[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.1"]
[White "Alexandrova, Olga"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2409"]
[BlackElo "2168"]
[ECO "D80"]
[Opening "Gruenfeld defence"]
[WhiteFideId "14102463"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Ne2 O-O 8.
Nc3 Qd8 9. Be2 c5 10. d5 b6 11. O-O Bb7 12. e4 Nd7 13. Bf4 a6 14. a4 Qe8 15. Qd2
e5 16. dxe6 Qxe6 17. Rad1 Nf6 18. f3 Nh5 19. Be3 Rfe8 20. Nd5 Rad8 21. Bc4 b5
22. axb5 axb5 23. Bxb5 Rxd5 24. exd5 Qxe3+ 25. Qxe3 Rxe3 26. d6 Bf6 27. d7 Bd8
28. Rfe1 Re6 29. Bc4 Ng7 30. Bxe6 Nxe6 31. Rd6 Kf8 32. Rdxe6 fxe6 33. Rxe6 Be7
34. Rb6 Bd5 35. Rd6 Bf7 36. d8=Q+ Bxd8 37. Rxd8+ Ke7 38. Rd2 Be6 39. Kf2 Kf6 40.
Ke3 Ke5 41. f4+ Kf5 42. Rc2 c4 43. h3 h5 44. g3 g5 45. g4+ hxg4 46. hxg4+ Kxg4
47. Rg2+ Kf5 48. Rxg5+ Kf6 49. Kd4 Bf7 50. Rc5 Be6 51. Rxc4 Kf5 52. Rc6 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.2"]
[White "Van Weersel, Arlette"]
[Black "Alexandrova, Olga"]
[Result "1/2-1/2"]
[WhiteTitle "WIM"]
[BlackTitle "IM"]
[WhiteElo "2168"]
[BlackElo "2409"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein variation"]
[WhiteFideId "1009877"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nf3 Nxe4 7. Bxe4 Nf6 8.
Bd3 c5 9. dxc5 Bxc5 10. O-O O-O 11. Bg5 Qc7 12. Nd2 Be7 13. Qf3 e5 14. Rae1 Re8
15. Qg3 Nh5 16. Qh4 Bxg5 17. Qxg5 Nf6 18. Re3 h6 19. Qh4 Be6 20. Rfe1 Bd5 21. c4
Bc6 22. b4 b6 23. Be4 Nxe4 24. Nxe4 Bxe4 25. Qxe4 Rac8 26. Rc3 Qd7 27. h3 Qa4
28. Qb1 Qc6 29. a3 Rcd8 30. c5 bxc5 31. Rxc5 Qd6 32. Qe4 f6 33. Qc4+ Qe6 34.
Qxe6+ Rxe6 35. Rc7 Ra6 36. Re3 Rf8 37. Rec3 Rf7 38. Rc8+ Kh7 39. Kf1 Rd7 40. Ke2
Kg6 41. R8c6 Rxc6 42. Rxc6 Kf5 43. Ke3 g5 44. g3 h5 45. f3 g4 46. fxg4+ hxg4 47.
h4 Rb7 48. Ra6 Rc7 49. Rd6 Rc3+ 50. Rd3 Rc6 51. a4 Rb6 52. Rb3 a6 53. b5 axb5
54. axb5 Ke6 55. Ke4 f5+ 56. Ke3 Kd5 57. h5 Kc5 58. Rc3+ Kd5 59. Rb3 Kc5 60. Rb1
Kd5 61. Kd3 f4 62. gxf4 exf4 63. Rb4 Ke5 64. Ke2 Kf5 65. h6 Rxh6 66. b6 Rh8 67.
b7 Rb8 68. Rb6 Ke4 69. Rb4+ Kf5 70. Rb5+ Ke4 71. Rb4+ Ke5 72. Rb5+ Kd6 73. Rb4
f3+ 74. Kf2 Kc7 75. Rxg4 Ra8 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.3"]
[White "Alexandrova, Olga"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2409"]
[BlackElo "2168"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "14102463"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Bb5+ Nd7 9. O-O O-O 10. a4 cxd4 11. cxd4 Nf6 12. Bd3 b6 13. Rb1 Bb7 14. d5 e6
15. dxe6 fxe6 16. Ng5 Qd6 17. Qb3 Rfe8 18. Bc4 Nxe4 19. Bxe6+ Rxe6 20. Qxe6+
Qxe6 21. Nxe6 Nc3 22. Rb4 Ne2+ 23. Kh1 Bc3 24. Rh4 Re8 25. Nf4 Nxc1 26. Rxc1 Bd2
27. Rd1 g5 28. Nh5 Bc3 29. Rc4 Be5 30. f3 Kf7 31. Rd7+ Re7 32. Rxe7+ Kxe7 33.
Ng3 Bd5 34. Rg4 h6 35. Nf5+ Kf6 36. Ne3 Be6 37. Rb4 Bd6 38. Rb1 Bc5 39. Ng4+ Kg6
40. g3 Bf5 41. Rc1 h5 42. Ne5+ Kf6 43. Nc4 Be6 44. Kg2 Bd5 45. Nd2 Be3 46. Rd1
g4 47. Kf1 Kf5 48. fxg4+ hxg4 49. Ke2 Bc5 50. Kd3 Bc6 51. Ra1 Bb7 52. Kc4 Ke5
53. Re1+ Kf5 54. Nb3 Ba6+ 55. Kd5 Bb7+ 56. Kc4 Ba6+ 57. Kc3 Bd6 58. Nd4+ Kf6 59.
Ra1 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.4"]
[White "Van Weersel, Arlette"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "IM"]
[WhiteElo "2168"]
[BlackElo "2409"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein variation"]
[WhiteFideId "1009877"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8.
Bd3 c5 9. dxc5 Bxc5 10. O-O O-O 11. Bg5 Qc7 12. Nd2 Be7 13. Qf3 Nd5 14. Bxe7
Qxe7 15. c4 Nb4 16. Bb1 Nc6 17. Be4 Bd7 18. Rad1 Rad8 19. b3 f5 20. Bb1 e5 21.
Rfe1 e4 22. Qc3 Qc5 23. Nf1 Be6 24. Ne3 a5 25. Rd2 Rxd2 26. Qxd2 Rd8 27. Qe2 g6
28. Nd1 Qd4 29. Ne3 Qd2 30. Kf1 Kf7 31. Rd1 Qxe2+ 32. Kxe2 Rxd1 33. Nxd1 Kf6 34.
Nc3 Ke5 35. h4 Nd4+ 36. Ke3 f4+ 37. Kd2 Bf5 38. g4 Bxg4 39. Bxe4 Bf3 40. Kd3 b6
41. Bd5 h5 42. Bf7 g5 43. hxg5 h4 44. g6 Nf5 45. Ne2 h3 46. Ng1 Be4+ 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.1"]
[White "Pina Vega, Sulennis"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WCM"]
[WhiteElo "2332"]
[BlackElo "1961"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "3503151"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. Bxc6 dxc6 5. O-O Qc7 6. h3 Be7 7. d3 h6 8. Nbd2
Be6 9. Nh2 O-O-O 10. Qe2 g5 11. Nb3 h5 12. Be3 b6 13. a4 Bxb3 14. cxb3 f6 15. a5
b5 16. Rfc1 g4 17. h4 f5 18. g3 f4 19. Bxc5 Bxh4 20. gxh4 g3 21. fxg3 fxg3 22.
Nf3 Nf6 23. Kg2 Kb8 24. Be3 Ng4 25. Ng5 Rhe8 26. Rf1 Rd7 27. Kxg3 Qd6 28. Rf3
Rc8 29. Bg1 c5 30. Rc1 a6 31. Rc3 Rdc7 32. Rf7 Rxf7 33. Nxf7 Qe7 34. Ng5 Qd6 35.
b4 Qd8 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.2"]
[White "Orlova, Yelizaveta"]
[Black "Pina Vega, Sulennis"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "WGM"]
[WhiteElo "1961"]
[BlackElo "2332"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "Indian variation"]
[WhiteFideId "2601826"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 f5 6. g3 O-O 7. Bg2 Re8 8. Rc1
d6 9. e3 Nd7 10. Nge2 Rb8 11. O-O Nf6 12. h4 h6 13. Nf4 c6 14. d3 Ng4 15. Qd2
Qf6 16. b4 g5 17. Nh5 Qg6 18. Nxg7 Kxg7 19. hxg5 hxg5 20. Rfe1 Qh6 21. f3 Qh2+
22. Kf1 Ne5 23. Kf2 f4 24. exf4 gxf4 25. gxf4 Bh3 26. Rg1 Ng6 27. Kf1 Kf8 28.
Rc2 Nxf4 29. Bxh3 Qxh3+ 30. Kf2 Qf5 31. Ne4 Nh3+ 32. Kg2 Re6 33. Kh2 Nxg1 34.
Kxg1 Rg6+ 35. Kf2 Re8 36. Qc3 Qh5 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.3"]
[White "Pina Vega, Sulennis"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WCM"]
[WhiteElo "2332"]
[BlackElo "1961"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "3503151"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. O-O g6 6. c3 Bg7 7. cxd4 Bxd4 8.
Nc3 a6 9. Ba4 b5 10. Bc2 d6 11. Kh1 Bb7 12. f4 Nf6 13. Ne2 Bb6 14. d3 Qc7 15.
Bd2 O-O 16. Rc1 Rac8 17. Qe1 d5 18. e5 Ng4 19. d4 f5 20. Bxf5 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.4"]
[White "Orlova, Yelizaveta"]
[Black "Pina Vega, Sulennis"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "WGM"]
[WhiteElo "1961"]
[BlackElo "2332"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2601826"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. d4 d5 2. Nf3 Nf6 3. b3 Bf5 4. Bb2 h6 5. e3 e6 6. c4 Bb4+ 7. Nbd2 Ne4 8. a3
Bc3 9. Bxc3 Nxc3 10. Qc1 Ne4 11. Nxe4 Bxe4 12. Qc3 O-O 13. Bd3 Bxd3 14. Qxd3 c6
15. Ne5 Nd7 16. Nxd7 Qxd7 17. e4 dxe4 18. Qxe4 Rad8 19. Rd1 e5 20. d5 f5 21. Qe2
Qe7 22. b4 e4 23. O-O cxd5 24. cxd5 Rd6 25. Rfe1 Re8 26. Qc4 Kh8 27. Qd4 a6 28.
a4 Red8 29. f3 Rxd5 30. Qxd5 Rxd5 31. Rxd5 Qxb4 32. Kf2 exf3 33. gxf3 Qxa4 34.
Re2 Qh4+ 35. Kg2 Qg5+ 36. Kf2 Qf6 37. Ree5 f4 38. Rf5 Qb2+ 39. Kg1 Qe2 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.1"]
[White "Nakhbayeva, Guliskhan"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WFM"]
[WhiteElo "2334"]
[BlackElo "2054"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "13704788"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8.
Qc2 Re8 9. Nf3 c6 10. h3 Nf8 11. O-O h6 12. Bf4 Bd6 13. Ne5 Ne6 14. Bh2 c5 15.
Nb5 Bb8 16. dxc5 Nxc5 17. Nxf7 Bxh2+ 18. Kxh2 Qb6 19. Nfd6 Re6 20. Nxc8 Rxc8 21.
Bf5 Rce8 22. Bxe6+ Nxe6 23. Nc3 d4 24. exd4 Nxd4 25. Qa4 Kh8 26. Rad1 Qc7+ 27.
Kg1 Ne2+ 28. Nxe2 Rxe2 29. Qd4 a6 30. Qd8+ Qxd8 31. Rxd8+ Kh7 32. Rb1 Re7 33.
Kf1 Kg6 34. Rc1 Kf5 35. Rc5+ Kg6 36. Rdc8 Ne4 37. Rc2 Nd6 38. R8c7 Re5 39. Rd2
Ne4 40. Rdd7 Rb5 41. Rxg7+ Kh5 42. Rg8 Ra5 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.2"]
[White "Rizzo, Marina"]
[Black "Nakhbayeva, Guliskhan"]
[Result "1-0"]
[WhiteTitle "WFM"]
[BlackTitle "WIM"]
[WhiteElo "2054"]
[BlackElo "2334"]
[ECO "C06"]
[Opening "French"]
[Variation "Tarrasch, closed variation, main line"]
[WhiteFideId "102687"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. f4 f5 10. Nf3 Be7 11. O-O O-O 12. Kh1 Nb6 13. Rg1 Kh8 14. g4 g6 15. Qf1 a5
16. Qh3 Rg8 17. gxf5 exf5 18. Ng5 Rg7 19. Bd2 Nc4 20. Bc3 b5 21. b3 Na3 22. Rac1
Qb6 23. Bb2 b4 24. Qg2 Nd8 25. h4 Ne6 26. Nxe6 Qxe6 27. Ng3 Rg8 28. Qh3 Bb7 29.
h5 g5 30. Bxf5 Qf7 31. Rc7 gxf4 32. Be6 Rxg3 33. Rxg3 Qf8 34. Rg8+ Qxg8 35. Bxg8
Rxg8 36. Rxe7 Bc8 37. Qd3 Rg7 38. Rxg7 Kxg7 39. Qd1 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.3"]
[White "Nakhbayeva, Guliskhan"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WFM"]
[WhiteElo "2334"]
[BlackElo "2054"]
[ECO "D35"]
[Opening "QGD"]
[Variation "exchange, positional line"]
[WhiteFideId "13704788"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 b6 8. h3
Bb7 9. Nf3 Nbd7 10. O-O Ne4 11. Bxe7 Qxe7 12. Rc1 Rac8 13. Nb5 c5 14. dxc5 bxc5
15. Be2 a6 16. Nc3 Ndf6 17. Qa4 Rfd8 18. Rfe1 Qd6 19. Qb3 Rb8 20. Qc2 Nxc3 21.
Qxc3 Ne4 22. Qc2 Ba8 23. b3 a5 24. Red1 Qf6 25. Bd3 a4 26. Bxe4 dxe4 27. Nd2
axb3 28. Nxb3 Rdc8 29. Qc4 h6 30. Rd2 Bb7 31. Nxc5 Ba6 32. Qxe4 Bb7 33. Qd4 Qg6
34. f4 Ba8 35. Rcd1 Rb5 36. Nb3 Rd5 37. Qb4 Rxd2 38. Rxd2 Kh7 39. Kh2 Re8 40.
Qc3 h5 41. Qd3 Be4 42. Qb5 Rd8 43. Nd4 f6 44. Qe2 f5 45. Rb2 h4 46. Qf2 Qf6 47.
Rb5 Ra8 48. Nf3 Bxf3 49. Qxf3 Rxa2 50. Qh5+ Qh6 51. Qxf5+ Qg6 52. Qh5+ Qh6 53.
Qf7 Rxg2+ 54. Kxg2 Qc6+ 55. Qd5 Qc2+ 56. Kf3 Qd1+ 57. Ke4 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.16"]
[Round "1.4"]
[White "Rizzo, Marina"]
[Black "Nakhbayeva, Guliskhan"]
[Result "1-0"]
[WhiteTitle "WFM"]
[BlackTitle "WIM"]
[WhiteElo "2054"]
[BlackElo "2334"]
[ECO "C04"]
[Opening "French"]
[Variation "Tarrasch, Guimard main line"]
[WhiteFideId "102687"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 Nb4 7. Be2 c5 8. c3
Nc6 9. Bd3 Qb6 10. O-O cxd4 11. cxd4 Nxd4 12. Nxd4 Qxd4 13. Nf3 Qb6 14. Qe2 h6
15. b3 Be7 16. Be3 Bc5 17. Bf4 O-O 18. Rac1 f5 19. exf6 Nxf6 20. Ne5 Bd7 21.
Nxd7 Nxd7 22. Bg3 e5 23. Qg4 Nf6 24. Qg6 e4 25. Bb1 Rae8 26. Bh4 e3 27. Bxf6
exf2+ 28. Kh1 Qxf6 29. Qh7+ Kf7 30. Rxc5 Re1 31. Rc7+ Ke6 32. Qd3 Qe5 33. Qh3+
Kf6 34. Qh4+ Ke6 35. Qe7# 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.1"]
[White "Van Weersel, Arlette"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WFM"]
[WhiteElo "2168"]
[BlackElo "2054"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "1009877"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d6 5. c3 Be7 6. Bb3 Be6 7. Nbd2 h6 8. Nf1
Qd7 9. Ng3 g6 10. d4 Bxb3 11. Qxb3 Rb8 12. h3 Kf8 13. O-O Kg7 14. Be3 a6 15.
Rad1 Qc8 16. Nh2 h5 17. Qc2 h4 18. Ne2 b5 19. f4 b4 20. Nf3 Rh5 21. Bf2 Nd7 22.
Rd2 bxc3 23. bxc3 Na5 24. dxe5 Nc4 25. Rd4 Rb2 26. Qd1 Ndb6 27. exd6 Bxd6 28.
Rxc4 Nxc4 29. Qd4+ Kg8 30. Qxc4 Qb7 31. Nxh4 Ra5 32. e5 Bf8 33. e6 Raxa2 34.
exf7+ Kg7 35. Qe6 Rb6 36. Bxb6 Qxb6+ 37. Qxb6 cxb6 38. Nd4 Kxf7 39. f5 g5 40.
Ng6 Bc5 41. Ne5+ Kf6 42. Nd7+ Kf7 43. Nxc5 bxc5 44. Nf3 Kf6 45. Nh2 a5 46. Ng4+
Kf7 47. f6 a4 48. Ne5+ Kf8 49. f7 Re2 50. Ng6+ Kg7 51. f8=Q+ Kxg6 52. Qg8+ 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.2"]
[White "Rizzo, Marina"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WIM"]
[WhiteElo "2054"]
[BlackElo "2168"]
[ECO "C91"]
[Opening "Ruy Lopez"]
[Variation "closed, Bogolyubov variation"]
[WhiteFideId "102687"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. d4 Bg4 10. d5 Na5 11. Bc2 c6 12. Be3 cxd5 13. exd5 e4 14. h3 Bh5 15. g4
exf3 16. gxh5 Nc4 17. Qxf3 Ne5 18. Qf5 g6 19. hxg6 fxg6 20. Qe6+ Rf7 21. Nd2 Nh5
22. f4 Ng7 23. fxe5 Nxe6 24. dxe6 Rf8 25. Bd4 dxe5 26. Rxe5 Qc7 27. Bb3 Rf4 28.
Re2 Raf8 29. Rae1 R4f5 30. Ne4 a5 31. a3 Rf3 32. h4 Qf4 33. Rg2 Qxh4 34. Bf2 Qf4
35. Ba2 Rh3 36. Bg3 Qh6 37. Rh2 Rxh2 38. Bxh2 Qh4 39. Bg3 Qh3 40. Bd6 Qg4+ 41.
Bg3 h5 42. Kh2 Kh7 43. Bd5 h4 44. Be5 Qf5 45. Bd4 Qxd5 46. Rh1 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.3"]
[White "Van Weersel, Arlette"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WFM"]
[WhiteElo "2168"]
[BlackElo "2054"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "1009877"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 O-O 6. Bb3 d6 7. Nbd2 h6 8. Nf1
Re8 9. Ng3 Bf8 10. h3 g6 11. O-O Bg7 12. Be3 d5 13. Qe2 Be6 14. Rad1 Qe7 15. Ba4
Bd7 16. Bc2 Rad8 17. Rfe1 a6 18. Bc1 Kh7 19. Bb3 Be6 20. Ba4 b5 21. Bc2 g5 22.
exd5 Nxd5 23. d4+ Kh8 24. Nxe5 Nxe5 25. dxe5 Bc8 26. Qe4 f5 27. Nxf5 Bxf5 28.
Qxf5 Bxe5 29. Rxe5 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.4"]
[White "Rizzo, Marina"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WIM"]
[WhiteElo "2054"]
[BlackElo "2168"]
[ECO "C84"]
[Opening "Ruy Lopez"]
[Variation "closed defence"]
[WhiteFideId "102687"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 O-O 7. Re1 d6 8. h3
Nb8 9. d4 Nbd7 10. Nbd2 c5 11. Bc2 Re8 12. Nf1 Bf8 13. Ng3 g6 14. Bg5 h6 15. Be3
Bg7 16. Qd2 Kh7 17. Rad1 Qc7 18. dxe5 dxe5 19. Qd6 Qxd6 20. Rxd6 Bf8 21. Rd2 b5
22. Red1 Nb6 23. b3 Bb7 24. Ne1 Rac8 25. f3 a5 26. Bd3 Bc6 27. Be2 Be7 28. Nd3
Nbd7 29. Nb2 Nf8 30. Nd3 N6d7 31. f4 exf4 32. Nxf4 Nf6 33. Nd5 Bxd5 34. exd5 Bd6
35. Bf2 Bxg3 36. Bxg3 Ne4 37. Bxb5 Nxg3 38. Bxe8 Rxe8 39. d6 Rd8 40. Rd5 Ne2+
41. Kh2 Nxc3 42. Rxc5 Ra8 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.1"]
[White "Orlova, Yelizaveta"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "WIM"]
[WhiteElo "1961"]
[BlackElo "2334"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "modern variation"]
[WhiteFideId "2601826"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 O-O 6. d4 e4 7. Ng3 Re8 8. a3 a6
9. Be2 Bf8 10. c4 d6 11. Nc3 g6 12. Qc2 Qe7 13. Nd5 Nxd5 14. cxd5 Nd8 15. Rc1 c6
16. dxc6 bxc6 17. b4 d5 18. Bc3 Bd7 19. a4 Ne6 20. Rb1 Rec8 21. Qd2 h5 22. h4
Bg7 23. Nxh5 gxh5 24. Bxh5 Rf8 25. g4 f5 26. g5 f4 27. b5 Qd8 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.2"]
[White "Nakhbayeva, Guliskhan"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WCM"]
[WhiteElo "2334"]
[BlackElo "1961"]
[ECO "A44"]
[Opening "Semi-Benoni (`blockade variation')"]
[WhiteFideId "13704788"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 b6 6. Be2 Be7 7. f4 Nd7 8. Nf3 Bf6 9.
O-O Qe7 10. f5 h6 11. Be3 Bg5 12. Bf2 Nf8 13. Nb1 Bd7 14. Na3 g6 15. Nc4 Rb8 16.
Bg3 Bf6 17. a5 b5 18. Nb6 g5 19. Nd2 Bc8 20. Bh5 Nd7 21. Nxc8 Rxc8 22. b3 Qd8
23. Qe2 Ne7 24. Kh1 O-O 25. Rfe1 Kg7 26. Nf1 Qc7 27. Bf2 c4 28. b4 Rb8 29. Ng3
Rbc8 30. Ra3 c3 31. Rb3 Qc4 32. Qd1 Rb8 33. Re3 Qc7 34. Ra3 Rh8 35. Re1 Kf8 36.
Bg4 Ke8 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.3"]
[White "Orlova, Yelizaveta"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "WIM"]
[WhiteElo "1961"]
[BlackElo "2334"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "2601826"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. Nf3 e6 3. b3 b6 4. Bb2 Bb7 5. e3 d5 6. Nbd2 Bd6 7. c4 O-O 8. Bd3
Nbd7 9. O-O a6 10. h3 Ne4 11. Bxe4 dxe4 12. Ne5 Bxe5 13. dxe5 Qg5 14. Qg4 Qxg4
15. hxg4 Rfd8 16. Rfd1 Nc5 17. Bd4 Nd3 18. f3 exf3 19. Nxf3 Nb4 20. a3 Nc2 21.
Rac1 Be4 22. Ng5 Bg6 23. Kf2 Nxa3 24. Bb2 Nc2 25. e4 Rxd1 26. Rxd1 h6 27. Rd2
Nb4 28. Nf3 Bxe4 29. Ke3 Bg6 30. Rd7 Rc8 31. Bc3 Nc6 32. Nd4 Nxe5 33. Re7 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.4"]
[White "Nakhbayeva, Guliskhan"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WCM"]
[WhiteElo "2334"]
[BlackElo "1961"]
[ECO "A57"]
[Opening "Benko gambit half accepted"]
[WhiteFideId "13704788"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Ne4 8. Ne2
g6 9. O-O Nxc3 10. Nxc3 Bg7 11. a4 O-O 12. d6 exd6 13. Qxd6 Ba6 14. Bd2 Qb4 15.
Nd5 Qxb2 16. Rab1 Qa2 17. Rfd1 Bxb5 18. axb5 c4 19. Nf6+ Kh8 20. Bc3 Qa3 21. Bb4
Qa2 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.1"]
[White "Alexandrova, Olga"]
[Black "Pina Vega, Sulennis"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WGM"]
[WhiteElo "2409"]
[BlackElo "2332"]
[ECO "D25"]
[Opening "QGA, 4.e3"]
[WhiteFideId "14102463"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. Qe2 c5 7. dxc5 Bxc5 8. O-O
O-O 9. e4 Nc6 10. e5 Nd7 11. Bd3 g6 12. Bh6 Re8 13. Nbd2 Nd4 14. Nxd4 Bxd4 15.
Nf3 Bc5 16. Rfd1 b6 17. Be4 Ra7 18. Rac1 a5 19. Bc6 Qc7 20. Bb5 Rd8 21. Bg5 Rf8
22. Be7 Re8 23. Bd6 Qb7 24. Ng5 Bxd6 25. Rxd6 Re7 26. Qc4 Nc5 27. Qh4 h5 28.
Rd8+ Kg7 29. Qf4 Ra8 30. Bf1 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.2"]
[White "Pina Vega, Sulennis"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "IM"]
[WhiteElo "2332"]
[BlackElo "2409"]
[ECO "B10"]
[Opening "Caro-Kann"]
[Variation "closed (Breyer) variation"]
[WhiteFideId "3503151"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Qc7 5. g3 Nf6 6. Bg2 Bc5 7. O-O O-O 8. h3 h6
9. Re1 dxe4 10. dxe4 Be6 11. Qe2 Nbd7 12. Nf1 Rfe8 13. g4 Nf8 14. Nh4 Ng6 15.
Nf5 Nf4 16. Qf3 b5 17. N1g3 Rad8 18. Bf1 Kh7 19. Be3 Bf8 20. a4 b4 21. Rad1 g6
22. Nh4 Be7 23. Rxd8 Rxd8 24. Bxf4 exf4 25. Ne2 Nd7 26. Ng2 g5 27. e5 Nxe5 28.
Qe4+ f5 29. gxf5 Bd5 30. Qd4 Bf8 31. Ra1 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.3"]
[White "Alexandrova, Olga"]
[Black "Pina Vega, Sulennis"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "WGM"]
[WhiteElo "2409"]
[BlackElo "2332"]
[ECO "A44"]
[Opening "Old Benoni defence"]
[WhiteFideId "14102463"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. d4 c5 2. d5 e5 3. c4 d6 4. e4 Be7 5. Nf3 Nf6 6. Nc3 Nbd7 7. g3 Nf8 8. h4 a6
9. a4 Rb8 10. Rb1 Bg4 11. Bh3 Bxh3 12. Rxh3 Qd7 13. Rh1 h5 14. Bd2 Bd8 15. Ng5
Ba5 16. Qe2 Bxc3 17. Bxc3 Qxa4 18. f4 Ng4 19. b3 Qd7 20. fxe5 dxe5 21. b4 cxb4
22. Rxb4 f6 23. Nf3 Qc7 24. Nh2 Nxh2 25. Rxh2 Nd7 26. g4 hxg4 27. Qxg4 Nc5 28.
Rd2 Qd7 29. Qg3 g5 30. Bxe5 Nxe4 31. Qe3 Rxh4 32. Bxb8 Rh1+ 33. Ke2 Qg4+ 34. Kd3
Rh3 35. Qxh3 Qxh3+ 36. Kxe4 Qh1+ 37. Kd3 b5 38. cxb5 Qxd5+ 39. Kc3 Qc5+ 40. Kb3
Qe3+ 41. Kc2 Qc5+ 42. Kb3 Qe3+ 43. Kc2 Qc5+ 44. Kb3 a5 45. Re4+ 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.17"]
[Round "2.4"]
[White "Pina Vega, Sulennis"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "IM"]
[WhiteElo "2332"]
[BlackElo "2409"]
[ECO "B10"]
[Opening "Caro-Kann"]
[Variation "closed (Breyer) variation"]
[WhiteFideId "3503151"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Qc7 5. g3 Nf6 6. Bg2 Bc5 7. O-O O-O 8. h3
Re8 9. Qe2 dxe4 10. dxe4 b6 11. Nc4 Ba6 12. b3 Nbd7 13. Nh4 Bd4 14. Rb1 Nc5 15.
Bg5 Nfd7 16. Bd2 Ne6 17. b4 b5 18. Na3 Bb6 19. c3 Rad8 20. Nc2 Nf6 21. Rfd1 Bc8
22. Nf5 a6 23. Kh1 c5 24. a3 Bb7 25. Rf1 c4 26. Rbe1 Qd7 27. Be3 Bxe3 28. Qxe3
Qd3 29. Re2 Qxe3 30. Rxe3 Rd2 31. Ne1 g6 32. Nf3 Rdd8 33. Nh6+ Kg7 34. Ng4 Nxg4
35. hxg4 f6 36. Ra1 Bc6 37. Kg1 Ng5 38. Nxg5 fxg5 39. Bf1 a5 40. a4 bxa4 41.
Bxc4 axb4 42. cxb4 Rd4 43. Bd5 Bxd5 44. exd5 Rxb4 45. d6 Kf6 46. Rc1 Rd4 47. Rc6
Ke6 48. Ra6 Rxg4 49. Ra5 Kxd6 50. Ra3 Rc8 51. R5xa4 Rxa4 52. Rxa4 h5 53. Ra7 Ke6
54. Ra6+ Kf5 55. Ra7 h4 56. Ra4 hxg3 57. fxg3 e4 58. Kf2 Rc2+ 59. Ke3 Rc3+ 60.
Kf2 Rc2+ 61. Ke3 Rg2 62. Ra5+ Kg4 63. Kxe4 Rxg3 64. Ra1 Rg2 65. Ke3 Kg3 66. Ra5
g4 67. Rg5 Rg1 68. Rxg6 Re1+ 69. Kd2 Re8 70. Rg7 Kf3 71. Rf7+ Kg2 72. Rg7 g3 73.
Rf7 Kg1 74. Rg7 g2 75. Rf7 Re5 76. Rf6 Kh2 77. Rh6+ Kg3 78. Rg6+ Kf3 79. Rf6+
Kg4 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.1"]
[White "Pina Vega, Sulennis"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WIM"]
[WhiteElo "2332"]
[BlackElo "2168"]
[ECO "C86"]
[Opening "Ruy Lopez"]
[Variation "Worrall attack"]
[WhiteFideId "3503151"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O d6 7. c3 O-O 8. d3
Bd7 9. Bc2 Re8 10. Nbd2 Bf8 11. Rd1 Ne7 12. Nf1 Ng6 13. g3 c6 14. Ne3 Qc7 15.
Nf5 h6 16. N3h4 Nxh4 17. Nxh4 Bg4 18. f3 Be6 19. Be3 d5 20. Nf5 Qc8 21. g4 Nh7
22. Kh1 Qd8 23. Rg1 g5 24. h4 dxe4 25. fxe4 Qf6 26. Raf1 Bxf5 27. Rxf5 Qg6 28.
Bb3 Re6 29. Rgf1 Rf6 30. Rxf6 Nxf6 31. hxg5 hxg5 32. Rf5 Bg7 33. Rxg5 Qh7+ 34.
Kg1 Qh3 35. Rf5 Rf8 36. Qf3 Qxg4+ 37. Qxg4 Nxg4 38. Bc5 Rd8 39. Bxf7+ Kh8 40.
Rh5+ Nh6 41. Rh3 Kh7 42. Bb3 Rb8 43. Kf2 b6 44. Be3 Rf8+ 45. Ke2 c5 46. Be6 Kg6
47. a4 a5 48. Rg3+ Kh7 49. Bc4 Rf6 50. Rg5 Rg6 51. Rxg6 Kxg6 52. b4 axb4 53.
cxb4 cxb4 54. Bxb6 Nf7 55. Bxf7+ Kxf7 56. a5 Bh6 57. d4 b3 58. Kd3 exd4 59. Bxd4
Bf4 60. a6 Bb8 61. a7 Bxa7 62. Bxa7 Ke6 63. Kd2 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.2"]
[White "Van Weersel, Arlette"]
[Black "Pina Vega, Sulennis"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WGM"]
[WhiteElo "2168"]
[BlackElo "2332"]
[ECO "B20"]
[Opening "Sicilian defence"]
[WhiteFideId "1009877"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. e4 c5 2. c4 d6 3. Ne2 Nf6 4. Nbc3 e6 5. d4 cxd4 6. Nxd4 Be7 7. Be2 a6 8. O-O
O-O 9. Be3 b6 10. Qd2 Bb7 11. f3 Nbd7 12. Rfd1 Rc8 13. Rac1 Ne5 14. b3 Qc7 15.
Na4 Ned7 16. Bf1 Rfe8 17. Qf2 Bd8 18. Ne2 Nc5 19. Nac3 Qb8 20. Nd4 Bc7 21. g3 h5
22. Bg5 Ncd7 23. Na4 Nh7 24. Be3 g5 25. Bg2 Kh8 26. Qb2 Kg8 27. Ne2 d5 28. Qd2
g4 29. fxg4 hxg4 30. Rf1 b5 31. cxb5 axb5 32. Nac3 Ba5 33. exd5 exd5 34. Bd4 Ne5
35. Qf4 Nf3+ 36. Bxf3 Qxf4 37. Nxf4 gxf3 38. Nxb5 Rxc1 39. Rxc1 Bd2 40. Rd1 Bxf4
41. gxf4 Ba6 42. Nc7 Be2 43. Nxe8 Bxd1 44. Kf2 Kf8 45. Nc7 Bc2 46. Nxd5 Be4 47.
Nc3 Bb7 48. b4 Ke8 49. a4 Nf8 50. b5 Ne6 51. Be3 Kd7 52. a5 Nc7 53. h4 Ke6 54.
Bb6 Nd5 55. Nxd5 Bxd5 56. Bd8 Bc4 57. b6 Ba6 58. Kxf3 Kf5 59. Kg3 Bb7 60. Bc7
Kg6 61. Kg4 Bc8+ 62. Kf3 Bb7+ 63. Ke3 Kh5 64. Kd4 Kxh4 65. Kc5 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.3"]
[White "Pina Vega, Sulennis"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WIM"]
[WhiteElo "2332"]
[BlackElo "2168"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Wormald (Alapin) attack"]
[WhiteFideId "3503151"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. c3 d6 7. O-O O-O 8. d3
Bd7 9. Bb3 Na5 10. Bc2 c5 11. Re1 Nc6 12. Nbd2 Re8 13. Nf1 h6 14. Ne3 Bf8 15. a4
b6 16. Bb3 Be6 17. Bxe6 Rxe6 18. Nf5 Kh7 19. h3 Re8 20. Nh2 g6 21. Ng3 d5 22.
Ng4 Nxg4 23. Qxg4 dxe4 24. dxe4 Qf6 25. Be3 Na5 26. Rad1 Rad8 27. Qe2 Qe6 28.
Rxd8 Rxd8 29. Qxa6 Qb3 30. Qb5 Qxb5 31. axb5 Nc4 32. b3 Na3 33. Ne2 Nxb5 34. c4
Nd4 35. Bxd4 exd4 36. Rd1 Ra8 37. Nf4 b5 38. cxb5 Rb8 39. Kf1 Rxb5 40. Rd3 Ra5
41. Nd5 Ra1+ 42. Ke2 Ra2+ 43. Rd2 Ra3 44. Rb2 Kg7 45. Kd3 Ra1 46. f4 Rd1+ 47.
Rd2 Rb1 48. Kc2 Re1 49. e5 g5 50. g3 Rg1 51. Rd3 Rg2+ 52. Kd1 Rg1+ 53. Ke2 Rg2+
54. Kf3 Ra2 55. Ke4 Re2+ 56. Kf5 gxf4 57. gxf4 Rg2 58. Nf6 Be7 59. Rg3+ Rxg3 60.
Nh5+ Kf8 61. Nxg3 Bh4 62. Nf1 Be1 63. Ke4 Ke7 64. Nh2 d3 65. Kxd3 Bg3 66. Nf3
Bxf4 67. Ke4 Bg3 68. Kd5 Bf2 69. Nd2 Bd4 70. Ne4 Bg1 71. Nxc5 f6 72. exf6+ Kxf6
73. b4 Kg5 74. b5 Bh2 75. b6 Kh4 76. Nd7 Bg1 77. b7 Ba7 78. Ne5 Bb8 79. Nc6 Bc7
80. Nb4 Bb8 81. Ke6 Kxh3 82. Kd7 h5 83. Kc8 Bf4 84. Nd5 Bd6 85. Nc7 h4 86. b8=Q
Bxc7 87. Qxc7 Kg2 88. Qg7+ Kh2 89. Qe5+ Kg2 90. Qg5+ Kh3 91. Kd7 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.4"]
[White "Van Weersel, Arlette"]
[Black "Pina Vega, Sulennis"]
[Result "1/2-1/2"]
[WhiteTitle "WIM"]
[BlackTitle "WGM"]
[WhiteElo "2168"]
[BlackElo "2332"]
[ECO "B20"]
[Opening "Sicilian defence"]
[WhiteFideId "1009877"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. e4 c5 2. c4 Nc6 3. Ne2 e5 4. Nbc3 d6 5. g3 g6 6. Bg2 Bg7 7. O-O Nge7 8. d3
O-O 9. f4 exf4 10. gxf4 f5 11. Be3 Nd4 12. Rc1 Nec6 13. b3 Be6 14. Qe1 Re8 15.
Qg3 a6 16. Bf2 Qa5 17. Nxd4 Nxd4 18. e5 Rab8 19. Bxd4 cxd4 20. Nd5 dxe5 21. fxe5
Bxd5 22. Bxd5+ Kh8 23. Rce1 Qc7 24. e6 Qxg3+ 25. hxg3 Re7 26. Kf2 Bh6 27. Kf3
Kg7 28. Rh1 Be3 29. a4 a5 30. Rxe3 dxe3 31. Kxe3 b6 32. d4 Kf6 33. Kd3 h5 34. c5
bxc5 35. dxc5 Ke5 36. Bc4 Rc8 37. Re1+ Kf6 38. Kd4 g5 39. Bd5 f4 40. gxf4 gxf4
41. c6 h4 42. Ke4 Rxc6 43. Kxf4 Rd6 44. Bc4 Rd4+ 45. Kf3 Rg7 46. Rf1 Ke7 47. Ke3
Rdg4 48. Rd1 Rg3+ 49. Kd4 h3 50. Bd5 Rg1 51. Rd2 Kd6 52. Kc4 Rc1+ 53. Kd4 h2 54.
Ke3 Ke5 55. Rxh2 Kxd5 56. Rh5+ Kxe6 57. Rxa5 Rc3+ 58. Kd4 Rxb3 59. Ra6+ Kf5 60.
a5 Rc7 61. Ra8 Ke6 62. a6 Ra3 63. Rh8 Ra4+ 64. Kd3 Kd7 65. Rh6 Ra7 66. Rh7+ Kc6
67. Rxa7 Kb6 68. Ra8 Rxa6 69. Rxa6+ Kxa6 70. Ke4 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.1"]
[White "Nakhbayeva, Guliskhan"]
[Black "Alexandrova, Olga"]
[Result "1/2-1/2"]
[WhiteTitle "WIM"]
[BlackTitle "IM"]
[WhiteElo "2334"]
[BlackElo "2409"]
[ECO "E46"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteFideId "13704788"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. cxd5 exd5 8. Ng3
Re8 9. Bd3 c6 10. O-O a5 11. Bd2 Na6 12. Rc1 Nc7 13. Na4 Ne6 14. Qb3 b5 15. Nc5
Nxc5 16. dxc5 g6 17. Bc3 Bf8 18. Bd4 Ne4 19. Nxe4 dxe4 20. Be2 Bg7 21. Rfd1 Bxd4
22. Rxd4 Qe7 23. Rd6 Qc7 24. Rcd1 Be6 25. Qc3 Rab8 26. b4 axb4 27. axb4 Bd5 28.
h4 Red8 29. Qf6 Rxd6 30. cxd6 Qd8 31. Qf4 Qd7 32. Bg4 f5 33. Be2 Rd8 34. Bxb5
Qxd6 35. Qxd6 Rxd6 36. Bxc6 Rxc6 37. Rxd5 Rc1+ 38. Kh2 Rb1 39. Rb5 Kg7 40. Rb6
h6 41. Kg3 g5 42. Rb8 Rb2 43. hxg5 hxg5 44. b5 Rb3 45. b6 f4+ 46. Kg4 fxe3 47.
fxe3 Rxe3 48. Kxg5 Rb3 49. Kf4 e3 50. Kf3 Kh7 51. b7 Kg7 52. g4 Kh7 53. g5 Kg7
54. g6 Rb6 55. Kxe3 Rb1 56. Kd2 Rb2+ 57. Kc3 Rb1 58. Kc4 Rc1+ 59. Kd3 Rb1 60.
Ke4 Re1+ 61. Kf5 Rf1+ 62. Ke6 Re1+ 63. Kd6 Rd1+ 64. Kc5 Rc1+ 65. Kd4 Rd1+ 66.
Kc3 Rb1 67. Kc2 Rb6 68. Kc3 Rb1 69. Kc2 Rb6 70. Kc3 Rb1 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.2"]
[White "Alexandrova, Olga"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2409"]
[BlackElo "2334"]
[ECO "E11"]
[Opening "Bogo-Indian defence"]
[WhiteFideId "14102463"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. e3 b6 6. Nc3 Bb7 7. Bd3 O-O 8. O-O
d6 9. a3 Bxc3 10. Bxc3 a4 11. Qe2 Nbd7 12. e4 Re8 13. e5 Nh5 14. Qe3 f5 15. exf6
Qxf6 16. Ng5 h6 17. Ne4 Qf7 18. f4 Rf8 19. g3 Nhf6 20. Nf2 b5 21. Rae1 Rfe8 22.
cxb5 Nb6 23. Ne4 Bxe4 24. Bxe4 d5 25. Bd3 Nc8 26. Bb4 Nd6 27. Bxd6 cxd6 28. h3
Rac8 29. Rc1 Nd7 30. Rc6 Rxc6 31. bxc6 Nb6 32. Rc1 Rc8 33. g4 Rc7 34. Kg2 Nc4
35. Bxc4 dxc4 36. Rxc4 e5 37. Rc3 Qd5+ 38. Qf3 e4 39. Qe3 Rxc6 40. Rxc6 Qxc6 41.
Qc3 Qa6 42. Kf2 Kh7 43. b4 axb3 44. Qxb3 Qc6 45. Ke3 d5 46. Kd2 Qf6 47. Ke3 Qc6
48. Kd2 Qd6 49. Ke3 g5 50. Qb7+ Kg6 51. f5+ Kf6 52. Qh7 Qxa3+ 53. Ke2 Qb2+ 54.
Ke3 Qc3+ 55. Ke2 Qd3+ 56. Ke1 Qe3+ 57. Kf1 Qxh3+ 58. Ke1 Qg3+ 59. Kd2 Qg2+ 60.
Kc3 Qxg4 61. Qg6+ Ke7 62. Qe6+ Kd8 63. Qxd5+ Kc7 64. Qc5+ Kd7 65. Qd5+ Kc7 66.
Qf7+ Kb6 67. Qe6+ Kc7 68. Qe5+ Kd7 69. f6 Qe6 70. Qb5+ Kc7 71. Qa5+ Kc8 72. Qc5+
Kd7 73. Qa7+ Ke8 74. Qb8+ Kf7 75. Kd2 e3+ 76. Ke2 Kxf6 77. Qh8+ Kg6 78. Qd8 g4
79. d5 Qe4 80. Qg8+ Kh5 81. Qf7+ Kh4 82. Qf6+ Kg3 83. Qd6+ Kg2 84. Qxh6 Qf3+ 85.
Kd3 e2+ 86. Kd4 e1=Q 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.3"]
[White "Nakhbayeva, Guliskhan"]
[Black "Alexandrova, Olga"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "IM"]
[WhiteElo "2334"]
[BlackElo "2409"]
[ECO "D41"]
[Opening "QGD"]
[Variation "Semi-Tarrasch, 5.cd"]
[WhiteFideId "13704788"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8.
cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rad1 Bb7 14. Rfe1
Rc8 15. Bd3 Qe7 16. d5 Nc5 17. Bb1 exd5 18. exd5 Qd6 19. Qg5 Rfe8 20. Nd4 h6 21.
Qxg7+ Kxg7 22. Nf5+ Kf6 23. Nxd6 Rxe1+ 24. Rxe1 Rd8 25. Ne8+ Kg5 26. Re5+ f5 27.
Rxf5+ Kg6 28. Rf8+ Kg5 29. f4+ 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.4"]
[White "Alexandrova, Olga"]
[Black "Nakhbayeva, Guliskhan"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WIM"]
[WhiteElo "2409"]
[BlackElo "2334"]
[ECO "E11"]
[Opening "Bogo-Indian defence"]
[WhiteFideId "14102463"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. Nc3 d6 6. e3 Nbd7 7. Qc2 e5 8. a3
Bxc3 9. Bxc3 Qe7 10. Be2 O-O 11. O-O e4 12. Nd2 d5 13. b4 a4 14. b5 Re8 15. Bb4
Qe6 16. Rfc1 c6 17. cxd5 cxd5 18. Qc7 Nf8 19. Qd6 Qf5 20. Nf1 Ng6 21. Rc7 h5 22.
Rac1 h4 23. h3 Qg5 24. Kh2 Nf8 25. Re7 Ng6 26. Rxe8+ Nxe8 27. Qb6 Nf4 28. exf4
Qxf4+ 29. Kg1 Qxc1 30. Qd8 Bg4 31. Qxa8 Bxe2 32. Qxe8+ Kh7 33. Qxf7 Qxf1+ 34.
Kh2 Bf3 35. Qf5+ Kh8 36. Qg5 Qxf2 37. Bd6 Bxg2 38. Qxg2 Qxd4 39. Qe2 Kg8 40. Qc2
Qf6 41. Qc8+ Kh7 42. Bc5 Qf4+ 43. Kg2 Qg3+ 44. Kf1 Qf3+ 45. Ke1 e3 46. Qf8 Qxh3
47. Qf4 Qh1+ 48. Ke2 Qg2+ 49. Kxe3 Qg1+ 50. Qf2 Qc1+ 51. Kd4 Qc4+ 52. Ke5 Qe4+
53. Kd6 h3 54. Be3 Kg8 55. Bf4 Qf5 56. Qg3 d4 57. Be5 g5 58. Bxd4 g4 59. Be5 Qf3
60. Qh4 Qd3+ 61. Ke6 Qg6+ 62. Bf6 g3 63. Qh8# 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.1"]
[White "Rizzo, Marina"]
[Black "Orlova, Yelizaveta"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WCM"]
[WhiteElo "2054"]
[BlackElo "1961"]
[ECO "B32"]
[Opening "Sicilian defence"]
[WhiteFideId "102687"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 g6 6. Be3 Qb4+ 7. N1d2 Bg7 8.
c3 Qd6 9. Be2 Qc7 10. O-O Nf6 11. f4 d6 12. Kh1 O-O 13. Qe1 b6 14. Bf3 Bb7 15.
Qg3 b5 16. Rad1 Rad8 17. h4 Kh8 18. Nd4 a6 19. Qh2 e5 20. Ne2 exf4 21. Bxf4 Ne5
22. Nd4 Neg4 23. Qg3 h5 24. Bg5 Rd7 25. Rfe1 b4 26. Rc1 bxc3 27. Rxc3 Qb6 28.
N2b3 a5 29. Ne2 Nxe4 30. Bxe4 Bxe4 31. Re3 Nxe3 32. Bxe3 Qa6 33. Nc3 Bb7 34. Qg5
a4 35. Nd4 a3 36. bxa3 Qxa3 37. Ncb5 Qxa2 38. Nc3 Qc4 39. Nce2 Qd5 40. Qxd5 Bxd5
41. Nf4 Bb7 42. Rb1 Kh7 43. Nh3 Re8 44. Ng5+ Kg8 45. Bf4 Bxd4 46. Kh2 f6 47. Nh3
Re2 48. Ng1 Re6 49. Ra1 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.2"]
[White "Orlova, Yelizaveta"]
[Black "Rizzo, Marina"]
[Result "1/2-1/2"]
[WhiteTitle "WCM"]
[BlackTitle "WFM"]
[WhiteElo "1961"]
[BlackElo "2054"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "modern variation"]
[WhiteFideId "2601826"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. c4 Bf5 5. a3 a5 6. Nc3 Nf6 7. d3 Be7 8. Be2 O-O
9. g4 Be6 10. h4 Qd7 11. g5 Ne8 12. Nd5 Bd8 13. Nf3 Ne7 14. Nxe7+ Bxe7 15. h5 f6
16. h6 fxg5 17. hxg7 Nxg7 18. d4 e4 19. Nd2 d5 20. cxd5 Bxd5 21. Bg4 Qd6 22. Nc4
Qf6 23. Qd2 b6 24. Ne5 Rfd8 25. Qc2 Bd6 26. O-O-O Qf8 27. a4 Bxe5 28. dxe5 Qf7
29. e6 Nxe6 30. Bxe6 Qxe6 31. Qc3 Qc6 32. Qxc6 Bxc6 33. Rh5 Rxd1+ 34. Kxd1 Rd8+
35. Kc2 Rd5 36. Rh6 Bd7 37. Rf6 Rf5 38. Rxf5 Bxf5 39. Bf6 g4 40. Bd8 h5 41. Bxc7
h4 42. Kc3 Kf7 43. Kc4 Bd7 44. Kd5 b5 45. axb5 Bxb5 46. Kxe4 a4 47. bxa4 Bxa4
48. Kf4 Bd1 49. Kg5 h3 50. Kh4 Ke8 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.3"]
[White "Rizzo, Marina"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WFM"]
[BlackTitle "WCM"]
[WhiteElo "2054"]
[BlackElo "1961"]
[ECO "B34"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation"]
[WhiteFideId "102687"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8.
Qd2 d6 9. f3 Bd7 10. g4 Rc8 11. O-O-O Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. h5 Ne8
15. hxg6 fxg6 16. Qh2 Nf6 17. Nd5 Nxd5 18. exd5 Kf7 19. Ne6 Bxe6 20. dxe6+ Ke8
21. Qxh7 Bxb2+ 22. Kxb2 Qa5 23. Qxg6+ Kd8 24. Rxd6+ Kc8 25. Rd3 Qe5+ 26. Kb1
Rb4+ 27. Rb3 Rxb3+ 28. axb3 Qxe3 29. Rd1 Qxf3 30. Rd3 Qf1+ 31. Kb2 Qf6+ 32. Qxf6
Rxf6 33. Re3 Kc7 34. Kc3 Kd6 35. Kd4 Rg6 36. Re4 Rxe6 37. Rxe6+ Kxe6 38. Ke4 Kf6
39. Kf4 Kg6 40. Ke4 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.18"]
[Round "3.4"]
[White "Orlova, Yelizaveta"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WCM"]
[BlackTitle "WFM"]
[WhiteElo "1961"]
[BlackElo "2054"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2601826"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. d4 d5 2. Nf3 Nf6 3. b3 Bf5 4. Bb2 Nbd7 5. e3 e6 6. c4 c6 7. Nbd2 h6 8. Be2
Bd6 9. h3 Bh7 10. a3 O-O 11. b4 a6 12. Qb3 Re8 13. Bd3 Bxd3 14. Qxd3 b5 15. c5
Bc7 16. Ne5 Nxe5 17. dxe5 Nd7 18. Nf3 Qb8 19. Qd4 a5 20. O-O axb4 21. axb4 Ra4
22. Kh1 Qa7 23. g4 Ra8 24. h4 Qb8 25. g5 hxg5 26. hxg5 g6 27. Kg2 Rxa1 28. Bxa1
Ra4 29. Rh1 Rxa1 30. Qxa1 Nxe5 31. Nd4 Qd8 32. Nxc6 Qxg5+ 33. Kf1 f6 34. Qd1 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.1"]
[White "Van Weersel, Arlette"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WCM"]
[WhiteElo "2168"]
[BlackElo "1961"]
[ECO "B38"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind, 6.Be3"]
[WhiteFideId "1009877"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. c4 g6 3. Ne2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2
O-O 9. O-O Bd7 10. Nb3 Na5 11. f3 Rc8 12. Nxa5 Qxa5 13. Rc1 a6 14. Qd2 Rfe8 15.
Rfd1 b5 16. c5 b4 17. Nb1 Bb5 18. cxd6 exd6 19. Bxb5 Qxb5 20. Qxd6 h5 21. Qd2
Kh7 22. b3 a5 23. Qf2 Nd7 24. Qf1 Qxf1+ 25. Kxf1 Ne5 26. Nd2 a4 27. bxa4 Ra8 28.
h3 Rxa4 29. f4 Nd3 30. Rc7 Rxa2 31. Rxf7 Rf8 32. Rxf8 Bxf8 33. Nc4 Nb2 34. Rd7+
Kg8 35. Ne5 Ra3 36. Bd4 Nd3 37. Nxg6 b3 38. Rd8 Kf7 39. Nxf8 Ke7 40. Rb8 Nxf4
41. Bc5+ Kf7 42. Ke1 Ra8 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.2"]
[White "Orlova, Yelizaveta"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "WCM"]
[BlackTitle "WIM"]
[WhiteElo "1961"]
[BlackElo "2168"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "Indian variation"]
[WhiteFideId "2601826"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 O-O 6. g3 c6 7. Bg2 f5 8. Rc1
d6 9. e3 Nd7 10. Nge2 Nf6 11. O-O Re8 12. Nf4 Ne4 13. d4 Qa5 14. Qc2 Nxc3 15.
Qxc3 Qxc3 16. Rxc3 Bd7 17. Rd3 Rad8 18. b4 a6 19. Rc1 Rc8 20. a4 h6 21. a5 g5
22. Ne2 Kh7 23. Nc3 Kg6 24. Na4 Rcd8 25. Nb6 Re7 26. d5 Be8 27. Rcd1 Be5 28. f4
Bf6 29. c5 cxd5 30. Nxd5 Red7 31. Nb6 Be7 32. Nxd7 Rxd7 33. cxd6 Bf8 34. e4 fxe4
35. Bxe4+ f5 36. Bg2 Kf6 37. fxg5+ hxg5 38. Re1 Bf7 39. Bxb7 Rxd6 40. Rxd6+ Bxd6
41. Bxa6 Bxb4 42. Ra1 Bc3 43. Ra3 Bb4 44. Ra4 Bc5+ 45. Kg2 Bd5+ 46. Kf1 Ke5 47.
Ke2 Bg1 48. h4 gxh4 49. Rxh4 Bd4 50. Bd3 Be6 51. a6 Ba7 52. Rh7 Bd4 53. a7 Bd5
54. Rd7 Bc6 55. Rc7 Bg2 56. Ba6 Kd6 57. Rh7 Be4 58. Bb7 Bxa7 59. Bxe4 Bd4 60.
Bxf5 Ke5 61. g4 Kf4 62. Rd7 Bf6 63. Rd3 Ba1 64. Rf3+ Kg5 65. Ke3 Bb2 66. Ke4 Ba1
67. Ra3 Bb2 68. Ra6 Bf6 69. Kd5 Bb2 70. Ke6 Kh6 71. Kf7+ Kg5 72. Rg6+ Kf4 73.
Bd7 Ke5 74. g5 Bc1 75. Re6+ Kf4 76. g6 Bb2 77. g7 Bxg7 78. Kxg7 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.3"]
[White "Van Weersel, Arlette"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WCM"]
[WhiteElo "2168"]
[BlackElo "1961"]
[ECO "B38"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind, 6.Be3"]
[WhiteFideId "1009877"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2
O-O 9. O-O Bd7 10. Nb3 Ne5 11. f3 Rc8 12. Nd2 b6 13. Rc1 Bc6 14. b4 Bb7 15. Qb3
Qc7 16. Nb5 Qb8 17. a4 Ba6 18. Na3 Rfd8 19. Rfd1 e6 20. Bf1 d5 21. cxd5 Bxf1 22.
Rxc8 Qxc8 23. Nxf1 exd5 24. exd5 Qb7 25. d6 Ne8 26. Nb5 a6 27. Nc3 Rxd6 28. Ne4
Rxd1 29. Qxd1 Qc7 30. Bf2 Nc4 31. Qd5 Ned6 32. Nxd6 Nxd6 33. Qa8+ Qc8 34. Qa7 b5
35. Qc5 Qd7 36. axb5 axb5 37. Qd5 Qe6 38. Qa8+ Qe8 39. Qxe8+ Nxe8 40. Ne3 Bc3
41. Nd5 Kg7 42. Nxc3 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.4"]
[White "Orlova, Yelizaveta"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "WIM"]
[WhiteElo "1961"]
[BlackElo "2168"]
[ECO "E60"]
[Opening "King's Indian defence"]
[WhiteFideId "2601826"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. Nf3 d5 6. e3 c6 7. Nbd2 b6 8. Be2 Bb7
9. O-O Nbd7 10. Rc1 Rc8 11. Qc2 c5 12. Qb1 Rc7 13. Rfd1 Qa8 14. cxd5 Bxd5 15.
Bc4 Bb7 16. Bd3 Rfc8 17. Bb5 a6 18. Bxd7 Rxd7 19. Ne5 Rdd8 20. f3 Nd5 21. Nf1
cxd4 22. Bxd4 f6 23. Nc4 b5 24. Na5 e5 25. Nxb7 Qxb7 26. Bc5 Nc7 27. Be7 Rxd1
28. Rxd1 Ne6 29. Qd3 Qxe7 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.1"]
[White "Alexandrova, Olga"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WFM"]
[WhiteElo "2409"]
[BlackElo "2054"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "14102463"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 c6 6. e3 O-O 7. a3 Bd6 8. Bxd6
Qxd6 9. c5 Qe7 10. Ne5 Nbd7 11. f4 Nxe5 12. fxe5 Ne8 13. Qh5 g6 14. Qh6 f6 15.
exf6 Qxf6 16. O-O-O e5 17. Be2 exd4 18. exd4 Ng7 19. g4 Qf4+ 20. Qxf4 Rxf4 21.
Rhf1 Ne6 22. Rxf4 Nxf4 23. Bf3 Bd7 24. Kd2 Re8 25. h4 h6 26. b4 g5 27. h5 Kg7
28. a4 Ne6 29. Ne2 Nf8 30. Rb1 Nh7 31. b5 Nf6 32. bxc6 Bxc6 33. Ng3 Ne4+ 34.
Bxe4 dxe4 35. Nf5+ Kh7 36. Ke3 a5 37. Rb6 Rf8 38. d5 Bxa4 39. Rxb7+ Kh8 40. Nxh6
Bc2 41. Nf7+ Kg8 42. Nxg5 a4 43. Ra7 Rc8 44. c6 Bb3 45. Kxe4 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.2"]
[White "Rizzo, Marina"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "IM"]
[WhiteElo "2054"]
[BlackElo "2409"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "102687"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 d6 7. Be3 Bb7 8. Be2
Nf6 9. f3 Be7 10. O-O Nbd7 11. Qe1 O-O 12. Rd1 Qc7 13. Qg3 Ne5 14. Kh1 Nc4 15.
Bc1 Nxa3 16. Bh6 Ne8 17. Ncxb5 Nxb5 18. Nxb5 axb5 19. Bxb5 Bc6 20. Bd3 Kh8 21.
Bf4 e5 22. Bd2 Nf6 23. Bc3 Qb7 24. Bc4 Bb5 25. Bxb5 Qxb5 26. Rde1 Bd8 27. Qf2
Ba5 28. Bxa5 Rxa5 29. b3 Qc5 30. Qd2 Ra2 31. Rc1 Rc8 32. h3 h6 33. b4 Qd4 34.
Qxd4 exd4 35. Rfd1 Rc4 36. b5 Nd7 37. Rd2 Nc5 38. Rcd1 Ne6 39. Rb1 Rcxc2 40.
Rxc2 Rxc2 41. b6 Rc8 42. Kg1 Nc5 43. Kf1 Rb8 44. Ke2 Kh7 45. Rb5 Na4 46. Rb4
Nxb6 47. Rxd4 Nc8 48. Ke3 Rb6 49. h4 h5 50. Kf4 Kg6 51. g4 hxg4 52. fxg4 f6 53.
h5+ Kf7 54. Rd5 Ne7 55. Ra5 Rb1 56. Ra7 Ke6 57. Ra5 Rf1+ 58. Ke3 Rg1 59. Kf4 Rc1
60. Ke3 Rc5 61. Ra7 d5 62. Kd3 dxe4+ 63. Kxe4 Rc4+ 64. Kf3 Rd4 65. Ra6+ Rd6 66.
Ra5 Nc6 67. Ra8 Ne5+ 68. Ke4 Nxg4 69. Rg8 Kf7 70. Ra8 Ne5 71. Ra7+ Rd7 72. Ra5
Rb7 73. Kf5 Nd7 74. Ra3 Rb5+ 75. Kg4 Rg5+ 76. Kh4 Ne5 77. Ra7+ Kg8 78. Ra8+ Kh7
79. Ra7 Rg4+ 80. Kh3 Rc4 81. Ra5 Kh6 82. Ra7 Rd4 83. Ra8 Kxh5 84. Rh8+ Kg5 85.
Rg8 g6 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.3"]
[White "Alexandrova, Olga"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WFM"]
[WhiteElo "2409"]
[BlackElo "2054"]
[ECO "D37"]
[Opening "QGD"]
[Variation "4.Nf3"]
[WhiteFideId "14102463"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 b6 5. Bg5 Be7 6. e3 Bb7 7. cxd5 Nxd5 8. Bxe7
Qxe7 9. Bd3 O-O 10. O-O Nf6 11. e4 Nbd7 12. e5 Nd5 13. Nxd5 Bxd5 14. Qe2 Rfd8
15. Be4 Nf8 16. Rac1 Rac8 17. Bxd5 Rxd5 18. Rc6 a5 19. Rfc1 Qd8 20. Qc2 Rd7 21.
Rxb6 c5 22. Rb5 c4 23. Qc3 Ra7 24. a4 Ng6 25. g3 Ne7 26. Nd2 Nd5 27. Qf3 Qg5 28.
Qd1 Rac7 29. Ne4 Qd8 30. Nd6 Rb8 31. Rxc4 Rxc4 32. Nxc4 h6 33. Qd2 Nb4 34. Rxb8
Qxb8 35. Ne3 Qb7 36. Nc4 Qd5 37. Qc3 g6 38. Nd2 Kg7 39. b3 Nc6 40. Nf3 Nb4 41.
h4 Nc6 42. Qe3 Nb4 43. Kg2 Nc6 44. Qc3 Nb4 45. g4 Nc6 46. g5 h5 47. Qe3 Nb4 48.
Kg3 Nc6 49. Kf4 Nb4 50. Qc3 Qd7 51. Qc4 Nd5+ 52. Kg3 Nb4 53. Nd2 Nc6 54. Nf3 Nb4
55. Qb5 Nc6 56. Kf4 Qc7 57. Qc5 Qd7 58. Ke4 Qb7 59. Qb5 Qd7 60. Ke3 Qc7 61. Qc5
Qd7 62. Nd2 Qb7 63. Qb5 Qd7 64. Qc5 Qb7 65. Qb5 Qd7 66. Nf3 Qc7 67. Ke4 Qd7 68.
Qc5 Qc7 69. Nd2 Qd7 70. Nc4 Qc7 71. Nb6 Qb7 72. Ke3 Nb4 73. d5 Qxb6 74. Qxb6
Nxd5+ 75. Kd4 Nxb6 76. Kc5 Nd7+ 77. Kb5 Nxe5 78. Kxa5 Nd3 79. Kb6 Kf8 80. a5 Ke7
81. a6 Kd6 82. a7 Nc5 83. a8=Q Nd7+ 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.4"]
[White "Rizzo, Marina"]
[Black "Alexandrova, Olga"]
[Result "1/2-1/2"]
[WhiteTitle "WFM"]
[BlackTitle "IM"]
[WhiteElo "2054"]
[BlackElo "2409"]
[ECO "B41"]
[Opening "Sicilian"]
[Variation "Kan, Maroczy bind (Reti variation)"]
[WhiteFideId "102687"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qf3 Qc7 8. Bf4
Bd6 9. Bg3 Bxg3 10. hxg3 Nc6 11. Nxc6 dxc6 12. Be2 e5 13. O-O Bg4 14. Qe3 Bxe2
15. Nxe2 O-O 16. c5 Rad8 17. b4 Rd7 18. Nc3 Rfd8 19. Rad1 Rd4 20. a3 R8d7 21. f4
Ng4 22. Qe2 h5 23. Rf3 Rxd1+ 24. Nxd1 Qd8 25. Ne3 Rd2 26. Qc4 Rd4 27. Qc2 Nxe3
28. Rxe3 Rd1+ 29. Kh2 h4 30. fxe5 hxg3+ 31. Rxg3 Qh4+ 32. Rh3 Qe1 33. Rd3 Qh4+
34. Rh3 Qf4+ 35. Rg3 Rd4 36. Qc3 Qxe4 37. Re3 Qf4+ 38. Kg1 Rd1+ 39. Re1 Rd5 40.
e6 fxe6 41. Rxe6 Kf7 42. Qe1 Qd4+ 43. Re3 Qd1 44. Re7+ Kf8 45. Re8+ Kf7 46. Re7+
Kf6 47. Re6+ Kf7 48. Re7+ Kf8 49. Re8+ Kf7 50. Qxd1 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.1"]
[White "Pina Vega, Sulennis"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "WGM"]
[BlackTitle "WIM"]
[WhiteElo "2332"]
[BlackElo "2334"]
[ECO "C00"]
[Opening "French"]
[Variation "King's Indian attack"]
[WhiteFideId "3503151"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. O-O Nf6 8. c3 O-O
9. Re1 a5 10. a4 Rb8 11. e5 Ng4 12. d4 cxd4 13. cxd4 f6 14. h3 Nxf2 15. Kxf2
fxe5 16. Kg1 exd4 17. Nf1 e5 18. Qb3 Kh8 19. Bg5 Qd6 20. Rac1 Be6 21. Qa3 Nb4
22. Bd2 e4 23. Ng5 Bd7 24. Bxb4 axb4 25. Qb3 h6 26. Bxe4 hxg5 27. Bxd5 Bxa4 28.
Qc4 Bd7 29. Bg2 d3 30. Rcd1 Qb6+ 31. Kh1 Bb5 32. Qxb4 Rf2 33. Be4 Rxb2 34. Qe7
Bc6 35. Qxg5 Re8 36. Qxg6 Qd8 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.2"]
[White "Nakhbayeva, Guliskhan"]
[Black "Pina Vega, Sulennis"]
[Result "1/2-1/2"]
[WhiteTitle "WIM"]
[BlackTitle "WGM"]
[WhiteElo "2334"]
[BlackElo "2332"]
[ECO "A44"]
[Opening "Semi-Benoni (`blockade variation')"]
[WhiteFideId "13704788"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 Be7 5. f4 Nd7 6. Nf3 a6 7. a4 Bf6 8. f5 h6 9.
Be3 Rb8 10. Be2 Nf8 11. O-O Bd7 12. a5 Nh7 13. Nd2 Bg5 14. Bf2 Bxd2 15. Qxd2
Ngf6 16. Kh1 Ng5 17. Qe3 b5 18. axb6 Rxb6 19. b3 Bb5 20. Bxb5+ axb5 21. b4 Nd7
22. Qe2 Qb8 23. Ra5 O-O 24. h4 Nh7 25. Nxb5 cxb4 26. Bxb6 Qxb6 27. Rfa1 Nc5 28.
Qe3 Rc8 29. Na7 Re8 30. Nc6 Nf6 31. Ra6 Qb5 32. Ra8 Rxa8 33. Rxa8+ Kh7 34. Ra1
Nfxe4 35. Ne7 Qd7 36. Nc6 Qxf5 37. Nxb4 Qg4 38. Nd3 Ng3+ 39. Kg1 Nce4 40. Nf2
Nxf2 41. Kxf2 Nf5 42. Qc3 Qxh4+ 43. Kg1 Ng3 44. Re1 f5 45. Qf3 e4 46. Qc3 f4 47.
Qc4 Qh1+ 48. Kf2 Qh4 49. Kg1 Qh1+ 50. Kf2 e3+ 51. Rxe3 fxe3+ 52. Kxg3 Qe1+ 53.
Kh2 Qf2 54. Qe4+ Kg8 55. Qe6+ Kf8 56. Qxd6+ Kg8 57. Qe6+ Kh7 58. Qe4+ Kh8 59.
Qe8+ Kh7 60. Qe4+ Kh8 61. Qe8+ 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.3"]
[White "Pina Vega, Sulennis"]
[Black "Nakhbayeva, Guliskhan"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WIM"]
[WhiteElo "2332"]
[BlackElo "2334"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Yugoslav variation"]
[WhiteFideId "3503151"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. h3 Bh5 6. Ne5 Nbd7 7. d4 e6 8. f4
Bd6 9. b3 Qb6 10. Kh2 Bg6 11. a4 Be4 12. Nxd7 Nxd7 13. Bxe4 dxe4 14. c4 c5 15.
a5 Qc6 16. Nc3 cxd4 17. Qxd4 Nf6 18. Be3 O-O 19. Nb5 Bb8 20. Rfd1 a6 21. Nc3 h6
22. Na4 Bc7 23. Nb6 Rad8 24. Qc5 Qxc5 25. Bxc5 Rfe8 26. b4 g5 27. fxg5 hxg5 28.
Kg2 Nh5 29. Bf2 f5 30. Nd7 Kf7 31. Bb6 Rc8 32. Bxc7 Rxc7 33. Nc5 Ke7 34. Rd4
Rec8 35. Rad1 Nf6 36. e3 e5 37. Rd6 Rc6 38. R6d2 f4 39. Kf2 b6 40. axb6 Rxb6 41.
Nd7 Rxb4 42. Nxe5 fxe3+ 43. Kxe3 Rb3+ 44. Ke2 Rxg3 45. Rd6 Rb8 46. Nc6+ Kf7 47.
Nxb8 a5 48. Rf1 a4 49. Rfxf6+ Kg7 50. Rfe6 a3 51. Ra6 a2 52. Re7+ Kf8 53. Rea7
Rxh3 54. Nd7+ Ke7 55. Nc5+ Kd8 56. Rxa2 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.19"]
[Round "4.4"]
[White "Nakhbayeva, Guliskhan"]
[Black "Pina Vega, Sulennis"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "WGM"]
[WhiteElo "2334"]
[BlackElo "2332"]
[ECO "D21"]
[Opening "QGA"]
[Variation "Alekhine defense, Borisenko-Furman variation"]
[WhiteFideId "13704788"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e4 b5 5. Be2 Bb7 6. e5 e6 7. O-O Ne7 8. Bg5 c5
9. a4 h6 10. Bh4 g5 11. Bg3 Nbc6 12. axb5 axb5 13. Nc3 Rxa1 14. Qxa1 g4 15. Ne4
Nd5 16. Nfd2 h5 17. dxc5 h4 18. Bxg4 hxg3 19. fxg3 Nxe5 20. Qa7 Qa8 21. Qxa8+
Bxa8 22. Be2 f5 23. Nd6+ Bxd6 24. cxd6 Bc6 25. h3 Kd7 26. g4 fxg4 27. hxg4 Ne3
28. Rf4 Kxd6 29. g5 Rg8 30. Kf2 Nc2 31. g3 Rxg5 32. Nb1 Kc5 33. Nc3 b4 34. Ne4+
Bxe4 35. Rxe4 c3 36. bxc3 bxc3 37. Bd1 Nd4 38. Re3 Kc4 39. Ba4 Ng4+ 40. Ke1 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.1"]
[White "Nakhbayeva, Guliskhan"]
[Black "Van Weersel, Arlette"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "WIM"]
[WhiteElo "2334"]
[BlackElo "2168"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "13704788"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 O-O 8.
Be2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 b6 12. Rc1 Na5 13. d5 e5 14. h3 f5 15.
exf5 gxf5 16. d6 Be6 17. Bg5 Bf6 18. Qd2 f4 19. Bxf6 Qxf6 20. Bd3 Rad8 21. Rfe1
Nb7 22. Rxe5 Nxd6 23. Bxh7+ Kg7 24. Bb1 Nc4 25. Qc2 Rh8 26. Rg5+ Kf8 27. Rg6 Qe7
28. Ng5 Bd5 29. Qf5+ Ke8 30. Ne6 Nd6 31. Qe5 Nf7 32. Nc7+ Kf8 33. Qxf4 Rh4 34.
Qg3 Nh6 35. Nxd5 Rxd5 36. Rc8+ Rd8 37. Rc7 Rd1+ 38. Kh2 Qd8 39. Bc2 Rdd4 40.
Rxh6 Qxc7 41. Qxc7 Rxh6 42. Qxa7 Rhd6 43. Bb3 Rd7 44. Qxb6 Rd2 45. Qf6+ Ke8 46.
Ba4 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.2"]
[White "Van Weersel, Arlette"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "WIM"]
[WhiteElo "2168"]
[BlackElo "2334"]
[ECO "C17"]
[Opening "French"]
[Variation "Winawer, advance, 5.a3"]
[WhiteFideId "1009877"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. Bd2 Nc6 7. Nf3 cxd4 8. Nb5
Bc7 9. Nxc7+ Qxc7 10. Bf4 Qb6 11. Bd3 Nge7 12. O-O Ng6 13. Bg3 Qxb2 14. Qe2 Qb6
15. h4 O-O 16. Ng5 h6 17. Nxf7 Kxf7 18. Qh5 Ne7 19. f4 Bd7 20. Rab1 Qc6 21. Be1
Be8 22. Bb4 Kg8 23. Qg4 Qd7 24. Rf3 Nf5 25. Bxf8 Kxf8 26. Bb5 Qf7 27. Bd3 Ngxh4
28. Rh3 Ng6 29. Qe2 Nxf4 30. Qf3 Nxh3+ 31. Qxh3 b6 32. g4 Ne3 33. c3 Qf4 34. Rb2
Kg8 35. Re2 Nxg4 36. Bc2 Bb5 37. Rg2 Qf1# 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.3"]
[White "Nakhbayeva, Guliskhan"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "WIM"]
[WhiteElo "2334"]
[BlackElo "2168"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "13704788"]
[BlackFideId "1009877"]
[EventDate "2012.11.16"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8.
Rb1 O-O 9. Be2 Qa5 10. O-O Qxa2 11. Be3 cxd4 12. cxd4 Qe6 13. Qc2 Qc6 14. Bc4
Nd7 15. Qd3 Nf6 16. d5 Qc7 17. h3 b6 18. Rfc1 Qd8 19. e5 Bf5 20. Qd4 Bxb1 21.
Rxb1 Nd7 22. Rd1 Rc8 23. Qe4 Qc7 24. Ba6 Qc2 25. Rd3 Rc3 26. Bd4 Qb1+ 27. Kh2
Rc1 28. Ng5 Re1 29. Qh4 h6 30. Nxf7 Nxe5 31. Nxh6+ Bxh6 32. Bxe5 Qc1 33. Rd4
Rxe5 34. d6 exd6 35. Bc4+ Kg7 36. Rg4 Bf4+ 37. g3 Bg5 38. Rxg5 Qxg5 39. Qd4 Qf6
40. f4 Re2+ 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.4"]
[White "Van Weersel, Arlette"]
[Black "Nakhbayeva, Guliskhan"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "WIM"]
[WhiteElo "2168"]
[BlackElo "2334"]
[ECO "C17"]
[Opening "French"]
[Variation "Winawer, advance, 5.a3"]
[WhiteFideId "1009877"]
[BlackFideId "13704788"]
[EventDate "2012.11.16"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. Bd2 Nc6 7. Nf3 cxd4 8. Nb5
Bc7 9. Nxc7+ Qxc7 10. Bf4 Qb6 11. Rb1 Nge7 12. Bd3 Ng6 13. Bg3 Bd7 14. h4 Nge7
15. h5 h6 16. Nh4 Qa5+ 17. Kf1 Qc7 18. Qe2 Na5 19. Qg4 O-O 20. Qxd4 a6 21. Kg1
Bb5 22. Kh2 Bxd3 23. cxd3 Nac6 24. Qe3 d4 25. Qe4 Rad8 26. f4 Qd7 27. Nf3 Nf5
28. Bf2 f6 29. exf6 Rxf6 30. Rbe1 Qf7 31. Kg1 Qd7 32. Nh4 Nd6 33. Qe2 Rxf4 34.
Ng6 Rf5 35. Qxe6+ Qxe6 36. Rxe6 Rb5 37. b4 a5 38. bxa5 Rxa5 39. Rh4 Nf5 40. Rf4
Kh7 41. g4 Ne3 42. Bxe3 dxe3 43. Rxe3 Rxa3 44. Rf7 b5 45. Rc7 Rc3 46. Re6 Nd4
47. Rxc3 Nxe6 48. Rb3 Nd4 49. Rb4 Rd5 50. Kf2 Nc6 51. Rb3 b4 52. Nf4 Ra5 53. Ne2
Ra2 54. Rb1 Nd4 55. Re1 b3 56. Ke3 Rxe2+ 57. Rxe2 Nxe2 58. Kd2 Kg8 59. d4 Nxd4
60. Kc3 Kf7 61. Kxd4 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.1"]
[White "Rizzo, Marina"]
[Black "Pina Vega, Sulennis"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WGM"]
[WhiteElo "2054"]
[BlackElo "2332"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[WhiteFideId "102687"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 d6 7. Bg5 Be7 8. Bc4
O-O 9. Bxf6 Bxf6 10. O-O Bg4 11. Qd3 Nc6 12. a3 Rc8 13. Ba2 Be7 14. Rfe1 Kh8 15.
Nd2 Nd4 16. Nf1 Bg5 17. Ne3 Be6 18. Ned5 f5 19. f4 Bh6 20. fxe5 dxe5 21. Rad1 f4
22. Rf1 Bg4 23. Rde1 Rc6 24. Rf2 Bg5 25. Ref1 Re8 26. Bb1 b5 27. h3 Bh5 28. g4
fxg3 29. Qxg3 Rg6 30. Kh1 Bf4 31. Qd3 Rg3 32. Nxf4 Rxd3 33. Nxd3 h6 34. Nxe5 Qh4
35. Rf8+ Rxf8 36. Rxf8+ Kh7 37. Ba2 Qxh3+ 38. Kg1 Qg3+ 39. Kh1 Bf3+ 40. Nxf3
Nxf3 41. Rxf3 Qxf3+ 42. Kg1 Qe3+ 43. Kh1 Qc1+ 44. Kg2 Qxb2 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.2"]
[White "Pina Vega, Sulennis"]
[Black "Rizzo, Marina"]
[Result "1-0"]
[WhiteTitle "WGM"]
[BlackTitle "WFM"]
[WhiteElo "2332"]
[BlackElo "2054"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Wormald (Alapin) attack"]
[WhiteFideId "3503151"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 Bb6 8. d3 h6
9. Nbd2 d6 10. Nf1 Bb7 11. Ng3 O-O 12. Be3 Bxe3 13. fxe3 Na5 14. Bc2 c5 15. O-O
Qc7 16. Nh4 Nc6 17. Rxf6 gxf6 18. Qh5 Ne7 19. Qxh6 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.3"]
[White "Rizzo, Marina"]
[Black "Pina Vega, Sulennis"]
[Result "0-1"]
[WhiteTitle "WFM"]
[BlackTitle "WGM"]
[WhiteElo "2054"]
[BlackElo "2332"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[WhiteFideId "102687"]
[BlackFideId "3503151"]
[EventDate "2012.11.16"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 d6 7. Bc4 Be7 8. O-O
O-O 9. a4 Bg4 10. h3 Bh5 11. Bb3 Nc6 12. Be3 Rc8 13. g4 Bg6 14. Nd2 Nb4 15. f4
exf4 16. Bxf4 h5 17. Nc4 hxg4 18. hxg4 Rc6 19. Rf2 Qc8 20. Rg2 Rxc4 21. Bxc4
Qxc4 22. Qe1 Nxe4 23. Nxe4 Bxe4 24. Rh2 d5 25. Be3 Nxc2 26. Qg3 Bc5 27. Bxc5
Qxc5+ 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.4"]
[White "Pina Vega, Sulennis"]
[Black "Rizzo, Marina"]
[Result "1/2-1/2"]
[WhiteTitle "WGM"]
[BlackTitle "WFM"]
[WhiteElo "2332"]
[BlackElo "2054"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Wormald (Alapin) attack"]
[WhiteFideId "3503151"]
[BlackFideId "102687"]
[EventDate "2012.11.16"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 d6 6. c3 Be7 7. d3 O-O 8. Nbd2
Ne8 9. Nf1 f5 10. exf5 Bxf5 11. Ne3 Bg6 12. Bb3+ Kh8 13. Bd2 Nf6 14. O-O-O d5
15. Ng5 Qd7 16. h4 Na5 17. Bc2 d4 18. cxd4 exd4 19. Bxa5 dxe3 20. fxe3 Bh5 21.
Nf3 Qd5 22. Bc3 Qxa2 23. e4 b5 24. Bb1 Qa4 25. Qc2 Qxc2+ 26. Bxc2 Nd7 27. Rdf1
b4 28. Bd4 Nc5 29. Bxc5 Bxc5 30. Bb3 Be3+ 31. Kc2 a5 32. Ba4 c5 33. Ne5 Rf2+ 34.
Rxf2 Bxf2 35. Bc6 Rc8 36. Bb5 h6 37. b3 Bg3 38. Nc4 Ra8 39. Rh3 Bf2 40. e5 Bg4
41. Rh1 Bg3 42. Ra1 Bxh4 43. Rxa5 Rf8 44. Bc6 Rf2+ 45. Kb1 Rf1+ 46. Kb2 Be1 47.
Ra8+ Kh7 48. Be4+ Bf5 49. Rf8 Bc3+ 50. Kc2 Rf2+ 51. Kd1 Rf1+ 52. Kc2 Rf2+ 1/2-1/2

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.1"]
[White "Orlova, Yelizaveta"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "IM"]
[WhiteElo "1961"]
[BlackElo "2409"]
[ECO "D02"]
[Opening "Queen's pawn game"]
[WhiteFideId "2601826"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. d4 d5 2. Nf3 Nf6 3. b3 g6 4. Bb2 Bg7 5. e3 O-O 6. c4 c5 7. Nbd2 cxd4 8. Bxd4
Nc6 9. Bb2 Qa5 10. a3 Rd8 11. b4 Qc7 12. c5 a6 13. Be2 e5 14. O-O h6 15. Rc1 Be6
16. Qc2 Rac8 17. Rfd1 Qb8 18. Qb1 Re8 19. Bf1 Rcd8 20. Ba1 Nd7 21. a4 e4 22. Nd4
Nxd4 23. Bxd4 Bxd4 24. exd4 f5 25. b5 axb5 26. axb5 Nf6 27. c6 bxc6 28. bxc6 Qf4
29. g3 Qg5 30. Qb3 f4 31. c7 Rc8 32. Ba6 e3 33. Bxc8 Bxc8 34. Nf3 exf2+ 35. Kh1
Qf5 36. Qd3 Re1+ 37. Nxe1 fxe1=Q+ 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.2"]
[White "Alexandrova, Olga"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WCM"]
[WhiteElo "2409"]
[BlackElo "1961"]
[ECO "A43"]
[Opening "Old Benoni defence"]
[WhiteFideId "14102463"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. d4 c5 2. dxc5 Qa5+ 3. Nc3 Qxc5 4. e4 d6 5. Be3 Qa5 6. Qd5 Qxd5 7. Nxd5 Kd8 8.
O-O-O Nf6 9. e5 Nxd5 10. Rxd5 Be6 11. Rd1 Nc6 12. exd6 exd6 13. Kb1 Kc7 14. Nf3
Rd8 15. Ng5 d5 16. Nxe6+ fxe6 17. c3 e5 18. f4 d4 19. cxd4 exd4 20. Bf2 Be7 21.
Bb5 Bf6 22. g4 g6 23. Rhe1 Rhe8 24. Rxe8 Rxe8 25. a3 a6 26. Bd3 b5 27. Re1 Rxe1+
28. Bxe1 Kd6 29. Be4 Bg7 30. Kc2 Nd8 31. Bb4+ Kd7 32. f5 gxf5 33. Bxf5+ Ne6 34.
Bxh7 Ng5 35. Bf5+ Kc6 36. h4 Nf3 37. Be4+ 1-0

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.3"]
[White "Orlova, Yelizaveta"]
[Black "Alexandrova, Olga"]
[Result "0-1"]
[WhiteTitle "WCM"]
[BlackTitle "IM"]
[WhiteElo "1961"]
[BlackElo "2409"]
[ECO "A01"]
[Opening "Nimzovich-Larsen attack"]
[Variation "classical variation"]
[WhiteFideId "2601826"]
[BlackFideId "14102463"]
[EventDate "2012.11.16"]

1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. Nf3 Bxf3 5. exf3 Nf6 6. d4 g6 7. c4 Bg7 8. Be2
O-O 9. O-O e6 10. Qd2 Nc6 11. Rd1 Ne7 12. Nc3 Nf5 13. Na4 Bh6 14. Qc2 Nh5 15.
Bc1 Bxc1 16. Raxc1 Nf4 17. Bf1 Ne7 18. Nc5 Rb8 19. Nd3 Nxd3 20. Bxd3 c6 21. c5
Qc7 22. b4 a6 23. a4 e5 24. dxe5 Qxe5 25. Re1 Qf6 26. b5 axb5 27. axb5 Kg7 28.
Re2 cxb5 29. Bxb5 Nf5 30. Qd3 Nd4 31. Rd2 Nxb5 32. Qxb5 Rfd8 33. c6 bxc6 34.
Qxc6 Qxc6 35. Rxc6 Rb1+ 36. Kh2 Rb5 37. Kg3 h5 38. Kf4 Rd7 39. Ke5 0-1

[Event "UNAM w Prelim A"]
[Site "Mexico City MEX"]
[Date "2012.11.20"]
[Round "5.4"]
[White "Alexandrova, Olga"]
[Black "Orlova, Yelizaveta"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "WCM"]
[WhiteElo "2409"]
[BlackElo "1961"]
[ECO "E76"]
[Opening "King's Indian"]
[Variation "Four pawns attack"]
[WhiteFideId "14102463"]
[BlackFideId "2601826"]
[EventDate "2012.11.16"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f4 O-O 6. Nf3 Nbd7 7. Bd3 c5 8. d5 Ne8
9. O-O a6 10. a4 b6 11. Be3 e6 12. Qd2 exd5 13. exd5 Nc7 14. Rae1 Rb8 15. Kh1 b5
16. axb5 axb5 17. Nxb5 Nxb5 18. cxb5 Nb6 19. f5 c4 20. Bxb6 Qxb6 21. Bxc4 Bxf5
22. Ra1 Bd7 23. Ra6 Qc5 24. Rc1 Bxb5 25. b4 Bxa6 26. bxc5 Rb2 27. Qd1 Bxc4 28.
Rxc4 Rfb8 29. c6 1-0

