[Event "MEX-ch op "]
[Site "Guadalajara"]
[Date "1974.??.??"]
[Round "?"]
[White "Acevedo, Armando"]
[Black "Sobrino, C."]
[Result "1-0"]
[ECO "C44"]
[PlyCount "59"]
[EventDate "1974.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "MEX"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. 0-0 d6 6. c3 d3 7. b4 Bb6 8. Qxd3 Bg4 9. b5 Nce7 10. Nd4 Nf6 11. Bb3 h6 12. Nd2 g5 13. Nc4 Nd7 14. Qg3 Bxd4 15. cxd4 Be2 16. Re1 Bxc4 17. Bxc4 Nb6 18. Bb3 Ng6 19. e5 d5 20. e6 0-0 21. f4 Qd6 22. Bc2 Nxf4 23. e7 Rfe8 24. Bxf4 Qxf4 25. Qd3 f5 26. Re2 Qd6 27. Rae1 Qg6 28. Re6 Qh7 29. Qh3 g4 30. Qh5 1-0

[Event "Mexican op"]
[Site "Terreon"]
[Date "1970.??.??"]
[Round "?"]
[White "Ferriz Carrasquedo, Alfonso"]
[Black "Sobrino, C."]
[Result "0-1"]
[ECO "C77"]
[PlyCount "78"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 Nxe4 6. Qe2 d5 7. Nxe5 Bd7 8. Bxc6 bxc6 9. Nxd7 Kxd7 10. Qg4+ Ke8 11. 0-0 Qd7 12. Qe2 Be7 13. Re1 f6 14. f3 Nd6 15. Bf4 Kf7 16. Nd2 Rhe8 17. Nb3 Nc4 18. Qd3 g6 19. Qc3 a5 20. Nc5 Bxc5 21. dxc5 a4 22. b3 axb3 23. cxb3 Na3 24. Rxe8 Rxe8 25. Qa5 Nc2 26. Rc1 Nd4 27. Re1 Ne2+ 28. Rxe2 Rxe2 29. Bxc7 Qe7 30. Bf4 Re1+ 31. Kf2 Qe2+ 32. Kg3 g5 33. Qc7+ Kg6 34. Qxc6 gxf4+ 35. Kxf4 Qe5+ 36. Kg4 Qg5+ 37. Kh3 Re2 38. g4 Qh6+ 39. Kg3 Qxh2# 0-1

[Event "Mexican op"]
[Site "Terreon"]
[Date "1970.??.??"]
[Round "?"]
[White "Sobrino, C."]
[Black "De Winter, Willy"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "60"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. f4 a6 8. Nd4 d6 9. Be3 Nf6 10. Be2 Be7 11. 0-0 Bd7 12. a4 0-0 13. Qd2 Qc7 14. Nxc6 Bxc6 15. Bf3 Rac8 16. a5 d5 17. Bb6 Qb8 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Bxd5 exd5 21. Qxd5 Bd6 22. Qd2 Rc4 23. b3 Bc5+ 24. Bxc5 Rxc5 25. b4 Rc4 26. c3 Qc7 27. Rf3 Rc8 28. Rd1 h6 29. Qd7 Rxc3 30. Qxc7 R3xc7 1/2-1/2

[Event "Mexican op"]
[Site "Terreon"]
[Date "1970.??.??"]
[Round "?"]
[White "Sobrino, C."]
[Black "Ruenes, J."]
[Result "0-1"]
[ECO "B96"]
[PlyCount "68"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Nf6 7. Bg5 e6 8. f4 Be7 9. Nxc6 bxc6 10. e5 Nd5 11. Bxe7 Qxe7 12. Nxd5 cxd5 13. exd6 Qxd6 14. 0-0 Qb6+ 15. Kh1 Qxb2 16. Bd3 Qf6 17. Rb1 0-0 18. Rb3 a5 19. g4 g6 20. g5 Qg7 21. Qe2 Bd7 22. Rfb1 Rfe8 23. Rb7 Bc6 24. R7b6 Qc3 25. h4 e5 26. f5 e4 27. fxg6 hxg6 28. R6b3 exd3 29. Qxe8+ Rxe8 30. Rxc3 d2 31. Rg3 d4+ 32. Kh2 Re1 33. Rg1 Rxb1 34. Rxb1 Bf3 0-1

