[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Arevalo, Gerardo"]
[Black "Concha, Aliro"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "81"]
[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 Nf6 2. Nc3 d6 3. Nf3 a6 4. d4 Bg4 5. Be2 Nbd7 6. Be3 e6 7. h3 Bh5 8. Bg5 Be7 9. a3 0-0 10. 0-0 b5 11. e5 Ne8 12. Bxe7 Qxe7 13. exd6 cxd6 14. Ne4 Rc8 15. a4 Nc7 16. axb5 axb5 17. Ra5 d5 18. Ng3 Bg6 19. c3 Rb8 20. b4 Rfc8 21. Qe1 Rb7 22. Qd2 Qd6 23. Rfa1 Qc6 24. Qe3 f6 25. Nd2 Bc2 26. Rc1 Ba4 27. Bd3 Nf8 28. f4 Na6 29. Be2 Nb8 30. Ra1 Qd7 31. Qf3 Rb6 32. c4 dxc4 33. Bxc4 bxc4 34. R5xa4 c3 35. Nb3 c2 36. Nc5 Qd6 37. Rc1 Ra6 38. Nxa6 Nxa6 39. Qb7 Rc6 40. b5 Rb6 41. Rxa6 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Concha, Aliro"]
[Black "Sepulveda, Claudio"]
[Result "1-0"]
[ECO "D44"]
[PlyCount "93"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bxf6 gxf6 9. a4 Ba6 10. axb5 cxb5 11. Rxa6 Nxa6 12. Nxb5 Qa5+ 13. Nc3 Bb4 14. Qc2 Qa1+ 15. Ke2 Rb8 16. Nd1 c3 17. Ke3 Nc7 18. Nxc3 Qa5 19. Bc4 f5 20. h4 Bxc3 21. Qxc3 Qxc3+ 22. bxc3 Ke7 23. Ra1 Ra8 24. Nd2 Nd5+ 25. Bxd5 exd5 26. Ra5 Rhd8 27. Kf4 a6 28. Kxf5 Kf8 29. Nb3 Kg7 30. Nc5 Rdb8 31. g4 Rb5 32. Ra2 a5 33. Ra4 Rb2 34. f4 Rg2 35. g5 Rb2 36. e6 hxg5 37. fxg5 Rb1 38. h5 Rf1+ 39. Ke5 f5 40. gxf6+ Rxf6 41. Kxd5 Rf5+ 42. Kc6 Rxh5 43. Kb6 Rah8 44. Kb7 Re8 45. Rxa5 Kf6 46. Ne4+ Kxe6 47. Rxh5 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Letelier Martner, Rene"]
[Black "Concha, Aliro"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2210"]
[PlyCount "67"]
[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 Nf6 2. Nf3 d5 3. g3 c6 4. Bg2 Nbd7 5. 0-0 Nb6 6. a4 Nc4 7. Nbd2 Nd6 8. Ne5 Bf5 9. c4 e6 10. a5 Nd7 11. a6 Qc7 12. axb7 Qxb7 13. Qa4 Nxe5 14. dxe5 Nc8 15. cxd5 exd5 16. Bxd5 Bd7 17. Bg2 Be7 18. Nc4 Nb6 19. Nxb6 Qxb6 20. Rd1 Bc5 21. e3 Qc7 22. b4 Be7 23. Bb2 0-0 24. Rac1 Rab8 25. b5 c5 26. Bc3 Rxb5 27. Bd5 Rb7 28. Qa1 Bc6 29. e4 Re8 30. e6 f6 31. Qa2 Kh8 32. e5 f5 33. Bc4 Bf8 34. Qd2 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Puelma, Roberto"]
[Black "Concha, Aliro"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2250"]
[PlyCount "69"]
[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. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 h6 7. c3 d6 8. Nbd2 Na5 9. Bc2 c5 10. Nf1 Nc6 11. Ng3 Ra7 12. 0-0 g6 13. h3 Bg7 14. Be3 Rd7 15. d4 cxd4 16. cxd4 0-0 17. Qe2 Kh7 18. Rfe1 Ng8 19. a4 b4 20. d5 Nb8 21. a5 Rb7 22. Ba4 Bd7 23. Bb6 Rxb6 24. axb6 Bxa4 25. Rxa4 Qxb6 26. Qc4 Ne7 27. Rxb4 Qa7 28. Qb3 Qc7 29. Rb7 Qd8 30. Qb6 Qxb6 31. Rxb6 Rd8 32. Rc1 f5 33. Rb7 fxe4 34. Rxe7 exf3 35. Rcc7 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Ramos, Duberly"]
[Black "Concha, Aliro"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "77"]
[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 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. cxd5 exd5 6. e3 Bg4 7. Be2 Nbd7 8. Bd2 Bd6 9. h3 Bh5 10. Qc2 0-0 11. 0-0 Re8 12. Rfe1 Ne4 13. Nxe4 dxe4 14. Nh2 Bxe2 15. Rxe2 Kh8 16. Nf1 f5 17. Qb3 Rb8 18. Bc3 Nf6 19. Rc1 Nh5 20. Qf7 Qg5 21. Bd2 Rf8 22. Qd7 Rf6 23. g3 Rg6 24. Kh1 Bxg3 25. fxg3 Nxg3+ 26. Nxg3 Qxg3 27. Qxf5 Re8 28. Rh2 h6 29. Qf2 Qd6 30. Rg1 Rf6 31. Qg3 Qd7 32. Qg4 Qf7 33. d5 Rd6 34. Bc3 Rd7 35. Rhg2 Ree7 36. dxc6 bxc6 37. Qg6 Qf3 38. Qxh6+ Kg8 39. Kh2 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Velasquez, Nelson"]
[Black "Concha, Aliro"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "114"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Bd3 Ne4 8. Bxe4 dxe4 9. Ne5 Nxe5 10. dxe5 f5 11. 0-0 Qxe5 12. Qd8+ Kf7 13. Rad1 h6 14. Bf4 Qf6 15. Qc7+ Qe7 16. Rd8 Qxc7 17. Bxc7 Rg8 18. Ne2 Be7 19. Rxg8 Kxg8 20. Rd1 Kf7 21. Be5 a5 22. Nd4 a4 23. Kf1 g5 24. a3 Ra6 25. Rc1 Bf6 26. Bd6 e5 27. Ne2 Ke6 28. Rd1 Be7 29. Bxe7 Kxe7 30. Nc3 Be6 31. Ke1 Bxc4 32. Rd2 b5 33. g3 Bd3 34. Rd1 g4 35. Na2 c5 36. Rc1 Kd6 37. Kd2 Bc4 38. Nc3 Bd3 39. Na2 Ra8 40. Kc3 Ke7 41. Rd1 Bc4 42. Nc1 Rd8 43. Rxd8 Kxd8 44. Kd2 Ke7 45. Kc3 Ke6 46. Kd2 b4 47. Kc2 f4 48. Kd2 Kf5 49. Kc2 fxg3 50. hxg3 h5 51. Kd2 Kg5 52. Kc2 h4 53. gxh4+ Kxh4 54. Kd2 Kh3 55. Ke1 Kg2 56. Ne2 Bxe2 57. Kxe2 bxa3 0-1

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Concha, Aliro"]
[Black "Cordova Valle, Sergio"]
[Result "1-0"]
[ECO "C43"]
[BlackElo "2320"]
[PlyCount "47"]
[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 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Nxe5 d5 5. Bd3 Nd7 6. Nxd7 Bxd7 7. Qe2 Qe7 8. Bf4 0-0-0 9. f3 Qh4+ 10. g3 Nxg3 11. Bxg3 Qxd4 12. c3 Qf6 13. 0-0 Bc5+ 14. Bf2 Rhe8 15. Qd2 Bd6 16. Bxa7 Bh3 17. Bd4 Qh4 18. Na3 c5 19. Bf2 Qh5 20. Bg3 c4 21. Bc2 Bc5+ 22. Kh1 Be3 23. Qd1 d4 24. Be4 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Concha, Aliro"]
[Black "Cortes Moyano, Julio"]
[Result "0-1"]
[ECO "C69"]
[BlackElo "2290"]
[PlyCount "98"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Nfd2 Nf6 11. Nc4 0-0-0 12. Nxd6+ cxd6 13. Rg3 Rd7 14. Nc3 b5 15. b4 Be6 16. a4 Kb7 17. axb5 axb5 18. Rd3 Bc4 19. Rd1 Ra8 20. Rxa8 Kxa8 21. f3 d5 22. exd5 cxd5 23. Re1 Re7 24. Bb2 d4 25. Ne2 Ra7 26. Nxd4 exd4 27. Bxd4 Rd7 28. c3 Nd5 29. Be5 Kb7 30. Kf2 Kc6 31. Ra1 Nb6 32. Ra6 Kb7 33. Ra1 g6 34. Bd4 Re7 35. g4 Na4 36. Kg3 Kc6 37. f4 Nxc3 38. Ra6+ Kd5 39. Be5 Ne4+ 40. Kf3 Ng5+ 41. Kg3 Nf7 42. Bb8 Re3+ 43. Kf2 Ke4 44. Ra7 Rf3+ 45. Kg2 Bf1+ 46. Kh1 Bh3 47. Re7+ Kd5 48. Re1 Kc4 49. Rb1 Nh6 0-1

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Concha, Aliro"]
[Black "Donoso, Ricardo"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "81"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. g4 Nc6 9. Qd2 Nxd4 10. Bxd4 Be6 11. h4 h5 12. g5 Nd7 13. Bxg7 Kxg7 14. 0-0-0 Qa5 15. a3 Rfc8 16. Nd5 Qxd2+ 17. Rxd2 Kf8 18. b3 Bxd5 19. Rxd5 Rc3 20. Rd3 Rac8 21. Rxc3 Rxc3 22. Be2 e6 23. Kd2 Rc7 24. c4 Ke7 25. Rc1 Nc5 26. Rc3 e5 27. Bf1 Ne6 28. Rd3 Nf4 29. Re3 f6 30. gxf6+ Kxf6 31. Re1 g5 32. hxg5+ Kxg5 33. Ke3 Kf6 34. Rd1 Ke6 35. Kf2 Rg7 36. b4 b6 37. c5 dxc5 38. bxc5 bxc5 39. Rd8 Rd7 40. Rh8 Kd6 41. a4 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Concha, Aliro"]
[Black "Sarno, Hector"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "88"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 Nc6 9. f4 Qc7 10. Qe1 Bd7 11. Qg3 0-0-0 12. a3 Nxd4 13. Bxd4 Bc6 14. Qe3 Nd7 15. Ba7 Rde8 16. b4 d5 17. Bd4 Rhg8 18. b5 axb5 19. Nxb5 Bxb5 20. Bxb5 g5 21. f5 exf5 22. Rxf5 dxe4 23. a4 Rg6 24. Rb1 Re6 25. c3 Rh6 26. g3 Rd8 27. Rxf7 Ne5 28. Qxe4 Nxf7 29. Qf5+ Kb8 30. Qxf7 Bd6 31. Qf3 Bc5 32. Bxc5 Qxc5+ 33. Kh1 Rd2 34. Be2 Rb6 35. Rxb6 Qxb6 36. Kg2 Ra2 37. Qe4 Ra1 38. Bf3 Ra2+ 39. Kh3 Rf2 40. a5 Qc6 41. Qxc6 bxc6 42. Bxc6 Rc2 43. Be4 Rxc3 44. Bxh7 Ra3 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Labra Carreno, Martin"]
[Black "Concha, Aliro"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2360"]
[PlyCount "100"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 0-0 8. h3 Nc6 9. c3 e6 10. 0-0 Ne7 11. Na3 d5 12. Bf4 Bd7 13. Qd2 Kh8 14. Bh6 Nf5 15. Bg5 Qe8 16. g4 Ne7 17. Bf6 Ng8 18. Qg5 Bxf6 19. exf6 Qd8 20. Ne5 Qxf6 21. Qe3 Be8 22. f4 Qe7 23. Rae1 Nd7 24. Nf3 Ndf6 25. Bc2 Qd6 26. Kg2 Bd7 27. Rf2 Rae8 28. Bb1 Bc6 29. Ne5 Ne7 30. Rfe2 a6 31. Qg3 Ne4 32. Qh4 f5 33. g5 h5 34. Nc2 Rb8 35. Nb4 Be8 36. Nbd3 a5 37. Rc1 Nc6 38. a3 Rg8 39. Qe1 Nxe5 40. Nxe5 c5 41. h4 Rg7 42. Qg1 Rc7 43. Bd3 Kg8 44. Rec2 b5 45. Be2 b4 46. Ra1 Rh7 47. axb4 axb4 48. Qe1 bxc3 49. bxc3 Rb3 50. Bf3 Qb6 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Letelier Martner, Rene"]
[Black "Concha, Aliro"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2220"]
[PlyCount "29"]
[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. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Be7 5. e3 c6 6. Nf3 Ne4 7. Bxe7 Qxe7 8. Qc2 f5 9. cxd5 cxd5 10. Nxe4 dxe4 11. Qxc8+ Kf7 12. Ne5+ Kf6 13. Qxh8 Qb4+ 14. Kd1 Qxb2 15. Qd8# 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Zapata Ferrada, Marco"]
[Black "Concha, Aliro"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2240"]
[PlyCount "130"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Qe2 0-0 8. 0-0 d5 9. Be3 Nc6 10. Nbd2 Na5 11. h3 Nxb3 12. axb3 Nd7 13. c4 c6 14. Rfe1 Re8 15. Bg5 Nf8 16. c5 Ne6 17. Be3 f5 18. Ng5 Rf8 19. Nxe6 Bxe6 20. f4 Bd7 21. e6 Bc8 22. Nf3 Rf6 23. b4 Rxe6 24. Ng5 Rf6 25. Bf2 Re6 26. Qd3 h6 27. Nf3 Re4 28. Ne5 Bxe5 29. fxe5 e6 30. b5 Bd7 31. bxc6 Bxc6 32. Reb1 a6 33. b4 Bb5 34. Qf3 Qg5 35. Re1 Rf8 36. Rad1 Kh7 37. Kh2 h5 38. h4 Qh6 39. Bg3 g5 40. hxg5 Qxg5 41. Rxe4 dxe4 42. Qf4 Kg6 43. d5 Rd8 44. d6 Rd7 45. Re1 h4 46. Qxg5+ Kxg5 47. Bf2 Bc6 48. Kh3 Rh7 49. Bd4 f4 50. Rf1 e3 51. Bc3 Kf5 52. Re1 Rg7 53. Re2 Ke4 54. Be1 Kd3 55. Rb2 Ke4 56. Kxh4 Kd3 57. g4 Bf3 58. b5 axb5 59. Rxb5 Rxg4+ 60. Kh5 Rg8+ 61. Kh6 Bc6 62. Rb2 f3 63. Kh7 Rg4 64. Rxb7 Bxb7 65. d7 Rd4 0-1

