[Event "CHI-chT"]
[Site "Santiago de Chile"]
[Date "2019.09.12"]
[Round "2.1"]
[White "Letelier Garcia, Francisco Javier"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1978"]
[BlackElo "1976"]
[PlyCount "55"]
[EventDate "2019.09.05"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "La Florida CC II"]
[BlackTeam "Copec"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. f4 d6 7. h3 e5 8. Nge2 exf4 9. Nxf4 0-0 10. 0-0 h5 11. Kh1 Nh7 12. Ncd5 Be5 13. c3 Nf6 14. Nxf6+ Bxf6 15. Be3 Bg7 16. d4 cxd4 17. cxd4 Qb6 18. Rf2 Bxd4 19. Nd5 Qc5 20. b4 Qc4 21. Rc1 Bxe3 22. Rxc4 Bxf2 23. Rxc6 bxc6 24. Nf6+ Kg7 25. Qa1 Kh6 26. Qc1+ Kg7 27. Qb2 Bxg3 28. Ne8+ 1-0

[Event "Santiago IRT"]
[Site "Santiago de Chile"]
[Date "2018.03.19"]
[Round "4.5"]
[White "Toro Ibaceta, Fabian"]
[Black "Toloza Caldera, Gaston I"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1555"]
[BlackElo "2048"]
[PlyCount "86"]
[EventDate "2018.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 Be7 8. Qd2 Qc7 9. Rc1 Nc6 10. Na4 b5 11. Nxc6 Qxc6 12. Nb6 Rb8 13. Nxc8 Qxc8 14. c4 b4 15. b3 0-0 16. Be2 Nd7 17. 0-0 Qc6 18. Rfd1 a5 19. Bf4 Rb6 20. Kh1 a4 21. Be3 Rbb8 22. c5 Nxc5 23. Bxc5 dxc5 24. Qd7 Qxd7 25. Rxd7 axb3 26. axb3 Rfe8 27. Rcd1 Bf6 28. Bc4 Bd4 29. Rd6 Ra8 30. Bb5 Reb8 31. Ba4 g6 32. g4 Rd8 33. Rxd8+ Rxd8 34. Kg2 Kg7 35. Bb5 Ra8 36. Ba4 Bc3 37. Kf1 c4 38. Rd6 cxb3 39. Bxb3 Ra3 40. Bc4 b3 41. Rb6 b2 42. Ke2 Bd4 43. Rb7 Re3+ 0-1

[Event "Santiago IRT"]
[Site "Santiago de Chile"]
[Date "2018.03.15"]
[Round "3.6"]
[White "Toloza Caldera, Gaston I"]
[Black "Hennen Rodriguez, Julian"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2048"]
[BlackElo "1821"]
[PlyCount "59"]
[EventDate "2018.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Be7 11. Be3 0-0 12. Qf3 a6 13. Rad1 Qb8 14. Rfe1 Bd6 15. h3 Nd7 16. Qh5 Ne5 17. Bb3 b5 18. c3 Bb7 19. Bc2 g6 20. Qh6 Nc4 21. Bg5 Re8 22. b3 Bf8 23. Qh4 Nb6 24. Bf6 Qc8 25. Be4 Bxe4 26. Rxe4 Nd5 27. Be5 Be7 28. Qh6 Bf8 29. Qh4 Be7 30. Qh6 1/2-1/2

[Event "Santiago IRT"]
[Site "Santiago de Chile"]
[Date "2018.03.08"]
[Round "1.8"]
[White "Quiroz Sanhueza, Bastian Alexis"]
[Black "Toloza Caldera, Gaston I"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1673"]
[BlackElo "2048"]
[PlyCount "80"]
[EventDate "2018.03.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 g5 4. f3 gxh4 5. fxe4 d5 6. exd5 Qxd5 7. Nc3 Qa5 8. Qd3 Nc6 9. 0-0-0 Bf5 10. e4 Bg6 11. Nf3 0-0-0 12. Qb5 Bg7 13. Qxa5 Nxa5 14. Be2 c5 15. Nxh4 cxd4 16. Nxg6 hxg6 17. Nb1 Nc6 18. Nd2 Kb8 19. Kb1 Rc8 20. Nf3 Rc7 21. a3 Rhc8 22. Bd3 a6 23. Rhf1 e6 24. g4 Ka7 25. Rde1 b5 26. Re2 Be5 27. Ng5 Nd8 28. Ref2 f6 29. Nf3 Bf4 30. Nh4 g5 31. Ng2 e5 32. h4 Ne6 33. h5 Kb6 34. Ne1 Nc5 35. Re2 a5 36. b3 Na6 37. Ng2 Rc3 38. Nxf4 gxf4 39. Kb2 Nc5 40. Rf3 Ne6 1/2-1/2

[Event "San Fernando U2300"]
[Site "San Fernando"]
[Date "2017.01.27"]
[Round "1.6"]
[White "Toloza Caldera, Gaston I"]
[Black "Diaz Vasquez, Martin"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2060"]
[BlackElo "2250"]
[PlyCount "72"]
[EventDate "2017.01.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. e3 0-0 6. Bd3 Nc6 7. 0-0 d5 8. a3 Bxd2 9. Nbxd2 cxd4 10. exd4 Qb6 11. b4 Nxd4 12. c5 Nxf3+ 13. Nxf3 Qc7 14. Re1 a5 15. Rc1 axb4 16. axb4 Qf4 17. b5 Ra3 18. Qe2 Re8 19. Ne5 Nd7 20. Nxd7 Bxd7 21. c6 bxc6 22. bxc6 Bc8 23. Qc2 g6 24. Ra1 Qb4 25. Reb1 Rxa1 26. Rxa1 Re7 27. c7 Qb7 28. Rc1 Qb6 29. h4 e5 30. h5 Kg7 31. Qd2 Rxc7 32. h6+ Kf6 33. Rb1 Qd4 34. Rb4 Qc3 35. Rb6+ Be6 36. Qa2 Qxd3 0-1

[Event "Serrano Sertal 1st"]
[Site "Serrano"]
[Date "2015.09.01"]
[Round "1.14"]
[White "Rios Soto, Guillermo Alejandro"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1692"]
[BlackElo "2156"]
[PlyCount "81"]
[EventDate "2015.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. f4 Nf6 6. Nf3 g6 7. d3 Bg7 8. 0-0 0-0 9. Qe1 Bg4 10. h3 Bxf3 11. Rxf3 Ne8 12. g4 Nc7 13. Kg2 Ne6 14. Ne2 Rb8 15. Rb1 Nc7 16. b3 e6 17. Bb2 Bxb2 18. Rxb2 f5 19. Rb1 Qd7 20. Qf2 Rf7 21. c4 Rbf8 22. Rf1 a5 23. e5 fxg4 24. hxg4 Na6 25. exd6 Qxd6 26. d4 Rd7 27. dxc5 Nxc5 28. Qe3 Qe7 29. Kg3 Rfd8 30. Qe5 Qd6 31. Re3 a4 32. b4 Qxe5 33. Rxe5 Nd3 34. Rxe6 Nxb4 35. Rb1 c5 36. Re5 Nxa2 37. Rxc5 Rd2 38. Re5 Rc2 39. Rb7 Rxc4 40. Ree7 Rc2 41. Nd4 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1993.??.??"]
[Round "9"]
[White "Toloza Caldera, Gaston I"]
[Black "Araya, Ricardo"]
[Result "1/2-1/2"]
[ECO "D58"]
[WhiteElo "2250"]
[BlackElo "2320"]
[PlyCount "74"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. Bd3 Bb7 9. 0-0 Nbd7 10. Qe2 Ne4 11. Bxe7 Qxe7 12. Rac1 c5 13. Rfd1 Rfd8 14. Bb1 Rac8 15. cxd5 exd5 16. dxc5 Nxc3 17. Rxc3 bxc5 18. Bd3 Rb8 19. Ra3 c4 20. Bf5 Qc5 21. Bxd7 Rxd7 22. Nd4 Bc8 23. Rc3 Qb6 24. b3 Ba6 25. Qg4 Rdd8 26. h3 Qf6 27. Rdc1 g6 28. Qg3 Rb7 29. Qf3 Qxf3 30. Nxf3 Rdb8 31. Nd4 Rb6 32. f3 Kg7 33. Kf2 Re8 34. R1c2 h5 35. Rd2 Reb8 36. h4 Kf6 37. Kg3 Kg7 1/2-1/2

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Borg, Leonardo"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "2250"]
[PlyCount "94"]
[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. d4 Nf6 2. e3 d5 3. Bd3 Bg4 4. Ne2 e6 5. Nd2 c5 6. c3 Nc6 7. f3 Bh5 8. Nf4 Bg6 9. Nxg6 hxg6 10. f4 Bd6 11. Qf3 Qb6 12. g3 0-0-0 13. Qg2 Ne7 14. Nf3 Nf5 15. Ng5 Rdf8 16. Be2 Be7 17. Bf3 Ne8 18. Nh3 Ned6 19. Nf2 Nc4 20. Ng4 Rh7 21. Qe2 Rfh8 22. Rg1 Qa5 23. Kf2 Nfd6 24. h4 f6 25. Qc2 Nf5 26. b3 Ncd6 27. Bd2 Qc7 28. Rac1 Kb8 29. Qd3 Rc8 30. Rh1 Rhh8 31. Kg2 Qd7 32. Rhd1 Bd8 33. dxc5 Rxc5 34. c4 e5 35. fxe5 fxe5 36. Nxe5 Qe6 37. Ng4 dxc4 38. bxc4 Rxh4 39. e4 Nxg3 40. Bf4 Bc7 41. Bxd6 Rxg4 42. Bxc7+ Rxc7 43. Bxg4 Qxg4 44. Qxg3 Qe2+ 45. Kg1 Kc8 46. Rf1 Qd2 47. Qh3+ Rd7 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Toloza Caldera, Gaston I"]
[Black "Henriquez Acuna, Julio"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2250"]
[PlyCount "67"]
[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. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 d5 5. Bg5 Be7 6. e3 0-0 7. cxd5 exd5 8. Bd3 Be6 9. 0-0 c5 10. Rc1 Nbd7 11. Bb1 g6 12. Ne5 Nxe5 13. dxe5 Ng4 14. Bf4 f6 15. exf6 Bxf6 16. Bg3 Qd7 17. Qe2 Rad8 18. Rfd1 Rfe8 19. Bd3 Qf7 20. Bb5 Rf8 21. Nxd5 Rxd5 22. Rxd5 Bxd5 23. Qxg4 Bxb2 24. Rc2 Bg7 25. Rd2 Be6 26. Qe4 Qf5 27. Qa4 Qb1+ 28. Bf1 Rc8 29. Rd6 Bxa2 30. Rd7 a5 31. Rxg7+ Kxg7 32. Qd7+ Kh6 33. Qh3+ Kg7 34. Be5+ 1-0

[Event "Santiago ARAIS tt-A"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Toloza Caldera, Gaston I"]
[Black "Varas, Marta"]
[Result "1/2-1/2"]
[ECO "D91"]
[WhiteElo "2250"]
[PlyCount "132"]
[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. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 g6 5. Bg5 Bg7 6. e3 Ne4 7. Bf4 Nd7 8. Bd3 Ndf6 9. 0-0 0-0 10. Qc2 Nxc3 11. bxc3 Nh5 12. Bg5 f5 13. cxd5 cxd5 14. c4 Be6 15. Qb3 Nf6 16. c5 Qc8 17. Rab1 b6 18. cxb6 axb6 19. Qxb6 Bf7 20. Rfc1 Qd8 21. Qb7 Rxa2 22. Rc7 h6 23. Bh4 Qa8 24. Rxe7 Ra1 25. Ne5 Rxb1+ 26. Bxb1 Rb8 27. Qxa8 Rxa8 28. Nxf7 Ra1 29. Rb7 Ne4 30. f3 Nc3 31. Nd6 Rxb1+ 32. Rxb1 Nxb1 33. Nb5 f4 34. Bf2 g5 35. Kf1 Nd2+ 36. Ke2 fxe3 37. Bxe3 Nc4 38. Nc7 Nb6 39. Kd3 Kf7 40. Bd2 Bf8 41. g3 Bd6 42. Nb5 Bb8 43. Ba5 Nd7 44. Bc7 Bxc7 45. Nxc7 Nf6 46. Nb5 Ke6 47. Nc3 h5 48. Ke2 Kf5 49. h4 g4 50. Kf2 Ke6 51. Ke2 gxf3+ 52. Kxf3 Kf5 53. Nd1 Ke6 54. Kf4 Ne4 55. Ne3 Nd2 56. Nf5 Kf6 57. Ne3 Ke6 58. g4 hxg4 59. Kxg4 Nb3 60. Nf5 Kf6 61. h5 Nd2 62. Ne3 Nb3 63. Nc2 Kg7 64. Kg5 Kh7 65. h6 Nd2 66. Ne3 Nf3+ 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.11"]
[Round "17"]
[White "Toloza Caldera, Gaston I"]
[Black "Godoy Bugueno, David A"]
[Result "1/2-1/2"]
[ECO "D07"]
[BlackElo "2350"]
[PlyCount "57"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 Nf6 7. f3 e6 8. e4 Be7 9. Be3 0-0 10. Bd3 b6 11. 0-0 Bb7 12. Rc1 Rc8 13. Ne2 Nd7 14. Qa4 Nc5 15. Qd1 Nxd3 16. Qxd3 c5 17. Rfd1 cxd4 18. Rxc8 Qxc8 19. Nxd4 Rd8 20. Rc1 Qd7 21. Qb5 Bc5 22. Qxd7 Rxd7 23. Nc2 Be7 24. Kf2 Kf8 25. b3 Ke8 26. Nd4 Bc5 27. Ne2 Bd6 28. g3 g6 29. Rc2 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.09"]
[Round "16"]
[White "Scholz Solis, Guillermo"]
[Black "Toloza Caldera, Gaston I"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2375"]
[PlyCount "112"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 Bg7 17. a4 c5 18. d5 c4 19. Qe2 Qe7 20. Ra3 Nc5 21. Rea1 Nfd7 22. Qd1 Nb6 23. axb5 axb5 24. Rxa8 Rxa8 25. Rxa8+ Bxa8 26. Qa1 Bb7 27. Qa3 Bc8 28. Be3 Bd7 29. Nd2 Kh7 30. Nb1 Nd3 31. b4 Qd8 32. Qa6 Nc8 33. Bxd3 cxd3 34. Nf1 f5 35. f3 Bf6 36. Qa5 Bh4 37. g3 Bf6 38. Kh2 Qe7 39. Nfd2 Be8 40. Nb3 Qf7 41. Kg2 Bd7 42. c4 bxc4 43. N3d2 f4 44. Bg1 fxg3 45. Nxc4 Bg5 46. Be3 Bf4 47. Qd8 g5 48. h4 g4 49. Nbd2 gxf3+ 50. Nxf3 Bg4 51. Bxf4 exf4 52. Ncd2 Qa7 53. Kh1 Qf2 54. Qc7+ Kg8 55. Qd8+ Kf7 56. Qc7+ Ne7 0-1

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.08"]
[Round "15"]
[White "Toloza Caldera, Gaston I"]
[Black "Cifuentes Parada, Roberto"]
[Result "1/2-1/2"]
[ECO "A05"]
[BlackElo "2335"]
[PlyCount "95"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 Be7 4. g3 b6 5. Bg2 Bb7 6. 0-0 0-0 7. d3 d5 8. e4 dxe4 9. Ng5 c5 10. Nd2 Nc6 11. dxe4 h6 12. Ngf3 Qc7 13. Qe2 e5 14. c3 a5 15. a4 Ba6 16. Nc4 b5 17. axb5 Bxb5 18. Nfd2 Rfd8 19. Rfd1 a4 20. bxa4 Bxa4 21. Re1 Bb5 22. Rxa8 Rxa8 23. Qd1 Rd8 24. Qc2 h5 25. h4 Ng4 26. Bf1 g6 27. Ra1 Bf8 28. Qb3 Rb8 29. Qc2 Bh6 30. Bc1 Qe7 31. Nf3 Bxc1 32. Qxc1 Qf6 33. Kg2 Kg7 34. Qa3 Qe7 35. Rd1 Rd8 36. Rxd8 Nxd8 37. Nfd2 f5 38. f3 Nf6 39. Qa5 Bxc4 40. Bxc4 Qd6 41. Qa7+ Kh6 42. Nb3 fxe4 43. Qxc5 exf3+ 44. Kxf3 Qd1+ 45. Kg2 Qc2+ 46. Kg1 Qb1+ 47. Kg2 Qe4+ 48. Kg1 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.07"]
[Round "14"]
[White "Silva, Carlos Alessandro"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "87"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4 Rb8 12. axb5 axb5 13. dxe5 dxe5 14. Nxe5 Qxe5 15. Rxa5 Ng4 16. f4 Qh5 17. h3 Bh4 18. Rf1 Bg3 19. f5 Bh2+ 20. Kh1 Bc7 21. Bf4 Bxf4 22. Rxf4 Nf6 23. Qe1 0-0 24. Nd2 Qg5 25. Rh4 h5 26. e5 Re8 27. Nf3 Qh6 28. Qg3 Nd5 29. f6 g6 30. Ng5 Be6 31. Ra7 Ra8 32. Rxa8 Rxa8 33. Kh2 Ra1 34. Be4 Nc7 35. Bf3 Bb3 36. Be2 Ne6 37. Rxh5 gxh5 38. Nxe6+ Kh8 39. Ng5 Be6 40. Nxe6 fxe6 41. Bxh5 Ra4 42. b3 Re4 43. f7 Qf4 44. Bf3 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.05"]
[Round "13"]
[White "Toloza Caldera, Gaston I"]
[Black "Rosa Valenzuela, Fernando"]
[Result "1-0"]
[ECO "A81"]
[PlyCount "82"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 d6 4. d4 g6 5. 0-0 Bg7 6. c3 0-0 7. Qb3+ Kh8 8. Ng5 d5 9. Bf4 h6 10. Nf3 g5 11. Be5 Nc6 12. Na3 Ne4 13. Bxg7+ Kxg7 14. Rad1 b6 15. c4 Bb7 16. cxd5 Na5 17. Qc2 Bxd5 18. b3 Nb7 19. Ne5 Nbd6 20. f3 Nf6 21. Rfe1 e6 22. e4 fxe4 23. fxe4 Bb7 24. Nc6 Qd7 25. e5 Ng4 26. exd6 Rf2 27. Re2 Ne3 28. Rxf2 Nxc2 29. Ne5 Qxd6 30. Nac4 Qb4 31. Bxb7 Rf8 32. Rxc2 Qe7 33. Be4 Rf6 34. Ng4 Rf8 35. Nce5 Qd8 36. Kg2 h5 37. Nf2 c5 38. Rcd2 Qc7 39. Nf3 cxd4 40. Rxd4 Qc5 41. Rc4 Qe7 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.04"]
[Round "12"]
[White "Jimenez Rojas, Hector"]
[Black "Toloza Caldera, Gaston I"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "110"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 g6 6. 0-0 Bg7 7. d4 0-0 8. d5 Ne5 9. Nbd2 e6 10. dxe6 Bxe6 11. Ng5 Bc8 12. h3 h6 13. Ngf3 Be6 14. Re1 Nxf3+ 15. Bxf3 d5 16. exd5 Bxd5 17. Nb3 b6 18. Bf4 Qd7 19. Be5 Rad8 20. Bxd5 Nxd5 21. Bxg7 Kxg7 22. Qf3 Qc7 23. g3 Rd7 24. Re2 f5 25. Rd2 Rfd8 26. Rad1 Nf6 27. Rxd7+ Rxd7 28. Rxd7+ Qxd7 29. Qe2 Ne4 30. f3 Ng5 31. h4 Nf7 32. Nc1 Qd6 33. Kg2 Ne5 34. b3 Kf6 35. Kf2 g5 36. hxg5+ hxg5 37. Ke1 c4 38. bxc4 Qc5 39. Kf1 Qc6 40. Kf2 Qc5+ 41. Qe3 Qxc4 42. Nb3 Nd3+ 43. Ke2 Nc5+ 44. Kd2 Ne6 45. Qf2 Qd5+ 46. Kc2 Qd6 47. Qh2 Kg6 48. Qe2 a5 49. g4 Kf6 50. gxf5 Kxf5 51. Qe4+ Kf6 52. Nd4 Qh2+ 53. Kb1 Qg1+ 54. Kb2 Qh2+ 55. Kb1 Qh1+ 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.03"]
[Round "11"]
[White "Toloza Caldera, Gaston I"]
[Black "Velasquez Ojeda, Cesar"]
[Result "0-1"]
[ECO "A06"]
[BlackElo "2310"]
[PlyCount "48"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. e3 e6 4. Bb2 Nf6 5. Be2 Be7 6. 0-0 0-0 7. d4 Nc6 8. Nbd2 cxd4 9. exd4 b6 10. a3 Ne4 11. Bd3 f5 12. c4 a5 13. Rc1 Bd7 14. Qe2 Rf6 15. Rfd1 Qf8 16. Nb1 Rh6 17. Rc2 g5 18. cxd5 exd5 19. Rdc1 g4 20. Nfd2 Bg5 21. Bxe4 fxe4 22. Qb5 Qd6 23. g3 Nxd4 24. Nxe4 Nf3+ 0-1

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.10.01"]
[Round "10"]
[White "Araoz, Hernan"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "A12"]
[PlyCount "101"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 h6 4. 0-0 Bf5 5. d3 e6 6. b3 Nbd7 7. Bb2 c6 8. c4 Bc5 9. Nc3 0-0 10. Qc2 Bh7 11. e4 dxe4 12. Nxe4 Nxe4 13. dxe4 Nf6 14. Ne5 Qb6 15. Rad1 Rfd8 16. Qe2 Bd4 17. Nd3 Bxb2 18. Nxb2 Qa5 19. Na4 Bg6 20. h3 e5 21. Bf3 Rd4 22. Rxd4 exd4 23. Rd1 Nxe4 24. Rxd4 Re8 25. c5 Nf6 26. Qd2 Qc7 27. Nc3 Re5 28. b4 Qe7 29. Kg2 Kh7 30. Qf4 Rf5 31. Qd2 a5 32. a3 axb4 33. axb4 Qe6 34. Qa2 Qe1 35. Qd2 Qa1 36. Qe3 Nd5 37. Nxd5 cxd5 38. Bxd5 Rf6 39. Be4 Qb2 40. Bxg6+ fxg6 41. Rf4 Ra6 42. Qe8 Rf6 43. Rxf6 Qxf6 44. Qd7 Qa6 45. b5 Qa3 46. Qxb7 Qxc5 47. Qc6 Qb4 48. b6 Qb2 49. b7 Qb1 50. Qc7 Qe4+ 51. Kh2 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.30"]
[Round "9"]
[White "Toloza Caldera, Gaston I"]
[Black "Wachtendorff, Fernando"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "2210"]
[PlyCount "58"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. b3 Bg7 4. Bb2 Nf6 5. Nbd2 Nbd7 6. e3 0-0 7. Be2 e5 8. dxe5 Ng4 9. Nc4 Ngxe5 10. Nfxe5 Nxe5 11. Nxe5 dxe5 12. 0-0 Qe7 13. Qc1 Rd8 14. c4 Be6 15. Qc3 f6 16. Rad1 c6 17. Qa5 b6 18. Qc3 f5 19. Qc2 c5 20. Bc3 Rxd1 21. Rxd1 Rd8 22. Rxd8+ Qxd8 23. Qb2 Qc7 24. Qd2 Qd7 25. Qb2 Qc7 26. h3 e4 27. Bxg7 Qxg7 28. Qd2 Qd7 29. Qc3 Qg7 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.29"]
[Round "8"]
[White "Campos Moreno, Javier B"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "A74"]
[WhiteElo "2305"]
[PlyCount "63"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Nbd7 8. e4 a6 9. a4 Bg7 10. Be2 0-0 11. 0-0 Ne5 12. f4 Neg4 13. Nc4 Re8 14. h3 Nxe4 15. Bxg4 Ng3 16. Re1 Bxg4 17. Rxe8+ Qxe8 18. hxg4 Qe7 19. g5 h6 20. Bd2 hxg5 21. Qe1 Bd4+ 22. Kh2 Nf1+ 23. Qxf1 Kg7 24. g3 Rh8+ 25. Kg2 g4 26. Qe2 Qd7 27. Rh1 Re8 28. Qd3 b5 29. Ne3 b4 30. Ne2 Bxb2 31. f5 Bf6 32. Nxg4 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.27"]
[Round "7"]
[White "Toloza Caldera, Gaston I"]
[Black "Vidal Torres, Ricardo"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "113"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d6 3. d4 g6 4. Bb2 Bg7 5. g3 0-0 6. Bg2 c5 7. e3 Bg4 8. h3 Bxf3 9. Bxf3 Nc6 10. 0-0 Nd7 11. c3 Qc7 12. Na3 a6 13. Nc2 Nb6 14. Bg2 c4 15. e4 e5 16. f4 f5 17. fxe5 dxe5 18. d5 Na7 19. exf5 Nb5 20. fxg6 Rxf1+ 21. Qxf1 hxg6 22. Qe1 e4 23. Qxe4 cxb3 24. Qxg6 bxc2 25. Be4 Nd7 26. c4 Qb6+ 27. Qxb6 Nxb6 28. Bxg7 Nd6 29. Bxc2 Kxg7 30. c5 Rc8 31. cxd6 Rxc2 32. Rb1 Rxa2 33. Rxb6 Rd2 34. Rxb7+ Kf6 35. Ra7 Rxd5 36. Rxa6 Rd2 37. Ra4 Rxd6 38. Kg2 Rd3 39. h4 Kg6 40. Kh3 Kh6 41. Kg4 Kg6 42. h5+ Kh6 43. Ra6+ Kg7 44. Kh4 Rd5 45. g4 Rd4 46. h6+ Kh7 47. Kh5 Rd5+ 48. g5 Rc5 49. Ra7+ Kh8 50. Re7 Rf5 51. Kg4 Rf8 52. g6 Ra8 53. Kg5 Rb8 54. Kf6 Ra8 55. Rd7 Re8 56. Kf7 Rf8+ 57. Ke7 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.26"]
[Round "6"]
[White "Zamora, Carlos"]
[Black "Toloza Caldera, Gaston I"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "72"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qd8 6. Bb5 Bd7 7. 0-0 e6 8. d3 Nf6 9. Ne5 Be7 10. Bxc6 Bxc6 11. Nxc6 bxc6 12. Qf3 Qd7 13. b3 0-0 14. Bb2 Rfe8 15. Rae1 Bf8 16. Ne4 Nxe4 17. Rxe4 a5 18. a4 Reb8 19. Bc3 g6 20. Qe3 Qd5 21. Re5 Qd7 22. f5 exf5 23. Rexf5 Re8 24. Qg5 Bg7 25. Bxg7 Kxg7 26. Qf6+ Kg8 27. Rxc5 Re6 28. Qc3 Rae8 29. h3 Qd6 30. Rxa5 Qg3 31. Qc4 Re1 32. Qxf7+ Kh8 33. Qf2 Rxf1+ 34. Kxf1 Qh2 35. Qd4+ Kg8 36. Qc4+ Kh8 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.25"]
[Round "5"]
[White "Toloza Caldera, Gaston I"]
[Black "Araya, Ricardo"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "83"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Nbd7 7. Nbd2 c5 8. e3 Rb8 9. 0-0 b5 10. a4 b4 11. dxc5 Nxc5 12. Nd4 Bb7 13. Bxb7 Rxb7 14. Qe2 Qc8 15. e4 e5 16. N4f3 Rc7 17. Ne1 Qb7 18. f3 a5 19. Kg2 Rc6 20. Nc4 Qc7 21. Nd3 Ncd7 22. c3 d5 23. exd5 Nxd5 24. cxb4 N7b6 25. b5 Nxc4 26. bxc4 Rxc4 27. Rfc1 Nb6 28. Nxe5 Rxc1 29. Rxc1 Qe7 30. Qe4 Re8 31. Re1 Qd6 32. Qd4 Qxd4 33. Bxd4 Nxa4 34. f4 f6 35. Nf3 Rxe1 36. Nxe1 f5 37. Be3 Bf8 38. b6 Bd6 39. b7 Bb8 40. Bd2 Nc5 41. Bxa5 Nxb7 42. Bc3 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.23"]
[Round "4"]
[White "Salazar Jacob, Hernan"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2315"]
[PlyCount "47"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Nc3 a6 6. Bd3 g6 7. Be3 Bg7 8. Nd5 e6 9. Nxe6 fxe6 10. Bxb6 Qg5 11. Nc7+ Kf7 12. 0-0 Nf6 13. f4 Qh4 14. Qe2 Nc6 15. Bc4 Nd4 16. Qd3 Bxe4 17. Qxd4 d5 18. Qe5 Qg4 19. Rf2 Nd7 20. Qd6 Nxb6 21. Be2 Qf5 22. Qxb6 Rab8 23. Qa7 d4 24. Nd5+ 1-0

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.22"]
[Round "3"]
[White "Berroeta, Juan"]
[Black "Toloza Caldera, Gaston I"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "50"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 b6 3. Bc4 e6 4. Nf3 Bb7 5. 0-0 a6 6. a4 d5 7. exd5 exd5 8. Ba2 Be7 9. d4 Nf6 10. Ne2 0-0 11. Ng3 Ne4 12. Bf4 Nxg3 13. Bxg3 Nd7 14. c3 Nf6 15. Bh4 c4 16. Ne5 Ne4 17. Bxe7 Qxe7 18. f3 Nd6 19. Qd2 Rfe8 20. Rae1 Qh4 21. Bb1 Rad8 22. g3 Qh5 23. Qf4 Re6 24. Ng4 Rde8 25. Re5 Rxe5 1/2-1/2

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "1980.09.21"]
[Round "2"]
[White "Toloza Caldera, Gaston I"]
[Black "Abarca Aguirre, Manuel"]
[Result "1/2-1/2"]
[ECO "A06"]
[BlackElo "2220"]
[PlyCount "134"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bg4 3. Ne5 Bh5 4. g4 Bg6 5. Nxg6 hxg6 6. Bg2 e6 7. Bb2 Nf6 8. e3 Bd6 9. h3 c6 10. d3 Nbd7 11. Nd2 Qe7 12. a4 Be5 13. Bxe5 Nxe5 14. a5 g5 15. 0-0 Ng6 16. Nf3 Nd7 17. a6 b6 18. Nd4 Qd6 19. Qd2 0-0-0 20. c4 Kb8 21. b4 Ka8 22. Rfc1 Ne7 23. cxd5 exd5 24. e4 Nf6 25. exd5 Nfxd5 26. Qxg5 Rhe8 27. Nxc6 Nxc6 28. Bxd5 Qxd5 29. Qxd5 Rxd5 30. Rxc6 Rde5 31. Rc7 R5e7 32. Rxe7 Rxe7 33. Kf1 Kb8 34. Re1 Rd7 35. Re8+ Kc7 36. Ke2 b5 37. Ke3 Kb6 38. d4 Kxa6 39. Ke4 Kb6 40. d5 Rb7 41. Ke5 a5 42. bxa5+ Kxa5 43. Kd6 Kb6 44. h4 b4 45. h5 b3 46. Re1 b2 47. Rb1 Ka7 48. g5 Kb8 49. h6 gxh6 50. gxh6 f5 51. Ke5 Kc8 52. Kf6 f4 53. Kg6 Rb6+ 54. Kg7 Rd6 55. h7 Rd7+ 56. Kg6 Rd6+ 57. Kg5 Rxd5+ 58. Kxf4 Rh5 59. Rxb2 Rxh7 60. Rb5 Rh2 61. f3 Kd7 62. Re5 Rh8 63. Ke4 Rf8 64. f4 Re8 65. Kf3 Rxe5 66. fxe5 Ke6 67. Ke4 Ke7 1/2-1/2

[Event "CHI-ch+"]
[Site "Santiago de Chile"]
[Date "1980.09.20"]
[Round "1"]
[White "Araya, Mario"]
[Black "Toloza Caldera, Gaston I"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "77"]
[EventDate "1980.09.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CHI"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Nc3 Ngxe5 6. Nxe5 Nxe5 7. e3 g6 8. Be2 Bg7 9. 0-0 0-0 10. e4 d6 11. Bd2 f5 12. exf5 Bxf5 13. Be3 Qd7 14. Qd2 Rae8 15. Rad1 Qf7 16. b3 Kh8 17. c5 Rd8 18. Qc1 dxc5 19. Bxc5 Rfe8 20. Rxd8 Rxd8 21. Rd1 Re8 22. h3 h6 23. Bf1 Kh7 24. Be3 Bd7 25. Nb5 Bc6 26. Nxa7 Be4 27. Nb5 Nf3+ 28. Kh1 Qf5 29. Qxc7 Ne5 30. Kg1 Rc8 31. Qe7 Qh5 32. Rd4 Bc6 33. Nd6 Rf8 34. Rh4 Nf3+ 35. gxf3 Qxf3 36. Rxh6+ Kg8 37. Qe6+ Rf7 38. Qxf7+ Qxf7 39. Nxf7 1-0

