[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.16"]
[Round "7"]
[White "Pena Davalos, David"]
[Black "Hernandez Guerrero, Eduardo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1776"]
[BlackElo "2227"]
[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. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. e3 b6 5. Be2 d6 6. 0-0 Nbd7 7. b3 Bb7 8. Bb2 Be7 9. d4 a6 10. Re1 0-0 11. Nd2 Rb8 12. a4 d5 13. Nf3 Bd6 14. Rc1 Re8 15. cxd5 exd5 16. Rc2 Ne4 17. dxc5 Ndxc5 18. b4 Nxc3 19. Bxc3 Ne4 20. Bd2 Re6 21. g3 Rf6 22. Rf1 Qd7 23. Bc3 Nxc3 24. Rxc3 Bxb4 25. Rc1 Re8 26. Nd4 Bc5 27. a5 Qe7 28. axb6 Bxb6 29. Rb1 Bc8 30. Bg4 Qe4 31. Bxc8 Rxc8 32. Rc1 Rxc1 33. Qxc1 h5 34. Qc8+ Kh7 35. Qh3 Bxd4 36. exd4 g6 37. Rd1 Qe2 38. Qf1 Rxf2 39. Qxf2 Qxd1+ 40. Kg2 Kg7 41. Qf4 Qe2+ 42. Kg1 Qe1+ 43. Kg2 Qe4+ 0-1

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.14"]
[Round "5"]
[White "Pena Davalos, David"]
[Black "Palma Villanueva, Miguel Tadeo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1776"]
[BlackElo "2157"]
[PlyCount "130"]
[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. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 0-0 6. Be2 Bg4 7. 0-0 c6 8. c3 Qc7 9. Qc2 Nbd7 10. h3 Bxf3 11. Bxf3 Rfe8 12. Rad1 Rac8 13. Rfe1 b5 14. Be2 Nb6 15. Be3 a6 16. f4 Nfd7 17. Nf3 e6 18. Bd3 f5 19. Ng5 h6 20. Nf3 Nf6 21. e5 Nfd5 22. exd6 Qxd6 23. Ne5 Nxe3 24. Rxe3 Nd5 25. Rf3 Bxe5 26. fxe5 Qe7 27. g4 Qg5 28. Qd2 Qxd2 29. Rxd2 Kf7 30. gxf5 gxf5 31. Rg2 Rg8 32. Rfg3 Rxg3 33. Rxg3 Nb6 34. Be2 Rg8 35. Bh5+ Kf8 36. Rxg8+ Kxg8 37. Be8 Na4 38. Bxc6 Nxb2 39. Kf2 Nd1+ 40. Kf3 Nxc3 41. a3 Kf7 42. Ke3 Ke7 43. Kd3 Nd5 44. h4 Kd8 45. Bb7 a5 46. Bc6 b4 47. Kc2 bxa3 48. Bb5 Ne3+ 49. Kb3 a2 50. Kxa2 Nc2 51. d5 Nb4+ 52. Kb3 Nxd5 53. Bc4 Ke7 54. Bd3 Nf4 55. Bf1 Ng6 56. h5 Nxe5 57. Ka4 Kd6 58. Kxa5 Kc5 59. Ka4 Kd4 60. Kb3 Ke3 61. Kc2 Nf3 62. Kd1 e5 63. Bh3 f4 64. Bf5 Nd4 65. Bg4 Kf2 0-1

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.13"]
[Round "3"]
[White "Pena Davalos, David"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1776"]
[BlackElo "2311"]
[PlyCount "58"]
[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. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 d6 6. Nc3 e6 7. e3 Nge7 8. d4 0-0 9. d5 Na5 10. Nd2 exd5 11. cxd5 Nf5 12. g4 Nh4 13. h3 f5 14. f4 fxg4 15. hxg4 Nxg2 16. Kxg2 Qh4 17. Rh1 Qxg4+ 18. Qxg4 Bxg4 19. Nb5 Rae8 20. Re1 Rxf4 21. Nxd6 Re7 22. Kg3 Rb4 23. a3 Be5+ 24. Kh4 g5+ 25. Kxg5 Rg7+ 26. Kh4 Bd7+ 27. axb4 Bg3+ 28. Kh5 Bg4+ 29. Kh6 Rg6# 0-1

[Event "Mexican op 67th"]
[Site "Chihuahua City"]
[Date "2022.04.12"]
[Round "1"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Pena Davalos, David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2360"]
[BlackElo "1776"]
[PlyCount "55"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. dxe5 Qc7 9. Re1 0-0-0 10. Bf1 h6 11. b4 cxb4 12. cxb4 Bxb4 13. Bd2 Bxd2 14. Nbxd2 Nge7 15. Nb3 g5 16. Rc1 Kb8 17. Nc5 Bc8 18. Nd4 Qa5 19. Ncxe6 Bxe6 20. Nxe6 Rc8 21. Rc5 Qxa2 22. Re2 Qa3 23. Qb1 Nb4 24. Re3 Qa4 25. Rb3 Nec6 26. Bb5 Qa2 27. Qxa2 Nxa2 28. Bxc6 1-0

