[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.16"]
[Round "7"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Palma Villanueva, Miguel Ta"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1735"]
[BlackElo "2157"]
[PlyCount "174"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 c5 7. d5 e6 8. Bd3 exd5 9. exd5 Na6 10. 0-0 Nc7 11. a4 Rb8 12. Bg5 h6 13. Bf4 Nh5 14. Bh2 a6 15. a5 b5 16. axb6 Rxb6 17. Qd2 Bd7 18. Rfb1 Qc8 19. Ra3 Rd8 20. Qc2 Ne8 21. Nd2 Qb7 22. Kh1 Kh7 23. f4 Rb8 24. b3 Qc8 25. g4 Nhf6 26. Rg1 Nxg4 27. hxg4 Bxg4 28. Rg3 Nf6 29. Ra1 Nh5 30. Re3 Bd4 31. Re7 R6b7 32. Rae1 Ng7 33. Rxb7 Rxb7 34. Nce4 Qd8 35. Bg3 Nf5 36. Kh2 Re7 37. Be2 Bxe2 38. Rxe2 Nxg3 39. Kxg3 f5 40. Nc3 Bxc3 41. Rxe7+ Qxe7 42. Qxc3 Qe1+ 43. Kf3 Qh1+ 44. Ke2 Qh2+ 45. Ke3 Qg1+ 46. Ke2 Qg4+ 47. Qf3 Qh4 48. Nf1 Qf6 49. Qe3 Qh4 50. Nd2 Qg4+ 51. Kd3 Qh4 52. Kc3 Qf6+ 53. Kc2 g5 54. fxg5 hxg5 55. Nf3 f4 56. Qe4+ Kg7 57. Kd3 g4 58. Nd2 a5 59. Kc2 Qg6 60. Qxg6+ Kxg6 61. Kd3 Kf5 62. Ne4 Ke5 63. Nf2 Kf5 64. Ke2 g3 65. Nd3 Ke4 66. Nxc5+ dxc5 67. d6 f3+ 68. Kf1 Ke3 69. d7 g2+ 70. Kg1 f2+ 71. Kxg2 Ke2 72. d8Q f1Q+ 73. Kg3 Qf3+ 74. Kh4 Qxb3 75. Qd5 Qe3 76. Kg4 a4 77. Qg2+ Kd3 78. Kf5 Kxc4 79. Qc2+ Kb5 80. Qb2+ Qb3 81. Qe2+ Qc4 82. Qb2+ Qb4 83. Qe2+ Ka5 84. Qe5 a3 85. Qd5 Qd4 86. Qb3 Qb2 87. Qc4 a2 0-1

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.14"]
[Round "4"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Kowalski Davila, Emilio Luis"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2210"]
[BlackElo "1735"]
[PlyCount "37"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Kb1 Qc7 14. Ne4 b5 15. Nxf6+ Nxf6 16. Ne5 Bd6 17. Qg3 Kf8 18. Bf4 Nd5 19. Ng6+ 1-0

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.14"]
[Round "5"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Avila Bautista, Roberto Al"]
[Result "0-1"]
[ECO "A73"]
[WhiteElo "1735"]
[BlackElo "2108"]
[PlyCount "156"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. Bf4 Qe7 11. Nd2 Bxe2 12. Qxe2 Nh5 13. Be3 Nd7 14. g4 Nhf6 15. Bg5 h6 16. Bh4 g5 17. Bg3 Ne5 18. h3 Ng6 19. Nc4 Rad8 20. f3 Ne8 21. Qd2 Nc7 22. a4 a6 23. Kg2 Rfe8 24. Ra2 Na8 25. Rb1 Qc7 26. b3 Nb6 27. Ne3 Nd7 28. Nf5 Nde5 29. Rc1 Qa5 30. Qc2 Bf8 31. Rca1 Rc8 32. Rb1 Qc7 33. Qd2 Qa5 34. Qc2 Rb8 35. Rba1 c4 36. Ne2 Rec8 37. Be1 Qb6 38. b4 Nd3 39. Qc3 Nxe1+ 40. Rxe1 Nh4+ 41. Kg3 Qd8 42. Ned4 Qf6 43. Ne2 Nxf5+ 44. gxf5 Bg7 45. Qxf6 Bxf6 46. Rc1 c3 47. Rac2 Rc4 48. b5 Rbc8 49. Ra1 axb5 50. axb5 Rb4 51. Kf2 Rxb5 52. Ke3 Be5 53. Kd3 Rbc5 54. Rac1 b5 55. Nxc3 Bf4 56. Rb1 Be5 57. Rbc1 Ra8 58. Ne2 Ra3+ 59. Kd2 Rxc2+ 60. Rxc2 Rxf3 61. Rc8+ Kg7 62. Rb8 Rb3 63. Kc2 Rb2+ 64. Kd3 b4 65. Ng1 Rg2 66. Nf3 Rg3 67. Ke2 Kf6 68. Rxb4 Rxh3 69. Rb7 Bf4 70. Kf2 g4 71. Ng1 Ra3 72. Ne2 Be5 73. Nc1 h5 74. Rb3 Ra4 75. Ke3 h4 76. Ne2 h3 77. Rb8 h2 78. Rh8 Ra1 0-1

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.13"]
[Round "3"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1735"]
[BlackElo "2284"]
[PlyCount "115"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. e3 Nf6 5. Nf3 Be7 6. b3 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Bb2 0-0 10. Re1 Ne4 11. Qc2 f5 12. Ne2 Bd6 13. Ne5 Rf6 14. Bxe4 fxe4 15. c5 bxc5 16. Nxd7 Qxd7 17. dxc5 Be7 18. Bxf6 Bxf6 19. Rac1 c6 20. Red1 Qe8 21. Ng3 a5 22. f3 exf3 23. gxf3 Bc8 24. Kg2 Rb8 25. a4 e5 26. Kf2 Qe6 27. Rb1 Rb4 28. e4 Qh3 29. Kg1 d4 30. Qd3 Bg5 31. Kh1 Be3 32. Rb2 h5 33. Qf1 Qxf1+ 34. Nxf1 Bg5 35. Kg2 Be6 36. Rdb1 h4 37. Kf2 Kf7 38. Ke2 Be7 39. Nd2 Bc8 40. Nc4 Ba6 41. Rc2 Ke6 42. Kd2 Bg5+ 43. Kd3 Be7 44. h3 Bxc5 45. Kd2 Be7 46. Nxa5 Bg5+ 47. Ke1 Rb6 48. Rxc6+ Rxc6 49. Nxc6 Bf4 50. Nb4 Bg3+ 51. Kd2 Bf4+ 52. Kd1 Bf1 53. Kc2 Be2 54. a5 Bxf3 55. Kd3 Bh5 56. a6 Be8 57. a7 Bb5+ 58. Kc2 1-0

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.12"]
[Round "1"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "1735"]
[BlackElo "2311"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 0-0 7. Nf3 c5 8. h3 Qc7 9. cxd5 exd5 10. Bd2 Bf5 11. Ne5 Nc6 12. Nxc6 bxc6 13. Be2 Ne4 14. 0-0 Rab8 15. Be1 c4 16. Qc1 Rfe8 17. g4 Bg6 18. Kg2 Qb7 19. Ra2 Qb3 20. Qa1 Nf6 21. Bd1 Qb7 22. Qc1 Bb1 23. Re2 Bd3 24. Ra2 Bxf1+ 25. Kxf1 Qb1 26. Qxb1 Rxb1 27. Bc2 Rb6 28. Ke2 Reb8 29. Kd1 Rb2 30. Ra1 Re8 31. a4 a5 32. Kc1 Rb7 33. Ra2 Ne4 34. f4 f6 35. Bd1 Reb8 36. Bc2 g6 37. h4 h6 38. f5 gxf5 39. gxf5 Kf7 40. Bd1 Rb1+ 41. Kc2 Ke7 42. h5 R8b7 43. Bd2 Nxd2 0-1

