[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Aravena, Luis"]
[Black "Concha, Enrique"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. g3 Be7 4. Bg2 0-0 5. 0-0 d6 6. c4 c6 7. Nc3 Nbd7 8. e4 e5 9. b3 exd4 10. Nxd4 Ne5 11. Bb2 c5 12. Nc2 Bg4 13. f3 Be6 14. Qd2 Qd7 15. f4 Nxc4 16. bxc4 Bxc4 17. Rfe1 Rab8 18. Ne3 Ba6 19. Nf5 b6 20. Nxe7+ Qxe7 21. e5 dxe5 22. Rxe5 Qd7 23. Qxd7 Nxd7 24. Re7 Rbd8 25. Rae1 Bc8 26. Bh3 a6 27. Nd5 b5 28. f5 f6 29. Nc7 Nb8 30. Ne6 Bxe6 31. fxe6 Rfe8 32. Rc7 Rc8 33. Rxc8 Rxc8 34. e7 Re8 35. Be6+ Kh8 36. Bf7 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Concha, Enrique"]
[Black "Isamit, Dionis"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "124"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. 0-0 Nf6 5. Nxe5 Nxe5 6. d4 Nxc4 7. dxc5 0-0 8. Re1 Re8 9. b3 Nxe4 10. bxc4 Nxc5 11. Rxe8+ Qxe8 12. Bb2 d6 13. Nc3 Be6 14. Nd5 c6 15. Nc7 Qd8 16. Nxa8 Qxa8 17. Qxd6 b6 18. Rd1 h6 19. Qd4 Qf8 20. Qh4 f6 21. Qf4 Qf7 22. Qb8+ Kh7 23. Rd8 Kg6 24. Rf8 Qd7 25. Rd8 Qf7 26. Rf8 Qd7 27. Qe8+ Qxe8 28. Rxe8 Bxc4 29. a3 Bd5 30. Bd4 Na4 31. Ra8 a5 32. Ra6 c5 33. Be3 Bc4 34. Ra7 Nc3 35. g4 Nb5 36. Rb7 Nxa3 37. Rxb6 Nxc2 38. Bxc5 a4 39. Rc6 Bb3 40. Ra6 Ne1 41. h3 Nd3 42. Bd6 Ne1 43. f4 Nf3+ 44. Kf2 Nd4 45. Ra7 Nb5 46. Ra6 Nxd6 47. Rxd6 a3 48. Ra6 a2 49. f5+ Kg5 50. Kg3 h5 51. h4+ Kh6 52. g5+ Kh7 53. Ra7 Kg8 54. gxf6 gxf6 55. Kf4 Kf8 56. Ke4 Bc2+ 57. Kf4 Bb1 58. Ke3 Ke8 59. Ra8+ Kd7 60. Kd4 Kc6 61. Kc4 Kb6 62. Ra3 Kc6 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Concha, Enrique"]
[Black "Sotelo, Juan"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "75"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. h3 Nc6 5. d3 Na5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Bd2 Nc6 9. 0-0 h6 10. c4 e5 11. Nc3 Be7 12. a3 0-0 13. Nd5 Nxd5 14. exd5 Nd4 15. Nxd4 exd4 16. Qf3 Rfe8 17. Qg3 Kf8 18. Bf4 Rad8 19. Rfe1 g5 20. Bd2 f5 21. f4 Bf6 22. Rxe8+ Rxe8 23. fxg5 Be5 24. Qf3 f4 25. gxh6 Ke7 26. Bxf4 Kd8 27. Bxe5 Rxe5 28. Qf8+ Kc7 29. Qg7 Re7 30. Qg6 a6 31. Rf1 b5 32. b3 a5 33. Rf6 b4 34. axb4 axb4 35. Qg4 Qe8 36. Re6 Qf7 37. Rxe7+ Qxe7 38. Qg7 1-0

