[Event "Merida op"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "5"]
[White "Cardena, Alejandro"]
[Black "Pina, Raul"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "85"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e3 d5 2. d4 e6 3. Nf3 f6 4. Nc3 Nc6 5. Nb5 a6 6. Nc3 e5 7. dxe5 fxe5 8. Qxd5 Qxd5 9. Nxd5 e4 10. Ng5 Nf6 11. Nxc7+ Kd8 12. Nxa8 h6 13. Nf7+ Ke8 14. Nxh8 Bb4+ 15. c3 Bc5 16. Bc4 Ne5 17. Nc7+ Kd7 18. b4 Bb6 19. f4 Nxc4 20. Na8 Bd8 21. Nf7 Be7 22. a4 Ke8 23. 0-0 Kxf7 24. a5 b5 25. Nc7 Bd6 26. Nxb5 axb5 27. a6 Be6 28. a7 Nb6 29. Ra6 Bd5 30. Rxb6 Bc7 31. Ra6 Bb7 32. Ra2 Ng4 33. Rd2 Bb6 34. Rd7+ Ke8 35. Rxb7 Nxe3 36. Rxb6 Nxf1 37. a8Q+ Kf7 38. Qb7+ Kf8 39. Qb8+ Ke7 40. Qd6+ Kf7 41. Rb7+ Kg8 42. Qg6 Kh8 43. Qxg7# 1-0

[Event "Carlos Torre Memorial op 10th"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "7"]
[White "Coral, Tania"]
[Black "Pina, Raul"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "43"]
[EventDate "1997.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 0-0 6. 0-0 Na5 7. b3 Nxc4 8. bxc4 c6 9. Re1 d6 10. h3 h6 11. a3 Re8 12. Be3 Bxe3 13. Rxe3 d5 14. c5 d4 15. Re2 dxc3 16. Rb1 Be6 17. Qe1 Rb8 18. Qxc3 Bc8 19. Nxe5 Qe7 20. d4 Nh5 21. Qf3 Qf6 22. Qxh5 1/2-1/2

[Event "Merida Universiada"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Green, Irak"]
[Black "Pina, Raul"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "57"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. e5 Ne4 7. Bd5 0-0 8. Bxe4 Qe8 9. Re1 Nxe5 10. Nxe5 Qe6 11. Nd3 d5 12. Bxh7+ Kh8 13. Rxe6 Bxe6 14. Nxc5 Kxh7 15. Nxe6 Kg8 16. Nxf8 Rxf8 17. Qxd4 Re8 18. Be3 b6 19. Qxd5 Re6 20. Nc3 Rd6 21. Qa8+ Kh7 22. Qxa7 c5 23. Qxf7 c4 24. Rd1 Rxd1+ 25. Nxd1 b5 26. Bd4 Kh6 27. Qxg7+ Kh5 28. Bf6 c3 29. Qg5# 1-0

[Event "Merida Universiada"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Pina, Raul"]
[Black "Balam, Yariely"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "48"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be6 4. Bxe6 fxe6 5. 0-0 Nf6 6. Nc3 Nc6 7. d3 Be7 8. Re1 0-0 9. Ng5 Qd7 10. a3 d5 11. exd5 exd5 12. Nf3 Bd6 13. d4 e4 14. Ng5 Ng4 15. Rf1 Bxh2+ 16. Kh1 Rxf2 17. Nh3 Rxf1+ 18. Qxf1 Rf8 19. Bf4 Qf5 20. Re1 Bxf4 21. Nxf4 g5 22. g3 gxf4 23. Nb5 Qh5+ 24. Kg2 Qh2# 0-1

[Event "Merida op"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "4"]
[White "Pina, Raul"]
[Black "Estrella, Manuel"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "66"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. e5 dxe5 5. dxe5 Qxd1+ 6. Kxd1 Ng4 7. Ke1 Nxe5 8. Bf4 Bg7 9. Nf3 Nbc6 10. b4 Nxf3+ 11. Ke2 Bxc3 12. Rb1 Nfd4+ 13. Kd3 Bf5+ 14. Kxc3 Bxc2 15. Rc1 Be4 16. b5 Nxb5+ 17. Kc4 Na3+ 18. Kb3 Nc2 19. Bxc7 N6d4+ 20. Kc4 Rc8 21. Kc3 Rxc7+ 22. Kd2 0-0 23. Bd3 Bxd3 24. Kxd3 Rd8 25. Rhe1 Nb3+ 26. Ke2 Nxc1+ 27. Rxc1 Nd4+ 28. Kd2 Nb3+ 29. Ke2 Nxc1+ 30. Kf3 Rc3+ 31. Kf4 g5+ 32. Kxg5 Rd5+ 33. Kh6 Rc6# 0-1

[Event "Merida op"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "1"]
[White "Pina, Raul"]
[Black "Hernandez, Roger"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "74"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. h4 Qxe5+ 8. Be3 Qxb2 9. Bd4 Qb4+ 10. c3 Qd6 11. Bxf6 Qxf6 12. Rh3 d5 13. Qd2 Bxh3 14. gxh3 Qxh4 15. Bg2 Bd6 16. Na3 Qe7+ 17. Qe2 Qxe2+ 18. Kxe2 Bxa3 19. Rb1 0-0 20. Rb3 Bc5 21. h4 Rab8 22. Rxb8 Rxb8 23. h5 Rb2+ 24. Kd3 Rxf2 25. Bh3 Rf3+ 26. Kd2 Rxh3 27. a4 Rxh5 28. a5 Re5 29. c4 dxc4 30. Kc3 h5 31. Kxc4 h4 32. Kc3 h3 33. Kd3 h2 34. Kc4 h1Q 35. Kb3 Qc1 36. Ka2 Re3 37. a6 Ra3# 0-1

[Event "Merida Universiada"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Pina, Raul"]
[Black "Preve, Carlos"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "50"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Nf3 e6 5. e3 Bb4 6. Be2 0-0 7. 0-0 Nc6 8. a3 Bd6 9. cxd5 exd5 10. Bd3 Bxd3 11. Qxd3 Re8 12. Re1 Ne4 13. Qc2 Nxc3 14. bxc3 Qf6 15. e4 h6 16. exd5 Rxe1+ 17. Nxe1 Re8 18. Bd2 Ne7 19. Nf3 Nxd5 20. c4 Nf4 21. Qa4 Re7 22. Qxa7 c5 23. dxc5 Qxa1+ 24. Ne1 Rxe1+ 25. Bxe1 Qxe1# 0-1

