[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.10"]
[Round "7.1"]
[White "Donoso Diaz, Sebastian"]
[Black "Aguirre Adaros, Joaquin Antonio"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2172"]
[BlackElo "1910"]
[PlyCount "96"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "PUC"]
[BlackTeam "USM (V)"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. d4 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. b3 e5 9. cxd5 cxd5 10. Nb5 Bb8 11. dxe5 Nxe5 12. Bb2 Nxd3 13. Qxd3 Be6 14. Rfd1 a6 15. Nbd4 Ne4 16. Ne2 Re8 17. Rac1 f6 18. Nc3 Nxc3 19. Bxc3 Qe7 20. Ba5 Bf7 21. h3 Bd6 22. Nd4 Qe5 23. Nf3 Qe7 24. Bb6 Rac8 25. Kf1 Ba3 26. Rc2 Kh8 27. Nh4 Qe6 28. Rxc8 Rxc8 29. Bd4 Qe4 30. Qxe4 dxe4 31. Nf5 Be6 32. Ng3 Kg8 33. Nxe4 Rc2 34. g4 h5 35. Ba1 hxg4 36. h4 Kf7 37. Kg2 Rxa2 38. Kg3 b5 39. Bc3 Be7 40. h5 Rc2 41. Be1 Bxb3 42. Rd7 Ke6 43. Ra7 Rc6 44. Nd2 Bc2 45. Kxg4 b4 46. f4 Bd1+ 47. Kg3 Bxh5 48. f5+ Kf7 1/2-1/2

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.09"]
[Round "5.1"]
[White "Donoso Diaz, Sebastian"]
[Black "Riquelme Cifuentes, Esteban"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2172"]
[BlackElo "1699"]
[PlyCount "51"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "PUC"]
[BlackTeam "UACH"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 Nbd7 8. Nf3 Qe7 9. g4 Nc5 10. Nd2 a5 11. Be2 Nfd7 12. h4 f5 13. exf5 gxf5 14. gxf5 Rxf5 15. h5 h6 16. Rg1 Kh8 17. Qc2 Nf6 18. 0-0-0 Bd7 19. Rg6 Qf8 20. Rdg1 Ne8 21. Nde4 Rf7 22. Bg4 Bxg4 23. R6xg4 Rf5 24. Rxg7 Nxg7 25. Bxh6 Rf7 26. Ng5 1-0

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.09"]
[Round "6.1"]
[White "Quijada Cabalin, Jonathan"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1837"]
[BlackElo "2172"]
[PlyCount "45"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "UBB"]
[BlackTeam "PUC"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 Re8 7. 0-0-0 Nc6 8. g4 e5 9. d5 Ne7 10. h4 a6 11. h5 b5 12. Nge2 Bd7 13. Ng3 Bc8 14. Qh2 Bxg4 15. fxg4 Nxg4 16. Qd2 b4 17. Na4 Qd7 18. b3 f5 19. Bh3 Nxe3 20. Qxe3 Rf8 21. h6 Bh8 22. exf5 gxf5 23. Qg5+ 0-1

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.08"]
[Round "4.1"]
[White "Aravena Navarro, Alexis Andres"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2083"]
[BlackElo "2172"]
[PlyCount "68"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "USACH"]
[BlackTeam "PUC"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Nge2 Ne5 9. Qg3 Nh5 10. Qh3 g6 11. g4 d5 12. f3 c6 13. exd5 Qa5 14. Qh4 Nxf3 15. Qh3 Ne5 16. Rg1 Nf6 17. Kb1 Nfxg4 18. Qg3 Nc4 19. Bc1 Bf5 20. Nd4 Na3+ 21. bxa3 Bxc3 22. Nb3 Qb6 23. Bd3 Be5 24. Qg2 Bxd3 25. Rxd3 Nf6 26. dxc6 bxc6 27. Bb2 Nd5 28. Bxe5 Rxe5 29. Qg3 Rae8 30. h4 Qa6 31. Kb2 Nb6 32. Nd2 Na4+ 33. Kc1 Qb6 34. Rb3 Qxg1+ 0-1

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.08"]
[Round "3.1"]
[White "Barriga Silva, Felipe"]
[Black "Donoso Diaz, Sebastian"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2244"]
[BlackElo "2172"]
[PlyCount "157"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "UCH"]
[BlackTeam "PUC"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. Nf3 c5 2. e4 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 e6 6. Re1 Bb4 7. c3 Bc5 8. b4 Bd6 9. e5 Bb8 10. Qg4 Ne7 11. cxd4 Qb6 12. Nc3 a6 13. Bd3 h5 14. Qf4 Qxb4 15. a4 Nc6 16. Re4 f5 17. Ba3 Qa5 18. Ree1 Qd8 19. h4 Ne7 20. Qg5 Kf7 21. Bc4 d5 22. exd6 Bxd6 23. d5 e5 24. Rxe5 Bxe5 25. d6+ Be6 26. dxe7 Qc8 27. Qxf5+ Bf6 28. Bxe6+ Qxe6 29. Qxe6+ Kxe6 30. Re1+ Kf7 31. Nd5 Rac8 32. Rb1 b5 33. axb5 axb5 34. Nxf6 gxf6 35. Rxb5 Ra8 36. Bd6 Ra6 37. Bc5 Ra1+ 38. Kh2 Ra2 39. Rb7 Rxd2 40. e8Q+ Kxe8 41. Re7+ Kd8 42. Rf7 Rc2 43. Bb6+ Ke8 44. Rxf6 Ke7 45. Rf5 Rh7 46. Be3 Ke6 47. Ra5 Rc4 48. g3 Re4 49. Kg2 Re5 50. Ra6+ Kf5 51. Kf3 Rb5 52. Rc6 Rd5 53. Rb6 Ra5 54. Rb8 Rf7 55. Rg8 Ke5+ 56. Kg2 Ke4 57. Bg5 Ra2 58. Re8+ Kd3 59. Be3 Rf5 60. Bf4 Re2 61. Ra8 Rc2 62. Kf3 Rc3 63. Rd8+ Kc2+ 64. Ke4 Rb5 65. Rd2+ Kb3 66. Be5 Rb4+ 67. Rd4 Rb5 68. Bf4 Kc2 69. Rd2+ Kb3 70. Rd5 Rb4+ 71. Ke5 Rf3 72. Rd2 Kc3 73. Re2 Kd3 74. Rd2+ Kc3 75. Ra2 Kb3 76. Re2 Kc4 77. Kf6 Kd4 78. Kg6 Rb5 79. Re6 1/2-1/2

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.07"]
[Round "2.1"]
[White "Donoso Diaz, Sebastian"]
[Black "Reyes Toledo, Ignacio"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2172"]
[BlackElo "1141"]
[PlyCount "73"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "PUC"]
[BlackTeam "PUCV"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. Nf3 c5 2. e3 g6 3. c4 Bg7 4. Nc3 Nc6 5. d4 cxd4 6. exd4 d6 7. d5 Ne5 8. Nxe5 Bxe5 9. Bd3 Bg7 10. 0-0 Nf6 11. Re1 0-0 12. Bg5 h6 13. Bf4 a6 14. Qd2 Kh7 15. h4 Nd7 16. h5 Ne5 17. Bb1 Nxc4 18. Qd3 Ne5 19. Rxe5 dxe5 20. hxg6+ Kg8 21. Bxe5 f6 22. Bf4 e5 23. Bxh6 f5 24. Bd2 Qd6 25. a4 Qxg6 26. Ra3 Rf7 27. Ne2 Bf8 28. Rb3 Rh7 29. Ng3 Rf7 30. a5 b5 31. axb6 Rb8 32. Qc4 Qd6 33. Nxf5 Qc5 34. Rg3+ Kh8 35. Qh4+ Rh7 36. Qxh7+ Kxh7 37. Ne7+ 1-0

[Event "CHI-chT"]
[Site "Chile"]
[Date "2023.11.07"]
[Round "1.1"]
[White "Zamora Parada, Cristobal"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1412"]
[BlackElo "2172"]
[PlyCount "42"]
[EventDate "2023.11.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]
[WhiteTeam "UTEM"]
[BlackTeam "PUC"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 e6 6. Bc4 Be7 7. Qe2 0-0 8. d3 Nbd7 9. 0-0 b5 10. Bb3 Nc5 11. d4 Nxb3 12. axb3 Bb7 13. Rb1 a6 14. c4 h6 15. Bf4 Rc8 16. h3 Qb6 17. c5 Qd8 18. Bd2 Qd5 19. b4 Bd8 20. Ne5 Bc7 21. Bc3 Rce8 0-1

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.27"]
[Round "11"]
[White "Donoso Diaz, Sebastian"]
[Black "Olivares Olivares, Claudio"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2212"]
[BlackElo "2380"]
[PlyCount "113"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 c5 7. d5 e6 8. Bd3 exd5 9. exd5 Na6 10. a3 Nc7 11. a4 Na6 12. Nf3 Nb4 13. Bb1 a6 14. 0-0 Re8 15. Qd2 Bd7 16. Bg5 Qc8 17. Bxf6 Bxf6 18. Ne4 Be7 19. Qh6 f6 20. Neg5 fxg5 21. Bxg6 hxg6 22. Qxg6+ Kh8 23. Nxg5 Bxg5 24. Qh5+ Kg7 25. Qxg5+ Kf7 26. Qh5+ Ke7 27. Qg5+ Kf7 28. Ra3 Re5 29. Rf3+ Bf5 30. Qh5+ Ke7 31. Qg5+ Kf7 32. Rc1 Qd7 33. Qh5+ Ke7 34. Qh4+ Kf7 35. Qh7+ Ke8 36. Qg8+ Ke7 37. Qxa8 Qc8 38. Qxc8 Bxc8 39. g4 Bd7 40. Rcc3 Bxa4 41. b3 Bd7 42. Rf4 b5 43. h4 Be8 44. h5 a5 45. Rh3 a4 46. bxa4 bxc4 47. h6 Nxd5 48. Rxc4 Nf6 49. h7 Nxh7 50. Rxh7+ Ke6 51. f4 Re1+ 52. Kf2 Ra1 53. Re4+ Kd5 54. Rxe8 Rxa4 55. Kf3 c4 56. Rc7 Ra3+ 57. Re3 1-0

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.26"]
[Round "10"]
[White "Palma Neira, Eliseo Maximiliano"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2029"]
[BlackElo "2212"]
[PlyCount "86"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4 a6 10. Bxc6+ bxc6 11. a5 Ba7 12. Bb2 Nf6 13. Bxd4 Nxe4 14. Bxa7 Qxd1 15. Rxd1 Rxa7 16. Ne5 Bd5 17. f3 Nd6 18. Nc3 f6 19. Nd3 0-0 20. Nxd5 cxd5 21. Rac1 Nc4 22. Re1 Kf7 23. Re2 Rb8 24. Rce1 c6 25. Re6 Rc8 26. f4 Nd2 27. f5 g6 28. fxg6+ hxg6 29. R6e2 Ne4 30. Rc2 Rb7 31. Rec1 Rbc7 32. Nf4 d4 33. Nd3 Nc3 34. Nc5 Re7 35. Kf2 Rce8 36. Nxa6 d3 37. Rxc3 Re2+ 38. Kf3 R8e3+ 39. Kg4 d2 40. Rxc6 dxc1Q 41. Rxc1 g5 42. g3 Kg6 43. Rc6 Re4+ 0-1

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.25"]
[Round "9"]
[White "Barriga Silva, Felipe"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2162"]
[BlackElo "2212"]
[PlyCount "60"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. f4 b4 9. Nd1 e6 10. Nf3 Nge7 11. 0-0 0-0 12. d4 cxd4 13. Nxd4 Ba6 14. Re1 e5 15. Nf3 f5 16. Ng5 Qd7 17. exf5 gxf5 18. fxe5 Nxe5 19. Bd4 N7c6 20. Bxe5 Nxe5 21. Bd5+ Kh8 22. Qg2 Bf6 23. Ne6 Rfe8 24. Nd4 Ng4 25. Rxe8+ Rxe8 26. Qd2 Qg7 27. c3 Bg5 28. Qc2 Re1+ 29. Kg2 Rxd1 30. Nxf5 Rxd5 0-1

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.24"]
[Round "8"]
[White "Donoso Diaz, Sebastian"]
[Black "Bahamondes Ortiz, Benjamin"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2212"]
[BlackElo "2164"]
[PlyCount "102"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. 0-0 e5 7. Nb3 Nc6 8. Bg5 Be6 9. Nc3 d4 10. Ne4 Be7 11. Nec5 Bxb3 12. Nxb7 Qb6 13. cxb3 Qxb7 14. Rc1 Rc8 15. Qc2 0-0 16. Bxc6 Qa6 17. Qc4 Qxa2 18. Ra1 Qxb2 19. Rxa7 Bd6 20. Bxf6 gxf6 21. Rd7 Bb4 22. Rb7 Bc3 23. b4 Bxb4 24. Rxb4 Rxc6 25. Qxc6 Qxb4 26. Qxf6 Re8 27. Qg5+ Kh8 28. Rc1 Qe7 29. Qf5 Qe6 30. Qe4 Qg6 31. Qb7 Kg7 32. Rc7 Qf5 33. Qd5 Qe6 34. Qe4 Qg6 35. Qb7 Qf5 36. h3 Re6 37. Qc8 Qxh3 38. Re7 Qf5 39. Rxe6 Qxe6 40. Qd8 Qf6 41. Qd7 h6 42. Qd5 Qg5 43. Kg2 Qf5 44. Kg1 Qe6 45. Qe4 f5 46. Qb7+ Kg6 47. Qb8 e4 48. Qd8 Qf6 49. Qg8+ Qg7 50. Qe8+ Kh7 51. Qc8 Qf6 1/2-1/2

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.23"]
[Round "7"]
[White "Salinas Herrera, Pablo Patricio"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2517"]
[BlackElo "2212"]
[PlyCount "49"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 e6 7. Nf3 Bd6 8. 0-0 Nge7 9. Re1 Bd7 10. a4 a6 11. Nbd2 f6 12. c4 Nb4 13. Bf1 0-0 14. b3 Rac8 15. Ba3 a5 16. Nb1 b6 17. Nc3 e5 18. c5 bxc5 19. dxe5 fxe5 20. Bxb4 Rxf3 21. Qxf3 Bc6 22. Ba3 Rf8 23. Qd1 e4 24. Ra2 Rf6 25. Nb5 1-0

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.22"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Lopez Silva, Hugo Andres"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2212"]
[BlackElo "2407"]
[PlyCount "50"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. e3 0-0 9. h3 Na6 10. Be2 Nc7 11. 0-0 Re8 12. a4 a6 13. a5 Rb8 14. Bh2 b5 15. axb6 Rxb6 16. Nd2 Bf8 17. Ra2 Rb4 18. Bf3 Bd7 19. Re1 Qb8 20. Qc2 Qb7 21. Nde4 Nxe4 22. Nxe4 Rbxe4 23. Bxe4 Qb4 24. Rd1 Rxe4 25. Ra3 Ba4 0-1

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.21"]
[Round "5"]
[White "Vasquez Toledo, Cristian"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2154"]
[BlackElo "2212"]
[PlyCount "99"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Re1 Bg4 9. Nbd2 Nf4 10. Ne4 Na5 11. Bxf4 Nxc4 12. Bc1 f5 13. Qb3 Qxd3 14. Nxe5 Qd5 15. Qxc4 Qxc4 16. Nxc4 fxe4 17. Rxe4 Bc5 18. Rxg4 Bxf2+ 19. Kh1 b5 20. Bh6 bxc4 21. Bxg7 h5 22. Rg5 Be3 23. Rg3 Bf4 24. Bxf8+ Bxg3 25. Bc5 Bd6 26. Bxd6 cxd6 27. Re1 Rb8 28. Re2 Kf7 29. Kg1 Rb5 30. Kf2 Kf6 31. Ke3 Re5+ 32. Kd2 Rd5+ 33. Kc2 Ra5 34. Kb1 Rb5 35. g3 Kg5 36. Re4 d5 37. Re5+ Kg4 38. Kc2 h4 39. gxh4 Kxh4 40. b4 cxb3+ 41. axb3 a6 42. Re6 a5 43. Re5 Kg4 44. c4 Rb4 45. Rxd5 a4 46. Rb5 axb3+ 47. Kc3 Ra4 48. Kxb3 Ra1 49. Re5 Kf4 50. Re2 1-0

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.20"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Diaz Villagran, Robert"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2212"]
[BlackElo "2318"]
[PlyCount "71"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Na6 7. Be2 e5 8. d5 Nc5 9. Qc2 c6 10. g4 cxd5 11. cxd5 Bd7 12. b4 Na6 13. a3 Ne8 14. Bd3 f5 15. gxf5 gxf5 16. exf5 e4 17. Bxe4 Rc8 18. Nge2 Qe7 19. Rg1 Kh8 20. Rxg7 Qxg7 21. Kd2 Nf6 22. Bd3 Nc7 23. Rg1 Qe7 24. Qb2 Rg8 25. Re1 Qg7 26. Rg1 Qe7 27. Bd4 Rcf8 28. Ne4 Nce8 29. N2g3 Rg7 30. Re1 Qf7 31. Nxf6 Nxf6 32. Ne4 Nxe4+ 33. Rxe4 h5 34. f6 Rg2 35. Re7 Qxd5 36. f7+ 1-0

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.19"]
[Round "3"]
[White "Diaz Vasquez, Martin"]
[Black "Donoso Diaz, Sebastian"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2253"]
[BlackElo "2212"]
[PlyCount "33"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d6 3. c4 e5 4. e3 b5 5. cxb5 e4 6. Ng1 Bb7 7. Bb2 Nd7 8. d4 exd3 9. Qxd3 Ngf6 10. Nf3 d5 11. Qc2 Rc8 12. Be2 d4 13. exd4 cxd4 14. Qd3 Be4 15. Qxd4 Rc2 16. b4 Qe7 17. Kd1 1/2-1/2

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.19"]
[Round "2"]
[White "Donoso Diaz, Sebastian"]
[Black "Vergara Rozas, Jose Francisco"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2212"]
[BlackElo "2044"]
[PlyCount "103"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Nf3 Nbd7 11. Kg2 Qb6 12. a4 0-0 13. Rb1 Qb4 14. Qc2 c4 15. Nd4 Nc5 16. Nc6 Qb7 17. Be3 Nb3 18. Qe2 Na5 19. Nxa5 Rxa5 20. Qxc4 e6 21. dxe6 d5 22. exf7+ Rxf7 23. Qe2 Nxe4 24. Nxe4 dxe4 25. b3 Raf5 26. Rhf1 Rh5 27. Qg4 Rhf5 28. b4 Qd7 29. Qxe4 Qxa4 30. Rfc1 Qa2 31. Rc2 Qa4 32. Rc8+ Bf8 33. Qe6 R5f6 34. Rxf8+ Kxf8 35. Bh6+ Kg8 36. Qc8+ Rf8 37. Bxf8 Rxf8 38. Qe6+ Kg7 39. Rc1 Qa7 40. Qe5+ Kg8 41. Qd5+ Kg7 42. Rc2 Rf5 43. Qc6 Kh6 44. b5 Qd4 45. Re2 Qd3 46. Rb2 Rd5 47. Qc1+ Kg7 48. Qe3 Qf5 49. Qe7+ Kh6 50. Rb4 g5 51. Re4 g4 52. Re6+ 1-0

[Event "CHI-ch"]
[Site "Las Condes"]
[Date "2022.02.18"]
[Round "1"]
[White "Aguirre Contreras, Cristian Rodrigo"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2261"]
[BlackElo "2212"]
[PlyCount "51"]
[EventDate "2022.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Bd3 0-0 8. Ne2 Qc7 9. c3 Be6 10. Qc2 h5 11. Ng3 c5 12. dxc5 Bxc5 13. Nxh5 Bxe3 14. fxe3 Nd7 15. 0-0 Nc5 16. Bf5 Qe5 17. Rae1 Rfd8 18. Ng3 Bc4 19. Bh7+ Kf8 20. Rf5 Qe7 21. Rh5 Qd6 22. Be4 Be6 23. Bf3 Qd3 24. Qf2 Rac8 25. e4 g6 26. Rxc5 1-0

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "5"]
[White "Aravena Navarro, Alexis Andres"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1937"]
[BlackElo "2192"]
[PlyCount "129"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Na6 8. c3 h5 9. g3 h4 10. Nxh4 Rxh4 11. gxh4 e6 12. Bg2 Bd6 13. h5 Qc7 14. Be3 0-0-0 15. 0-0-0 Qa5 16. Qc4 Nc7 17. h4 Bh7 18. h6 Qf5 19. Qb3 a5 20. a4 Na6 21. Bf1 Nc5 22. dxc5 Qb1+ 23. Kd2 Bf4+ 24. Ke1 Rxd1+ 25. Qxd1 Qe4 26. Rh3 Bf5 27. Rf3 Bxe3 28. Rxe3 Qxh4 29. Rg3 Qe4+ 30. Be2 Qh1+ 31. Kd2 Qxh6+ 32. Ke1 Bh7 33. Qd6 Qc1+ 34. Bd1 Qxb2 35. Rh3 Qb1 36. Qf8+ Kc7 37. Qd6+ Kc8 38. Re3 Qg6 39. Kd2 Qh6 40. Bb3 Qh4 41. Bxe6+ fxe6 42. Qxe6+ Kb8 43. Qd6+ Ka7 44. Qc7 Qxf2+ 45. Re2 Qxc5 46. Qxh7 Qd5+ 47. Qd3 Qa2+ 48. Ke3 Qe6+ 49. Qe4 Qh3+ 50. Kd2 c5 51. Kc2 Qd7 52. Rd2 Qc7 53. Qe6 Qf4 54. Qd6 Qxa4+ 55. Kd3 Qb5+ 56. Ke3 Qc4 57. Qd5 Qxc3+ 58. Rd3 Qe1+ 59. Kf4 Qf2+ 60. Rf3 Qh2+ 61. Kf5 Qh5+ 62. Ke6 Qg4+ 63. Kxf6 c4 64. Qxa5+ Kb8 65. Qd8+ 1-0

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "1"]
[White "Contreras Suazo, Rocio Antonella"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1695"]
[BlackElo "2192"]
[PlyCount "52"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. f4 c5 7. c3 cxd4 8. cxd4 Nc6 9. Nf3 Rc8 10. a3 Nge7 11. 0-0 Nf5 12. Be3 Nxe3 13. Qxe3 Be7 14. Nc3 0-0 15. Kh1 a6 16. g4 Na5 17. f5 Nc4 18. Qf2 Qb6 19. Rab1 f6 20. exf6 Bxf6 21. fxe6 Qxe6 22. h3 Qd6 23. Rfe1 Bh4 24. Qxh4 Rxf3 25. Qg5 Rxh3+ 26. Kg1 Qg3+ 0-1

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Caurapan Montero, Eduardo Ignacio"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2192"]
[BlackElo "1795"]
[PlyCount "64"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 Nb6 9. g4 c6 10. Be2 cxd5 11. cxd5 Bd7 12. Nd2 Rc8 13. Qb3 Be8 14. Nb5 Bxb5 15. Bxb5 Nfd7 16. Bxd7 Nxd7 17. Qxb7 Rb8 18. Qxa7 Rxb2 19. g5 f5 20. f3 fxe4 21. fxe4 Nc5 22. Bxc5 dxc5 23. 0-0-0 Rb8 24. Qa4 Rb4 25. Qc6 Qa5 26. a4 Rxa4 27. Kc2 Ra3 28. Rb1 Qc3+ 29. Kd1 Ra2 30. Rh2 Qd3 31. Kc1 Rf1+ 32. Nxf1 Qxf1# 0-1

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "2"]
[White "Donoso Diaz, Sebastian"]
[Black "Melian, Juan Sebastian"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2192"]
[BlackElo "1978"]
[PlyCount "215"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 Bc8 7. Be2 Nc6 8. 0-0 e6 9. d4 Bd6 10. Bd2 0-0 11. Na4 Ne4 12. Rfc1 Nxd2 13. Nxd2 Qe7 14. Nc5 b6 15. Nd3 Na5 16. Qd1 Ba6 17. Ne5 Bxe2 18. Qxe2 Qb7 19. a3 Rac8 20. Qb5 Bxe5 21. dxe5 a6 22. Qa4 Qb8 23. f4 Rfd8 24. b4 Nc4 25. Nxc4 dxc4 26. Qxa6 b5 27. a4 bxa4 28. Rxc4 Rxc4 29. Qxc4 Qa7 30. Qc3 h6 31. Kf2 Rd7 32. Qc2 Qb7 33. Rxa4 g6 34. Ra5 Kg7 35. b5 Rd5 36. Qb2 Qb6 37. Ra6 Qxb5 38. Qxb5 Rxb5 39. Kf3 Rb2 40. Ra7 Rb1 41. Rd7 Rf1+ 42. Ke4 Ra1 43. h3 Ra4+ 44. Rd4 Ra2 45. Kf3 Ra7 46. g4 Rb7 47. Rd6 Ra7 48. Rd1 Rb7 49. h4 Ra7 50. h5 Rb7 51. Ke4 Rb4+ 52. Rd4 Rb7 53. hxg6 Kxg6 54. Rd8 Rb4+ 55. Kf3 Rb5 56. Rg8+ Kh7 57. Rd8 Kg7 58. Rd4 Ra5 59. Ke4 Kg6 60. f5+ exf5+ 61. gxf5+ Kg5 62. Rd7 Ra4+ 63. Rd4 Ra7 64. Rd8 Ra4+ 65. Rd4 Ra7 66. Rc4 Ra5 67. Rb4 h5 68. Rc4 h4 69. e6 fxe6 70. fxe6 Kf6 71. Kf3 Rh5 72. Kg4 Re5 73. Kf4 Rh5 74. Rc2 Kxe6 75. Rh2 h3 76. Kg4 Rh8 77. Rxh3 Rxh3 78. Kxh3 Kf5 79. Kg3 Ke4 80. Kf2 Ke5 81. Kf3 Kf5 82. Ke2 Ke4 83. Kd2 Ke5 84. Kd3 Kd5 85. e4+ Ke5 86. Ke3 Ke6 87. Kf4 Kf6 88. e5+ Ke6 89. Ke4 Ke7 90. Kf5 Kf7 91. Kg5 Ke6 92. Kf4 Ke7 93. Ke4 Ke6 94. Kd4 Ke7 95. Kd5 Kd7 96. e6+ Ke7 97. Ke5 Ke8 98. Ke4 Ke7 99. Kf5 Ke8 100. Kg6 Ke7 101. Kf5 Ke8 102. Ke5 Ke7 103. Kd5 Ke8 104. Kd6 Kd8 105. Kc6 Ke7 106. Kd5 Ke8 107. Ke5 Ke7 108. Kf5 1/2-1/2

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Oviedo Acosta, Paula"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2192"]
[BlackElo "1637"]
[PlyCount "51"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. Bd3 Nb4 7. 0-0 Nxd3 8. Qxd3 Be7 9. Nc3 a6 10. e5 Ng8 11. Ne4 d5 12. exd6 Bxd6 13. Re1 Nf6 14. Nxf6+ Qxf6 15. Ng5 Bd7 16. d5 Bb5 17. Qh3 Bb4 18. Re4 Bc5 19. Bf4 Qxb2 20. Rae1 Bxf2+ 21. Kh1 Bxe1 22. Rxe6+ Kf8 23. Rxe1 Qf2 24. Bg3 Qd2 25. Qf5 f6 26. Bd6+ 1-0

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "3"]
[White "Orrego Palermo, Marcelo Andres"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D25"]
[WhiteElo "1907"]
[BlackElo "2192"]
[PlyCount "72"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. 0-0 Be7 8. Nbd2 0-0 9. b3 Bb7 10. Bb2 Nbd7 11. Rc1 Rc8 12. Qe2 c5 13. dxc5 Nxc5 14. Rfd1 Qb6 15. Nd4 Rfd8 16. N2f3 Be4 17. h3 h6 18. Nd2 Ba8 19. N2f3 Nce4 20. Ne5 Nd6 21. Bxe6 fxe6 22. Nxe6 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Nxc8 25. Qc4 Nd6 26. Qf4 Bd5 27. Nxg7 Kxg7 28. Qg3+ Kf8 29. Qg6 Nf7 30. Nxf7 Bxf7 31. Qxh6+ Ke8 32. Qf4 Bxb3 33. a5 Qd8 34. g4 Qd1+ 35. Kh2 Nd7 36. g5 Bd6 0-1

[Event "South America-ch U20"]
[Site "Chess.com INT"]
[Date "2021.06.19"]
[Round "7"]
[White "Pena Cifuentes, Tomas Alberto"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1989"]
[BlackElo "2192"]
[PlyCount "79"]
[EventDate "2021.06.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4 a6 10. Bxc6+ bxc6 11. a5 Ba7 12. Bb2 Nf6 13. Nxd4 Nxe4 14. Nxe6 Qxd1 15. Nxg7+ Kf8 16. Rxd1 Nxf2 17. Rd7 Nd3+ 18. Bd4 Ne5 19. Bxa7 Nxd7 20. Bd4 Rg8 21. Nf5 Rb8 22. Nc3 Rxb4 23. Rd1 Rg5 24. Bc5+ Ke8 25. Re1+ Kd8 26. Be7+ Kc8 27. Bxg5 Rc4 28. Ne4 Ne5 29. Ned6+ cxd6 30. Nxd6+ Kd7 31. Nxc4 Nxc4 32. Re7+ Kd6 33. Rxf7 Nxa5 34. Rxh7 c5 35. Rh6+ Kd5 36. Rxa6 Nc6 37. Rxc6 Kxc6 38. h4 c4 39. h5 Kd5 40. h6 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.28"]
[Round "9.26"]
[White "Donoso Diaz, Sebastian"]
[Black "Gonzalez Lopez, Nicolas Mateo"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2192"]
[BlackElo "2200"]
[PlyCount "99"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Chile V"]
[BlackTeam "Colombia V"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 Na6 8. Nf3 Nc5 9. Nd2 a5 10. g4 h5 11. g5 Nh7 12. h4 f6 13. gxf6 Bxf6 14. Rg1 Bg4 15. Rxg4 hxg4 16. Qxg4 Bxh4 17. Nf3 Bf6 18. 0-0-0 Qd7 19. Qxg6+ Kh8 20. Qh5 Rg8 21. Bxc5 dxc5 22. Nxe5 Bxe5 23. Qxe5+ Qg7 24. Qh2 Rae8 25. Bd3 Qg2 26. Rh1 Qxh2 27. Rxh2 Rg1+ 28. Kd2 Kg8 29. f4 Rg4 30. e5 Nf8 31. Ne2 Re7 32. Bf5 Rgg7 33. Ke3 Ref7 34. Ke4 b6 35. b3 Re7 36. a3 Re8 37. Kf3 Ng6 38. Bxg6 Rxg6 39. f5 Rg7 40. e6 Kf8 41. f6 Rg6 42. Rh8+ Rg8 43. Rxg8+ Kxg8 44. f7+ Kf8 45. fxe8Q+ Kxe8 46. Ng3 Ke7 47. Kg4 c6 48. Nf5+ Kf6 49. dxc6 Kxe6 50. Kf4 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.28"]
[Round "8.29"]
[White "Isakjanov, Kelsinbek"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2070"]
[BlackElo "2192"]
[PlyCount "88"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Kyrgyzstan"]
[BlackTeam "Chile V"]
[WhiteTeamCountry "KGZ"]
[BlackTeamCountry "CHI"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Nf3 Nf6 6. 0-0 Be7 7. Qb3 0-0 8. Ne5 Qe8 9. exd4 Nc6 10. Nxc6 Qxc6 11. Bg5 Qd7 12. Re1 a6 13. a4 Rb8 14. Nc3 b5 15. axb5 axb5 16. Bxb5 Qg4 17. Rxe7 Qxg5 18. Re5 Qh4 19. Qc2 Ng4 20. h3 Nxe5 21. dxe5 Bb7 22. Bf1 Rfe8 23. Ra5 Qb4 24. Rb5 Qe7 25. Qb3 c6 26. Rb6 Qc7 27. f4 Ba8 28. Na4 Rxb6 29. Qxb6 Qxb6+ 30. Nxb6 Rb8 31. Nc4 c5 32. f5 Bd5 33. Ne3 Ba2 34. Bc4 Bxc4 35. Nxc4 Rb4 36. b3 Rxb3 37. Kf2 Kf8 38. f6 gxf6 39. exf6 Rb4 40. Ne5 Ke8 41. Ke3 Rb6 42. Nd3 c4 43. Ne5 Re6 44. Kd4 Rxe5 0-1

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.27"]
[Round "6.22"]
[White "Donoso Diaz, Sebastian"]
[Black "Damaceno, Mateus Lima"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2192"]
[BlackElo "2136"]
[PlyCount "154"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Chile V"]
[BlackTeam "Brazil II"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 e5 7. d5 a5 8. g4 Na6 9. Be3 Nd7 10. a3 Nb6 11. Nd2 Bd7 12. h4 Nc5 13. Bxc5 dxc5 14. g5 Nc8 15. Bh3 Nd6 16. Bxd7 Qxd7 17. h5 f6 18. gxf6 Rxf6 19. hxg6 hxg6 20. Qe2 Raf8 21. f3 Rf4 22. 0-0-0 Qe7 23. Qg2 Qf6 24. Rdg1 Kf7 25. Ne2 Re8 26. Rh3 Nc8 27. Nf1 Ne7 28. Ne3 Rh8 29. Ng4 Qa6 30. Rxh8 Qxc4+ 31. Kb1 Bxh8 32. Nxf4 exf4 33. Qc2 Qb5 34. Nf2 Bd4 35. Rh1 c4 36. Nh3 c3 37. Nxf4 cxb2 38. Ne6 Bf6 39. Nxc7 Qb6 40. a4 Qe3 41. Nb5 Qxf3 42. Rd1 g5 43. Nd4 Qa3 44. Qxb2 Qxa4 45. Qb3 Qxb3+ 46. Nxb3 a4 47. Nc5 b5 48. Rf1 Kg6 49. d6 Nc6 50. d7 Nd8 51. Nd3 g4 52. e5 Be7 53. Nf2 Kf5 54. Rg1 Bc5 55. Rf1 Kxe5 56. Nd3+ Kd6 57. Nxc5 g3 58. Rg1 Kxc5 59. Rxg3 Kc6 60. Rg8 Kxd7 61. Ka2 b4 62. Kb2 Nc6 63. Ra8 a3+ 64. Kb3 Kd6 65. Rh8 Kc5 66. Rh5+ Kb6 67. Rg5 Nd4+ 68. Ka2 Kc6 69. Rh5 Kd6 70. Rg5 Kc6 71. Rh5 Kb6 72. Rd5 Nc6 73. Kb3 Ka6 74. Rd7 Kb5 75. Rd5+ Ka6 76. Rd6 Kb5 77. Rd5+ Ka6 1/2-1/2

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.27"]
[Round "4.24"]
[White "Donoso Diaz, Sebastian"]
[Black "Felix Soto, Alfredo"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "2192"]
[BlackElo "2075"]
[PlyCount "196"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Chile V"]
[BlackTeam "Mexico IV"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "MEX"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Be7 7. Nf3 Nc6 8. 0-0 0-0 9. d4 e4 10. Ne5 Be6 11. Nxc6 bxc6 12. Bg5 Nd7 13. Bxe7 Qxe7 14. Rc1 Rac8 15. Qd2 h5 16. Na4 Nb6 17. Nc5 Nc4 18. Qc3 h4 19. Bxe4 Bh3 20. Rfe1 f5 21. Bg2 Bxg2 22. Kxg2 Rf6 23. e4 fxe4 24. Nxe4 Rf5 25. b3 Nb6 26. Nc5 Qf7 27. Rc2 Rf8 28. Qe3 Kh8 29. Ne6 Rc8 30. Rce2 Qf6 31. g4 Qg6 32. h3 Rf6 33. Nf4 Qf7 34. Nh5 Rd6 35. Qe7 Qxe7 36. Rxe7 g6 37. Nf4 Rf8 38. Nd3 Nc8 39. R7e6 Rfd8 40. Nc5 Kg8 41. Rxd6 Nxd6 42. Re7 Nb5 43. Ne6 Rd6 44. f4 Nc3 45. f5 gxf5 46. gxf5 Ne4 47. Rxa7 Ng3 48. Ra8+ Kf7 49. Ra7+ Kf6 50. Nf4 Nxf5 51. Ra4 Kg5 52. Nd3 Rf6 53. Rb4 Ne3+ 54. Kg1 Rf1+ 55. Kh2 Rd1 56. Ne5 Rd2+ 57. Kg1 Kf4 58. Rb8 Nf5 59. Rf8 Rxa2 60. Nxc6 Ke4 61. Re8+ Kf3 62. Ne5+ Kg3 63. Rg8+ Kxh3 64. Nf3 Ra1+ 65. Kf2 Ra2+ 66. Ke1 Ng3 67. Rh8 Kg4 68. Nxh4 Rb2 69. Ng6 Rxb3 70. Kd2 Ne4+ 71. Ke2 Ng3+ 72. Kd2 Ne4+ 73. Kc2 Rb4 74. Ne5+ Kf5 75. Rh5+ Kf6 76. Ng4+ Ke6 77. Rh6+ Kd7 78. Ne5+ Kc7 79. Nf3 Rc4+ 80. Kd1 Rc6 81. Rh7+ Kb6 82. Ne5 Rc7 83. Rh8 Rg7 84. Rd8 Kc7 85. Ra8 Kb7 86. Rf8 Rg2 87. Ke1 Rg7 88. Rd8 Nc3 89. Kd2 Rg3 90. Rd7+ Kc8 91. Rh7 Nb5 92. Nc6 Nd6 93. Ne7+ Kb8 94. Nxd5 Nf5 95. Rh8+ Kb7 96. Rh7+ Kb8 97. Rh8+ Kb7 98. Rh7+ Kb8 1/2-1/2

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.27"]
[Round "5.30"]
[White "Palacio, Enzo"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1896"]
[BlackElo "2192"]
[PlyCount "124"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Uruguay"]
[BlackTeam "Chile V"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 Be7 9. a4 b6 10. Qd2 Bb7 11. f3 0-0 12. Rfd1 Rfd8 13. Bc4 Nxd4 14. Bxd4 Qxc4 15. Bxb6 Bc5+ 16. Bxc5 Qxc5+ 17. Kh1 h6 18. a5 Bc6 19. Na4 Bxa4 20. Rxa4 Rac8 21. c3 Rb8 22. b4 Qh5 23. c4 d5 24. b5 axb5 25. cxb5 Rxb5 26. a6 Rbb8 27. a7 Ra8 28. Rb1 Qe5 29. Qa5 Nd7 30. Rb7 Qd6 31. exd5 Qxd5 32. Qxd5 exd5 33. Ra5 Nf6 34. Rab5 Kh7 35. Rxf7 d4 36. Rbb7 Ne8 37. Rfd7 Rxd7 38. Rxd7 d3 39. Kg1 d2 40. Kf2 Nf6 41. Rxd2 Rxa7 42. h4 Rd7 43. Ra2 Rd4 44. g3 Nd5 45. h5 Nc3 46. Rc2 Rd3 47. g4 Nb5 48. Kg3 Rxf3+ 49. Kxf3 Nd4+ 50. Kf4 Nxc2 51. g5 Nd4 52. gxh6 Kxh6 53. Kg4 Nb3 54. Kh4 Nd2 55. Kg4 Nf1 56. Kh4 Ne3 57. Kh3 Kxh5 58. Kg3 Nc4 59. Kh3 Na5 60. Kg3 Kg5 61. Kh3 Kf4 62. Kg2 g6 0-1

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "3.27"]
[White "Donoso Diaz, Sebastian"]
[Black "Ono, David"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2192"]
[BlackElo "2096"]
[PlyCount "83"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Chile V"]
[BlackTeam "Argentina II"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "ARG"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 Nbd7 7. Qc2 b6 8. cxd5 exd5 9. Nd4 Nb8 10. Nf5 0-0 11. g4 Re8 12. Nxd6 Qxd6 13. g5 Ng4 14. d4 h6 15. 0-0-0 hxg5 16. h4 Qh6 17. Bd3 gxh4 18. Rdg1 g6 19. Kb1 Be6 20. e4 Nd7 21. f3 Ngf6 22. e5 Kg7 23. Bc1 Qh5 24. Rg5 Qxf3 25. Bxg6 Kf8 26. Rxh4 Ke7 27. exf6+ Nxf6 28. Rf4 Qh1 29. Bxf7 Bxf7 30. Re5+ Be6 31. Qf5 Kd7 32. Qxf6 Re7 33. Rh4 Qg2 34. Rh6 Rae8 35. Rg6 Qh3 36. Kb2 b5 37. Ne2 Qh2 38. Rg7 Rxg7 39. Qxg7+ Re7 40. Qf6 Qh3 41. Bg5 Rf7 42. Qd8# 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "2.29"]
[White "Palu, Andres"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2068"]
[BlackElo "2192"]
[PlyCount "67"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Argentina IV"]
[BlackTeam "Chile V"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. e5 d5 8. exd6 Qxd6 9. Ne4 Qe7 10. d3 Nf6 11. 0-0 0-0 12. c3 Rd8 13. Qe2 Nd5 14. Be3 Nxe3 15. Qxe3 b6 16. Rad1 Bb7 17. g4 Rd7 18. Ng3 Rad8 19. Rfe1 b5 20. Ne4 Rd5 21. Qf2 b4 22. c4 Rxd3 23. Rxd3 Rxd3 24. Qxc5 Qd8 25. Nf2 Bf8 26. Qg5 Qxg5 27. Nxg5 Rd4 28. f5 Bc5 29. fxe6 Rd2 30. exf7+ Kf8 31. Ne6+ Kxf7 32. Nxc5 Ba8 33. Bd5+ Kg7 34. Re8 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "1.11"]
[White "Zarubitski, Viachaslau"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2442"]
[BlackElo "2192"]
[PlyCount "51"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Belarus"]
[BlackTeam "Chile V"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "CHI"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. c4 Be7 5. e3 0-0 6. Be2 c5 7. 0-0 b6 8. d4 cxd4 9. Nxd4 Bb7 10. Nd2 Nbd7 11. Rc1 Nc5 12. cxd5 Bxd5 13. b4 Nce4 14. Nxe4 Nxe4 15. f3 Nf6 16. e4 Bb7 17. Qb3 Rc8 18. a3 Rxc1 19. Rxc1 Bd6 20. Nxe6 fxe6 21. Qxe6+ Kh8 22. Rd1 Nxe4 23. fxe4 Qh4 24. Qxd6 Qf2+ 25. Kh1 Bxe4 26. Qg3 1-0

[Event "Online Olym Div2 D"]
[Site "Chess.com INT"]
[Date "2020.08.16"]
[Round "9.5"]
[White "Kanyamarala, Tarun"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2376"]
[BlackElo "2192"]
[PlyCount "78"]
[EventDate "2020.08.14"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Chile"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nc3 e6 3. Nge2 a6 4. g3 b5 5. Bg2 Bb7 6. 0-0 b4 7. Nb1 Nc6 8. d4 cxd4 9. Nxd4 Rc8 10. Nb3 Qc7 11. Bf4 e5 12. Bg5 Be7 13. Be3 Nf6 14. c3 0-0 15. cxb4 Nxb4 16. Nc3 Rfd8 17. a3 Nc6 18. Rc1 d6 19. Nd5 Qd7 20. Nb6 Qe6 21. Nxc8 Rxc8 22. h3 Rb8 23. Qd3 Ba8 24. Rc3 a5 25. Qa6 Bb7 26. Qb5 Ba8 27. Qa4 d5 28. Nc5 Bxc5 29. Bxc5 Nxe4 30. Rc2 h6 31. Rfc1 Nxc5 32. Rxc5 Nd4 33. Kh2 Qf5 34. Rf1 Rxb2 35. Qe8+ Kh7 36. Qxa8 Rxf2 37. Qa6 Nf3+ 38. Kh1 Qxh3+ 39. Bxh3 Rh2# 0-1

[Event "Online Olym Div2 D"]
[Site "Chess.com INT"]
[Date "2020.08.15"]
[Round "6.5"]
[White "Donoso Diaz, Sebastian"]
[Black "Gokerkan, Cem Kaan"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2192"]
[BlackElo "2461"]
[PlyCount "130"]
[EventDate "2020.08.14"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Chile"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "TUR"]

1. c4 e6 2. Nf3 Nf6 3. e3 d5 4. b3 Be7 5. Bb2 0-0 6. Nc3 c5 7. cxd5 Nxd5 8. Qc2 Nc6 9. a3 b6 10. h4 f5 11. Nxd5 exd5 12. d4 Be6 13. Ba6 Qd6 14. g3 f4 15. gxf4 Bf5 16. Bd3 Bxd3 17. Qxd3 cxd4 18. Bxd4 Nxd4 19. Nxd4 Bf6 20. b4 Rad8 21. Rc1 Qd7 22. Kd2 a5 23. h5 axb4 24. h6 g6 25. axb4 Ra8 26. Ra1 Qd6 27. b5 Rac8 28. Ke2 Rc4 29. Rac1 Ra4 30. Nc6 Re8 31. Kf3 Qe6 32. Rcd1 Qe4+ 33. Qxe4 dxe4+ 34. Kg3 Ra2 35. Rd6 Kf7 36. Rd7+ Kg8 37. Rb7 g5 38. Rg1 Kh8 39. f5 Bb2 40. Rd1 Ba3 41. Rdd7 Bf8 42. Nd4 Kg8 43. f6 Rea8 44. Nf5 Rb2 45. Rg7+ Kh8 46. Rxh7+ Kg8 47. Rhg7+ Kh8 48. f7 Rxb5 49. Rg8+ Kh7 50. Rxg5 Rba5 51. Kf4 R5a7 52. Rxa7 Rxa7 53. Rg7+ Bxg7 54. hxg7 Rxf7 55. Kxe4 Ra7 56. f4 b5 57. Nd4 b4 58. Kd3 Ra3+ 59. Kd2 Kxg7 60. e4 b3 61. Kc3 Ra4 62. Nf5+ Kf6 63. Ng3 Rxe4 64. Nxe4+ Kf5 65. Kxb3 Kxf4 1/2-1/2

[Event "Online Olym Div2 D"]
[Site "Chess.com INT"]
[Date "2020.08.15"]
[Round "5.5"]
[White "Radovanovic, Mihajlo"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2457"]
[BlackElo "2192"]
[PlyCount "72"]
[EventDate "2020.08.14"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Serbia"]
[BlackTeam "Chile"]
[WhiteTeamCountry "SRB"]
[BlackTeamCountry "CHI"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 e5 7. d3 Nge7 8. Rb1 0-0 9. a3 f5 10. Ne1 a5 11. Nc2 Be6 12. Bg5 Qd7 13. Ne3 Nc8 14. Ned5 f4 15. Ne4 h6 16. Bxh6 Bxd5 17. cxd5 Bxh6 18. dxc6 bxc6 19. b4 axb4 20. axb4 Kh8 21. bxc5 d5 22. Nc3 fxg3 23. hxg3 Ne7 24. Rb6 Ra3 25. Qc2 Rfa8 26. Qb2 Bg7 27. Rb7 Qe6 28. Qc1 R3a5 29. Qg5 Qf6 30. Qg4 Rxc5 31. Na4 Rc2 32. Nb6 Re8 33. Qd7 Qf7 34. Bf3 Bf6 35. Nc8 Kg8 36. Nd6 Qf8 1-0

[Event "Online Olym Div2 D"]
[Site "Chess.com INT"]
[Date "2020.08.14"]
[Round "1.5"]
[White "Donoso Diaz, Sebastian"]
[Black "Livaic, Leon"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2192"]
[BlackElo "2507"]
[PlyCount "96"]
[EventDate "2020.08.14"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Chile"]
[BlackTeam "Croatia"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CRO"]

1. Nf3 Nf6 2. c4 b6 3. e3 Bb7 4. b3 g6 5. Bb2 Bg7 6. d4 0-0 7. Bd3 d6 8. Nbd2 Nbd7 9. 0-0 e5 10. d5 Nh5 11. Rc1 f5 12. Bb1 a5 13. a3 Nhf6 14. b4 Ne8 15. Nb3 axb4 16. axb4 g5 17. Ne1 g4 18. e4 fxe4 19. Qxg4 Rf4 20. Qe2 Ndf6 21. Nd2 b5 22. g3 Rg4 23. Ng2 bxc4 24. Ne3 Rg6 25. Qxc4 Bh6 26. Bxe4 Nxe4 27. Nxe4 Qd7 28. Rc2 Ba6 29. Qa2 Bxe3 30. fxe3 Bxf1 31. Qxa8 Bd3 32. Rxc7 Qxc7 33. Qxe8+ Kg7 34. Nxd6 Rxd6 35. Bxe5+ Kh6 36. Qf8+ Kh5 37. Bxd6 Qc1+ 38. Kg2 Qc2+ 39. Qf2 Be4+ 40. Kf1 Qd1+ 41. Qe1 Qf3+ 42. Qf2 Qd1+ 43. Qe1 Bg2+ 44. Kf2 Qf3+ 45. Kg1 Bh3 46. g4+ Kg6 47. Qb1+ Kg7 48. Be5+ Kg8 0-1

[Event "Online Olym Div3 D"]
[Site "Chess.com INT"]
[Date "2020.08.09"]
[Round "8.4"]
[White "Donoso Diaz, Sebastian"]
[Black "Suarez, Pedro Martin"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2192"]
[BlackElo "2070"]
[PlyCount "59"]
[EventDate "2020.08.07"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Chile"]
[BlackTeam "Uruguay"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "URU"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 e5 7. d5 Nh5 8. g3 Na6 9. Nh2 Nc5 10. b4 Nd7 11. Be2 a5 12. Bxh5 axb4 13. Nb1 gxh5 14. Qxh5 b3 15. Nc3 f5 16. exf5 e4 17. Bd2 Nc5 18. 0-0 Rxf5 19. Qe2 Rf7 20. axb3 Rxa1 21. Rxa1 Nxb3 22. Ra8 Re7 23. Nb5 Qf8 24. Be3 b6 25. Qh5 Nc5 26. Qg5 Re5 27. Qh4 Re7 28. Rxc8 Qxc8 29. Qxe7 Na6 30. Ng4 1-0

[Event "Online Olym Div3 D"]
[Site "Chess.com INT"]
[Date "2020.08.09"]
[Round "9.3"]
[White "Rodriguez Rosich, Carlos"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1574"]
[BlackElo "2192"]
[PlyCount "60"]
[EventDate "2020.08.07"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Chile"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "CHI"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 d6 5. h3 Nf6 6. Re1 0-0 7. c3 Na5 8. Bd3 c5 9. Bc2 Qc7 10. d3 Nc6 11. Nbd2 Re8 12. Nf1 d5 13. Ne3 d4 14. Nf5 Bxf5 15. exf5 Rad8 16. g4 e4 17. g5 exf3 18. Qxf3 Bd6 19. Bd2 Ne5 20. Rxe5 Bxe5 21. gxf6 Bxf6 22. Qg4 c4 23. Kh1 cxd3 24. Bb3 dxc3 25. bxc3 Re2 26. Bf4 Qc6+ 27. Kg1 Qxc3 28. Qh5 Qxa1+ 29. Kg2 Re7 30. Bc7 Rxc7 0-1

[Event "Online Olym Div3 D"]
[Site "Chess.com INT"]
[Date "2020.08.07"]
[Round "1.3"]
[White "Donoso Diaz, Sebastian"]
[Black "Abderrahim Taleb, Mohamed"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2192"]
[BlackElo "1811"]
[PlyCount "63"]
[EventDate "2020.08.07"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Chile"]
[BlackTeam "Mauritania"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "MAU"]

1. Nf3 d5 2. e3 c6 3. c4 e6 4. b3 Nf6 5. Bb2 Bd6 6. Qc2 Nbd7 7. Nc3 0-0 8. Rg1 e5 9. cxd5 cxd5 10. Nb5 Bb8 11. Rc1 a6 12. Nc3 e4 13. Nd4 Bxh2 14. Rh1 Be5 15. Nce2 Re8 16. f4 exf3 17. gxf3 Nf8 18. Bg2 Ng6 19. Qb1 Bd7 20. f4 Bxd4 21. Bxd4 Ne4 22. d3 Qa5+ 23. b4 Qd8 24. dxe4 Nh4 25. Kf2 Nxg2 26. Kxg2 dxe4 27. Kf2 Bb5 28. Rcg1 f6 29. Qb3+ Kh8 30. Qf7 Re7 31. Rxh7+ Kxh7 32. Rh1# 1-0

[Event "Online Olym Div3 D"]
[Site "Chess.com INT"]
[Date "2020.08.07"]
[Round "2.4"]
[White "McKennis, Darren"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "1735"]
[BlackElo "2192"]
[PlyCount "63"]
[EventDate "2020.08.07"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 198"]
[Source "ChessBase"]
[SourceDate "2020.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.31"]
[SourceQuality "1"]
[WhiteTeam "Jamaica"]
[BlackTeam "Chile"]
[WhiteTeamCountry "JAM"]
[BlackTeamCountry "CHI"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bd3 Bb7 7. a4 b4 8. Nbd2 e6 9. Qc2 Be7 10. 0-0 0-0 11. Ne5 c5 12. dxc5 Qc7 13. Ndc4 Nc6 14. Nf3 Bxc5 15. b3 e5 16. Nfd2 Rfe8 17. Bb2 Rad8 18. Ne4 Nxe4 19. Bxe4 g6 20. Rfd1 Ba7 21. Nxe5 Rxd1+ 22. Rxd1 Rxe5 23. Bxe5 Qxe5 24. Bxc6 Bb8 25. g3 Qc7 26. Rd7 Qxc6 27. Qxc6 Bxc6 28. Rd8+ Kg7 29. Rxb8 Bd5 30. Rxb4 Be6 31. Rb6 a5 32. Rb5 1-0

[Event "Titled Tuesday intern op 7th Januar"]
[Site "Chess.com INT"]
[Date "2020.01.07"]
[Round "3"]
[White "Donoso Diaz, Sebastian"]
[Black "Heineccius, August"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2211"]
[BlackElo "2660"]
[PlyCount "100"]
[EventDate "2020.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 Bd6 5. Bb2 0-0 6. Nc3 Nbd7 7. cxd5 exd5 8. d4 c6 9. g3 Re8 10. Bg2 Qe7 11. 0-0 Nf8 12. Ne2 Ng6 13. Rc1 Bf5 14. Re1 Qd7 15. Nf4 Be4 16. Nd3 Qe7 17. Bh3 Nd7 18. a3 a5 19. Nf4 Qd8 20. Nxg6 Bxg6 21. Nh4 Be4 22. f3 Bg6 23. Nxg6 hxg6 24. Qd3 Nf6 25. Bg2 Qb6 26. e4 dxe4 27. fxe4 Rad8 28. Qc4 Be5 29. Rcd1 a4 30. Kh1 Ng4 31. Re2 Qxb3 32. Qxb3 axb3 33. h3 Nf6 34. Rd3 Nh5 35. Kh2 c5 36. d5 Bxb2 37. Rxb2 c4 38. Rc3 b5 39. a4 bxa4 40. Rxc4 Ra8 41. d6 a3 42. Rxb3 a2 43. Rc1 a1Q 44. Rxa1 Rxa1 45. e5 Rd8 46. g4 Nf4 47. Bc6 Re1 48. Kg3 Ne6 49. Rb5 Nd4 50. Rd5 Nxc6 0-1

[Event "Titled Tuesday intern op 7th Januar"]
[Site "Chess.com INT"]
[Date "2020.01.07"]
[Round "1"]
[White "Florescu, Codrut Constantin"]
[Black "Donoso Diaz, Sebastian"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2294"]
[BlackElo "2211"]
[PlyCount "115"]
[EventDate "2020.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Nbd2 c5 7. c3 Qc7 8. Ne5 Nc6 9. f4 Ne7 10. Bd3 b6 11. Qb1 g6 12. 0-0 Bb7 13. Bh4 Nd7 14. Ndf3 Nf5 15. Bf2 h5 16. Ng5 Nf6 17. Qd1 Ne4 18. Bxe4 dxe4 19. g4 hxg4 20. Qxg4 Bxe5 21. fxe5 Kg7 22. Rae1 Rh8 23. Bg3 Rh5 24. Rf2 cxd4 25. cxd4 Rah8 26. Rg2 Qc6 27. Bf4 Rh4 28. Qe2 Rxf4 29. exf4 e3 30. Qc2 Qd5 31. Qe2 Nxd4 32. Qg4 Qxg2+ 33. Qxg2 Bxg2 34. Kxg2 Nf5 35. Nf3 Rc8 36. Re2 Rd8 37. Ng5 Rd2 38. Kf1 Nd4 39. Rxe3 Rxb2 40. Rh3 Rxa2 41. Rh7+ Kg8 42. Rxf7 Nf3 43. Rf6 Nxg5 44. fxg5 Kg7 45. Rxe6 Rxh2 46. Re7+ Kf8 47. Rxa7 Rb2 48. e6 Rb5 49. Rf7+ Ke8 50. Rb7 Rf5+ 51. Ke2 Re5+ 52. Kf3 Rxe6 53. Kf4 Kf8 54. Rc7 b5 55. Rb7 Rc6 56. Rxb5 Rc7 57. Rb6 Kg7 58. Kg4 1/2-1/2

[Event "Titled Tuesday intern op 7th Januar"]
[Site "Chess.com INT"]
[Date "2020.01.07"]
[Round "2"]
[White "Kiewra, Keaton F"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2371"]
[BlackElo "2211"]
[PlyCount "30"]
[EventDate "2020.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Qc7 8. Ne5 Nc6 9. Nd2 Nxe5 10. dxe5 Bxe5 11. Bh4 d4 12. f4 dxe3 13. fxe5 exd2+ 14. Kxd2 Qxe5 15. Kc2 c4 0-1

[Event "Titled Tuesday intern op 7th Januar"]
[Site "Chess.com INT"]
[Date "2020.01.07"]
[Round "5"]
[White "Tejedor Fuente, Enrique"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2453"]
[BlackElo "2211"]
[PlyCount "73"]
[EventDate "2020.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Nbd2 c5 7. c3 Qc7 8. Ne5 Nc6 9. f4 Ne7 10. Bd3 b5 11. Rc1 c4 12. Bb1 b4 13. 0-0 bxc3 14. bxc3 Rb8 15. Bh4 Rb2 16. Rf2 Ng6 17. Bxf6 gxf6 18. Ng4 f5 19. Nf6+ Kg7 20. Nh5+ Kh8 21. Nf3 Rxf2 22. Kxf2 Be7 23. Qg1 Bd7 24. g4 fxg4 25. Qxg4 e5 26. f5 e4 27. Ng5 Qxh2+ 28. Ke1 Qh1+ 29. Kd2 Qh2+ 30. Kd1 h6 31. Nxf7+ Rxf7 32. Qxg6 Ba4+ 33. Bc2 Qh1+ 34. Kd2 Qh2+ 35. Kd1 Rh7 36. Bxa4 Bg5 37. Qe8# 1-0

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.13"]
[Round "9"]
[White "Donoso Diaz, Sebastian"]
[Black "Labussiere, Yago"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2234"]
[BlackElo "2091"]
[PlyCount "77"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Nf6 3. e4 d6 4. d4 Bg7 5. h3 0-0 6. Be3 Na6 7. Nf3 e5 8. d5 Nc5 9. Nd2 a5 10. g4 c6 11. Be2 Bd7 12. h4 a4 13. g5 Ne8 14. h5 cxd5 15. cxd5 Qb8 16. b4 axb3 17. axb3 Rxa1 18. Qxa1 gxh5 19. b4 Na6 20. b5 Nc5 21. b6 f5 22. f3 Qc8 23. Rxh5 fxe4 24. fxe4 Bg4 25. Rh4 Bd7 26. Bc4 Qd8 27. Qb1 h6 28. Rh2 hxg5 29. Bxc5 dxc5 30. d6+ Rf7 31. Bxf7+ Kxf7 32. Rf2+ Kg6 33. Nc4 Be6 34. Qd3 Bxc4 35. Qxc4 Nxd6 36. Qe6+ Bf6 37. Nd5 Ne8 38. Qg8+ Bg7 39. Qf7+ 1-0

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.12"]
[Round "7"]
[White "Donoso Diaz, Sebastian"]
[Black "Da Silva Junior, Sediney Mari"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2234"]
[BlackElo "2011"]
[PlyCount "115"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. Nc3 Bg7 4. h4 Nf6 5. h5 d5 6. h6 Bf8 7. e3 c6 8. Qf3 Qa5 9. Bd3 Na6 10. Qf4 Qc7 11. Qh4 Ne4 12. Bxe4 dxe4 13. d5 cxd5 14. Nxd5 Qa5+ 15. Nc3 Nb4 16. Rc1 Be6 17. Nge2 Bxa2 18. 0-0 Bc4 19. Rfd1 Rd8 20. Rxd8+ Qxd8 21. Nd4 Qb6 22. Qf4 Qd6 23. Qh4 e5 24. Ndb5 Bxb5 25. Bf6 Be7 26. Bxe7 Qxe7 27. Qxe7+ Kxe7 28. Nxb5 a6 29. Na3 Rd8 30. Kf1 Kf6 31. Ke2 g5 32. f3 exf3+ 33. gxf3 Kg6 34. Nc4 Nc6 35. Rh1 b5 36. Nd2 Ne7 37. c4 b4 38. Ra1 Ra8 39. c5 Nc6 40. Nc4 Kxh6 41. Rd1 Rd8 42. Rxd8 Nxd8 43. Nxe5 Ne6 44. c6 Kh5 45. b3 Kh4 46. Kf2 Kh3 47. Nf7 Kh4 48. Nd6 Nc7 49. Nxf5+ Kh5 50. Ne7 a5 51. Ke2 g4 52. fxg4+ Kxg4 53. e4 Ne8 54. Nd5 h5 55. Nf6+ Nxf6 56. c7 Nxe4 57. c8Q+ Kg3 58. Ke3 1-0

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.12"]
[Round "8"]
[White "Limp, Eduardo Thelio"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2356"]
[BlackElo "2234"]
[PlyCount "51"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 e6 7. 0-0 Be7 8. Nbd2 0-0 9. b3 Bb7 10. Bb2 c5 11. dxc5 Bxc5 12. Rc1 Qe7 13. Qc2 Nbd7 14. Qb1 Rac8 15. Qa1 Nb6 16. Be2 Rfd8 17. Rfd1 Nbd5 18. Nd4 Nc3 19. Bxc3 bxc3 20. Rxc3 Nd5 21. Rc4 Nxe3 22. fxe3 Qg5 23. N2f3 Qxe3+ 24. Kh1 e5 25. Rxc5 Rxc5 26. Nc2 1-0

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.10"]
[Round "5"]
[White "Donoso Diaz, Sebastian"]
[Black "Supi, Luis Paulo"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2234"]
[BlackElo "2578"]
[PlyCount "117"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e3 d5 5. cxd5 exd5 6. d4 Nc6 7. Be2 Bd6 8. dxc5 Bxc5 9. 0-0 0-0 10. b3 a6 11. Bb2 Ba7 12. Rc1 Qd6 13. Na4 Rd8 14. Nd4 Bd7 15. Qd3 Ne5 16. Qb1 Neg4 17. Bxg4 Nxg4 18. Nf3 d4 19. h3 Nxf2 20. Rxf2 dxe3 21. Re2 Bb5 22. Rce1 Bxe2 23. Rxe2 Rac8 24. Qe4 b5 25. Nc3 Qd3 26. Qh4 Re8 27. Qe1 b4 28. Na4 Rc2 29. Rxc2 Qxc2 30. Bd4 Bxd4 31. Nxd4 Qd2 32. Nf3 Qxa2 33. Qxb4 Qf2+ 34. Kh2 e2 35. Ne1 h5 36. Nb2 h4 37. Nbd3 Qg3+ 38. Kh1 Re3 39. Qa4 Qd6 40. Qc4 g6 41. b4 Qf6 42. b5 axb5 43. Qxb5 Qd4 44. Kh2 Kg7 45. Qa6 Re6 46. Qb5 Rf6 47. Qe5 Qxe5+ 48. Nxe5 Rf1 49. N5f3 g5 50. g4 f6 51. Kg2 Kf7 52. Nc2 Ke7 53. Nfe1 Kd7 54. Nd3 Kc7 55. Nde1 Kb6 56. Nd3 Ka5 57. Nde1 Ka4 58. Nf3 Rxf3 59. Kh2 0-1

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.09"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Lage, Pedro Ferreira"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2234"]
[BlackElo "2021"]
[PlyCount "81"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c6 3. c4 Bf5 4. cxd5 cxd5 5. Qb3 Qc7 6. Na3 Nf6 7. d4 Nc6 8. Bd2 a6 9. Rc1 Qd7 10. Ne5 Nxe5 11. dxe5 Ng4 12. f4 e6 13. h3 Nh6 14. Nb5 Rc8 15. Rxc8+ Qxc8 16. Qa4 Qc6 17. Be2 Bc5 18. Nc7+ Kd7 19. Nb5 Rc8 20. Qb3 Ke7 21. Nd6 Rc7 22. Bf3 Be4 23. Bxe4 dxe4 24. g4 f6 25. 0-0 Nf7 26. f5 Qd5 27. Qxd5 exd5 28. Nxf7 Kxf7 29. e6+ Ke7 30. Rc1 Bd6 31. Rxc7+ Bxc7 32. Bb4+ Ke8 33. Bc5 Be5 34. b3 Kd8 35. Bf8 g6 36. fxg6 hxg6 37. h4 f5 38. h5 gxh5 39. gxh5 Ke8 40. Bc5 f4 41. Bd4 1-0

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.08"]
[Round "3"]
[White "Tamarozi, Isabelle"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1963"]
[BlackElo "2234"]
[PlyCount "70"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. a4 Nf6 7. Be2 Nbd7 8. f4 Nc5 9. Bf3 e5 10. Nde2 Be7 11. 0-0 0-0 12. Ng3 Qb6 13. a5 Qc7 14. f5 b5 15. Nh5 Ncd7 16. Qe1 Bb7 17. Qg3 Nxh5 18. Bxh5 Nf6 19. Bf3 b4 20. Bh6 Ne8 21. Nd5 Bxd5 22. exd5 Kh8 23. Bg5 Bxg5 24. Qxg5 Qxc2 25. Rac1 Qxb2 26. Rc4 Nf6 27. Rfc1 Rfe8 28. Rc7 h6 29. Qh4 e4 30. Bh5 Rac8 31. Rxc8 Rxc8 32. Rxc8+ Kh7 33. h3 Qa1+ 34. Kh2 Qe5+ 35. Kh1 Qxf5 0-1

[Event "Rio de Janeiro Duchamp op 3rd"]
[Site "Rio de Janeiro"]
[Date "2019.12.07"]
[Round "1"]
[White "Carneiro, Luis Guilherme Rosa"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1808"]
[BlackElo "2234"]
[PlyCount "116"]
[EventDate "2019.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. a3 b5 8. f3 Nc6 9. Nxc6 dxc6 10. Be3 Bd6 11. g3 Bb7 12. Bf2 h5 13. Qd2 0-0-0 14. Qe3 h4 15. Rg1 hxg3 16. Bxg3 e5 17. 0-0-0 Nh5 18. Bf2 Nf4 19. Rxg7 Ne6 20. Rxd6 Rxd6 21. Rg2 Nf4 22. Rg7 Rxh2 23. Bg3 Nxe2+ 24. Nxe2 Rh1+ 25. Ng1 Qd8 26. Qe1 f6 27. Bf2 Rd7 28. Rg4 Rh2 29. Be3 Rh1 30. Bf2 Qf8 31. Qf1 Qf7 32. b3 a5 33. Kb2 a4 34. b4 Rh8 35. Qe2 Rhd8 36. Be3 Ba6 37. f4 c5 38. Nf3 cxb4 39. axb4 Rd1 40. Rg1 Rxg1 41. Nxg1 exf4 42. Bxf4 Qc4 43. Qg4+ Kb7 44. Qg7+ Ka8 45. Qxf6 Qxb4+ 46. Ka2 Qc4+ 47. Kb2 Qd4+ 48. Qxd4 Rxd4 49. Nf3 Rxe4 50. Bd2 Bb7 51. Ne1 Re2 52. Bb4 Be4 53. Kc1 Kb7 54. Kd1 Rh2 55. Bd6 Rh3 56. Kc1 Kc6 57. Bb4 Kd5 58. Kd2 Kc4 0-1

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "8.5"]
[White "Donoso Diaz, Sebastian"]
[Black "Flores Quillas, Diego Saul Rodrigo"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2234"]
[BlackElo "2118"]
[PlyCount "102"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 e6 10. bxc3 Be7 11. Bh6 Bf8 12. Bxf8 Kxf8 13. 0-0 Kg7 14. Bb5 Bd7 15. Be2 b6 16. Rac1 Qf6 17. Qa3 Rhd8 18. Qd6 Qe7 19. Qg3 Bc8 20. h4 Bb7 21. h5 Rd5 22. h6+ Kxh6 23. c4 Rdd8 24. d5 exd5 25. Rfe1 Qf6 26. cxd5 Rxd5 27. Qc7 Nd8 28. Nh2 Kg7 29. Ng4 Qd6 30. Qc3+ f6 31. Bc4 Rd4 32. Re7+ Qxe7 33. Qxd4 Nc6 34. Qf4 Ne5 35. Be6 Nc6 36. Bb3 Rc8 37. Rc4 Rd8 38. Rc1 Ne5 39. Rc7 Rd7 40. Rxd7 Nxd7 41. Qc7 Be4 42. Ne3 a5 43. Qc8 Nc5 44. Qg8+ Kh6 45. Bf7 f5 46. g4 Qf6 47. Qf8+ Kg5 48. gxf5 Qa1+ 49. Nf1 Bd3 50. Qd8+ Kg4 51. f3+ Kh3 0-1

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "7.8"]
[White "Geslin, Ezequiel"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2001"]
[BlackElo "2234"]
[PlyCount "110"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 Nc6 7. Bc4 d6 8. 0-0 Be7 9. Qe2 0-0 10. Rd1 Na5 11. Nc3 Nxc3 12. bxc3 Nxc4 13. Qxc4 d5 14. Qb3 b6 15. a4 a5 16. Ba3 Bxa3 17. Qxa3 Ba6 18. Rdb1 Rc8 19. Rb3 Rc6 20. Rab1 Qc7 21. Qb2 Bd3 22. Rd1 Bc4 23. Ra3 Rc8 24. Nd2 Bd3 25. Rc1 Rb8 26. h3 h6 27. Rb3 Qe7 28. Re1 Qc7 29. Re3 Ba6 30. f4 Bc4 31. Nxc4 Rxc4 32. Ra3 Qc6 33. Qa1 Rc8 34. g4 Ra8 35. f5 b5 36. axb5 Qxb5 37. Rf3 a4 38. f6 Rb8 39. Rf1 Qb2 40. Qxb2 Rxb2 41. Rfa1 gxf6 42. exf6 Kh7 43. Rxa4 Rxc3 44. R4a3 Rcc2 45. Rf3 Rg2+ 46. Kh1 Rgd2 47. Rg3 Kg6 48. h4 Rxd4 49. Rf1 Rbb4 50. Rfg1 Kxf6 51. g5+ hxg5 52. hxg5+ Kg6 53. R1g2 Rb1+ 54. Rg1 Rxg1+ 55. Kxg1 Rf4 0-1

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "5.8"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1969"]
[BlackElo "2234"]
[PlyCount "84"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. b3 cxd4 6. exd4 Nc6 7. 0-0 Be7 8. Nbd2 Qc7 9. Bb2 Nb4 10. Ne5 Nxd3 11. cxd3 0-0 12. f4 Qa5 13. a3 Qb6 14. g4 Ne8 15. Kh1 f6 16. Nef3 Bd7 17. Ne1 Nc7 18. Qe2 Bd6 19. Ng2 Nb5 20. Nf3 Rac8 21. Qd2 Rc6 22. a4 Rfc8 23. Rfc1 Rxc1+ 24. Rxc1 Nc7 25. Qd1 Bxa4 26. bxa4 Qxb2 27. Rb1 Qf2 28. Rxb7 Ne8 29. Rb1 Rc2 30. Qf1 Qxf1+ 31. Rxf1 Ra2 32. f5 exf5 33. gxf5 Rxa4 34. Ne3 Ra3 35. Nxd5 Rxd3 36. Kg2 Nc7 37. Nxc7 Bxc7 38. Ra1 Bb6 39. Ra4 Kf7 40. Kf2 Rb3 41. Ke2 Rb5 42. Nh4 Rb2+ 0-1

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "6.6"]
[White "Donoso Diaz, Sebastian"]
[Black "Benitez Galeano, Alejandro"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2234"]
[BlackElo "2177"]
[PlyCount "84"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e3 Bb7 5. d4 d5 6. cxd5 exd5 7. Qc2 a6 8. g3 Bd6 9. Bg2 0-0 10. 0-0 Re8 11. b3 Qe7 12. Bb2 Nbd7 13. Ne2 Ne4 14. Nf4 a5 15. Nd3 f6 16. Rfe1 Kh8 17. Rac1 Nf8 18. Qd1 a4 19. Re2 Ne6 20. Rec2 Qd7 21. b4 a3 22. Ba1 Ra4 23. Bh3 Ba6 24. Nde5 Qb5 25. Nc6 Qd3 26. Qe1 N4g5 27. Bg2 Qf5 28. Nh4 Qg4 29. Bxd5 Nf4 30. exf4 Nh3+ 31. Kh1 Rxe1+ 32. Rxe1 Qc8 33. Bf7 Bd3 34. Rd2 Ra8 35. Re3 Qd7 36. d5 Qxf7 37. Rexd3 Re8 38. Ng2 Qg6 39. Bd4 Bxf4 40. Be3 Bxe3 41. fxe3 Nf2+ 42. Rxf2 Qxd3 0-1

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "3.6"]
[White "Suarez, Pedro Martin"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2017"]
[BlackElo "2234"]
[PlyCount "45"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Nf3 exd4 5. Qxd4 Qxd4 6. Nxd4 a6 7. Bxc4 Nf6 8. a4 Be7 9. Nc3 0-0 10. 0-0 Rd8 11. b3 c5 12. Nde2 Nc6 13. Nf4 Nb4 14. e4 Bd6 15. Rd1 Bg4 16. Rxd6 Rxd6 17. e5 Nfd5 18. Ncxd5 Rd7 19. Ne3 g5 20. Nfd5 Nxd5 21. Nxd5 Kf8 22. Bxg5 Rb8 23. Bh6+ 1-0

[Event "South America-ch U18 16th"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.6"]
[White "Faingerch, Sebastian"]
[Black "Donoso Diaz, Sebastian"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1909"]
[BlackElo "2234"]
[PlyCount "116"]
[EventDate "2019.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 cxd4 6. Qxd4 Be6 7. Bg2 Nc6 8. Qd1 d4 9. Nce2 Bd5 10. Nf3 Qf6 11. Nf4 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 Bxf3 14. Bxf3 Nge7 15. Bg2 0-0 16. 0-0 Rfd8 17. Rad1 Rac8 18. Rfe1 Ng6 19. Nxg6 hxg6 20. Re4 Rd6 21. Rf4 Qe6 22. Bxc6 Rdxc6 23. Qxd4 Rc4 24. Qd2 Rxf4 25. Qxf4 Qxa2 26. Qg4 Rf8 27. Qb4 b6 28. Re1 Qd5 29. Qe4 Qxe4 30. Rxe4 Rc8 31. c4 Kf8 32. Kf1 Re8 33. Rxe8+ Kxe8 34. Ke2 g5 35. h3 Kd7 36. Kd3 Kd6 37. Kd4 a6 38. f3 f6 39. f4 gxf4 40. gxf4 f5 41. h4 g6 42. b3 a5 43. Kd3 Kc5 44. Kc3 b5 45. cxb5 Kxb5 46. Kb2 Kb4 47. Kc2 Kb5 48. Kb2 Kb6 49. Kc2 Kc6 50. Kd2 Kd6 51. Ke2 Ke6 52. Kd2 Kd6 53. Kc2 Kc5 54. Kc3 Kb5 55. Kb2 Kb4 56. Kc2 Kb5 57. Kb2 Kb4 58. Kc2 Kc5 1/2-1/2

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "8"]
[White "Ali Marandi, Cemil Can"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2537"]
[BlackElo "2234"]
[PlyCount "69"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. h3 Bf5 9. Nc3 Bb4 10. 0-0 Bxc3 11. bxc3 Nf6 12. Ba3 Qa5 13. Qb3 Qb6 14. Qa4 Qa5 15. Qxa5 Nxa5 16. Bb5+ Nc6 17. Ne5 Rc8 18. Rfe1 a6 19. Bxc6+ bxc6 20. Nc4 Rc7 21. Nd6+ Kd8 22. Bc5 Rd7 23. Bb6+ Rc7 24. Nxf7+ Kd7 25. Nxh8 Rb7 26. Bc5 Nd5 27. Nf7 Nxc3 28. Ne5+ Kc7 29. Rac1 Nxa2 30. Ra1 Rb2 31. Nc4 Rc2 32. Ne3 Rb2 33. Nxf5 exf5 34. Re7+ Kd8 35. Rae1 1-0

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "5"]
[White "Boyer, Mahel"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2309"]
[BlackElo "2234"]
[PlyCount "48"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nf6 6. Nc3 Be7 7. Nf3 0-0 8. 0-0 Nc6 9. h3 h6 10. Qc2 Bd6 11. a3 a5 12. Re1 Bd7 13. Bxh6 gxh6 14. Qg6+ Kh8 15. Qxh6+ Nh7 16. Ne4 Be7 17. Ne5 Nxe5 18. dxe5 Bg5 19. Qh5 Qe7 20. Rad1 Bc6 21. Bd3 f5 22. exf6 Bxf6 23. Nxf6 Qg7 24. Nxh7 Qxg2# 0-1

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "1"]
[White "Donoso Diaz, Sebastian"]
[Black "Astaneh Lopez, Alex"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2234"]
[BlackElo "2430"]
[PlyCount "62"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 c5 4. Nc3 Be7 5. d4 cxd4 6. exd4 d5 7. Bd3 a6 8. 0-0 dxc4 9. Bxc4 b5 10. Bb3 Bb7 11. Re1 0-0 12. Bg5 Nbd7 13. Ne5 b4 14. Na4 Nd5 15. Bxe7 Nxe7 16. Rc1 Rc8 17. Nc5 Nxc5 18. dxc5 Qxd1 19. Rexd1 Bd5 20. Kf1 Rc7 21. Ba4 Rfc8 22. Bd7 Rd8 23. c6 f6 24. Nd3 a5 25. Nc5 Kf7 26. Ke2 Nxc6 27. Nxe6 Rcxd7 28. Nxd8+ Nxd8 29. Rc5 Ke6 30. f4 Nb7 31. Rb5 Bc4+ 0-1

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Kantans, Toms"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2234"]
[BlackElo "2490"]
[PlyCount "94"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. e3 Nf6 4. Nc3 e5 5. d4 e4 6. Ne5 h5 7. Nxc6 dxc6 8. h3 Bf5 9. Be2 Qc7 10. d5 Bd6 11. dxc6 bxc6 12. Bd2 Rb8 13. b3 Qe7 14. Qc2 Nd7 15. 0-0-0 h4 16. Bg4 g6 17. Ne2 Bxg4 18. hxg4 Nf6 19. Bc3 Be5 20. Bxe5 Qxe5 21. Qc3 Qxc3+ 22. Nxc3 Nxg4 23. Nxe4 f5 24. Nd6+ Ke7 25. Rhe1 Rhd8 26. e4 Rxd6 27. exf5+ Kd7 28. fxg6 Rg8 29. Rxd6+ Kxd6 30. f3 Ne5 31. Rd1+ Ke6 32. Re1 Kf5 33. Re4 Nxg6 34. Rg4 Re8 35. Kd2 Re7 36. Kd1 Rh7 37. Kd2 Ne5 38. Rg8 Ng6 39. Rc8 Nf4 40. Rxc6 Nxg2 41. Rxc5+ Kf4 42. Rc8 Ne3 43. Rg8 h3 44. Rg1 h2 45. Rh1 Kxf3 46. c5 Ng4 47. Kd3 Nf2+ 0-1

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Sidorika, Vladislav"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2234"]
[BlackElo "2301"]
[PlyCount "117"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. Nc3 Bb4 5. e3 Bb7 6. a3 Be7 7. d5 d6 8. Be2 0-0 9. 0-0 e5 10. b4 a5 11. Bb2 Nbd7 12. Qc2 Ne8 13. e4 g6 14. Nd2 Ng7 15. Bg4 f5 16. exf5 gxf5 17. Bh3 Bg5 18. Rae1 Bh6 19. Nb5 Ba6 20. Nf3 axb4 21. axb4 Bxb5 22. cxb5 Ra7 23. Bc1 Bxc1 24. Rxc1 Qa8 25. Ng5 Qxd5 26. Rfd1 Qxb5 27. Qb3+ d5 28. Rxd5 Ra3 29. Qd1 Qxb4 30. Rxd7 Qf4 31. Qd5+ Kh8 32. Qd2 Qxd2 33. Rxd2 c5 34. Rd7 h6 35. Nf3 e4 36. Nh4 Kh7 37. Nxf5 Rg8 38. Nxg7 Rxg7 39. Bf5+ Kg8 40. Rxg7+ Kxg7 41. Bxe4 Kf6 42. f4 Ra4 43. Re1 b5 44. Bc6 Rb4 45. Re5 Rb1+ 46. Kf2 Rb2+ 47. Kg3 c4 48. Rxb5 Rd2 49. Rc5 Rd3+ 50. Kg4 c3 51. Be4 Rd4 52. Rc6+ Kf7 53. Bf5 Rd2 54. g3 h5+ 55. Kg5 Rxh2 56. Rxc3 Rg2 57. Rc7+ Ke8 58. Kf6 Rxg3 59. Rc8# 1-0

[Event "Titled Tuesday intern op 5th Nov"]
[Site "Chess.com INT"]
[Date "2019.11.05"]
[Round "10"]
[White "Migot, Tangi"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2387"]
[BlackElo "2234"]
[PlyCount "70"]
[EventDate "2019.11.05"]
[EventType "swiss (blitz)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. f4 d5 9. Qf3 Nf6 10. e5 Nd7 11. 0-0 Bc5+ 12. Kh1 Bb7 13. Qg3 g6 14. Rb1 h5 15. b4 Ba7 16. Na4 h4 17. Qh3 d4 18. c4 dxc3 19. Nxc3 c5 20. Ne4 Bd5 21. Nd6+ Kf8 22. Bxa6 cxb4 23. Bd2 Bc5 24. Bc4 Ra3 25. Bb3 Bxd6 26. exd6 Qxd6 27. Bxd5 Rxh3 28. Bxb4 Nc5 29. Bf3 Rxf3 30. Rxf3 Kg7 31. Rc1 Rc8 32. Rfc3 h3 33. Bxc5 Qd5 34. R3c2 Rxc5 35. Rxc5 Qxg2# 0-1

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.25"]
[Round "11"]
[White "Anuj, Shrivatri"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2390"]
[BlackElo "2203"]
[PlyCount "63"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bg4 3. Ne5 Bf5 4. c4 dxc4 5. Nc3 Nd7 6. Nxc4 Ngf6 7. g3 Nb6 8. Ne5 e6 9. Bg2 Rb8 10. e4 Bg6 11. Be3 Bb4 12. 0-0 0-0 13. Nxg6 hxg6 14. Qe2 Bxc3 15. bxc3 Qd7 16. Rab1 Qc6 17. Qd3 Rfd8 18. Bg5 e5 19. f4 exd4 20. e5 Qc5 21. Qb5 Qxc3 22. exf6 d3 23. Qe5 Qa3 24. fxg7 Re8 25. Qd4 Re2 26. Bf3 c5 27. Qd6 Rbe8 28. Bh6 R2e7 29. f5 gxf5 30. Rb3 Qa6 31. Rxd3 Kh7 32. Qxe7 1-0

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.24"]
[Round "10"]
[White "Donoso Diaz, Sebastian"]
[Black "Muthaiah, Al"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2203"]
[BlackElo "2370"]
[PlyCount "50"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. e3 d5 4. b3 Be7 5. Bb2 b6 6. Nc3 0-0 7. cxd5 exd5 8. d4 Nbd7 9. Bd3 a6 10. 0-0 Bb7 11. Rc1 Bd6 12. Ne2 Qe7 13. Nf4 Ne4 14. Bb1 Ng5 15. Nd3 Nxf3+ 16. Qxf3 Nf6 17. Ne5 Ne4 18. Nc6 Qe8 19. Ne5 f6 20. Nd3 Nd2 21. Qh3 Bc8 22. Qh4 Bf5 23. Rfd1 Nxb1 24. b4 a5 25. bxa5 Rxa5 0-1

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.23"]
[Round "9"]
[White "Neelash, Saha"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2334"]
[BlackElo "2203"]
[PlyCount "156"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Nbd2 Bd6 8. Qb3 Qd7 9. Qb4 b5 10. Qxb5 Rb8 11. Qa6 Nge7 12. a3 0-0 13. b4 Ng6 14. Bb2 Bh3 15. Rfc1 Bxg2 16. Kxg2 Nce5 17. Nxe5 Bxe5 18. Kf1 Rb6 19. Qxa7 Nf4 20. Ke1 Qg4 21. Bf1 d3 22. Nc4 Ng2+ 23. Kd2 Qf4+ 24. Kxd3 Bxb2 25. Nxb2 Qxf2 26. Qxc7 Rbb8 27. Nc4 Rfd8+ 28. Kc3 Nf4 29. Qc5 Qxh2 30. Qe3 Ne6 31. Rd1 Rdc8 32. Rd2 Qe5+ 33. Rd4 Ra8 34. a4 f5 35. Rad1 f4 36. Qf2 Rxa4 37. Kb3 Qb5 38. Na3 Rc3+ 39. Kxc3 Rxa3+ 40. Kb2 Qa4 41. Rd8+ Kf7 42. R8d7+ Ke8 43. Rd8+ Kf7 44. R8d7+ Kg6 45. Qg1+ Rg3 46. Qxg3+ fxg3 47. Kc3 Qa3+ 48. Kc4 g2 49. Bd3 Qa2+ 50. Kb5 Nf4 51. Bc4 Qf2 52. R1d6+ Kg5 53. Rxg7+ Ng6 54. Rd1 g1Q 55. Rxg1+ Qxg1 56. Rxh7 Qd4 57. Bd5 Nf4 58. Rc7 Nd3 59. Rc4 Qa7 60. Rc3 Ne5 61. Rg3+ Kf6 62. Rg8 Nd7 63. Re8 Qb6+ 64. Kc4 Qa6+ 65. Kd4 Qa7+ 66. Kc3 Kg5 67. Re7 Qe3+ 68. Kc4 Qe2+ 69. Kd4 Qb2+ 70. Kc4 Ne5+ 71. Kc5 Qc3+ 72. Kd6 Qxb4+ 73. Ke6 Ng6 74. Rb7 Qa4 75. Kd6 Qa3+ 76. Ke6 Qa6+ 77. Kd7 Ne5+ 78. Kc7 Qf6 0-1

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.22"]
[Round "8"]
[White "Donoso Diaz, Sebastian"]
[Black "Aravena Navarro, Alexis Andres"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2203"]
[BlackElo "2023"]
[PlyCount "71"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Nbd7 7. Nf3 e5 8. d5 Nc5 9. Nd2 a5 10. g4 Nfd7 11. h4 f5 12. gxf5 gxf5 13. exf5 Nf6 14. h5 Bxf5 15. h6 Bh8 16. Rg1+ Kf7 17. Bxc5 dxc5 18. Nf3 Ng4 19. Qd2 Rg8 20. 0-0-0 e4 21. Qf4 Bxc3 22. Rxg4 Bxb2+ 23. Kxb2 Qf6+ 24. Ne5+ Ke7 25. Rg7+ Rxg7 26. hxg7 Kd6 27. Bh3 Qxg7 28. Qxf5 Qxe5+ 29. Qxe5+ Kxe5 30. d6 cxd6 31. Rd5+ Kf6 32. Rxd6+ Kg5 33. Rd5+ Kh4 34. Bf5 b6 35. Bxe4 Re8 36. Bf3 1-0

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.21"]
[Round "7"]
[White "Batsuren, Dambasuren"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2454"]
[BlackElo "2203"]
[PlyCount "75"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 b5 4. Bg2 e6 5. 0-0 Be7 6. Qd3 Ba6 7. Ne5 0-0 8. a3 Ne8 9. Nd2 b4 10. Qe3 Nd6 11. g4 bxa3 12. b3 Bb7 13. Bxa3 Nd7 14. f4 Re8 15. c4 Nf8 16. Rfc1 Rb8 17. Nd3 h5 18. h3 Nh7 19. Bxd6 cxd6 20. Rxa7 Bf6 21. c5 hxg4 22. hxg4 dxc5 23. dxc5 Bc6 24. g5 Nxg5 25. fxg5 Bxg5 26. Qf2 f5 27. Rd1 Re7 28. Rxe7 Qxe7 29. Nf3 Bf6 30. Nd4 Bxd4 31. Qxd4 Rxb3 32. Ra1 Qg5 33. Qe5 Qh6 34. Nf4 Kh8 35. Nxe6 Re3 36. Qb8+ Kh7 37. Nd4 Re8 38. Qh2 1-0

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.19"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Dobrovoljc, Vid"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2203"]
[BlackElo "2389"]
[PlyCount "56"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 a5 8. Nf3 Na6 9. g4 Nd7 10. Be2 Ndc5 11. Rg1 Kh8 12. Qd2 c6 13. 0-0-0 a4 14. dxc6 bxc6 15. Qxd6 Qa5 16. Nxe5 a3 17. Nxc6 axb2+ 18. Kb1 Qxc3 19. Bd4 Qxd4 20. Rxd4 Bb7 21. e5 Bxc6 22. Qxc6 Rfc8 23. Qd6 Nb4 24. Kxb2 Rxa2+ 25. Kc3 Ra3+ 26. Kb2 Ra2+ 27. Kc3 Ra3+ 28. Kb2 Ra2+ 1/2-1/2

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.18"]
[Round "5"]
[White "Hollan, Martin"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2403"]
[BlackElo "2203"]
[PlyCount "85"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 a6 8. 0-0 h5 9. Re1 Nxd4 10. Qxd4 Bc5 11. Bf4 d6 12. Qd2 e5 13. Be3 Be6 14. Bxc5 Qxc5 15. Nd5 Bxd5 16. exd5 Rc8 17. Bh3 Rd8 18. Rad1 h4 19. Kg2 hxg3 20. hxg3 Rh5 21. g4 Rh8 22. f4 Kf8 23. fxe5 dxe5 24. Rxe5 Qc4 25. Qd3 Qf4 26. Rf5 Qd6 27. Qf3 Re8 28. Rf1 Qc5 29. d6 Qxd6 30. g5 Qd2+ 31. Rf2 Qc1 32. gxf6 g6 33. Rd5 Kg8 34. Re2 Rf8 35. c3 Rh4 36. Rd4 Rh5 37. Qe3 Qb1 38. Rg4 Kh7 39. Qe7 Qd1 40. Rg3 Rh4 41. Rg4 Rh5 42. Rd4 Rg5+ 43. Bg4 1-0

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.17"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Nigmatov, Ortik"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2203"]
[BlackElo "2494"]
[PlyCount "71"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 Qe8 7. g4 b6 8. Be3 Bb7 9. Nd2 Nc6 10. d5 Nb8 11. h4 e6 12. h5 exd5 13. exd5 Nbd7 14. Be2 Nc5 15. Qc2 c6 16. g5 Nfd7 17. dxc6 Bxc6 18. Rh4 a6 19. Nde4 Nxe4 20. Nxe4 Qe5 21. 0-0-0 Rfe8 22. Nxd6 Re6 23. Rhd4 Bf8 24. Nxf7 Kxf7 25. Rxd7+ Bxd7 26. Rxd7+ Re7 27. Rd4 Bg7 28. Bf3 Rc8 29. hxg6+ Kg8 30. Bd5+ Kh8 31. Rh4 Re6 32. Rxh7+ Kg8 33. Bd2 Rc7 34. Rh3 Kf8 35. Rf3+ Ke8 36. Bxe6 1-0

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.17"]
[Round "3"]
[White "Zrikem, Nassim"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2125"]
[BlackElo "2203"]
[PlyCount "73"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. Nbd2 Nc6 6. c3 Bd6 7. 0-0 0-0 8. dxc5 Bxc5 9. e4 Qc7 10. Qe2 h6 11. Bc2 Bb6 12. exd5 exd5 13. Nb3 Re8 14. Qd3 Bg4 15. Nfd4 Rac8 16. Bd1 Ne5 17. Qc2 Nc4 18. h3 Bd7 19. Bf3 Qe5 20. Bd2 Nxd2 21. Qxd2 Bc7 22. g3 Bxh3 23. Rfe1 Ne4 24. Qe2 Qg5 25. Bxe4 Rxe4 26. Qd2 Bf4 27. Qd3 Rce8 28. Re2 Rxe2 29. Nxe2 Bf5 30. Qb5 Bd7 31. Qxd7 Rxe2 32. Nd4 Rxb2 33. Nf3 Qg6 34. Nh4 Qc2 35. Qc8+ Kh7 36. Rf1 Bxg3 37. Qf5+ 0-1

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.16"]
[Round "2"]
[White "Donoso Diaz, Sebastian"]
[Black "Tica, Sven"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2203"]
[BlackElo "2418"]
[PlyCount "60"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 b6 5. Bb2 Bb7 6. cxd5 exd5 7. g3 Nbd7 8. d4 Bd6 9. Bg2 Ba6 10. Nc3 0-0 11. Nd2 c6 12. Ne2 Qe7 13. 0-0 Rac8 14. Re1 Rfd8 15. Nf4 Bb7 16. Nf3 Ne4 17. Nd3 c5 18. Nde5 Nxe5 19. Nxe5 f6 20. Nf3 c4 21. bxc4 dxc4 22. Nh4 Bb4 23. Nf5 Qd7 24. Qg4 Bxe1 25. Rxe1 Nd6 26. Nh6+ Kh8 27. Qxd7 Rxd7 28. Bh3 Rdc7 29. d5 c3 30. Ba3 Rd8 0-1

[Event "Wch U20 58th"]
[Site "New Delhi"]
[Date "2019.10.15"]
[Round "1"]
[White "Rahul, Srivatshav P"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2460"]
[BlackElo "2203"]
[PlyCount "59"]
[EventDate "2019.10.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. e4 e5 6. c3 Nge7 7. d3 d5 8. exd5 Nxd5 9. Nbd2 0-0 10. Re1 b6 11. Nc4 Re8 12. Ng5 f6 13. Qb3 Nce7 14. Ne4 Be6 15. f4 h6 16. a4 Nf5 17. fxe5 fxe5 18. a5 Rb8 19. axb6 Nxb6 20. Nxc5 Nxc4 21. Nxe6 Qxd3 22. Nc5 Rxb3 23. Nxd3 Kh8 24. Bd5 Nfd6 25. Rxa7 e4 26. Nf4 g5 27. Nh5 Bf8 28. Nf6 Re7 29. Rxe7 Bxe7 30. Nxe4 1-0

[Event "Wch U18"]
[Site "Mumbai"]
[Date "2019.10.10"]
[Round "9"]
[White "Rahul, Srivatshav P"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2460"]
[BlackElo "2203"]
[PlyCount "49"]
[EventDate "2019.10.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. b3 Nf6 4. Bb2 e6 5. g3 d5 6. cxd5 exd5 7. Bg2 Bg4 8. 0-0 Bxf3 9. Bxf3 h5 10. h4 Bd6 11. e3 Rh6 12. Nc3 Qe7 13. Nxd5 Nxd5 14. Bxd5 0-0-0 15. Bxc6 bxc6 16. Qf3 Rg6 17. Rac1 Qd7 18. Kg2 Rg4 19. d4 cxd4 20. Rxc6+ Kb8 21. Bxd4 g5 22. Rd1 gxh4 23. Be5 Bxe5 24. Rxd7 Rxd7 25. Qf5 1-0

[Event "Wch U18"]
[Site "Mumbai"]
[Date "2019.10.07"]
[Round "7"]
[White "Pultinevicius, Paulius"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2503"]
[BlackElo "2203"]
[PlyCount "73"]
[EventDate "2019.10.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d5 7. Nc3 Nf6 8. Ne5 0-0 9. 0-0 e6 10. Bf4 Nh5 11. Nxc6 bxc6 12. Be3 f5 13. Qd2 f4 14. Bxf4 Nxf4 15. gxf4 Qh4 16. e3 Rf5 17. Ne2 Rh5 18. h3 e5 19. dxe5 Bxh3 20. Ng3 Bxe5 21. Rfc1 Bxg2 22. Kxg2 Qh3+ 23. Kf3 Rh4 24. Rxc6 d4 25. fxe5 Qg4+ 26. Kg2 Qh3+ 27. Kg1 Qh2+ 28. Kf1 Rg4 29. Ke2 Rxg3 30. Qxd4 Rg2 31. Rf6 Rc8 32. Rc1 Re8 33. Qd5+ Kh8 34. Qf3 Kg8 35. Rc7 Qxe5 36. Rxg6+ Kh8 37. Rxh7+ 1-0

[Event "Wch U18"]
[Site "Mumbai"]
[Date "2019.10.06"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Bykov, Oleg1111"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2203"]
[BlackElo "2370"]
[PlyCount "99"]
[EventDate "2019.10.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qb3 b6 9. Nc3 Ba6 10. cxd5 cxd5 11. Ne5 Bb7 12. Rfc1 Nc6 13. Nxc6 Bxc6 14. a4 Qd7 15. a5 bxa5 16. Rxa5 Rfb8 17. Qc2 Bb4 18. Ra2 Rc8 19. e3 a5 20. Bf1 g6 21. Bd3 e5 22. dxe5 Ng4 23. Ne2 d4 24. Bxb4 Qd5 25. Be4 Qxa2 26. Nxd4 Nxe5 27. Nxc6 Nxc6 28. Bc3 Nb4 29. Qd1 Rd8 30. Qf3 Ra6 31. Rd1 Rf8 32. Bd5 Nxd5 33. Rxd5 Qc4 34. h4 a4 35. Rd4 Qb3 36. Rb4 Qc2 37. Rc4 Qd3 38. Rxa4 Rd6 39. Kh2 Qf1 40. Rd4 Rxd4 41. Bxd4 Qa6 42. Qf4 f6 43. b4 Qb7 44. Qd6 Qf3 45. Qe6+ Rf7 46. e4 g5 47. hxg5 fxg5 48. Qe5 Qh5+ 49. Kg2 Qf3+ 50. Kh2 1/2-1/2

[Event "Wch U18"]
[Site "Mumbai"]
[Date "2019.10.03"]
[Round "3"]
[White "Blohberger, Felix"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2448"]
[BlackElo "2203"]
[PlyCount "57"]
[EventDate "2019.10.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 Qc7 8. a3 Be7 9. Be2 0-0 10. f4 d6 11. Be3 Nbd7 12. b4 b6 13. g4 g5 14. f5 Ne5 15. Qd2 h6 16. h4 Nfxg4 17. Bxg4 Nxg4 18. hxg5 Nxe3 19. f6 Nxc4 20. Qh2 Ne5 21. Rc1 Ng4 22. Qh4 e5 23. Nf5 Bxf5 24. exf5 Qc4 25. Rg1 h5 26. Qxh5 Qf4 27. Rxg4 Qxc1+ 28. Nd1 Rfc8 29. Rh4 1-0

[Event "Wch U18"]
[Site "Mumbai"]
[Date "2019.10.02"]
[Round "1"]
[White "Iniyan, Panneerseluam"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2509"]
[BlackElo "2203"]
[PlyCount "43"]
[EventDate "2019.10.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Bd6 11. Nbd2 Nge7 12. b3 0-0 13. Bb2 e5 14. Ne1 Rf6 15. Rc1 h5 16. Nd3 Rbf8 17. f4 exf4 18. Nf3 Re6 19. Qc4 Kh8 20. e5 Nxe5 21. Nfxe5 Bxe5 22. Nc5 1-0

[Event "CHI-chT"]
[Site "Santiago de Chile"]
[Date "2019.09.26"]
[Round "3.1"]
[White "Abarca Gonzalez, Nicolas"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2430"]
[BlackElo "2193"]
[PlyCount "39"]
[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 "Chile CC"]
[BlackTeam "San Martin Juridico Epiro"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bc5 7. Nb3 Be7 8. 0-0 Nc6 9. f4 d6 10. Be3 Nf6 11. Qf3 e5 12. Nd5 0-0 13. Rad1 Kh8 14. Nxe7 Qxe7 15. f5 a5 16. Bxb5 Bb7 17. Bd3 a4 18. Nd2 a3 19. bxa3 Rxa3 20. Ra1 1-0

[Event "CHI-chT"]
[Site "Santiago de Chile"]
[Date "2019.09.12"]
[Round "2.1"]
[White "Ulloa Grez, Luis Antonio"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2086"]
[BlackElo "2193"]
[PlyCount "100"]
[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 "Plaza de Armas CC"]
[BlackTeam "San Martin Juridico Epiro"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 d5 5. d3 Nf6 6. e5 Nfd7 7. Be2 b5 8. 0-0 b4 9. Nb1 Nc6 10. Qe1 Bb7 11. Bd1 g6 12. Be3 a5 13. Kh1 Qc7 14. a3 0-0-0 15. axb4 axb4 16. c3 f6 17. exf6 Nxf6 18. Ng5 Re8 19. Qf2 h6 20. Nh3 Nd7 21. Bf3 Bd6 22. cxb4 Nxb4 23. Qd2 Bc6 24. Bg1 g5 25. d4 c4 26. Bh5 Ref8 27. Nc3 gxf4 28. Na4 Rhg8 29. Bf3 Qb7 30. b3 cxb3 31. Qc3 Na2 32. Rxa2 bxa2 33. Ra1 Kc7 34. Qa5+ Kb8 35. Rxa2 Bb4 36. Qxb4 Qxb4 37. Rb2 Qxb2 38. Nxb2 Bb5 39. Nf2 Nf6 40. Nfd3 Bxd3 41. Nxd3 Ne4 42. Ne5 Kc7 43. Bh5 Rg5 44. Bf3 Rgg8 45. Nd3 Rf7 46. Be2 h5 47. Bf3 Ra8 48. Nf2 Nxf2+ 49. Bxf2 Ra1+ 50. Bg1 e5 0-1

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.08"]
[Round "7"]
[White "Donoso Diaz, Sebastian"]
[Black "De Albuquerque, Ian Telek C"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2193"]
[BlackElo "1922"]
[PlyCount "61"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. h4 Bg7 8. h5 0-0 9. Bc4 Nc6 10. Qc2 Bf5 11. e4 Bg4 12. hxg6 hxg6 13. Nh2 Bd7 14. 0-0 Ne5 15. Be2 Qc7 16. a4 Rad8 17. Ba3 Be6 18. d3 b6 19. Rac1 Rd7 20. Bb2 Rc8 21. Qb1 Bh6 22. f4 Nc6 23. f5 gxf5 24. exf5 Be3+ 25. Kh1 Bb3 26. Rf3 Bxc1 27. Qxc1 f6 28. Qh6 e6 29. Ng4 exf5 30. Nxf6+ Kf7 31. Qh7+ 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.07"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Ramos, Angelo Bil"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2193"]
[BlackElo "1960"]
[PlyCount "87"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 a5 9. g4 Nc5 10. Nd2 Nfd7 11. h4 f5 12. gxf5 gxf5 13. h5 f4 14. Bxc5 Nxc5 15. h6 Bf6 16. Nb3 Nd7 17. Na4 Kh8 18. Bh3 Rg8 19. Be6 Rg5 20. Nd2 Nf8 21. Bxc8 Rxc8 22. Qb3 b6 23. Qh3 Qd7 24. Ke2 Qxh3 25. Rxh3 Nd7 26. a3 Rg6 27. Nc3 Bg5 28. Rb1 Be7 29. b4 axb4 30. axb4 Ra8 31. Nb5 Bd8 32. Ra3 Rxa3 33. Nxa3 Nf6 34. Nb5 Kg8 35. Ra1 Kf8 36. Ra7 Ne8 37. Ra2 Ke7 38. Na7 Kd7 39. Nc6 Bf6 40. c5 bxc5 41. b5 Rxh6 42. Ra7 Kc8 43. b6 cxb6 44. Nc4 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.06"]
[Round "4"]
[White "Donoso Diaz, Sebastian"]
[Black "Rodrigues, Nei Jorge"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2193"]
[BlackElo "1910"]
[PlyCount "17"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 c5 3. c4 Nf6 4. cxd5 Nxd5 5. b3 g6 6. Bb2 Nf6 7. Qc2 b6 8. Bxf6 exf6 9. Qe4+ 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.06"]
[Round "5"]
[White "Rodriguez Vila, Andres"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2482"]
[BlackElo "2193"]
[PlyCount "29"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 g6 5. c3 Bg7 6. Bg2 Nge7 7. h4 d5 8. d3 b6 9. h5 dxe4 10. dxe4 Bb7 11. Na3 0-0 12. hxg6 hxg6 13. Bd2 Qc8 14. 0-0 Ba6 15. Qe1 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.05"]
[Round "2"]
[White "Donoso Diaz, Sebastian"]
[Black "Moyses Sobrinho, Elias"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2193"]
[BlackElo "1904"]
[PlyCount "64"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Be7 6. Bb2 0-0 7. Qc2 Nbd7 8. d4 dxc4 9. bxc4 Qa5 10. Bd3 h6 11. 0-0 Qc7 12. e4 e5 13. Ne2 exd4 14. Nexd4 Ng4 15. Be2 Bf6 16. h3 Nge5 17. Nd2 Ng6 18. c5 Nf4 19. Rfe1 Ne5 20. Bf1 Rd8 21. N2b3 Neg6 22. Rad1 Be5 23. Bc1 Qe7 24. Nf5 Bxf5 25. exf5 Rxd1 26. Qxd1 Rd8 27. Qf3 Nxg2 28. Bxg2 Nh4 29. Qe2 Re8 30. f4 Nxg2 31. Kxg2 Qf6 32. fxe5 Qxe5 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.05"]
[Round "3"]
[White "El Debs, Felipe de Cresce"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2544"]
[BlackElo "2193"]
[PlyCount "61"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Bb4 9. Nxc6 bxc6 10. f4 Bxc3 11. bxc3 Nxe4 12. Bd3 Nf6 13. Qf3 d6 14. Rab1 Ke7 15. c4 Rb8 16. Rxb8 Qxb8 17. c5 d5 18. Bd4 Ne8 19. c3 f6 20. Rb1 Qc7 21. Re1 Qa5 22. Qg3 Bd7 23. Re2 Qa3 24. h3 Kd8 25. Kh2 h5 26. h4 Rg8 27. Bg6 Qc1 28. Bf7 Rf8 29. Bxe6 g6 30. f5 gxf5 31. Qb8+ 1-0

[Event "Niteroi op 1st"]
[Site "Niteroi"]
[Date "2019.09.04"]
[Round "1"]
[White "Campos, Otavio Moraes"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1672"]
[BlackElo "2193"]
[PlyCount "76"]
[EventDate "2019.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Qc7 8. Nbd2 Nbd7 9. Qe2 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Qxe5 13. Nf3 Qc7 14. h3 Re8 15. 0-0-0 Qa5 16. Kb1 Be6 17. Ng5 c4 18. Bc2 d4 19. Ne4 d3 20. Nxf6+ gxf6 21. Qf3 dxc2+ 22. Kxc2 Qf5+ 23. Qxf5 Bxf5+ 24. Kc1 Rad8 25. Rd4 b5 26. Rf4 Re5 27. g4 Be4 28. Rg1 a5 29. Rxf6 b4 30. Rb6 bxc3 31. bxc3 Rd3 32. f4 Rxc3+ 33. Kb2 Rc2+ 34. Ka3 Rd5 35. f5 Rd3+ 36. Ka4 Rxa2+ 37. Kb5 Rb2+ 38. Kc5 Rd5+ 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.06"]
[Round "9"]
[White "Pinto, Daniel"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2257"]
[BlackElo "2309"]
[PlyCount "64"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Nc6 9. exd6 Bxd6 10. Be2 0-0 11. 0-0 b6 12. Bg5 Qc7 13. Rc1 h6 14. Be3 Ba3 15. Rc2 Rd8 16. c4 e5 17. d5 Nb8 18. Qd3 Bd6 19. h3 Na6 20. Qc3 Bf5 21. Rb2 Rac8 22. Rb3 Qe7 23. Qb2 Bd7 24. Nd2 f5 25. f3 Nc5 26. Bxc5 Bxc5+ 27. Kh1 Re8 28. Bd3 Qh4 29. Qc2 Qf4 30. g3 Qg5 31. Kg2 Bd6 32. Qb1 Qxd2+ 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.05"]
[Round "8"]
[White "Donoso Diaz, Sebastian"]
[Black "Huang, Andy"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2309"]
[BlackElo "2263"]
[PlyCount "97"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Be2 h6 6. Bb2 e6 7. 0-0 Nbd7 8. Ne5 Nxe5 9. Bxe5 Bd6 10. Bxd6 Qxd6 11. d4 0-0 12. Nd2 a5 13. Nf3 Ne4 14. c5 Qc7 15. Bd3 b6 16. Bxe4 Bxe4 17. cxb6 Qxb6 18. Ne5 Rfc8 19. Nd7 Qc7 20. Nc5 e5 21. dxe5 Qxe5 22. Qd4 Qxd4 23. exd4 Bf5 24. Rfe1 Kf8 25. f3 h5 26. Rac1 g6 27. Kf2 Rab8 28. Red1 Ke7 29. Ke3 Kd6 30. Kd2 h4 31. g3 Re8 32. g4 Bd7 33. Re1 g5 34. Rxe8 Rxe8 35. Nb7+ Kc7 36. Nxa5 f5 37. gxf5 Rf8 38. b4 Kb6 39. a4 Rxf5 40. Ke3 Be8 41. Nb3 Bh5 42. Nd2 Rf6 43. Rg1 Rf5 44. h3 Be8 45. Nb3 Bh5 46. Nd2 Be8 47. Nf1 Bd7 48. Nh2 Rf7 49. Ng4 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.05"]
[Round "7"]
[White "Titichoca Daza, Daniel Henry"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2143"]
[BlackElo "2309"]
[PlyCount "32"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be3 Nf6 8. Bd3 d6 9. f4 Nbd7 10. 0-0 Nc5 11. Qf3 Be7 12. b4 Nxd3 13. cxd3 Rc8 14. Rac1 Qd7 15. Nb3 0-0 16. Na5 Ba8 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.04"]
[Round "6"]
[White "Donoso Diaz, Sebastian"]
[Black "Zhang, Derek"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2309"]
[BlackElo "2147"]
[PlyCount "50"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 f5 3. c4 g6 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c6 8. b3 Qc7 9. Ba3 a5 10. Rc1 Na6 11. Bb2 Bd7 12. e3 Rfe8 13. Qe2 e5 14. dxe5 dxe5 15. Rfd1 e4 16. Ng5 Nb4 17. c5 Nd3 18. Rxd3 exd3 19. Qxd3 Be6 20. Nxe6 Rxe6 21. Ne2 Re7 22. Nd4 Rc8 23. a3 Ne4 24. b4 axb4 25. axb4 Ng5 1/2-1/2

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.03"]
[Round "4"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1820"]
[BlackElo "2309"]
[PlyCount "51"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 a6 5. e3 b5 6. a4 b4 7. Nb1 e6 8. Bxc4 Be7 9. 0-0 0-0 10. Qe2 c5 11. Re1 cxd4 12. exd4 Bb7 13. Nbd2 Nbd7 14. Nb3 Bd5 15. a5 Bxc4 16. Qxc4 Qc8 17. Qd3 Qb7 18. Be3 Rfd8 19. Rac1 h6 20. Qe2 Nd5 21. Rc2 Rac8 22. Rec1 Bd6 23. Nc5 Bxc5 24. dxc5 Nb8 25. Ne5 Nc6 26. Nc4 0-1

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.03"]
[Round "5"]
[White "Donoso Diaz, Sebastian"]
[Black "Davila Blanco, Juan Jose"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2309"]
[BlackElo "2052"]
[PlyCount "65"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. e3 Bb7 5. d4 cxd4 6. exd4 g6 7. d5 d6 8. Be2 Bg7 9. 0-0 Nbd7 10. Re1 0-0 11. Bg5 h6 12. Bh4 Rc8 13. Rc1 Ng4 14. Nd4 Nge5 15. f4 Nxc4 16. Nc6 Nxb2 17. Qb3 Bxc6 18. dxc6 Rxc6 19. Bb5 Rc7 20. Bf2 Rc8 21. Qxb2 e6 22. Bxd7 Qxd7 23. Qb5 Qb7 24. Qb4 d5 25. Nb5 Rxc1 26. Rxc1 Rc8 27. Qb2 Rxc1+ 28. Qxc1 Qd7 29. a4 a6 30. Qc7 Qxc7 31. Nxc7 b5 32. Nxb5 axb5 33. axb5 1-0

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.02"]
[Round "3"]
[White "Caballero Quijano, Mitzy Mishell"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2059"]
[BlackElo "2309"]
[PlyCount "37"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ Nbd7 5. Nc3 e6 6. e4 Be7 7. Bxc4 0-0 8. Qc2 c6 9. 0-0 h6 10. h3 b5 11. Bd3 a6 12. Rd1 Bb7 13. e5 Nd5 14. Nxd5 cxd5 15. Bf4 Rc8 16. Qd2 Re8 17. Nh2 g5 18. Ng4 h5 19. Nh2 1-0

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.02"]
[Round "2"]
[White "Donoso Diaz, Sebastian"]
[Black "Bracamonte, Humberto"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2309"]
[BlackElo "1516"]
[PlyCount "56"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. e3 a5 4. a3 Be7 5. b3 0-0 6. Bb2 d6 7. d4 Re8 8. h3 Bf8 9. Bd3 Nbd7 10. 0-0 g6 11. Bc2 Bg7 12. e4 e5 13. d5 Nc5 14. Nc3 Qe7 15. Ne1 Nh5 16. b4 Nd7 17. Rb1 Nf4 18. Ne2 Nf6 19. Nxf4 exf4 20. Nf3 axb4 21. axb4 Bd7 22. e5 dxe5 23. Bxe5 Nh5 24. Bxc7 Rac8 25. Re1 Qf6 26. Be5 Qa6 27. c5 Bb5 28. Ra1 Ba4 1-0

[Event "Pan American-ch U20"]
[Site "Cochabamba"]
[Date "2019.08.01"]
[Round "1"]
[White "Castellanos Villela, Alejandro"]
[Black "Donoso Diaz, Sebastian"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "1985"]
[BlackElo "2309"]
[PlyCount "87"]
[EventDate "2019.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 Be7 9. f4 d6 10. Qe1 0-0 11. Qg3 Kh8 12. Rad1 Bd7 13. Bd3 Nb4 14. a3 Nxd3 15. cxd3 b5 16. Qf3 Rab8 17. g4 b4 18. Nce2 bxa3 19. bxa3 Rb2 20. g5 Ng8 21. Ng3 f6 22. Qh5 g6 23. Qh4 Qd8 24. Nf3 fxg5 25. Nxg5 Bxg5 26. Qxg5 Qxg5 27. fxg5 Rxf1+ 28. Nxf1 Rb3 29. d4 Rxa3 30. Bf4 Ra5 31. h4 e5 32. dxe5 dxe5 33. Rxd7 exf4 34. Nd2 Re5 35. Ra7 Re6 36. Kf2 Ne7 37. Kf3 Nc6 38. Ra8+ Kg7 39. Kxf4 Nb4 40. Nc4 Re7 41. Ne5 Rc7 42. Ng4 Nd3+ 43. Ke3 Nc5 44. Nh6 1-0

[Event "Pan American-ch U18"]
[Site "Guayaquil"]
[Date "2019.07.27"]
[Round "9"]
[White "Donoso Diaz, Sebastian"]
[Black "Vasquez Jimenez, Cristhian"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2239"]
[BlackElo "2022"]
[PlyCount "61"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 d6 9. Bg2 Nxc3 10. Rxc3 0-0 11. d5 Nb8 12. 0-0 e5 13. b4 a5 14. a3 Na6 15. Qb1 b6 16. Ne1 Bg4 17. Re3 Qd7 18. f4 f6 19. f5 Bh5 20. g4 Bxg4 21. Qe4 Bh5 22. Qh4 Be8 23. Be4 axb4 24. axb4 Nxb4 25. Rh3 h5 26. Kf2 Na6 27. Nd3 b5 28. c5 dxc5 29. Rg1 c4 30. Nxe5 fxe5 31. Rf3 1/2-1/2

[Event "Pan American-ch U18"]
[Site "Guayaquil"]
[Date "2019.07.26"]
[Round "8"]
[White "Mayeregger, Arnold"]
[Black "Donoso Diaz, Sebastian"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1977"]
[BlackElo "2239"]
[PlyCount "64"]
[EventDate "2019.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Bf5 4. Bxf6 gxf6 5. e3 c6 6. Bd3 Bxd3 7. Qxd3 Nd7 8. c4 dxc4 9. Qxc4 Qa5+ 10. Nc3 Rg8 11. g3 e6 12. 0-0 0-0-0 13. a3 Qf5 14. Kg2 h5 15. Qe2 Qh7 16. e4 f5 17. b4 Kb8 18. Ne5 Nxe5 19. dxe5 f4 20. Rad1 Be7 21. Rxd8+ Bxd8 22. Na4 fxg3 23. fxg3 h4 24. Nc5 hxg3 25. hxg3 Rh8 26. Rd1 Bc7 27. a4 Kc8 28. Qd3 Qh2+ 29. Kf1 Qb2 30. Qf3 Qxb4 31. Nd7 Qc4+ 32. Kg2 Qc2+ 0-1

