[Event "Mexico City Garritas 08th"]
[Site "Mexico City"]
[Date "2014.08.17"]
[Round "5"]
[White "Astudillo Cuevas, Alonso"]
[Black "Pina Perez, Omar"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1946"]
[PlyCount "42"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bb5 Bg7 5. Bxc6 bxc6 6. Nf3 d5 7. d3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. e5 Ne7 11. g4 Rb8 12. h4 h5 13. Rg1 hxg4 14. Rxg4 Nf5 15. b3 Rxh4 16. Rxh4 Qxh4+ 17. Kd2 Nd4 18. Qe3 Qh1 19. Bb2 Nf3+ 20. Ke2 Qg2+ 21. Qf2 Nd4+ 0-1

[Event "Mexico City Garritas 08th"]
[Site "Mexico City"]
[Date "2014.08.17"]
[Round "4"]
[White "Pina Perez, Omar"]
[Black "Luna Javier, Edgar Froylan"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1946"]
[BlackElo "1916"]
[PlyCount "88"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Rb1 a5 6. a3 0-0 7. b4 axb4 8. axb4 c6 9. e4 b6 10. Nf3 Re8 11. 0-0 Bb7 12. b5 cxb5 13. Nxb5 Bxe4 14. d3 Bc6 15. d4 e4 16. Ne5 Bxb5 17. Rxb5 Nc6 18. Bg5 Ra5 19. Rxa5 bxa5 20. Nxc6 dxc6 21. Qa4 h6 22. Bxf6 Bxf6 23. Qxc6 Re6 24. Qa4 Bxd4 25. Rb1 Bxf2+ 26. Kh1 e3 27. Bd5 Re5 28. Qc6 Kg7 29. Kg2 Qg5 30. Rb7 Re7 31. Rb8 Qf5 32. Qa8 e2 33. Rg8+ Kf6 34. Qc6+ Ke5 35. Re8 e1N+ 36. Kh1 Rxe8 37. Qxe8+ Kd4 38. Qd8 Ke3 39. Qxa5 Qd3 40. Qb6+ Ke2 41. Qb2+ Nc2 42. Qe5+ Qe3 43. Qb2 Qd2 44. Qb3 Qe1+ 0-1

[Event "Mexico City Garritas 08th"]
[Site "Mexico City"]
[Date "2014.08.16"]
[Round "3"]
[White "Lopez Raygoza, Luis Alberto"]
[Black "Pina Perez, Omar"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2121"]
[BlackElo "1946"]
[PlyCount "74"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. Bg5 Bg7 3. e4 d5 4. e5 c5 5. c3 Qb6 6. Qd2 Nc6 7. Be3 c4 8. Ne2 h5 9. Nf4 Qa5 10. Na3 Nh6 11. Be2 Bf5 12. Nc2 Bxc2 13. Qxc2 Nf5 14. 0-0 e6 15. b3 b5 16. b4 Qb6 17. a4 0-0 18. axb5 Nxe5 19. dxe5 Nxe3 20. fxe3 Qxe3+ 21. Kh1 Qxe5 22. Rf3 Rfb8 23. Ra5 Rb7 24. Bf1 Rc8 25. Ne2 Qd6 26. Qa4 Qe7 27. Nd4 Bxd4 28. cxd4 c3 29. Bd3 Qh4 30. Qc2 Qxd4 31. Bxg6 Qd2 32. Bxf7+ Kh8 33. Qxd2 cxd2 34. Ra1 Rc1+ 35. Rf1 Rxa1 36. Rxa1 Rxf7 37. Kg1 Rc7 0-1

[Event "Mexico City Garritas 08th"]
[Site "Mexico City"]
[Date "2014.08.16"]
[Round "2"]
[White "Pina Perez, Omar"]
[Black "Astudillo Cuevas, Raziel"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1946"]
[PlyCount "100"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 Nbd7 7. 0-0 e5 8. f4 exf4 9. Nxf4 Nc5 10. d4 Ne6 11. Nfe2 Nd7 12. d5 Nec5 13. Nd4 Ne5 14. b3 Ned3 15. Be3 Ne5 16. h3 Bd7 17. Rb1 a5 18. a3 Qc8 19. Kh2 f5 20. exf5 Bxf5 21. Nxf5 Rxf5 22. Nb5 Rxf1 23. Qxf1 Na6 24. Nd4 Nc5 25. b4 axb4 26. axb4 Ra3 27. Bc1 Rd3 28. Ne2 Ncd7 29. Be4 Nf3+ 30. Bxf3 Qf8 31. Bg2 Qxf1 32. Bxf1 Rd1 33. Kg2 Bh6 34. Ra1 Bxc1 35. Rxc1 Rxc1 36. Nxc1 Ne5 37. Nb3 b6 38. c5 bxc5 39. bxc5 Nd7 40. Bb5 Nxc5 41. Nxc5 dxc5 42. Kf3 Kf7 43. Kf4 Ke7 44. Ke5 h6 45. h4 h5 46. Ba6 Kf7 47. Bd3 c4 48. Bxc4 Ke7 49. Bd3 Kf7 50. Bc2 Kg7 1-0

[Event "Mexico City Garritas 08th"]
[Site "Mexico City"]
[Date "2014.08.15"]
[Round "1"]
[White "Del Castillo Escribano, Marcelo"]
[Black "Pina Perez, Omar"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1852"]
[BlackElo "1946"]
[PlyCount "77"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Nf3 0-0 6. Be2 c5 7. d5 Na6 8. 0-0 Bd7 9. Bg5 h6 10. Bf4 Rb8 11. h3 Ne8 12. e5 Qa5 13. Ne4 f5 14. exf6 Nxf6 15. Nxf6+ Rxf6 16. Bd2 Qc7 17. Bd3 Bf5 18. Bxf5 gxf5 19. Nh4 Qd7 20. a4 Nb4 21. Bc3 Rf7 22. Re1 Bf6 23. Ng6 Rg7 24. Bxf6 exf6 25. Nf4 Re8 26. Qh5 Re4 27. Ne6 Nd3 28. Rxe4 fxe4 29. Qxh6 Rf7 30. Qg6+ Kh8 31. Qxe4 Ne5 32. Qh4+ Kg8 33. Ra3 Rg7 34. Nxg7 Kxg7 35. Rg3+ Ng6 36. Qe4 f5 37. Qh4 Qxa4 38. Qe7+ Kh6 39. Qg5+ 1-0

[Event "Mexican op 54th"]
[Site "Aguascalientes"]
[Date "2008.03.20"]
[Round "3"]
[White "Borges Matos, Juan R"]
[Black "Pina Perez, Omar"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2448"]
[BlackElo "1949"]
[PlyCount "85"]
[EventDate "2008.03.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 0-0 5. Bf4 d6 6. h3 c6 7. e3 Nbd7 8. Be2 Re8 9. 0-0 Qa5 10. Qc2 e5 11. Bh2 exd4 12. Nxd4 Nc5 13. Bf3 Ne6 14. Rfd1 Ng5 15. Bxd6 Nxf3+ 16. Nxf3 Bf5 17. Qb3 Ne4 18. Bb4 Qb6 19. Nxe4 Bxe4 20. Bc3 Qxb3 21. axb3 Bxc3 22. bxc3 Bxf3 23. gxf3 Re7 24. c5 a6 25. b4 Rc8 26. Rd6 Kg7 27. Kg2 f6 28. f4 Rce8 29. Kf3 Kf7 30. Rad1 Kg7 31. Rd7 Kf7 32. e4 Ke6 33. R1d6+ Kf7 34. Ke3 h6 35. h4 f5 36. e5 Rg8 37. Kd4 h5 38. e6+ Kf6 39. Rxe7 Kxe7 40. Ke5 Rb8 41. Rd7+ Ke8 42. Kf6 Kf8 43. Rf7+ 1-0

[Event "Carlos Torre Memorial op 20th"]
[Site "Merida"]
[Date "2007.12.16"]
[Round "3"]
[White "Pina Perez, Omar"]
[Black "Perez Garcia, Rodney Oscar"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1964"]
[BlackElo "2427"]
[PlyCount "62"]
[EventDate "2007.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d3 Nc6 5. g3 Nf6 6. Bg2 d4 7. Ne4 Nxe4 8. Bxe4 e5 9. Bg2 Be6 10. Nf3 Be7 11. 0-0 0-0 12. Bd2 Qb6 13. Qb1 g5 14. Rc1 f5 15. b3 h6 16. Be1 Ba3 17. Rd1 Qa6 18. e3 Bc5 19. exd4 Nxd4 20. Qb2 Bd5 21. Nxe5 Bxg2 22. Kxg2 Qe6 23. Nc4 Qd5+ 24. Kg1 Nf3+ 25. Kf1 Nxh2+ 26. Kg1 Nf3+ 27. Kf1 Nxe1 28. Rxe1 Qh1+ 29. Ke2 Rae8+ 30. Ne3 Rxe3+ 31. fxe3 Qg2+ 0-1

[Event "Festival de la Juventud U14"]
[Site "Hermosillo"]
[Date "2002.03.30"]
[Round "6"]
[White "Pina Perez, Omar"]
[Black "Leon Hoyos, Manuel"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1444"]
[BlackElo "2179"]
[PlyCount "128"]
[EventDate "2002.03.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. g3 e6 5. Bg2 Nf6 6. d3 Be7 7. Nf3 0-0 8. 0-0 Nc6 9. Bf4 a6 10. Rc1 Nh5 11. Bd2 e5 12. e4 d4 13. Na4 Nf6 14. a3 h6 15. b4 Re8 16. Qb3 Be6 17. Qb2 Rc8 18. Nc5 Bxc5 19. Rxc5 Qd6 20. Rfc1 Nd7 21. R5c2 b5 22. Nh4 Nb6 23. Nf5 Qd7 24. Qb1 Na4 25. f4 f6 26. fxe5 fxe5 27. Rf1 Ne7 28. Bh3 Kh7 29. Nxe7 Qxe7 30. Bxe6 Qxe6 31. Kg2 Rxc2 32. Qxc2 Rc8 33. Qb1 Qg4 34. Rf2 Qe6 35. Be1 Nc3 36. Bxc3 Rxc3 37. Ra2 Qb3 38. Qxb3 Rxb3 39. a4 Rxb4 40. axb5 axb5 41. Kf2 Rb1 42. h4 b4 43. Ra5 b3 44. Rxe5 b2 45. Rb5 Rh1 46. Rxb2 Rh2+ 47. Kf3 Rxb2 48. e5 Kg6 49. Ke4 Rb4 50. g4 Kf7 51. Kf5 g6+ 52. Ke4 Ke6 53. h5 g5 54. Kf3 Kxe5 55. Kg3 Rb3 56. Kf3 Rxd3+ 57. Ke2 Ke4 58. Kf2 Rd2+ 59. Kg3 Re2 60. Kh3 d3 61. Kg3 d2 62. Kh3 d1Q 63. Kg3 Qg1+ 64. Kh3 Rh2# 0-1

[Event "Fide Mercenarios 56th"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "1"]
[White "Perez Melo, Fernando"]
[Black "Pina Perez, Omar"]
[Result "1-0"]
[ECO "A92"]
[WhiteElo "2115"]
[BlackElo "2000"]
[PlyCount "83"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nc6 7. d5 Na5 8. Qd3 b6 9. Nd4 Nb7 10. Nc3 Nc5 11. Qc2 Bb7 12. b4 Na6 13. d6 Bxg2 14. dxe7 Qxe7 15. Kxg2 Nxb4 16. Qb3 Qc5 17. Be3 Nc6 18. Nxe6 Qd6 19. Nxf8 Rxf8 20. c5+ Qe6 21. Qxe6+ dxe6 22. cxb6 axb6 23. h3 Na5 24. Bd4 Nc4 25. Bxf6 Rxf6 26. Rac1 c6 27. Ne4 b5 28. Nxf6+ gxf6 29. Rxc4 bxc4 30. Rc1 Kf7 31. Rxc4 Ke7 32. Rxc6 Kd7 33. Rc2 Kd6 34. a4 e5 35. a5 f4 36. a6 fxg3 37. a7 gxf2 38. a8Q f1Q+ 39. Kxf1 h5 40. e4 Ke7 41. Rc7+ Kd6 42. Qc6# 1-0

[Event "Fide Mercenarios 56th"]
[Site "Mexico City"]
[Date "2001.??.??"]
[Round "2"]
[White "Vazquez, Oscar"]
[Black "Pina Perez, Omar"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "100"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bf4 0-0 6. Qd2 d6 7. 0-0-0 Nbd7 8. h3 b6 9. Ng5 Nb8 10. e4 fxe4 11. Ngxe4 Bb7 12. Bd3 Nxe4 13. Bxe4 Bxe4 14. Nxe4 Nd7 15. h4 e5 16. Bg5 Qe8 17. Rhe1 Qf7 18. d5 Nc5 19. Nxc5 bxc5 20. f3 Rab8 21. Re4 Rb7 22. Rh1 Rfb8 23. b3 a6 24. Rh3 Ra7 25. Qa5 Qf8 26. h5 Bh6 27. Qd2 Bxg5 28. Qxg5 Qg7 29. Rg4 e4 30. Kb1 Qc3 31. Qc1 Qd3+ 32. Qc2 Qxc2+ 33. Kxc2 exf3 34. gxf3 Rf8 35. hxg6 hxg6 36. Rxg6+ Kf7 37. Rhh6 Ke7 38. Re6+ Kd7 39. Rh7+ Kc8 40. Rh3 Kb7 41. Kd3 a5 42. Ke4 a4 43. f4 Kc8 44. f5 axb3 45. axb3 Ra3 46. f6 Ra2 47. Rf3 Rh2 48. f7 Rhh8 49. Rff6 Kd7 50. Kf5 c6 1/2-1/2

