[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "9"]
[White "Hernandez Onna, Roman"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "E44"]
[PlyCount "71"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Be7 7. d5 d6 8. Ng3 Nbd7 9. Be2 0-0 10. 0-0 e5 11. b4 Re8 12. Qb3 Nf8 13. Bd2 Ng6 14. Rfd1 Rb8 15. a4 Ba8 16. a5 bxa5 17. Rxa5 c5 18. Nb5 Qd7 19. Rxa7 Qd8 20. bxc5 dxc5 21. Qa4 Bb7 22. d6 Bf8 23. Nc7 Nd7 24. Ba5 Bc8 25. Nxe8 Qxe8 26. Bg4 e4 27. Bxd7 Qe5 28. Bxc8 Rb2 29. Rb7 Rxb7 30. Bxb7 Bxd6 31. Rxd6 Qxd6 32. Qe8+ Nf8 33. Bd5 Qf6 34. Bc3 Qg6 35. Bxe4 Qb6 36. Nf5 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "6"]
[White "Li Chen, Samuel"]
[Black "Cobo Arteaga, Eldis"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "78"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. h4 c5 7. cxd5 Nxd5 8. e4 Nxc3 9. bxc3 Bg4 10. Bb2 cxd4 11. cxd4 Nc6 12. e5 Qd5 13. Qd2 Bxf3 14. gxf3 Rfd8 15. Rd1 Qxf3 16. Rh3 Qf5 17. f4 Bh6 18. Rf3 Nxe5 19. Rf2 Ng4 20. Bh3 Qe4+ 21. Qe2 Nxf2 22. Kxf2 Qxf4+ 23. Kg2 Qxh4 24. d5 Qg5+ 25. Kh2 Rxd5 26. Bc1 Qh5 27. Qxh5 Rxh5 28. Ba3 Rc8 29. Rd3 Bf4+ 30. Kg1 e6 31. Bg2 Rb5 32. Kf2 h5 33. Kf3 g5 34. Be7 Kg7 35. Bf1 Rb2 36. Ra3 Rcc2 37. Bd3 f5 38. Bxc2 Rxc2 39. Bb4 e5 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "10"]
[White "Li Chen, Samuel"]
[Black "Garcia Martinez, Silvino"]
[Result "0-1"]
[ECO "E92"]
[PlyCount "96"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Be2 e5 7. d5 Nh5 8. Bg5 f6 9. Bh4 Nf4 10. Bf1 a5 11. Qc2 Na6 12. a3 Nc5 13. h3 a4 14. Bg3 f5 15. Nd2 Bh6 16. 0-0-0 fxe4 17. Kb1 e3 18. fxe3 Nh5 19. Be1 Bxe3 20. Nde4 Bd7 21. Ka2 Bd4 22. g4 Nf4 23. Bg3 Qe7 24. Ne2 Nxe2 25. Bxe2 Ra6 26. h4 Rb6 27. Nc3 Rb3 28. Rdf1 Rb8 29. Bf2 Qe8 30. Bd1 b5 31. Bxd4 exd4 32. Re1 Qd8 33. Nxb5 Bxb5 34. Rh2 Ba6 35. Qb1 Re3 36. Rg1 Bxc4+ 37. Ka1 Rxa3+ 38. bxa3 Rxb1+ 39. Kxb1 Bxd5 40. g5 Be4+ 41. Ka1 Qb8 42. Rb2 Nb3+ 43. Ka2 c5 44. h5 c4 45. Bg4 c3 46. Be6+ Kh8 47. Rxb3 axb3+ 48. Bxb3 Bc2 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "2"]
[White "Li Chen, Samuel"]
[Black "Hook, William"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "66"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e3 d6 6. Be2 Nbd7 7. 0-0 e5 8. Qc2 c6 9. Rd1 Qe7 10. b3 Ne8 11. Ba3 f5 12. Rd2 e4 13. Ne1 Nef6 14. Rb1 Rf7 15. g3 g5 16. Bf1 Nf8 17. Bg2 Ng6 18. Re2 Qe6 19. Rd1 d5 20. cxd5 cxd5 21. Bc1 Bd7 22. a4 Bf8 23. Na2 Bd6 24. Qb2 Rc8 25. f4 exf3 26. Nxf3 Ne4 27. Ne1 b5 28. a5 Be8 29. Nd3 h5 30. Ree1 Rfc7 31. Qb1 h4 32. b4 hxg3 33. Nc5 gxh2+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "17"]
[White "Li Chen, Samuel"]
[Black "Iglesias, Alfredo"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "83"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d3 Nf6 5. Be2 g6 6. Bg5 Bg7 7. 0-0 h6 8. Bh4 g5 9. Bg3 Nh5 10. Qd2 e5 11. a3 Be6 12. Rae1 Nf4 13. Kh1 h5 14. Bd1 g4 15. Bxf4 gxf3 16. Be3 fxg2+ 17. Kxg2 Nd4 18. Nd5 Qd7 19. Kh1 0-0-0 20. c3 Bxd5 21. exd5 Nf5 22. b4 Rdg8 23. bxc5 dxc5 24. c4 Bf8 25. Rg1 h4 26. Bg5 Rg6 27. Rxe5 Nd4 28. Bg4 f5 29. Bd1 Bd6 30. Ree1 Qc7 31. f4 h3 32. Rgf1 Kb8 33. Ba4 Rgg8 34. Rf2 a6 35. Bf6 Rh6 36. Be5 Rhg6 37. Qe3 Ka7 38. Rb2 Bxe5 39. fxe5 Qg7 40. Bd1 f4 41. Qf2 Rg2 42. d6 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "15"]
[White "Li Chen, Samuel"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "0-1"]
[ECO "D91"]
[PlyCount "72"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. h4 exd5 9. e3 0-0 10. Qf3 c6 11. Bd3 h6 12. Nh3 Qxh4 13. g3 Qf6 14. Qg2 h5 15. Kd2 Na6 16. a3 Nc7 17. f3 c5 18. Nf4 cxd4 19. exd4 Qxd4 20. Kc2 Qf6 21. Nxh5 gxh5 22. Rxh5 Re8 23. f4 Bd7 24. Rah1 Re3 25. Rg5 Rxd3 26. Kxd3 Bf5+ 27. Ke2 Ne6 28. Rxg7+ Qxg7 29. Rh4 Rd8 30. Ke1 d4 31. Nd1 d3 32. Kd2 Nc5 33. g4 Nb3+ 34. Ke1 d2+ 35. Kf1 Bd3+ 36. Kf2 Bc2 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "13"]
[White "Li Chen, Samuel"]
[Black "Juarez, Carlos Eleodoro"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "86"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. b3 Bg7 5. Bb2 d6 6. Bg2 Bd7 7. e3 Qc8 8. Nge2 Bh3 9. Bxh3 Qxh3 10. Nf4 Qd7 11. d3 h5 12. h3 e6 13. Qe2 Nge7 14. Ncd5 e5 15. Nxe7 Nxe7 16. Nd5 Nxd5 17. cxd5 0-0 18. g4 h4 19. 0-0 Bh6 20. Kh1 a5 21. Rg1 a4 22. Kh2 Bg5 23. Qd2 f6 24. b4 b6 25. f4 Bh6 26. g5 fxg5 27. fxe5 dxe5 28. Raf1 Qxd5 29. Bc1 cxb4 30. e4 Qd6 31. Qe2 Rxf1 32. Rxf1 Rf8 33. Rg1 Qf6 34. Rg2 Qf1 35. Bd2 Qxe2 36. Rxe2 b3 37. axb3 axb3 38. Bc3 Rc8 39. Bb2 Rc2 40. Rg2 Bf8 41. Kh1 Kf7 42. Kg1 Bc5+ 43. Kf1 Rxg2 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "8"]
[White "Li Chen, Samuel"]
[Black "Lamas Baliero, Pedro"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "76"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qc7 4. Nc3 e6 5. b3 d6 6. 0-0 Bd7 7. Re1 Nf6 8. Bb2 Be7 9. d4 cxd4 10. Nxd4 0-0 11. Nxc6 bxc6 12. Bd3 e5 13. Ne2 Nh5 14. Bc1 d5 15. c4 d4 16. h3 g6 17. g4 Nf4 18. Nxf4 exf4 19. Qf3 Bd6 20. Kh2 Kg7 21. Bb2 Be5 22. c5 Be6 23. Kg2 Qe7 24. Rac1 h5 25. Rg1 hxg4 26. hxg4 Qh4 27. Be2 f5 28. gxf5 Rxf5 29. Kf1 Rg5 30. Rxg5 Qxg5 31. Qd3 Rh8 32. Bf3 Rh3 33. Qd1 Bg4 34. Bxd4 Bxf3 35. Bxe5+ Kh6 36. Qxf3 Rxf3 37. Ke2 Qh5 38. Bd6 Re3+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "4"]
[White "Li Chen, Samuel"]
[Black "Silva Sanchez, Carlos"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "62"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. e3 Nf6 3. Nc3 Nc6 4. Nge2 d5 5. cxd5 Nb4 6. Ng3 Nbxd5 7. Be2 Be7 8. Qc2 Nb4 9. Qb1 0-0 10. b3 Bg4 11. f3 Be6 12. 0-0 Qd7 13. a3 Nc6 14. b4 Rad8 15. Qc2 a5 16. b5 Nd4 17. exd4 exd4 18. Qb2 dxc3 19. dxc3 Qd5 20. Bf4 Rd7 21. Kh1 Rfd8 22. a4 Qc5 23. Ne4 Nxe4 24. fxe4 Bg5 25. Bxg5 Qxg5 26. Rae1 Rd2 27. Qc1 h6 28. c4 R8d4 29. g3 Rxe4 30. Bf3 Rxc4 31. h4 Rxh4+ 0-1

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "14"]
[White "Moraza, Manuel"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "89"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 a6 7. Nxc6 bxc6 8. e5 Nd7 9. e6 fxe6 10. Bxe6 Nf6 11. Bb3 e6 12. Bg5 Be7 13. Bxf6 Bxf6 14. Qh5+ g6 15. Qe2 Bxc3+ 16. bxc3 Qf6 17. 0-0 0-0 18. Qe3 d5 19. f4 a5 20. a4 Ba6 21. Rf3 Qe7 22. Re1 Rf6 23. Kh1 Bb7 24. Rd1 Re8 25. Rf2 c5 26. Rfd2 Kf7 27. h3 Bc6 28. c4 d4 29. Qg3 Qb7 30. Re1 Rf5 31. Rde2 Qb4 32. Qh4 h5 33. Kh2 d3 34. Re5 Qd2 35. Qg3 h4 36. Qg4 Rxf4 37. Qg5 Bxg2 38. Qxg2 Rf2 39. Rf1 Qf4+ 40. Kg1 Qxe5 41. Qxf2+ Ke7 42. cxd3 Kd7 43. Bd1 g5 44. Bg4 Rf8 45. Qxf8 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "3"]
[White "Perez Perez, Francisco Jose"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "113"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. e3 Nf6 4. Nc3 e6 5. Nf3 Bb4 6. Bd2 Nbd7 7. Bd3 dxc4 8. Bxc4 Nd5 9. 0-0 N7f6 10. Nxd5 exd5 11. Bxb4 dxc4 12. Ne5 Be6 13. Qe2 Nd5 14. Ba3 Nb6 15. Rfd1 Qc7 16. Bc5 Nd7 17. Nxc4 Nxc5 18. dxc5 0-0 19. Nd6 f5 20. b4 Rf6 21. a3 Raf8 22. Rd4 Rh6 23. Rad1 Qe7 24. g3 g5 25. f4 Bd5 26. fxg5 Re6 27. Re1 Qxg5 28. Rf4 b5 29. e4 Re5 30. Nxf5 h5 31. Qf2 Bc4 32. Nd6 Rd8 33. Rf5 Qe7 34. Rxe5 Qxe5 35. Qf4 Qd4+ 36. Qe3 Qe5 37. Qf4 Qd4+ 38. Kg2 Rf8 39. Qg5+ Qg7 40. Qxg7+ Kxg7 41. Nxc4 bxc4 42. Rc1 Rd8 43. Rxc4 Kf6 44. a4 Ke5 45. b5 Rf8 46. bxc6 Rc8 47. c7 Rxc7 48. c6 Kd6 49. h3 a5 50. g4 h4 51. g5 Ke5 52. Kf3 Rf7+ 53. Kg4 Rc7 54. Kxh4 Kf4 55. g6 Rc8 56. g7 Rg8 57. e5+ 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "16"]
[White "Ramirez, Percy"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "83"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 a6 8. Nd5 Nf6 9. Nxc6 bxc6 10. Bb6 Qd7 11. Nc7+ Kf8 12. Nxa8 Qb7 13. 0-0 Qxa8 14. Re1 Qb8 15. Bd4 Nd7 16. Qf3 f6 17. Rad1 e5 18. Be3 Ke7 19. Rd2 Rd8 20. Qh3 Nf8 21. Qh4 g5 22. Qh5 Be6 23. Bxe6 Kxe6 24. h4 h6 25. Red1 d5 26. Qg4+ Kd6 27. exd5 c5 28. Qa4 Qb5 29. Qa3 f5 30. Rd3 Qb6 31. Rb3 Qa7 32. Qa5 Kd7 33. Bxc5 Qa8 34. Qb6 Ke8 35. Bxf8 Kxf8 36. Qc7 Qc8 37. Qxc8 Rxc8 38. d6 Kf7 39. Rb7+ Kf8 40. c4 Bf6 41. d7 Rd8 42. c5 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "7"]
[White "Rodriguez, JS."]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "C11"]
[PlyCount "89"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 Be7 6. Ndf3 c5 7. c3 Nc6 8. Ne2 a6 9. g3 0-0 10. Bh3 f5 11. exf6 Rxf6 12. Be3 c4 13. Qc2 b5 14. 0-0 Nf8 15. Rae1 Ra7 16. Ne5 Qb6 17. Ng4 Rf7 18. Kh1 Bd6 19. Ng1 Ne7 20. Ne5 Nf5 21. Nxf7 Nxe3 22. Nh6+ gxh6 23. Rxe3 Rf7 24. Rfe1 Rf6 25. Nf3 b4 26. Nh4 Qa5 27. f5 exf5 28. Bxf5 Qc7 29. Bxc8 Qxc8 30. Qg2 Qb7 31. Rf3 Nd7 32. Rf5 Rxf5 33. Nxf5 Bf8 34. Ne7+ Bxe7 35. Rxe7 Qc6 36. Qe2 bxc3 37. bxc3 Nf8 38. Qg4+ Qg6 39. Qxg6+ hxg6 40. Re5 Kf7 41. Rxd5 Ne6 42. Ra5 Kf6 43. Rxa6 Ke7 44. Rc6 Kd7 45. Rxc4 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "5"]
[White "Rodriguez Vargas, Orestes"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "81"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e6 3. d4 d5 4. e5 Nge7 5. c3 Ng6 6. h4 Be7 7. h5 Nf8 8. Bd3 b6 9. b4 h6 10. Qc2 Qd7 11. 0-0 Bb7 12. a4 a6 13. Nbd2 Na7 14. Nb3 Qd8 15. Be3 Nd7 16. Qe2 Qc8 17. Rac1 Nc6 18. Nfd2 a5 19. b5 Nd8 20. Qg4 Kf8 21. f4 f5 22. Qh3 Ke8 23. g4 Nf8 24. gxf5 Rg8 25. fxe6 Ndxe6 26. Qg3 Kd8 27. Nf3 Qd7 28. f5 Ng5 29. Nxg5 hxg5 30. Bxg5 Kc8 31. Bxe7 Qxe7 32. f6 Qf7 33. fxg7 Qxg7 34. Qxg7 Rxg7+ 35. Kh2 Ne6 36. Rf6 Kd7 37. Bf5 Re8 38. Rg1 Rxg1 39. Kxg1 Bc8 40. Rxe6 Rxe6 41. h6 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "1"]
[White "Villarroel, Geber"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "43"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 dxe4 5. Nxe4 Nf6 6. Bd3 Nc6 7. c3 h6 8. 0-0 Bd7 9. Qe2 Qc8 10. Re1 Nxe4 11. Bxe4 Nd8 12. Ne5 Bf6 13. Bf4 Bxe5 14. Bxe5 0-0 15. Bxg7 Kxg7 16. Qg4+ Kf6 17. Qh4+ Kg7 18. Re3 f5 19. Rg3+ Kh7 20. Re1 e5 21. Qg4 Ne6 22. Qg6+ 1-0

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "11"]
[White "Yabra, Frederico"]
[Black "Li Chen, Samuel"]
[Result "1/2-1/2"]
[ECO "E40"]
[PlyCount "120"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 0-0 7. Qc2 b6 8. Nf3 Re8 9. Bd3 Bb7 10. 0-0 Nbd7 11. Ne5 dxc4 12. Nxc4 e5 13. Nd2 c5 14. Bb2 Rc8 15. dxe5 Nxe5 16. Bf5 Rc7 17. Rad1 Qe7 18. c4 h5 19. Rfe1 Neg4 20. h3 Nh6 21. Bd3 Rd7 22. e4 Red8 23. e5 Ne8 24. Nf1 Nc7 25. Ng3 Ne6 26. Bh7+ Kh8 27. Rxd7 Rxd7 28. Be4 h4 29. Nf1 Nd4 30. Qb1 Bc8 31. f4 Rd8 32. Ne3 Qe8 33. Bc3 Qe6 34. Qb2 Nhf5 35. Nxf5 Nxf5 36. Bxf5 Qxf5 37. e6 Bxe6 38. Bxg7+ Kh7 39. Bf6 Rg8 40. Bg5 Bxc4 41. Qf2 Rxg5 42. fxg5 Qxf2+ 43. Kxf2 Kg6 44. Re7 Be6 45. Rxa7 b5 46. Rb7 b4 47. axb4 cxb4 48. Rxb4 Kxg5 49. g3 Bxh3 50. gxh4+ Kh6 51. Kg3 Bf5 52. Kf4 Bc2 53. Rb8 Bd3 54. Rg8 Bg6 55. Ke5 Kh5 56. Rh8+ Kg4 57. Rh6 Bh5 58. Rh8 Bg6 59. Kf6 Bh5 60. Ke5 Bg6 1/2-1/2

[Event "Pan American-ch"]
[Site "Havana"]
[Date "1970.??.??"]
[Round "12"]
[White "Yepez, Trotzky"]
[Black "Li Chen, Samuel"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "107"]
[EventDate "1970.07.15"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. Qa4+ Nc6 6. Ne5 Bd7 7. Nxc6 Bxc3+ 8. bxc3 Bxc6 9. Qc2 dxc4 10. f3 b5 11. e4 Ng8 12. Be2 Ne7 13. 0-0 0-0 14. Ba3 Re8 15. Rae1 Ng6 16. f4 f5 17. d5 exd5 18. exf5 Nf8 19. Bf3 Qf6 20. Bc5 Qf7 21. Bd4 Nd7 22. g4 Nf6 23. Qg2 Ne4 24. h4 a5 25. a3 Rab8 26. h5 h6 27. g5 Qxf5 28. gxh6 Qf7 29. hxg7 Kh7 30. f5 Nf6 31. Qg6+ Qxg6+ 32. hxg6+ Kxg7 33. Kg2 Rxe1 34. Rxe1 Re8 35. Rh1 Rf8 36. Rh7+ Kg8 37. Rxc7 Ba8 38. Bxf6 Rxf6 39. Rc8+ Kg7 40. Rxa8 Rxf5 41. Rxa5 d4 42. cxd4 Rg5+ 43. Kf2 Kxg6 44. d5 Kf6 45. Rxb5 Rg7 46. Rc5 Ra7 47. Rxc4 Rxa3 48. Re4 Kf5 49. Re3 Ra2+ 50. Be2 Ra7 51. Bd3+ Kf6 52. Re6+ Kf7 53. Ke3 Kf8 54. Kd4 1-0

