8 8.
Nge2 c6 9. Qc2 h6 10. Bh4 a5 11. O-O Na6 12. a3 Nc7 13. Rad1 Ne6 14. f3 b5 15.
Bf2 Ba6 16. Ng3 Bf8 17. h3 Qb8 18. Rfe1 b4 19. axb4 axb4 20. Nce2 Bxd3 21. Qxd3
c5 22. dxc5 Nxc5 23. Qb1 Qe5 24. Nd4 Ne6 25. Ngf5 Nxd4 26. exd4 Qc7 27. Bg3 Qb6
28. Be5 Nd7 29. Kh1 g6 30. Ng3 Bg7 31. Bxg7 Kxg7 32. Qd3 Qd6 33. Nf1 Nf6 34. g4
Qf4 35. Kg2 h5 36. Rxe8 Rxe8 37. Qd2 Qxd2+ 38. Rxd2 hxg4 39. hxg4 Nd7 40. Kf2
Nb6 41. b3 Rc8 42. Ra2 Ra8 43. Rc2 Ra3 44. Nd2 Ra5 45. Rc7 Kf8 46. Rb7 Ra6 47.
Nf1 f6 48. Ne3 Ke8 49. Kg3 Kd8 50. Rf7 Nd7 51. Nxd5 Rd6 52. Nxb4 Ke8 53. Rh7
Rxd4 54. Nc2 Rd3 55. b4 Rb3 56. Rh8+ Kf7 57. Rh7+ Ke8 58. Nd4 Rxb4 59. Rh8+ Kf7
60. Rh7+ Ke8 61. Nc6 Rb6 62. Re7+ Kf8 63. Rxd7 Rxc6 64. Kf4 Rc4+ 65. Ke3 Ra4 66.
Rb7 Kg8 67. f4 Kf8 68. Rd7 g5 69. fxg5 Rxg4 70. gxf6 Rg6 71. Rd6 Kf7 72. Ke4
Rxf6 73. Rxf6+ Kxf6 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.23"]
[Round "9.6"]
[White "Ragnarsson, Dagur"]
[Black "Danielsen, Henrik"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2346"]
[BlackElo "2501"]
[ECO "A41"]
[Opening "Old Indian defence"]
[WhiteFideId "2304058"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nf6 5. Nf3 Nc6 6. Qd2 Be6 7. e4 Be7 8. b3
a5 9. Bb2 a4 10. Rd1 axb3 11. axb3 O-O 12. Be2 Re8 13. O-O Nd7 14. Nd5 Nc5 15.
Qc3 Bf8 16. Nd2 Ne5 17. Ra1 Rxa1 18. Rxa1 Bxd5 19. exd5 Qd7 20. Qc2 Ng6 21. Bf1
Qg4 22. h3 Qg5 23. Nf3 Qd8 24. b4 Nd7 25. Bd3 Be7 26. Ra7 Qb8 27. Qa4 Ngf8 28.
Bd4 Bf6 29. Be3 g6 30. Qa2 Bc3 31. c5 Bxb4 32. c6 Nc5 33. Bb5 b6 34. Qa1 Bc3 35.
Qxc3 Rxe3 36. Qxe3 Qxa7 37. Qe7 h6 38. Bf1 Nb3 39. Kh2 b5 40. Bxb5 Qxf2 41. Qxc7
Nd4 42. Nxd4 Qf4+ 43. Kh1 Qc1+ 44. Kh2 Qf4+ 45. g3 Qf2+ 46. Kh1 Qxd4 47. Bf1 Qd1
48. Kg1 Qxd5 49. Qb6 Ne6 50. c7 Nxc7 51. Qxc7 Qe5 52. Kh2 Kg7 53. Bg2 h5 54. Qc4
Qb2 55. h4 Qe5 56. Qf4 f6 57. Qf3 f5 58. Qb7+ Kf6 59. Qa8 Kg7 60. Qa4 Kf6 61.
Qf4 Kg7 62. Bf3 Kh7 63. Kh3 Qe6 64. Kh2 Qa2+ 65. Bg2 Qe6 66. Qc1 Kg7 67. Qc7+
Kh6 68. Qb7 f4 69. gxf4 Qg4 70. Qf7 Qxh4+ 71. Bh3 Qf2+ 72. Bg2 Qh4+ 73. Kg1 Qe1+
74. Bf1 Qg3+ 75. Kh1 Qe1 76. Qf8+ Kh7 77. Kg2 Qd2+ 78. Kg1 Qe3+ 79. Kh1 Qe1 80.
Qf7+ Kh6 81. Qf8+ Kh7 82. Qf7+ Kh6 83. Qf8+ 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.1"]
[White "Ptacnikova, Lenka"]
[Black "Danielsen, Henrik"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "GM"]
[WhiteElo "2099"]
[BlackElo "2501"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "305650"]
[BlackFideId "1400185"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Bf4 c6 5. Qd2 Bg7 6. Bh6 Bxh6 7. Qxh6 Qa5 8.
O-O-O Be6 9. d5 Bd7 10. Kb1 Na6 11. f3 b5 12. dxc6 Bxc6 13. Nge2 b4 14. Nd5 Nxd5
15. exd5 Bxd5 16. b3 Nc7 17. Nf4 O-O-O 18. h4 e5 19. Nh3 Be6 20. Bc4 Bxc4 21.
bxc4 Qc5 22. Rhe1 Qxc4 23. Re4 Qc5 24. Ng5 Nb5 25. Nxf7 Na3+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.2"]
[White "Domalchuk-Jonasson, Aleksandr"]
[Black "Ragnarsson, Dagur"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2338"]
[BlackElo "2346"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "14142805"]
[BlackFideId "2304058"]
[EventDate "2023.05.15"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e6 4. g3 Nge7 5. Bg2 d5 6. cxd5 Nxd5 7. Nxd5 Qxd5 8.
O-O Be7 9. d3 O-O 10. Bf4 Qd8 11. Rc1 Qb6 12. Qd2 f6 13. Be3 e5 14. b3 Be6 15.
Qb2 Rac8 16. Rb1 a5 17. Rfc1 Nd4 18. Nxd4 exd4 19. Bd2 Qa7 20. Re1 b5 21. e3 Bf5
22. Bd5+ Kh8 23. e4 Bg4 24. Kg2 Qd7 25. f3 Bh3+ 26. Kg1 Be6 27. Bxe6 Qxe6 28.
Rbc1 Bd6 29. Qc2 f5 30. e5 Be7 31. f4 h5 32. Qd1 g6 33. Qe2 Ra8 34. Rb1 b4 35.
Rec1 a4 36. Rc2 axb3 37. axb3 Ra3 38. Rcb2 Kg7 39. h4 Kf7 40. Bc1 Rfa8 41. Qc2
Qd5 42. Qc4 Ke6 43. Kf2 Ra1 44. Ke2 R8a2 45. Rxa1 Rxa1 46. Kd1 Qxc4 47. dxc4 Bd8 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.3"]
[White "Ingvason, Johann"]
[Black "Kjartansson, Gudmundur"]
[Result "1-0"]
[BlackTitle "GM"]
[WhiteElo "2076"]
[BlackElo "2402"]
[ECO "E01"]
[Opening "Catalan"]
[Variation "closed"]
[WhiteFideId "2301431"]
[BlackFideId "2301318"]
[EventDate "2023.05.15"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 O-O 6. Nf3 b6 7. O-O Bb7 8. a3
Be7 9. cxd5 exd5 10. b4 Nbd7 11. Bb2 c5 12. dxc5 bxc5 13. bxc5 Nxc5 14. Nd4 Qd7
15. a4 Rfc8 16. Ba3 Nxa4 17. Bxe7 Nc3 18. Qb3 Qxe7 19. Rfc1 Nce4 20. Rxc8+ Bxc8
21. Nxe4 dxe4 22. e3 h5 23. h4 a5 24. Qb5 Bd7 25. Qb7 Qe8 26. Bf1 Rb8 27. Qa7 a4
28. Bc4 Qf8 29. Ne2 Qb4 30. Nf4 Qb6 31. Rxa4 Bxa4 32. Bxf7+ Kh7 33. Qxa4 Kh6 34.
Kg2 Qc5 35. Bg6 Qe5 36. Qa6 Rd8 37. Bxh5 Qd6 38. Qe2 Qc6 39. g4 g5 40. hxg5+
Kxg5 41. Qb2 Rd5 42. Qb8 Qd6 43. Qh8 Qe7 44. Nxd5 Nxd5 45. Qg8+ Kh4 46. Qxd5 Qf6
47. Qxe4 Qe5 48. Qf3 Qd5 49. e4 Qd2 50. Qf6+ 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.4"]
[White "Thorfinnsson, Bragi"]
[Black "Stefansson, Vignir Vatnar"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2431"]
[BlackElo "2470"]
[ECO "D12"]
[Opening "QGD Slav"]
[Variation "4.e3 Bf5"]
[WhiteFideId "2300958"]
[BlackFideId "2308649"]
[EventDate "2023.05.15"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qb6
9. Nxg6 hxg6 10. g3 Nbd7 11. Bd2 Be7 12. cxd5 exd5 13. Rc1 Qxb3 14. axb3 Bb4 15.
Bd3 Nf8 16. Na4 Bxd2+ 17. Kxd2 Ne6 18. b4 a6 19. Ke2 g5 20. h3 g6 21. Kf2 Ke7
22. Kg2 Nd7 23. Rhe1 Kd6 24. Nc5 Ndxc5 25. bxc5+ Ke7 26. Ra1 Rad8 27. Ra4 Kd7
28. Rb4 Kc7 29. Ra1 f5 30. f4 Rde8 31. Rh1 gxf4 32. exf4 Ng7 33. Ra1 Nh5 34. Ra3
Nf6 35. Rab3 Rb8 36. Bb1 Rhe8 37. Kf2 Rh8 38. Kg2 a5 39. Ra4 b6 40. cxb6+ Rxb6
41. Rxb6 Kxb6 42. b4 axb4 43. Rxb4+ Kc7 44. Rb2 Rg8 45. Kf3 Rh8 46. Kg2 Nh5 47.
Bd3 Ra8 48. Kf3 Ra4 49. Ke3 Ra3 50. Rg2 Kd7 51. Rb2 Nxg3 52. Rb7+ Kc8 53. Rh7
Nh5 54. h4 Kb8 55. Rf7 Ra7 56. Rf8+ Kc7 57. Rg8 Ra3 58. Rf8 Nxf4 59. Kxf4 Rxd3
60. Rf7+ Kb6 61. Ke5 Re3+ 62. Kd6 Kb5 63. h5 gxh5 64. Rxf5 h4 65. Rh5 Re4 66.
Rh8 Rxd4 67. Rb8+ Kc4 68. Kxc6 Rg4 69. Ra8 Rg6+ 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.5"]
[White "Stefansson, Hannes"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2521"]
[BlackElo "2466"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "Moeller defence"]
[WhiteFideId "2300087"]
[BlackFideId "2300044"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 O-O 7. d4 Ba7 8. Re1
d6 9. h3 b5 10. Bc2 Re8 11. Be3 Bb7 12. Nbd2 h6 13. a3 exd4 14. cxd4 Ne7 15. b4
Ng6 16. Qb1 Nh5 17. Bd3 Nhf4 18. Bf1 Qd7 19. Kh2 c5 20. g3 Ne6 21. d5 Nd4 22.
Bxd4 cxd4 23. Nb3 Qe7 24. Qb2 Qf6 25. Nfxd4 Ne5 26. Qe2 Nc4 27. Rad1 Bxd5 28. f3
Nxa3 29. Bg2 Rac8 30. Qa2 Bxd4 31. exd5 Rxe1 32. Rxe1 Rc2 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.24"]
[Round "10.6"]
[White "Heimisson, Hilmir Freyr"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2353"]
[BlackElo "2539"]
[ECO "C46"]
[Opening "Four knights"]
[Variation "Gunsberg variation"]
[WhiteFideId "2309998"]
[BlackFideId "2302241"]
[EventDate "2023.05.15"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 g6 5. Bc4 Bg7 6. d3 d6 7. h3 Be6 8. Ng5
Bxc4 9. dxc4 Nd4 10. Nf3 Ne6 11. Qe2 O-O 12. Be3 a6 13. O-O-O Qe8 14. h4 h5 15.
Ng5 Nd4 16. Bxd4 exd4 17. Nd5 Nxd5 18. cxd5 Qe5 19. g3 c6 20. f4 Qf6 21. Qf3
Rac8 22. Rd3 c5 23. Rhd1 Qd8 24. g4 c4 25. Rxd4 Bxd4 26. Rxd4 c3 27. gxh5 cxb2+
28. Kxb2 Qb6+ 29. Rb4 Qg1 30. Qd3 a5 31. Rb3 Qg4 32. hxg6 fxg6 33. Ne6 Rf7 34.
Rc3 Re8 35. Qg3 Qxg3 36. Rxg3 Rxe6 37. dxe6 Rxf4 38. Rxg6+ Kf8 39. h5 Rxe4 40.
h6 Rh4 41. Kc3 Ke7 42. Kd3 b5 43. Ke3 b4 44. a4 Rh2 45. Kd3 Rh4 46. Kd2 Rh2+ 47.
Kc1 Rh4 48. Kb1 Rh2 49. Kb2 Rh3 50. Ka2 Rh5 51. Kb3 d5 52. Ka2 Rh3 53. Kb2 Rh1
54. Ka2 Rh3 55. Kb2 Rh1 56. Rg7+ Kxe6 57. Ra7 Ke5 58. Rxa5 Rxh6 59. Kb3 Kd4 60.
Kxb4 Rc6 61. Kb3 Rc3+ 62. Kb2 Rc4 63. Ra8 Kc5 64. Kb3 Rb4+ 65. Ka3 Rh4 66. Rb8
Rh1 67. Rb5+ Kc4 68. Kb2 d4 69. Rb8 Rh2 70. Rd8 Rh7 71. Rb8 Rh2 72. Rb3 Rh5 73.
Rd3 Rg5 74. Rb3 Rh5 75. Rb7 Rg5 76. Ra7 Rg2 77. Rd7 Rg5 78. Rc7+ Kb4 79. Ra7 Rh5
80. Kc1 Kc3 81. Rc7+ Kb4 82. Kd2 Kxa4 83. Rb7 Rc5 84. Rb3 Rb5 85. Kd3 Rxb3+ 86.
cxb3+ Kxb3 87. Kxd4 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.1"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Ptacnikova, Lenka"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WGM"]
[WhiteElo "2539"]
[BlackElo "2099"]
[ECO "B39"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Breyer variation"]
[WhiteFideId "2302241"]
[BlackFideId "305650"]
[EventDate "2023.05.15"]

1. Nf3 c5 2. c4 g6 3. e4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8.
Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 O-O 11. Rc1 d6 12. Be2 Nc5 13. f3 a5 14. b3 f5 15.
exf5 gxf5 16. O-O Kh8 17. Rfd1 Be6 18. f4 b6 19. Bf3 Rb8 20. Bd4 Rg8 21. Re1
Bxd4+ 22. Qxd4+ Rg7 23. Rc2 Bg8 24. Rce2 e5 25. fxe5 dxe5 26. Qxd8 Rxd8 27. Bd5
Nd3 28. Rf1 Rg5 29. g3 Bxd5 30. Nxd5 f4 31. Rf3 Nc5 32. Nxb6 Ne6 33. Re1 Nd4 34.
Rc3 fxg3 35. hxg3 Rf8 36. Kg2 Rgf5 37. Nd7 Rf2+ 38. Kh3 Nf3 39. Nxf8 Nxe1 40.
Ne6 Nf3 41. Kg4 Nh2+ 42. Kg5 h6+ 43. Kg6 Ng4 44. c5 Rf6+ 45. Kh5 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.2"]
[White "Stefansson, Vignir Vatnar"]
[Black "Stefansson, Hannes"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2470"]
[BlackElo "2521"]
[ECO "E06"]
[Opening "Catalan"]
[Variation "closed, 5.Nf3"]
[WhiteFideId "2308649"]
[BlackFideId "2300087"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 b5 8. a4
Bb7 9. axb5 a6 10. bxa6 Nxa6 11. Qxc4 Bd5 12. Qd3 Nb4 13. Rxa8 Qxa8 14. Qd1 Na2
15. Nc3 Nxc3 16. bxc3 c5 17. Be3 Rc8 18. dxc5 Ng4 19. Bd4 e5 20. Bh3 Bxf3 21.
exf3 exd4 22. Bxg4 Rxc5 23. Qxd4 h5 24. Bh3 Qc6 25. Rb1 Rxc3 26. Rb8+ Bf8 27.
Rc8 Qxc8 28. Bxc8 Rxc8 29. f4 Rc5 30. Qd8 g6 31. Kg2 Rb5 32. h4 Rc5 33. f3 Rc2+
34. Kh3 Rc3 35. Qa8 Rc5 36. g4 Kg7 37. Qa1+ Kg8 38. Qd4 Ra5 39. Qd8 Rc5 40. Kg3
Rb5 41. f5 hxg4 42. fxg6 fxg6 43. fxg4 Rb7 44. Qd5+ Rf7 45. h5 gxh5 46. gxh5 Kg7
47. h6+ Kg6 48. h7 Rxh7 49. Qg8+ Bg7 50. Qe8+ Kf6 51. Qd8+ Kf7 1/2-1/2

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.3"]
[White "Hjartarson, Johann"]
[Black "Heimisson, Hilmir Freyr"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2466"]
[BlackElo "2353"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical variation"]
[WhiteFideId "2300044"]
[BlackFideId "2309998"]
[EventDate "2023.05.15"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. e3 Nf6 5. d4 e4 6. Ne5 g6 7. Be2 Bg7 8. O-O O-O
9. Rb1 Qe7 10. Nxc6 dxc6 11. b3 cxd4 12. exd4 Bf5 13. Be3 Rad8 14. Qd2 Ng4 15.
Bxg4 Bxg4 16. Rfe1 f5 17. h3 Bh5 18. Rbc1 f4 19. Bxf4 Rxd4 20. Qe3 Qf7 21. g4 g5
22. Bg3 Rd3 23. Qc5 Bg6 24. Ne2 e3 25. f4 gxf4 26. Bxf4 Rd2 27. Qxe3 Rd3 28. Qf2
Rxh3 29. Qg2 Rh4 30. Bg5 Be4 31. Rf1 Qe6 32. Rxf8+ Bxf8 0-1

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.4"]
[White "Ragnarsson, Dagur"]
[Black "Ingvason, Johann"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2346"]
[BlackElo "2076"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "Stoltz variation"]
[WhiteFideId "2304058"]
[BlackFideId "2301431"]
[EventDate "2023.05.15"]

1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O
b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Bg5 Be7 13. Bd3 g6 14. Bh6 Re8 15.
Rad1 Bf8 16. Bxf8 Rxf8 17. Qf4 Rc8 18. c5 Qf6 19. Qe3 Rfd8 20. b4 a5 21. a3 axb4
22. axb4 Ra8 23. Be4 Qe7 24. Nd2 Nf6 25. Bf3 Nd5 26. Qb3 Ba6 27. Rfe1 Bb5 28.
Ra1 Rxa1 29. Rxa1 bxc5 30. bxc5 Qf6 31. Ne4 Qxd4 32. Rd1 Qg7 33. Nd6 Nc3 34. Rc1
Ne2+ 35. Bxe2 Bxe2 36. Qb6 Ra8 37. Qxc6 Qa1 38. Qe8+ Rxe8 39. Rxa1 Re7 40. c6 h5
41. Ra8+ Kh7 42. Ne8 g5 43. c7 Ba6 44. c8=Q Bxc8 45. Rxc8 Kg6 46. g3 Rd7 47. Kg2
Rd2 48. Rc6 Rd5 49. Nd6 Rd4 50. Nc4 Rd5 51. h3 Kf6 52. Ne3 Ra5 53. Rc7 Rb5 54.
Kf3 Ra5 55. Nc4 Rd5 56. Ke2 Rd4 57. Nd2 Ra4 58. Rc4 Ra5 59. h4 gxh4 60. Rxh4 Kg6
61. Nf3 Ra2+ 62. Kf1 Ra5 63. Kg2 Rb5 64. Rc4 Ra5 65. Nh4+ Kg7 66. f4 Kf6 67. Nf3
Kf5 68. Kh3 Ra1 69. Rc5+ Ke4 70. Ng5+ Kd4 71. Rc7 h4 72. Kxh4 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.5"]
[White "Kjartansson, Gudmundur"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2402"]
[BlackElo "2431"]
[ECO "E10"]
[Opening "Blumenfeld counter-gambit"]
[WhiteFideId "2301318"]
[BlackFideId "2300958"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. e4 Nxe4 6. Bd3 Nd6 7. cxb5 Bb7 8. Nc3
Be7 9. O-O O-O 10. Bf4 a6 11. Qc2 exd5 12. Bxh7+ Kh8 13. Rad1 d4 14. Nxd4 cxd4
15. Rd3 Bg5 16. Rh3 Bh6 17. Rxh6 gxh6 18. Be5+ f6 19. Bxd6 dxc3 20. Qg6 Rg8 21.
Bxg8 Qxg8 22. Qxh6+ Qh7 23. Qf8+ Qg8 24. Qh6+ Qh7 25. Qxf6+ Qg7 26. Qxg7+ Kxg7
27. b6 cxb2 28. Rb1 Nc6 29. Rxb2 Re8 30. f3 Re1+ 31. Kf2 Rd1 32. Bf4 Rd5 33. Rd2
Nb4 34. Rxd5 Bxd5 35. a3 Nd3+ 36. Ke3 Ne1 37. Kf2 Nd3+ 38. Ke3 Ne1 39. Ke2 Nc2
40. Be5+ Kf7 41. Bb2 Ke6 42. Kd2 1-0

[Event "ch-ISL 2023"]
[Site "Hafnarfjordur ISL"]
[Date "2023.05.25"]
[Round "11.6"]
[White "Danielsen, Henrik"]
[Black "Domalchuk-Jonasson, Aleksandr"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2501"]
[BlackElo "2338"]
[ECO "A45"]
[Opening "Queen's pawn game"]
[WhiteFideId "1400185"]
[BlackFideId "14142805"]
[EventDate "2023.05.15"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. a3 Bd6 5. e3 O-O 6. Nf3 Bxf4 7. exf4 b6 8. Bd3
c5 9. O-O Ba6 10. Re1 Bxd3 11. Qxd3 Nc6 12. Rad1 cxd4 13. Nb5 Ne4 14. Nbxd4 Nxd4
15. Nxd4 Qf6 16. Qf3 Rac8 17. c3 g6 18. Qg4 h5 19. Qf3 Kg7 20. h3 Rh8 21. Re2
Rc4 22. Rde1 a6 23. g3 b5 24. Kg2 Rcc8 25. Qd3 Rhe8 26. Nf3 Rc7 27. Qe3 Rb8 28.
g4 Rh8 29. g5 Qe7 30. Nd4 Kh7 31. h4 Qd6 32. f3 Nc5 33. Qd2 Rf8 34. Re5 Qd7 35.
Ne2 Qd6 36. Ng3 Nd7 37. R5e2 Rc4 38. Re4 Nc5 39. Re5 Nd7 40. R5e4 Qc6 41. Rd4
Rxd4 42. Qxd4 Kg8 43. Rd1 Nb6 44. Re1 Qc7 45. Qf6 Nd7 46. Qe7 Qd8 47. Qd6 Nb8
48. Rxe6 fxe6 49. Qxe6+ Kg7 50. f5 Qe8 51. Qxd5 Qf7 52. Qe5+ Kh7 53. Nxh5 Nd7
54. fxg6+ Qxg6 55. Qd4 Qxh5 56. Qxd7+ Rf7 57. Qd5 Qg6 58. Kg3 Rf5 59. Qd4 Qe6
60. Qg4 Qd6+ 61. f4 Rd5 62. Qc8 Qe7 63. h5 Qe3+ 64. Kg4 Qe2+ 65. Kh4 Qh2+ 66.
Kg4 Qg2+ 67. Kh4 Qf2+ 68. Kg4 Qg1+ 69. Kh4 Qh2+ 70. Kg4 Qg1+ 71. Kh4 Qe1+ 72.
Kg4 Qe2+ 73. Kh4 Qe7 74. Qxa6 Rd6 75. Qxb5 Qe4 76. Kg4 Qg2+ 77. Kh4 Qh2+ 78. Kg4
Qg2+ 79. Kh4 Qh1+ 80. Kg4 Qd1+ 81. Kh4 Qe1+ 82. Kg4 Qd1+ 83. Kh4 Qe1+ 1/2-1/2

