[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.30"]
[Round "10"]
[White "Piasetski, Leon David"]
[Black "Contreras Huaman, Fiorella Daiana"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2153"]
[BlackElo "2341"]
[PlyCount "87"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Nc3 Nbd7 7. Be2 h6 8. d4 Bd6 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Bb4 12. Rfd1 Bxc3 13. Bxc3 Ne4 14. Bb4 Re8 15. Nd2 a5 16. Ba3 f5 17. Nf1 Qh4 18. Qc2 g6 19. f3 Nef6 20. Bd6 Kh7 21. a4 Nh5 22. Rab1 Qd8 23. Qc3 Nhf6 24. c5 g5 25. b4 axb4 26. Rxb4 Qa5 27. Qb2 Ra7 28. Ra1 Qa6 29. a5 Rc8 30. Qc2 g4 31. Ng3 gxf3 32. gxf3 Rg8 33. Kh1 Kh8 34. Ne2 Raa8 35. Nf4 Rae8 36. Rab1 Rg7 37. Qf2 Qxa5 38. Rxb7 Qc3 39. R7b3 Qc4 40. Nd3 Ra8 41. h3 Kh7 42. Ne5 Qa6 43. Nxd7 Nxd7 44. Bf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.30"]
[Round "10"]
[White "Piasetski, Leon David"]
[Black "Contreras Huaman, Fiorella Daiana"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2153"]
[BlackElo "2341"]
[PlyCount "87"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Nc3 Nbd7 7. Be2 h6 8. d4 Bd6 9. Bd3 Bxd3 10. Qxd3 0-0 11. 0-0 Bb4 12. Rfd1 Bxc3 13. Bxc3 Ne4 14. Bb4 Re8 15. Nd2 a5 16. Ba3 f5 17. Nf1 Qh4 18. Qc2 g6 19. f3 Nef6 20. Bd6 Kh7 21. a4 Nh5 22. Rab1 Qd8 23. Qc3 Nhf6 24. c5 g5 25. b4 axb4 26. Rxb4 Qa5 27. Qb2 Ra7 28. Ra1 Qa6 29. a5 Rc8 30. Qc2 g4 31. Ng3 gxf3 32. gxf3 Rg8 33. Kh1 Kh8 34. Ne2 Raa8 35. Nf4 Rae8 36. Rab1 Rg7 37. Qf2 Qxa5 38. Rxb7 Qc3 39. R7b3 Qc4 40. Nd3 Ra8 41. h3 Kh7 42. Ne5 Qa6 43. Nxd7 Nxd7 44. Bf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.29"]
[Round "9"]
[White "Marrujo Pardo, Mauricio Emmanuel"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2349"]
[BlackElo "2153"]
[PlyCount "102"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 h6 7. h5 g5 8. f4 gxf4 9. Bxf4 Bb7 10. 0-0-0 Nd7 11. Nf3 Ngf6 12. e5 b4 13. Nb1 Nd5 14. Rh4 Nf8 15. Bd3 Ne6 16. Bh2 Ng5 17. Qe2 e6 18. Nbd2 Nc3 19. bxc3 bxc3 20. Rf4 cxd2+ 21. Rxd2 Qe7 22. Rd1 Bxf3 23. Rxf3 Nxf3 24. Qxf3 d5 25. Qg4 Qg5+ 26. Qxg5 hxg5 27. g4 Bf8 28. Bg1 Bb4 29. Be3 c5 30. Bxg5 Rg8 31. Bf6 Rxg4 32. h6 Rg2 33. a4 c4 34. h7 Kd7 35. h8Q Rxh8 36. Bxh8 cxd3 37. Rxd3 Rg4 38. Bf6 Be7 39. Bxe7 Kxe7 40. Kb2 f6 41. exf6+ Kxf6 42. c3 e5 43. dxe5+ Kxe5 44. Kb3 a5 45. Rh3 Rc4 46. Rh6 Rc5 47. Rb6 d4 48. cxd4+ Kxd4 49. Rd6+ Rd5 50. Rh6 Re5 51. Ra6 Rd5 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.29"]
[Round "9"]
[White "Marrujo Pardo, Mauricio Emmanuel"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2349"]
[BlackElo "2153"]
[PlyCount "102"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 h6 7. h5 g5 8. f4 gxf4 9. Bxf4 Bb7 10. 0-0-0 Nd7 11. Nf3 Ngf6 12. e5 b4 13. Nb1 Nd5 14. Rh4 Nf8 15. Bd3 Ne6 16. Bh2 Ng5 17. Qe2 e6 18. Nbd2 Nc3 19. bxc3 bxc3 20. Rf4 cxd2+ 21. Rxd2 Qe7 22. Rd1 Bxf3 23. Rxf3 Nxf3 24. Qxf3 d5 25. Qg4 Qg5+ 26. Qxg5 hxg5 27. g4 Bf8 28. Bg1 Bb4 29. Be3 c5 30. Bxg5 Rg8 31. Bf6 Rxg4 32. h6 Rg2 33. a4 c4 34. h7 Kd7 35. h8Q Rxh8 36. Bxh8 cxd3 37. Rxd3 Rg4 38. Bf6 Be7 39. Bxe7 Kxe7 40. Kb2 f6 41. exf6+ Kxf6 42. c3 e5 43. dxe5+ Kxe5 44. Kb3 a5 45. Rh3 Rc4 46. Rh6 Rc5 47. Rb6 d4 48. cxd4+ Kxd4 49. Rd6+ Rd5 50. Rh6 Re5 51. Ra6 Rd5 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.28"]
[Round "8"]
[White "Piasetski, Leon David"]
[Black "Silva, Juliana Figueira Th"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2153"]
[BlackElo "1919"]
[PlyCount "115"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 d6 9. f4 Ned7 10. Qe2 Qc7 11. Be3 a6 12. Bg2 Be7 13. 0-0 0-0 14. Rac1 Rb8 15. Ba7 Ra8 16. Bf2 Rb8 17. Nd4 Nb6 18. b3 Re8 19. e5 dxe5 20. fxe5 Nfd7 21. Nf3 Nf8 22. Ne4 Nbd7 23. Bd4 Ng6 24. Qf2 Rf8 25. Rfd1 b6 26. Nd6 Bb7 27. Nxb7 Rxb7 28. Kh1 Rbb8 29. Qe2 Rbd8 30. h4 Bc5 31. Bc3 a5 32. Qe4 Ne7 33. g4 Qc6 34. Ng5 Qxe4 35. Nxe4 Ng6 36. h5 Ne7 37. Rd2 Nb8 38. Nxc5 bxc5 39. Bxa5 Rxd2 40. Bxd2 Nbc6 41. Be3 Nd4 42. Rd1 Rc8 43. Bxd4 Rd8 44. b4 cxd4 45. b5 f6 46. exf6 gxf6 47. b6 e5 48. b7 Kf7 49. Be4 h6 50. a4 Ke6 51. a5 Kd6 52. a6 Nc6 53. Rb1 Rb8 54. Rb6 d3 55. Rxc6+ Kd7 56. Rxf6 d2 57. Rf1 Kc7 58. a7 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.28"]
[Round "8"]
[White "Piasetski, Leon David"]
[Black "Silva, Juliana Figueira Th"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2153"]
[BlackElo "1919"]
[PlyCount "115"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 d6 9. f4 Ned7 10. Qe2 Qc7 11. Be3 a6 12. Bg2 Be7 13. 0-0 0-0 14. Rac1 Rb8 15. Ba7 Ra8 16. Bf2 Rb8 17. Nd4 Nb6 18. b3 Re8 19. e5 dxe5 20. fxe5 Nfd7 21. Nf3 Nf8 22. Ne4 Nbd7 23. Bd4 Ng6 24. Qf2 Rf8 25. Rfd1 b6 26. Nd6 Bb7 27. Nxb7 Rxb7 28. Kh1 Rbb8 29. Qe2 Rbd8 30. h4 Bc5 31. Bc3 a5 32. Qe4 Ne7 33. g4 Qc6 34. Ng5 Qxe4 35. Nxe4 Ng6 36. h5 Ne7 37. Rd2 Nb8 38. Nxc5 bxc5 39. Bxa5 Rxd2 40. Bxd2 Nbc6 41. Be3 Nd4 42. Rd1 Rc8 43. Bxd4 Rd8 44. b4 cxd4 45. b5 f6 46. exf6 gxf6 47. b6 e5 48. b7 Kf7 49. Be4 h6 50. a4 Ke6 51. a5 Kd6 52. a6 Nc6 53. Rb1 Rb8 54. Rb6 d3 55. Rxc6+ Kd7 56. Rxf6 d2 57. Rf1 Kc7 58. a7 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.27"]
[Round "7"]
[White "El Zwei, Aiman Mohamed"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1980"]
[BlackElo "2153"]
[PlyCount "39"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. a3 Be7 8. 0-0 c6 9. Qc2 b5 10. c5 Nbd7 11. Nc3 Re8 12. b4 a4 13. Rfe1 h6 14. Rad1 Bf8 15. h4 Bb7 16. Bf4 Nh5 17. Bd2 Nhf6 18. Bf4 Nh5 19. Bd2 Nhf6 20. Bf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.27"]
[Round "7"]
[White "El Zwei, Aiman Mohamed"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1980"]
[BlackElo "2153"]
[PlyCount "39"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. a3 Be7 8. 0-0 c6 9. Qc2 b5 10. c5 Nbd7 11. Nc3 Re8 12. b4 a4 13. Rfe1 h6 14. Rad1 Bf8 15. h4 Bb7 16. Bf4 Nh5 17. Bd2 Nhf6 18. Bf4 Nh5 19. Bd2 Nhf6 20. Bf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "5"]
[White "Campos Gomez, Manuel"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2355"]
[BlackElo "2153"]
[PlyCount "75"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 a5 7. Nc3 c6 8. d4 b6 9. Qc2 Ba6 10. Ne5 Nfd7 11. Nd3 dxc4 12. bxc4 Bxc4 13. a3 Bd5 14. e4 Bc4 15. Rd1 Ra7 16. Bf4 g5 17. Be3 Rc7 18. f4 h6 19. Bf3 Kg7 20. Qb2 Kh7 21. Qc2 Kg7 22. Rd2 Qc8 23. Rg2 Rh8 24. Rf2 f6 25. Nb2 Ba6 26. Qd2 Qf8 27. e5 f5 28. fxg5 Bxa3 29. gxh6+ Kh7 30. Nc4 Be7 31. Bg5 Rg8 32. Bxe7 Qxe7 33. Nd6 Nf8 34. Kh1 Ng6 35. g4 f4 36. Be4 Kxh6 37. Rf3 Rf8 38. Rh3+ 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "5"]
[White "Campos Gomez, Manuel"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2355"]
[BlackElo "2153"]
[PlyCount "75"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 a5 7. Nc3 c6 8. d4 b6 9. Qc2 Ba6 10. Ne5 Nfd7 11. Nd3 dxc4 12. bxc4 Bxc4 13. a3 Bd5 14. e4 Bc4 15. Rd1 Ra7 16. Bf4 g5 17. Be3 Rc7 18. f4 h6 19. Bf3 Kg7 20. Qb2 Kh7 21. Qc2 Kg7 22. Rd2 Qc8 23. Rg2 Rh8 24. Rf2 f6 25. Nb2 Ba6 26. Qd2 Qf8 27. e5 f5 28. fxg5 Bxa3 29. gxh6+ Kh7 30. Nc4 Be7 31. Bg5 Rg8 32. Bxe7 Qxe7 33. Nd6 Nf8 34. Kh1 Ng6 35. g4 f4 36. Be4 Kxh6 37. Rf3 Rf8 38. Rh3+ 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "6"]
[White "Piasetski, Leon David"]
[Black "Calcada, Lucas Galvan"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "2153"]
[BlackElo "1967"]
[PlyCount "72"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Nc6 10. Qd2 d6 11. Be2 Bd7 12. Rc1 Rc8 13. b3 Qa5 14. 0-0 0-0 15. Rfd1 Rfe8 16. h3 Bxc3 17. Qxc3 Qxc3 18. Rxc3 b6 19. a3 f5 20. exf5 Bxf5 21. g4 Be6 22. b4 Ne5 23. Rdc1 Nd7 24. c5 bxc5 25. Bb5 Red8 26. Bxd7 Rxd7 27. bxc5 Rdc7 28. Bd4 dxc5 29. Rxc5 Rxc5 30. Rxc5 Rxc5 31. Bxc5 a5 32. Bxe7 Kf7 33. Bc5 a4 34. Kg2 h5 35. Kg3 hxg4 36. hxg4 g5 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.26"]
[Round "6"]
[White "Piasetski, Leon David"]
[Black "Calcada, Lucas Galvan"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "2153"]
[BlackElo "1967"]
[PlyCount "72"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Nc6 10. Qd2 d6 11. Be2 Bd7 12. Rc1 Rc8 13. b3 Qa5 14. 0-0 0-0 15. Rfd1 Rfe8 16. h3 Bxc3 17. Qxc3 Qxc3 18. Rxc3 b6 19. a3 f5 20. exf5 Bxf5 21. g4 Be6 22. b4 Ne5 23. Rdc1 Nd7 24. c5 bxc5 25. Bb5 Red8 26. Bxd7 Rxd7 27. bxc5 Rdc7 28. Bd4 dxc5 29. Rxc5 Rxc5 30. Rxc5 Rxc5 31. Bxc5 a5 32. Bxe7 Kf7 33. Bc5 a4 34. Kg2 h5 35. Kg3 hxg4 36. hxg4 g5 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.25"]
[Round "4"]
[White "Piasetski, Leon David"]
[Black "Gonzalez, Augusto"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2153"]
[BlackElo "1937"]
[PlyCount "115"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. 0-0 0-0 9. h3 Qe7 10. Re1 Bf5 11. Bxc6 bxc6 12. d3 Rfd8 13. Nc3 Rab8 14. Qe2 c4 15. dxc4 Bb4 16. Nd4 Bd7 17. cxd5 cxd5 18. Rec1 Qe5 19. f4 Qe7 20. Rc2 Re8 21. Re1 Qd6 22. Qd3 Ne4 23. Ree2 Bxc3 24. Bxc3 Qg6 25. g4 h5 26. Rg2 hxg4 27. hxg4 Bxg4 28. Nf3 Nxc3 29. Qxc3 Rbc8 30. Qxc8 Bxc8 31. Rxg6 fxg6 32. Rc7 a6 33. Kf2 Bf5 34. Ra7 Rc8 35. Nd4 Bd3 36. Ke1 Re8 37. Kd2 Bf1 38. Nf3 Bb5 39. a4 Bf1 40. Nh2 Bg2 41. Rxa6 Be4 42. Kc3 Rc8+ 43. Kd4 Rb8 44. Ng4 Rxb3 45. Nf2 Bf3 46. Nd3 Kh7 47. Ra7 Bg4 48. Nc5 Rb4+ 49. Ke5 Bf3 50. a5 Rc4 51. Rc7 Rc3 52. Ne6 Rxe3+ 53. Kd6 Kh6 54. a6 Ra3 55. a7 Ra5 56. Nd4 Bg2 57. Nc6 Ra6 58. Rc8 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.25"]
[Round "4"]
[White "Piasetski, Leon David"]
[Black "Gonzalez, Augusto"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2153"]
[BlackElo "1937"]
[PlyCount "115"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. 0-0 0-0 9. h3 Qe7 10. Re1 Bf5 11. Bxc6 bxc6 12. d3 Rfd8 13. Nc3 Rab8 14. Qe2 c4 15. dxc4 Bb4 16. Nd4 Bd7 17. cxd5 cxd5 18. Rec1 Qe5 19. f4 Qe7 20. Rc2 Re8 21. Re1 Qd6 22. Qd3 Ne4 23. Ree2 Bxc3 24. Bxc3 Qg6 25. g4 h5 26. Rg2 hxg4 27. hxg4 Bxg4 28. Nf3 Nxc3 29. Qxc3 Rbc8 30. Qxc8 Bxc8 31. Rxg6 fxg6 32. Rc7 a6 33. Kf2 Bf5 34. Ra7 Rc8 35. Nd4 Bd3 36. Ke1 Re8 37. Kd2 Bf1 38. Nf3 Bb5 39. a4 Bf1 40. Nh2 Bg2 41. Rxa6 Be4 42. Kc3 Rc8+ 43. Kd4 Rb8 44. Ng4 Rxb3 45. Nf2 Bf3 46. Nd3 Kh7 47. Ra7 Bg4 48. Nc5 Rb4+ 49. Ke5 Bf3 50. a5 Rc4 51. Rc7 Rc3 52. Ne6 Rxe3+ 53. Kd6 Kh6 54. a6 Ra3 55. a7 Ra5 56. Nd4 Bg2 57. Nc6 Ra6 58. Rc8 1-0

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "3"]
[White "Caceres Benitez, Fernando Israel"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1929"]
[BlackElo "2153"]
[PlyCount "68"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 Nf6 6. Qd2 Nc6 7. f3 h6 8. h4 e5 9. d5 Ne7 10. g4 h5 11. g5 Nh7 12. Bh3 0-0 13. 0-0-0 Bxh3 14. Nxh3 Qd7 15. b3 b5 16. Qd3 Rab8 17. axb5 axb5 18. Na2 f6 19. Nb4 fxg5 20. Nxg5 Nxg5 21. Bxg5 Bf6 22. Bh6 Rf7 23. Rdf1 Kh7 24. Qe3 Ra8 25. Kd2 Ng8 26. Bg5 Raf8 27. Ke2 Bxg5 28. Qxg5 Rf6 29. Rh2 Qg7 30. Rhf2 Nh6 31. Nd3 Qd7 32. Qg3 c6 33. Nb4 c5 34. Nc6 Rf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "3"]
[White "Caceres Benitez, Fernando Israel"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1929"]
[BlackElo "2153"]
[PlyCount "68"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 Nf6 6. Qd2 Nc6 7. f3 h6 8. h4 e5 9. d5 Ne7 10. g4 h5 11. g5 Nh7 12. Bh3 0-0 13. 0-0-0 Bxh3 14. Nxh3 Qd7 15. b3 b5 16. Qd3 Rab8 17. axb5 axb5 18. Na2 f6 19. Nb4 fxg5 20. Nxg5 Nxg5 21. Bxg5 Bf6 22. Bh6 Rf7 23. Rdf1 Kh7 24. Qe3 Ra8 25. Kd2 Ng8 26. Bg5 Raf8 27. Ke2 Bxg5 28. Qxg5 Rf6 29. Rh2 Qg7 30. Rhf2 Nh6 31. Nd3 Qd7 32. Qg3 c6 33. Nb4 c5 34. Nc6 Rf4 1/2-1/2

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Lopez Silva, Hugo Andres"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2153"]
[BlackElo "2380"]
[PlyCount "62"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. h3 Be6 11. Be3 Qd7 12. Kh2 Rd8 13. Ne4 Na6 14. Qa4 Bxd4 15. Rfd1 c5 16. Nxc5 Qxa4 17. Nxa4 Bxe3 18. fxe3 Rxd1 19. Rxd1 Rb8 20. Rd4 b5 21. Nc3 Nc5 22. Bc6 a6 23. g4 Kf8 24. Kg3 Rc8 25. Bf3 b4 26. Nd5 Bxd5 27. Rxd5 Na4 28. Rd2 c3 29. bxc3 Nxc3 30. Kf2 Rc5 31. Rd8+ Kg7 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.24"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Lopez Silva, Hugo Andres"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "2153"]
[BlackElo "2380"]
[PlyCount "62"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. h3 Be6 11. Be3 Qd7 12. Kh2 Rd8 13. Ne4 Na6 14. Qa4 Bxd4 15. Rfd1 c5 16. Nxc5 Qxa4 17. Nxa4 Bxe3 18. fxe3 Rxd1 19. Rxd1 Rb8 20. Rd4 b5 21. Nc3 Nc5 22. Bc6 a6 23. g4 Kf8 24. Kg3 Rc8 25. Bf3 b4 26. Nd5 Bxd5 27. Rxd5 Na4 28. Rd2 c3 29. bxc3 Nxc3 30. Kf2 Rc5 31. Rd8+ Kg7 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.23"]
[Round "1"]
[White "Spieker, Otavio Schmidt"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1678"]
[BlackElo "2153"]
[PlyCount "88"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 d6 3. d4 Bg7 4. h3 Nf6 5. Nc3 c6 6. Bd3 0-0 7. 0-0 Qc7 8. Be3 e5 9. Qd2 Nbd7 10. Rfe1 Re8 11. Rad1 b5 12. a3 a6 13. dxe5 dxe5 14. Na2 Bf8 15. b4 c5 16. c3 Bb7 17. Bh6 Rad8 18. Bxf8 Nxf8 19. Qe3 Ne6 20. g3 Rd7 21. Bc2 Red8 22. Rxd7 Rxd7 23. Ng5 Nxg5 24. Qxg5 Kg7 25. Qe3 cxb4 26. axb4 Qc4 27. Bb1 h6 28. Nc1 Nxe4 29. Bxe4 Qxe4 30. Qxe4 Bxe4 31. Nb3 Bf3 32. Nc5 Rd6 33. Ra1 e4 34. Nxa6 Rd2 35. Re1 Rc2 36. Kf1 Rxc3 37. Nc5 Rc4 38. Na6 Kf6 39. h4 Kf5 40. Re3 g5 41. hxg5 hxg5 42. Re1 Rc6 43. Nc5 Rh6 44. Rc1 Rh1# 0-1

[Event "American Continental 19th"]
[Site "Foz do Iguacu"]
[Date "2025.05.23"]
[Round "1"]
[White "Spieker, Otavio Schmidt"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1678"]
[BlackElo "2153"]
[PlyCount "88"]
[EventDate "2025.05.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 d6 3. d4 Bg7 4. h3 Nf6 5. Nc3 c6 6. Bd3 0-0 7. 0-0 Qc7 8. Be3 e5 9. Qd2 Nbd7 10. Rfe1 Re8 11. Rad1 b5 12. a3 a6 13. dxe5 dxe5 14. Na2 Bf8 15. b4 c5 16. c3 Bb7 17. Bh6 Rad8 18. Bxf8 Nxf8 19. Qe3 Ne6 20. g3 Rd7 21. Bc2 Red8 22. Rxd7 Rxd7 23. Ng5 Nxg5 24. Qxg5 Kg7 25. Qe3 cxb4 26. axb4 Qc4 27. Bb1 h6 28. Nc1 Nxe4 29. Bxe4 Qxe4 30. Qxe4 Bxe4 31. Nb3 Bf3 32. Nc5 Rd6 33. Ra1 e4 34. Nxa6 Rd2 35. Re1 Rc2 36. Kf1 Rxc3 37. Nc5 Rc4 38. Na6 Kf6 39. h4 Kf5 40. Re3 g5 41. hxg5 hxg5 42. Re1 Rc6 43. Nc5 Rh6 44. Rc1 Rh1# 0-1

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.29"]
[Round "6"]
[White "Vasic, Maxim"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2044"]
[BlackElo "2178"]
[PlyCount "73"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 Be7 6. Be2 0-0 7. 0-0 Re8 8. Re1 Bf8 9. Bf1 a5 10. Qc2 h6 11. b3 exd4 12. Nxd4 Nc5 13. Bb2 c6 14. Rad1 Qb6 15. h3 Bd7 16. g3 Rad8 17. Bg2 Bc8 18. Bc1 g6 19. Be3 Qb4 20. Ra1 Bg7 21. a3 Qb6 22. b4 axb4 23. axb4 Qxb4 24. Reb1 Qxc4 25. Bf1 Qxc3 26. Qxc3 Ncxe4 27. Qc1 Nd5 28. Nc2 Nxe3 29. Nxe3 d5 30. Ra8 d4 31. Nc4 d3 32. Rxc8 Rxc8 33. Bxd3 Rb8 34. Qc2 Nc3 35. Nd6 Re7 36. Rb3 Nd5 37. Bc4 1-0

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.28"]
[Round "4"]
[White "Arruebarrena Rodriguez, Rafael"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2093"]
[BlackElo "2178"]
[PlyCount "86"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. 0-0-0 Bb7 7. f3 Nd7 8. h4 h6 9. Nh3 e6 10. Bd3 Ne7 11. Kb1 Nb6 12. Rhg1 Qd7 13. g4 0-0-0 14. Qf2 Rdf8 15. Nf4 Rhg8 16. a3 Bh8 17. Nfe2 Bg7 18. d5 Nc4 19. Bxc4 bxc4 20. Bd4 e5 21. Be3 f5 22. gxf5 gxf5 23. Rxg7 Rxg7 24. Bxh6 Rgf7 25. Bxf8 Rxf8 26. Qh2 Rh8 27. Rg1 f4 28. Rg7 Kd8 29. h5 Qe8 30. Rg5 Rh6 31. Qh4 Bc8 32. Kc1 Qh8 33. Qh2 Bd7 34. Nb1 Be8 35. Nd2 Qf6 36. Qg1 Rxh5 37. Rxh5 Bxh5 38. Qh1 Qg5 39. Nxc4 Ng6 40. Nd2 Nh4 41. Qg1 Qxg1+ 42. Nxg1 Ng2 43. Nf1 Ke7 1/2-1/2

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.28"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "Michalchuk, Avery"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2178"]
[BlackElo "1809"]
[PlyCount "77"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 0-0 5. d4 c6 6. Be2 d5 7. cxd5 cxd5 8. e5 Ne4 9. 0-0 Nxc3 10. bxc3 Nc6 11. Ba3 Na5 12. Qa4 Bd7 13. Qb4 Re8 14. Nd2 Rc8 15. Rac1 e6 16. Qb2 Bc6 17. f4 Nc4 18. Nxc4 dxc4 19. Bf3 Bd5 20. Bd6 b6 21. Bxd5 exd5 22. Qb5 Bf8 23. Bxf8 Rxf8 24. f5 a6 25. Qb2 b5 26. Qd2 f6 27. Qh6 fxe5 28. fxg6 Rc7 29. Rxf8+ Qxf8 30. gxh7+ Rxh7 31. Qe6+ Qf7 32. Qxe5 Rh5 33. Qd6 a5 34. Re1 Rf5 35. h3 Qf8 36. Qg6+ Kh8 37. Re8 Rf7 38. Qxf7 Qxe8 39. Qxe8+ 1-0

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.27"]
[Round "3"]
[White "Piasetski, Leon David"]
[Black "Darvekar, Yash"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2178"]
[BlackElo "1876"]
[PlyCount "66"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bg4 5. cxd5 Nxd5 6. d4 e6 7. Bd2 Nd7 8. e4 N5f6 9. e5 Nd5 10. Nxd5 cxd5 11. Qb3 Rb8 12. Be2 Be7 13. h3 Bf5 14. 0-0 0-0 15. Rfc1 b5 16. Rc6 Nb6 17. Bxb5 Nc4 18. a4 Nxd2 19. Nxd2 Qa5 20. Qd1 Qb4 21. Nb3 a6 22. Rxa6 Rfc8 23. Rc1 Rxc1 24. Qxc1 Qxb3 25. Qc7 Qd1+ 26. Bf1 Rf8 27. Qxe7 Bd3 28. Rd6 Qxf1+ 29. Kh2 h6 30. Rd8 Rxd8 31. Qxd8+ Kh7 32. Qh4 Qa1 33. Qf4 Qxb2 0-1

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.27"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Georgiev, Vladimir"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2178"]
[BlackElo "2388"]
[PlyCount "64"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 h6 8. d4 d6 9. d5 Nb8 10. e4 a5 11. Ne1 Na6 12. Nd3 c6 13. h3 cxd5 14. cxd5 Bd7 15. a4 Qc8 16. Kh2 Nb4 17. Be3 Qc4 18. Nc1 Nh7 19. Qd2 f5 20. Bxh6 f4 21. Bxg7 Kxg7 22. gxf4 Rxf4 23. N1e2 Rh4 24. Qe3 Nf6 25. Qg3 Rah8 26. f4 Bxh3 27. Bxh3 Nxe4 28. Qg2 Rxh3+ 29. Qxh3 Rxh3+ 30. Kxh3 Qd3+ 31. Kg2 Nxd5 32. Rf3 Qd2 0-1

[Event "Calgary op 15th"]
[Site "Calgary"]
[Date "2024.12.26"]
[Round "1"]
[White "Alpuri, Aaqil"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1962"]
[BlackElo "2178"]
[PlyCount "78"]
[EventDate "2024.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nge2 a6 5. a4 b6 6. g3 Bb7 7. Bg2 Nd7 8. Be3 Ngf6 9. h3 e5 10. d5 h5 11. Qd2 Qe7 12. Bg5 Qf8 13. 0-0 Bh6 14. Bxh6 Qxh6 15. Qxh6 Rxh6 16. f4 Ke7 17. Rad1 Rhh8 18. Nc1 h4 19. g4 exf4 20. Rxf4 Ne5 21. Nb3 Nh7 22. Nd4 Ng5 23. Rdf1 Rae8 24. b3 Kf8 25. Na2 Kg7 26. Nb4 a5 27. Na2 Ba6 28. Re1 Nd7 29. Nc3 Nc5 30. Ncb5 Bxb5 31. Nxb5 Re7 32. Nd4 f6 33. Ref1 Rf8 34. Kh2 Ree8 35. Re1 Rf7 36. Ref1 Rff8 37. Re1 Rf7 38. Ref1 Ref8 39. Re1 Re8 1/2-1/2

[Event "Sant Boi de Llobregat op 5th"]
[Site "Sant Boi de Llobregat"]
[Date "2024.11.30"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Chan, Kim Yew"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2171"]
[BlackElo "2274"]
[PlyCount "94"]
[EventDate "2024.11.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ESP"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. c4 c5 2. b3 Nc6 3. Bb2 e5 4. Nf3 d6 5. e3 g6 6. d4 exd4 7. exd4 Bg7 8. Qe2+ Qe7 9. Nc3 Bg4 10. dxc5 dxc5 11. 0-0-0 Nd4 12. Qxe7+ Nxe7 13. Nb5 Bxf3 14. gxf3 0-0-0 15. Nxa7+ Kb8 16. Nb5 Nxb3+ 17. axb3 Bxb2+ 18. Kc2 Rxd1 19. Kxd1 Rd8+ 20. Ke2 Be5 21. Bh3 f5 22. Re1 Bxh2 23. Kf1 Rd7 24. Re6 Kc8 25. Rf6 Nc6 26. Rf8+ Rd8 27. Rf7 Rd7 28. Rf8+ Nd8 29. Na7+ Kc7 30. Nb5+ Kc8 31. Na7+ Kb8 32. Nb5 Be5 33. Ke2 Kc8 34. Re8 Bf6 35. Rf8 Re7+ 36. Kf1 Bg7 37. Rg8 Kd7 38. f4 Bb2 39. Bg2 Re8 40. Rxe8 Kxe8 41. Nd6+ Kd7 42. Nxb7 Nxb7 43. Bxb7 Bc1 44. Bd5 Bxf4 45. Bg8 Ke7 46. Ke2 Kf6 47. Kd3 Bd6 0-1

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.26"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Sturua, Zurab"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2171"]
[BlackElo "2502"]
[PlyCount "66"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 e5 10. Rd1 Qe7 11. h3 Bc7 12. Ng5 h6 13. Nge4 Nb6 14. Nxf6+ Qxf6 15. Bd3 exd4 16. exd4 Qd6 17. f4 Qxd4+ 18. Kh1 Qf6 19. Ne4 Qh4 20. Qf2 Qxf2 21. Nxf2 f5 22. g3 Be6 23. b3 Rfe8 24. Kg1 Nd5 25. Bd2 Bb6 26. Re1 Rad8 27. Rad1 Nf6 28. Be3 Bxb3 29. axb3 Rxe3 30. Rxe3 Bxe3 31. Kg2 Bxf2 32. Kxf2 Kf8 33. Kf3 Ne4 0-1

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.25"]
[Round "8"]
[White "Vatter, Hans Joachim"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2212"]
[BlackElo "2171"]
[PlyCount "35"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. f4 Nf6 5. e5 dxe5 6. fxe5 Nd5 7. Bc4 c6 8. Nf3 0-0 9. 0-0 f6 10. exf6 exf6 11. Qe1 Re8 12. Qh4 Be6 13. Re1 Bf7 14. Na3 Rxe1+ 15. Qxe1 Nd7 16. Bd2 b5 17. Bf1 N7b6 18. c4 1/2-1/2

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.24"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Chapman, Terry PD"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2171"]
[BlackElo "2273"]
[PlyCount "53"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d5 7. cxd5 Nxd5 8. e4 Nxc3 9. Qxd8+ Kxd8 10. Nxc3 Bc5 11. Bc4 a6 12. a3 b5 13. Ba2 Bb7 14. 0-0 Ke7 15. Bf4 Bd4 16. Rac1 Rac8 17. Rfd1 Rhd8 18. Kf1 f6 19. f3 g5 20. Bd2 Ne5 21. Be1 g4 22. Ke2 gxf3+ 23. gxf3 Nc4 24. Bxc4 Rxc4 25. Bf2 Bxc3 26. Rxd8 Kxd8 27. Rxc3 1/2-1/2

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.22"]
[Round "6"]
[White "Hugentobler, Patrick"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2216"]
[BlackElo "2171"]
[PlyCount "98"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 exd4 7. Nxd4 g6 8. Be3 Bg7 9. Qd2 0-0 10. Nce2 Qxd2+ 11. Kxd2 Re8 12. Nc3 Nbd7 13. Nb3 b6 14. Rae1 Bb7 15. Rhf1 Rad8 16. Bg1 a6 17. Kc1 b5 18. a4 b4 19. Nb1 c5 20. N1d2 Nb6 21. Na5 Ba8 22. b3 Bf8 23. h3 h5 24. Bf2 Rd7 25. Re2 Rc7 26. Rfe1 Bh6 27. Bg3 Rce7 28. Bh4 Re6 29. g3 Nbd7 30. Nac4 d5 31. exd5 Rxe2 32. Rxe2 Rxe2 33. Bxe2 Nxd5 34. Bd8 h4 35. Bxh4 f6 36. g4 Nxf4 37. Bf1 Bg2 38. Bxg2 Nxg2 39. Bf2 Kf7 40. Kd1 Ke6 41. h4 f5 42. gxf5+ Kxf5 43. a5 Bf8 44. Nb6 Ne5 45. Na4 c4 46. Nxc4 Nxc4 47. bxc4 Be7 48. Bc5 Bxh4 49. Bxb4 Ne3+ 1/2-1/2

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.20"]
[Round "4"]
[White "Ftacnik, Lubomir"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2444"]
[BlackElo "2171"]
[PlyCount "71"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Nbd2 a5 5. a3 Bxd2+ 6. Bxd2 b6 7. g3 Bb7 8. Bg2 0-0 9. 0-0 h6 10. Rc1 a4 11. d5 exd5 12. Nh4 Na6 13. cxd5 Nc5 14. Bc3 Nfe4 15. Bd4 f5 16. Bxc5 Nxc5 17. d6 c6 18. Bh3 Qg5 19. Rxc5 bxc5 20. Qc2 g6 21. e4 Qf6 22. exf5 Ba6 23. Rd1 Rfe8 24. Nxg6 Re2 25. Qxc5 Rxb2 26. Qe3 Kg7 27. Nf4 Kf7 28. Bg4 Rb3 29. Bh5+ Kf8 30. Qe7+ Qxe7 31. Ng6+ Kf7 32. dxe7 d5 33. Re1 Bd3 34. Nf4+ Kf6 35. Re6+ Kxf5 36. Bg6+ 1-0

[Event "Wch Seniors 65 32nd"]
[Site "Porto Santo"]
[Date "2024.11.19"]
[Round "3"]
[White "Piasetski, Leon David"]
[Black "Legky, Nikolay A"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2171"]
[BlackElo "2338"]
[PlyCount "80"]
[EventDate "2024.11.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POR"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 a6 5. Bg2 dxc4 6. a4 Nc6 7. 0-0 Rb8 8. a5 b5 9. axb6 cxb6 10. Bf4 Bd6 11. Ne5 Ne7 12. Nxc4 Bxf4 13. gxf4 0-0 14. Ne5 a5 15. Qd2 Bb7 16. Bxb7 Rxb7 17. Rc1 Nf5 18. e3 Nh4 19. f3 Nd5 20. Qf2 Nf5 21. Re1 Rc7 22. Na3 Nb4 23. Rad1 Ne7 24. e4 Ng6 25. Qg3 Qf6 26. f5 exf5 27. Nxg6 Qxg6 28. exf5 Qc6 29. f6 g6 30. d5 Qc5+ 31. Kh1 Nxd5 32. Rxd5 Qxd5 33. Qxc7 Qxf3+ 34. Kg1 Qxf6 35. Qe5 Qc6 36. Nb5 Rd8 37. Nc3 Qc4 38. Re4 Qd3 39. Qc7 Qd2 40. Qxb6 Qg5+ 1/2-1/2

[Event "Villa Martelli ProAm op 31st"]
[Site "Villa Martelli"]
[Date "2024.10.26"]
[Round "8"]
[White "Paris, Adolfo"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2046"]
[BlackElo "2169"]
[PlyCount "55"]
[EventDate "2024.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. d3 Nc6 9. Nxd7 Qxd7 10. 0-0 Be7 11. Nc3 0-0 12. Bd2 Rfd8 13. Rfd1 Rac8 14. Rac1 h6 15. Ne4 Nd4 16. Kf1 b5 17. Qc3 Nd5 18. Qa5 f5 19. Nc3 Nb4 20. Be3 a6 21. Bxd4 cxd4 22. Nb1 Rxc1 23. Rxc1 Rc8 24. Rd1 Qc7 25. Qxc7 Rxc7 26. a3 Na2 27. Ke1 Rc2 28. Rd2 1/2-1/2

[Event "Villa Martelli ProAm op 31st"]
[Site "Villa Martelli"]
[Date "2024.10.24"]
[Round "6"]
[White "Piasetski, Leon David"]
[Black "Sorin, Ariel"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2169"]
[BlackElo "2317"]
[PlyCount "108"]
[EventDate "2024.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Be3 Ng4 10. Bd2 f5 11. exf5 gxf5 12. h3 Nf6 13. Qc1 f4 14. g3 Nh5 15. g4 Nf6 16. Rg1 Na6 17. g5 hxg5 18. Nxg5 Bf5 19. Ne6 Bxe6 20. dxe6 Nc5 21. Qc2 Nxe6 22. Qg6 Qe8 23. Qg2 c6 24. 0-0-0 Kh8 25. Bd3 Rg8 26. Ne4 Nxe4 27. Bxe4 Qh5 28. Bg6 Qh6 29. Bf7 Nd4 30. Bxg8 Ne2+ 31. Kb1 Nxg1 32. Rxg1 Kxg8 33. Qg4 Rf8 34. Bxa5 Rf7 35. Bc3 Qf6 36. Rd1 Re7 37. Bb4 c5 38. Bc3 Qe6 39. Qg5 Rd7 40. Qh5 Bf8 41. Rg1+ Rg7 42. Rxg7+ Kxg7 43. Qf3 Qxc4 44. Qxb7+ Kf6 45. Qf3 d5 46. a4 d4 47. a5 dxc3 48. Qc6+ Kg5 49. Qg2+ Kh6 50. Qc6+ Kh7 51. Qb7+ Bg7 52. bxc3 e4 53. a6 e3 54. fxe3 fxe3 0-1

[Event "Villa Martelli ProAm op 31st"]
[Site "Villa Martelli"]
[Date "2024.10.23"]
[Round "5"]
[White "Fernandes, Martin"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1965"]
[BlackElo "2169"]
[PlyCount "108"]
[EventDate "2024.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 h6 7. h5 g5 8. f4 gxf4 9. Bxf4 Nf6 10. Bd3 Ng4 11. Nf3 Nc6 12. Ne2 e5 13. dxe5 Ncxe5 14. 0-0 c6 15. Ng3 Be6 16. Nf5 Bxf5 17. exf5 Qb6+ 18. Kh1 0-0-0 19. Rad1 Kb7 20. Nh2 Bf6 21. Be4 Nc4 22. Qe2 Nge3 23. Ng4 Nxg4 24. Qxg4 Bxb2 25. f6 Qc5 26. Bf3 Bxf6 27. Rfe1 Be5 28. Bc1 f6 29. Qg7+ Kb6 30. Bxh6 Rdg8 31. Qf7 d5 32. Bg7 Nd6 33. Qe7 Rh7 34. h6 Nf5 35. Qxc5+ Kxc5 36. Rxe5 fxe5 37. Bxe5 Ng3+ 38. Bxg3 Rxg3 39. Kh2 Rg5 40. g4 Rxh6+ 41. Kg3 Rg8 42. Re1 Kd6 43. Re3 a5 44. Be2 Rf6 45. Bd3 a4 46. Kh4 Rf2 47. g5 Rh2+ 48. Kg3 Rh5 49. g6 Rg5+ 50. Kf4 R5xg6 51. Bxg6 Rxg6 52. Kf3 Re6 53. Rc3 b4 54. Rd3 c5 0-1

[Event "Villa Martelli ProAm op 31st"]
[Site "Villa Martelli"]
[Date "2024.10.20"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2169"]
[BlackElo "2536"]
[PlyCount "118"]
[EventDate "2024.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Qc2 0-0 7. Bg2 c5 8. cxd5 cxd4 9. Bxb4 axb4 10. Nxd4 Qb6 11. Nb3 exd5 12. Qc5 Qxc5 13. Nxc5 Nc6 14. e3 b6 15. Nb3 Ba6 16. Bf1 Ne5 17. Bxa6 Rxa6 18. Ke2 Nc4 19. a3 bxa3 20. Nxa3 Nxb2 21. Rhc1 Rfa8 22. Rc2 g6 23. Rxb2 Rxa3 24. Rxa3 Rxa3 25. Nd4 Ne4 26. f3 Nd6 27. Rxb6 Nc4 28. Rb8+ Kg7 29. e4 dxe4 30. fxe4 Ra2+ 31. Kd3 Ne5+ 32. Ke3 Ng4+ 33. Kf4 Nxh2 34. e5 Ra4 35. Rd8 h5 36. Rd7 Kh6 37. Ke4 Nf1 38. Rxf7 Nxg3+ 39. Kd5 Ra5+ 40. Ke6 h4 41. Nf3 h3 42. Rf4 Nh5 43. Rh4 g5 44. Rg4 Ra6+ 45. Kf7 Ra7+ 46. Kf8 Ng7 47. Nxg5 Kh5 48. Rg3 h2 49. Rh3+ Kxg5 50. Rxh2 Kf5 51. Kg8 Ne8 52. Rh7 Nc7 53. Re7 Ra8+ 54. Kf7 Rh8 55. Kg7 Rc8 56. Rf7+ Kg5 57. Rd7 Ne6+ 58. Kf7 Kf5 59. Re7 Rf8# 0-1

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.03"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Zuluaga Mancilla, Cesar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2167"]
[BlackElo "2166"]
[PlyCount "113"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c3 Bf5 4. Bf4 e6 5. e3 Qb6 6. Qb3 Nf6 7. h3 Nbd7 8. Nbd2 Be7 9. Be2 0-0 10. 0-0 c5 11. c4 Rfc8 12. Rfc1 Bg6 13. dxc5 Bxc5 14. Qxb6 Bxb6 15. a3 dxc4 16. Bxc4 h6 17. b4 Bd8 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bd4 Be7 21. Bb5 Nb6 22. Nb3 Nd5 23. Na5 b6 24. Nc6 Bd6 25. Ne5 Bxe5 26. Bxe5 Rxc1+ 27. Rxc1 f6 28. Bb2 Be8 29. Ba6 Rd8 30. Kf1 Kf8 31. Ke2 Bg6 32. f3 Ke7 33. g3 Kd6 34. e4 Nc7 35. e5+ Kd7 36. Rd1+ Ke8 37. Rxd8+ Kxd8 38. Bc4 f5 39. g4 fxg4 40. hxg4 Be8 41. Ke3 Bb5 42. Bb3 g5 43. f4 gxf4+ 44. Kxf4 Ke7 45. a4 Bc6 46. b5 Bd5 47. Bc2 Bc4 48. Ba3+ Kf7 49. Bd6 Nd5+ 50. Kg3 Ne3 51. Be4 Bb3 52. Bb8 Bxa4 53. Bxa7 Nc4 54. Kf4 Bxb5 55. Bd3 Na3 56. Be4 Nc4 57. Bd3 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.03"]
[Round "8"]
[White "Wu, Derek"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2278"]
[BlackElo "2167"]
[PlyCount "68"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. Re1 0-0-0 11. Bf4 Ne7 12. Bf1 Ng6 13. Bg3 Be7 14. a4 h5 15. h3 Nh4 16. c4 d4 17. Nd2 Bc6 18. Ne4 Bxe4 19. Bxh4 Bxh4 20. Rxe4 Be7 21. Bd3 Rdf8 22. a5 a6 23. Re2 g5 24. Be4 g4 25. Ra3 Rf4 26. Rb3 Rxe4 27. Rxe4 Bd8 28. hxg4 Qh7 29. Qd3 hxg4 30. Kf1 Qh1+ 31. Ke2 Qxg2 32. Rf4 Rh1 33. Kd2 Bg5 34. Qg3 Qe4 0-1

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.02"]
[Round "6"]
[White "Karthi, Jashith"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2066"]
[BlackElo "2167"]
[PlyCount "32"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Bc5 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 0-0 12. Bg5 Nbd7 13. 0-0-0 Be7 14. Be3 Bc5 15. Bg5 Be7 16. Be3 Bc5 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.02"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Biyiasas, Theodore A"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2167"]
[BlackElo "1973"]
[PlyCount "67"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. Qc2 Bg4 6. Ne5 Bh5 7. cxd5 Nxd5 8. Qb3 Qb6 9. Nxd5 Qxb3 10. axb3 cxd5 11. Bb5+ Kd8 12. d4 f6 13. Nd3 e6 14. Bd2 Nc6 15. Bxc6 bxc6 16. Bb4 Bg6 17. Bxf8 Rxf8 18. Nc5 Ke7 19. Kd2 Rfb8 20. Ra4 a5 21. Rha1 Rb5 22. Kc1 e5 23. b4 exd4 24. exd4 Re8 25. bxa5 Kd6 26. b3 Rbb8 27. Kd2 Re7 28. Re1 Rxe1 29. Kxe1 Bc2 30. a6 Bf5 31. Rb4 Kc7 32. a7 Ra8 33. Rb7+ Kd6 34. Rxg7 1-0

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.01"]
[Round "4"]
[White "Guo, Ethan"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2189"]
[BlackElo "2167"]
[PlyCount "36"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. g3 b6 8. Bb5+ Bd7 9. Be2 Bd6 10. 0-0 0-0 11. Ne5 Bxe5 12. dxe5 Nd5 13. c4 Ne7 14. b3 Bc6 15. Qxd8 Rfxd8 16. Bg5 Kf8 17. Rfd1 h6 18. Bxe7+ Kxe7 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.09.01"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "Tang, Dylan"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2167"]
[BlackElo "2092"]
[PlyCount "35"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Be7 5. e3 0-0 6. d4 b6 7. Bd3 Bb7 8. 0-0 c5 9. Nbd2 Nc6 10. Rc1 cxd4 11. exd4 Rc8 12. Qe2 Bd6 13. Ne5 Qe7 14. Rcd1 Rfd8 15. Ndf3 Rc7 16. Ng5 Qe8 17. f4 g6 18. Qf2 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.08.31"]
[Round "2"]
[White "Garduno Huerta, Joshua Emiliano"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2056"]
[BlackElo "2167"]
[PlyCount "72"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Nbxd2 d6 7. Bg2 e5 8. e4 Bg4 9. Qc2 0-0 10. 0-0 Bxf3 11. Nxf3 c5 12. d5 Nbd7 13. Nd2 Nh5 14. Bf3 Qg5 15. Qd1 Nhf6 16. Bg2 h5 17. f4 Qh6 18. Qf3 h4 19. Rf2 Qh5 20. Re1 Qxf3 21. Rxf3 hxg3 22. hxg3 Ng4 23. Bh3 Ndf6 24. Nf1 Rfe8 25. Bxg4 Nxg4 26. Ne3 Nxe3 27. Rfxe3 g6 28. Kf2 Kg7 29. Kf3 Re7 30. Rh1 Rae8 31. Rh2 exf4 32. gxf4 f5 33. Rhe2 Kf6 34. exf5 Rxe3+ 35. Rxe3 Rxe3+ 36. Kxe3 gxf5 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.08.31"]
[Round "3"]
[White "Piasetski, Leon David"]
[Black "Bhatta, Rohit"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2167"]
[BlackElo "2025"]
[PlyCount "45"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qc2 Bb7 9. 0-0 c5 10. Bg5 Rc8 11. Qd1 cxd4 12. Nxd4 Bxg2 13. Kxg2 Be7 14. Nd2 h6 15. Bxf6 Nxf6 16. N2f3 0-0 17. Rc1 Rxc1 18. Qxc1 Qd5 19. b3 Bc5 20. Rd1 Bxd4 21. Rxd4 Qb7 22. Qd2 Rc8 23. Rd8+ 1/2-1/2

[Event "San Jose 1000 GM Labor Day op"]
[Site "San Jose"]
[Date "2024.08.30"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2167"]
[BlackElo "2519"]
[PlyCount "84"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Bg2 f5 4. d4 Be7 5. Nc3 Nf6 6. dxe5 dxe5 7. Qxd8+ Bxd8 8. e4 Na6 9. Nf3 Nxe4 10. Nxe4 fxe4 11. Nd2 e3 12. fxe3 Nb4 13. Be4 a5 14. a3 Nc6 15. b3 Bh3 16. Bb2 0-0 17. Ke2 Ra6 18. Bc3 Bf6 19. Kd3 Raa8 20. b4 Rad8+ 21. Kc2 Bg5 22. b5 Ne7 23. Nf3 Bxe3 24. Nxe5 Bf5 25. Bxf5 Nxf5 26. Rad1 Bd4 27. Bxd4 Nxd4+ 28. Kc3 Ne2+ 29. Kc2 Rde8 30. Nd3 Re4 31. Kd2 b6 32. Rhe1 Rfe8 33. c5 g5 34. cxb6 cxb6 35. Ra1 h5 36. Rab1 Kg7 37. Rb2 Kg6 38. Rc2 Nd4 39. Rxe4 Rxe4 40. Rc7 Re2+ 41. Kd1 Rxh2 42. Rb7 Kf5 0-1

[Event "San Francisco 1000 GM Memorial Day"]
[Site "San Francisco"]
[Date "2024.05.26"]
[Round "7"]
[White "Jiang, Lucas"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2318"]
[BlackElo "2164"]
[PlyCount "46"]
[EventDate "2024.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. Be3 Nd5 9. Qd2 c5 10. 0-0-0 Qc7 11. Qe2 a6 12. Kb1 b6 13. c4 Nxe3 14. fxe3 Bb7 15. Rhf1 Bf6 16. g4 g6 17. h4 0-0-0 18. g5 Bg7 19. h5 gxh5 20. Bc2 Kb8 21. Rd2 Qg3 22. Qd1 cxd4 23. Nxd4 Qc7 1/2-1/2

[Event "San Francisco 1000 GM Memorial Day"]
[Site "San Francisco"]
[Date "2024.05.25"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "Xia, Joshua"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2164"]
[BlackElo "2034"]
[PlyCount "103"]
[EventDate "2024.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. 0-0 0-0 6. d4 d5 7. cxd5 cxd5 8. Nc3 Ne4 9. Ne5 Nxc3 10. bxc3 Nc6 11. f4 Nxe5 12. fxe5 b6 13. Qb3 Bb7 14. a4 Qc7 15. Ba3 Rfd8 16. e4 e6 17. Bd6 Rxd6 18. exd6 Qxd6 19. exd5 Bxd5 20. Bxd5 exd5 21. a5 Re8 22. axb6 axb6 23. Ra7 f5 24. Qb5 Qe6 25. Qd7 Qxd7 26. Rxd7 Re3 27. Ra1 Re8 28. Raa7 Bf8 29. Rxd5 Rc8 30. Kf2 Rxc3 31. Rd8 Rc6 32. d5 Rd6 33. Raa8 Rxd8 34. Rxd8 Kf7 35. d6 b5 36. Ke2 b4 37. d7 Be7 38. Rc8 b3 39. d8Q Bxd8 40. Rxd8 b2 41. Rb8 Kf6 42. Rxb2 Kg5 43. Kf3 Kh5 44. Rb7 h6 45. Kf4 g5+ 46. Kxf5 g4 47. Kf4 Kg6 48. Kxg4 h5+ 49. Kf4 Kh6 50. Kf5 h4 51. gxh4 Kh5 52. Rh7# 1-0

[Event "San Francisco 1000 GM Memorial Day"]
[Site "San Francisco"]
[Date "2024.05.24"]
[Round "3"]
[White "Ganesan, Vikrant"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1981"]
[BlackElo "2164"]
[PlyCount "91"]
[EventDate "2024.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e4 Nd4 6. Nge2 Nxe2 7. Nxe2 d6 8. 0-0 Nf6 9. d4 cxd4 10. Nxd4 0-0 11. b3 Bd7 12. Bb2 Qa5 13. Qd3 Qh5 14. Nf3 a6 15. Rfe1 Rad8 16. Qe2 Bg4 17. Rad1 b5 18. Bxf6 Bxf6 19. Rd5 g5 20. cxb5 axb5 21. Qe3 h6 22. Rxb5 Rc8 23. e5 Bg7 24. exd6 exd6 25. Nd4 Bd7 26. Rd5 Rfe8 27. Qd2 Be5 28. Nf3 Bc3 29. Rxe8+ Bxe8 30. Qd3 Bb4 31. h4 Rc1+ 32. Kh2 Bc6 33. Nxg5 Qg6 34. Be4 Bxd5 35. Qxd5 Qf6 36. Nf3 Ra1 37. Qa8+ Kg7 38. Kg2 Bc5 39. h5 Qb2 40. Nh4 Qxf2+ 41. Kh3 Qf1+ 42. Kg4 Qd1+ 43. Bf3 Qd4+ 44. Be4 Qd1+ 45. Bf3 Qd4+ 46. Be4 1/2-1/2

[Event "San Francisco 1000 GM Memorial Day"]
[Site "San Francisco"]
[Date "2024.05.24"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Talwalkar, Vedant"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2164"]
[BlackElo "2016"]
[PlyCount "49"]
[EventDate "2024.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. c4 dxc4 6. Na3 Nc6 7. Nxc4 Be7 8. b3 0-0 9. Bb2 b5 10. Nfe5 Nxe5 11. Nxe5 Nd5 12. a4 bxa4 13. Nc6 Qc7 14. Nxe7+ Qxe7 15. Rxa4 Bd7 16. Ra5 Rfb8 17. Qa1 f6 18. Ba3 Rb5 19. Rxb5 Bxb5 20. Rc1 Rc8 21. d3 Rc7 22. d4 Qd7 23. Rxc5 Bxe2 24. Qc1 h6 25. Be4 1/2-1/2

[Event "San Francisco 1000 GM Memorial Day"]
[Site "San Francisco"]
[Date "2024.05.23"]
[Round "1"]
[White "Haldorsen, Benjamin"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2419"]
[BlackElo "2164"]
[PlyCount "117"]
[EventDate "2024.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be3 Be7 8. Bd3 0-0 9. Ne5 c5 10. c3 Qc7 11. Qe2 cxd4 12. Bxd4 Bc5 13. Bxc5 Qxc5 14. 0-0-0 b6 15. g4 Nd5 16. g5 g6 17. Rhe1 Qe7 18. h4 Bb7 19. Be4 f5 20. Nxg6 hxg6 21. Bxd5 Bxd5 22. Rxd5 Rae8 23. Re5 Kf7 24. Qc4 Rh8 25. a4 Qd6 26. a5 Re7 27. f3 bxa5 28. Qf4 Qb6 29. R5e2 Qc5 30. Rd1 e5 31. Qa4 f4 32. Qb3+ Kg7 33. Qd5 Rc8 34. Qe4 Qb6 35. Rd5 Rc5 36. Red2 Rxd5 37. Rxd5 Qg1+ 38. Rd1 Qc5 39. Kb1 a4 40. Qxa4 e4 41. fxe4 f3 42. Qa6 Qe5 43. Qf6+ Qxf6 44. gxf6+ Kxf6 45. Rf1 Rxe4 46. Rxf3+ Ke6 47. Rh3 Re5 48. Rg3 Kf6 49. Rg4 Re2 50. Ka2 Re6 51. b4 Ke7 52. Kb3 Kd6 53. c4 Kc6 54. Ka4 a6 55. Ka5 Kb7 56. Rf4 Re5+ 57. c5 Re6 58. Rf7+ Kb8 59. Rd7 1-0

[Event "Sardinia World op-A"]
[Site "Orosei"]
[Date "2024.04.28"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Levin, Guy"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "2159"]
[BlackElo "2451"]
[PlyCount "88"]
[EventDate "2024.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 4. Bxc4 e6 5. d4 a6 6. Qe2 c5 7. dxc5 Bxc5 8. a3 b5 9. Ba2 Bb7 10. b4 Bd6 11. Bb2 Nbd7 12. Nbd2 Rc8 13. 0-0 0-0 14. Rac1 Qe7 15. e4 Bb8 16. g3 Nb6 17. Bb3 Rfd8 18. Bd4 Nbd7 19. h3 h6 20. Qe3 Ne8 21. Bb2 Nd6 22. Rxc8 Rxc8 23. Rc1 Rxc1+ 24. Bxc1 Qd8 25. Bb2 Ne8 26. Bc2 Bc7 27. Nb3 Qc8 28. Bd3 Qb8 29. Kg2 Nef6 30. Bd4 Qa8 31. Nbd2 Bc6 32. Qe2 Ne8 33. e5 Bd5 34. Be4 Bb8 35. Bxd5 Qxd5 36. Qe4 Nc7 37. Kf1 Qxe4 38. Nxe4 Nd5 39. Ke2 Ne7 40. Nc5 Nxc5 41. bxc5 Kf8 42. Kd3 Nc6 43. Ke4 Ke7 44. Nd2 Bxe5 0-1

[Event "Ponte de Lima op"]
[Site "Ponte de Lima"]
[Date "2024.04.16"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Wang, Minqing"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2159"]
[BlackElo "1942"]
[PlyCount "122"]
[EventDate "2024.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. b3 c5 4. Bb2 d5 5. e3 a6 6. cxd5 exd5 7. d4 Bg4 8. Be2 Nc6 9. dxc5 Bxc5 10. 0-0 0-0 11. Nc3 Ba7 12. Nd4 Bxe2 13. Ncxe2 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Qa5 16. Qc3 Qxc3 17. Nxc3 Rac8 18. Rac1 Rc6 19. Ne2 Rfc8 20. Rxc6 Rxc6 21. Nd4 Rc7 22. f3 Kf8 23. Kf2 g6 24. Ke2 Ke7 25. Kd3 Nd7 26. Kd2 f5 27. h3 Nf8 28. g4 Ne6 29. gxf5 Nxd4 30. exd4 gxf5 31. Rg1 Kf6 32. Rg8 f4 33. h4 Rg7 34. Rf8+ Ke6 35. Rxf4 Rg2+ 36. Ke3 Rxa2 37. Rf8 Rb2 38. Re8+ Kf7 39. Rh8 Rxb3+ 40. Kf4 a5 41. Rxh7+ Kg6 42. Rd7 Rb5 43. Kg4 a4 44. h5+ Kf6 45. h6 Rb1 46. h7 Rg1+ 47. Kf4 Rh1 48. Rxb7 a3 49. Ra7 a2 50. Ra6+ Kg7 51. Rxa2 Kxh7 52. Rg2 Kh6 53. Ke5 Rh5+ 54. Kf6 Kh7 55. f4 Kh6 56. f5 Kh7 57. Ke6 Kh6 58. f6 Kh7 59. f7 Rh4 60. Rf2 Rh6+ 61. Kd7 Kh8 1-0

[Event "Ponte de Lima op"]
[Site "Ponte de Lima"]
[Date "2024.04.15"]
[Round "8"]
[White "Mannion, Stephen R"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2159"]
[BlackElo "2159"]
[PlyCount "57"]
[EventDate "2024.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. dxe5 Nh5 9. Be3 Nb4 10. Be4 Qxd1+ 11. Rxd1 c6 12. a3 Na6 13. 0-0 f6 14. Bd3 Bh6 15. g3 Bg4 16. exf6 exf6 17. Ne4 Nc7 18. Bc5 Rfb8 19. Rde1 Bg7 20. Bc4+ Be6 21. Bxe6+ Nxe6 22. Bf2 b6 23. c3 Nd8 24. Rd1 Nf7 25. Nd4 Re8 26. Rfe1 f5 27. Ng5 Nxg5 28. fxg5 Bxd4 29. Bxd4 1/2-1/2

[Event "Ponte de Lima op"]
[Site "Ponte de Lima"]
[Date "2024.04.13"]
[Round "7"]
[White "Audi, Ameya"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2387"]
[BlackElo "2159"]
[PlyCount "128"]
[EventDate "2024.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Bg7 8. Bh6 0-0 9. Bxg7 Kxg7 10. e5 dxe5 11. dxe5 Ng4 12. Qf4 Ndxe5 13. Nxe5 Qd6 14. Nxg6 fxg6 15. Qxd6 exd6 16. f3 Ne5 17. Ne4 Bf5 18. 0-0-0 Bxe4 19. Bxe4 d5 20. Bd3 Rae8 21. b4 Rf4 22. c3 a5 23. a3 axb4 24. axb4 Ra8 25. Rhe1 Nxd3+ 26. Rxd3 Ra1+ 27. Kd2 Ra2+ 28. Ke3 Rc4 29. Re2 Ra3 30. Rc2 Kf6 31. Kd2 Ke5 32. Re3+ Kd6 33. Re8 Rh4 34. h3 Kd7 35. Re3 Rc4 36. g3 g5 37. Re5 h6 38. Rf5 Ke6 39. Rf8 Ke7 40. Rh8 d4 41. cxd4 Rxc2+ 42. Kxc2 Rxf3 43. Rxh6 Rxg3 44. Rxc6 Rxh3 45. Rc5 Rg3 46. Rxb5 Kd6 47. Rc5 Rg2+ 48. Kc3 g4 49. Rg5 Kc6 50. d5+ Kb6 51. Rg6+ Kb5 52. Rg8 Rg1 53. Kd2 g3 54. Ke2 g2 55. Rg4 Kb6 56. Rg6+ Kb5 57. d6 Kc6 58. b5+ Kd7 59. b6 Rb1 60. Rxg2 Rb2+ 61. Kf3 Rxg2 62. Kxg2 Kxd6 63. b7 Kc7 64. b8N Kxb8 1/2-1/2

[Event "Ponte de Lima op"]
[Site "Ponte de Lima"]
[Date "2024.04.11"]
[Round "4"]
[White "Goncalves, Samuel Jesus P"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2190"]
[BlackElo "2159"]
[PlyCount "51"]
[EventDate "2024.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 d6 7. exd6 Qxd6 8. 0-0 Be6 9. Bxe6 Qxe6 10. a4 a6 11. a5 Nc4 12. Re1 Qd5 13. d4 N4xa5 14. c4 Nxc4 15. Nc3 Qd7 16. b3 cxd4 17. Na4 b5 18. Nc5 Qd5 19. Nxa6 Rc8 20. bxc4 bxc4 21. Bf4 f6 22. Nc7+ Rxc7 23. Bxc7 Kf7 24. Ra6 e5 25. Qa4 Nb4 26. Nxe5+ 1-0

[Event "Ponte de Lima op"]
[Site "Ponte de Lima"]
[Date "2024.04.10"]
[Round "2"]
[White "Shyam, Nikil P"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2390"]
[BlackElo "2159"]
[PlyCount "85"]
[EventDate "2024.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. d4 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Nbd7 7. 0-0 Be7 8. Kh1 0-0 9. Qe1 Re8 10. a3 Bf8 11. b4 Qc7 12. Qh4 exd4 13. Nxd4 c5 14. Ndb5 Qd8 15. Bb2 a6 16. Nxd6 Bxd6 17. e5 c4 18. Bxc4 b5 19. Bd3 Bb7 20. exd6 Nf8 21. Rad1 Ng6 22. Qg5 h6 23. Qg3 Nh5 24. Qg4 Qh4 25. Qxh4 Nxh4 26. Rd2 Rad8 27. Kg1 Re6 28. Be2 Nf6 29. f5 Rexd6 30. Rxd6 Rxd6 31. g3 Ng2 32. Rd1 Rxd1+ 33. Nxd1 Ne1 34. Bxf6 gxf6 35. Ne3 Nf3+ 36. Bxf3 Bxf3 37. Kf2 Be4 38. Ke2 Kf8 39. Kd2 Ke7 40. Kc3 Kd6 41. Kd4 Bf3 42. h3 h5 43. h4 1-0

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.31"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Jaferian, Koosha"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2159"]
[BlackElo "2234"]
[PlyCount "109"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. 0-0 e5 8. b3 Be6 9. Bb2 f6 10. e3 Qd3 11. Qb1 Bf5 12. Qxd3 Bxd3 13. Rac1 0-0-0 14. Na4 b6 15. Ne1 Nb4 16. a3 Nba6 17. Nxd3 Rxd3 18. Bc3 b5 19. Nb2 Rd6 20. b4 Rd8 21. f4 exf4 22. gxf4 Nd5 23. bxc5 Nxc3 24. Rxc3 Rxd2 25. Nd3 Be7 26. Nb4 Nb8 27. c6 a5 28. c7 axb4 29. axb4 Rxg2+ 30. Kxg2 Bxb4 31. cxb8Q+ Kxb8 32. Rb3 Bd6 33. Rxb5+ Kc7 34. Rb2 g5 35. Rc1+ Kd7 36. Rd1 Rd8 37. Rb7+ Ke6 38. Rxh7 gxf4 39. exf4 Ra8 40. f5+ Ke5 41. Rb7 Ra2+ 42. Kf3 Ra3+ 43. Kg4 Ra4+ 44. Kh5 Bc5 45. Rb5 Rc4 46. Kg6 Rg4+ 47. Kf7 Rc4 48. Rf1 Ke4 49. Kxf6 Bd4+ 50. Ke7 Rc7+ 51. Kd6 Rf7 52. Rb4 Ke3 53. Rxd4 Kxd4 54. f6 Ke3 55. Ke6 1-0

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.30"]
[Round "5"]
[White "Kot, Emanuel"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2035"]
[BlackElo "2159"]
[PlyCount "98"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. 0-0 Nge7 9. c4 d6 10. Be3 e5 11. Bxa7 Rxa7 12. Qe3 0-0 13. Nc3 b6 14. Rad1 f5 15. exf5 Bxf5 16. Ne4 Rd7 17. Rd2 Bg6 18. Nc3 Nf5 19. Bxf5 Bxf5 20. Rfd1 Ne7 21. Nc1 Be6 22. b3 Nf5 23. Qe4 Qc7 24. N1e2 Rdf7 25. Nf4 Bc8 26. Nfd5 Qa7 27. Kh1 Nd4 28. f3 Bf5 29. Qe3 b5 30. Ne2 bxc4 31. bxc4 Nxe2 32. Qxe2 Qc5 33. Ne3 e4 34. f4 Bg6 35. Rd5 Qb4 36. g3 Rf6 37. Qd2 Rb8 38. Qxb4 Rxb4 39. Ra5 Bf7 40. Rxa6 Bxc4 41. Ra8+ Rf8 42. Rxf8+ Kxf8 43. a3 Ra4 44. Nxc4 Rxc4 45. Rxd6 Ra4 46. Re6 Kf7 47. Re5 Kf6 48. Kg2 h6 49. h4 Rxa3 1/2-1/2

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.30"]
[Round "6"]
[White "Liu, Henry"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1996"]
[BlackElo "2159"]
[PlyCount "78"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h5 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 c6 9. Qd3 Nbd7 10. 0-0-0 Qa5 11. Kb1 b5 12. Ne2 c5 13. e4 c4 14. Qe3 dxe4 15. Bxe4 Nxe4 16. Qxe4 0-0 17. Qxe7 Nb6 18. Bd2 Qa6 19. Rhe1 Rfd8 20. c3 Nd5 21. Qe4 Rd7 22. Nf4 Rad8 23. Nxd5 Rxd5 24. a3 Bf6 25. Bh6 Qb6 26. Qf4 Rf5 27. Qg3 a5 28. Bf4 Rc8 29. Be5 b4 30. axb4 axb4 31. Bxf6 Qxf6 32. cxb4 Rxf2 33. Qe5 Qc6 34. Qc5 Qa8 35. Qa5 Qxg2 36. Qa3 c3 37. bxc3 Ra8 38. Qb3 Raa2 39. Re8+ Kg7 0-1

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.29"]
[Round "4"]
[White "Piasetski, Leon David"]
[Black "Taylor, Ashton"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2159"]
[BlackElo "1839"]
[PlyCount "113"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 0-0 6. d4 c5 7. Bd3 Nc6 8. 0-0 b6 9. Nc3 cxd4 10. exd4 Bb7 11. Rc1 Rc8 12. a3 dxc4 13. bxc4 Na5 14. Ne5 Nc6 15. Nf3 Na5 16. Ne5 Nc6 17. Ne4 Nxe5 18. Nxf6+ gxf6 19. dxe5 f5 20. Qc2 Kh8 21. Rcd1 Rg8 22. f3 Qf8 23. Bxf5 exf5 24. Rd7 Bc6 25. Rxa7 b5 26. Kh1 Ra8 27. Rxa8 Bxa8 28. cxb5 Bxa3 29. Ba1 Rg5 30. Rd1 Be7 31. Qc7 Rg6 32. b6 Re6 33. b7 Bxb7 34. Qxb7 Qh6 35. Qc8+ Kg7 36. Qc2 Qf4 37. Qd2 Qh4 38. g3 Qh5 39. Qf4 Qg6 40. h4 Bc5 41. Kg2 h5 42. Bc3 Kh7 43. Bd4 Be7 44. Rc1 Ra6 45. Bc5 Bd8 46. Bf2 Ra2 47. Qc4 Ra6 48. Rd1 Be7 49. Rd7 Re6 50. Qc7 Bb4 51. Rxf7+ Kg8 52. Rd7 f4 53. Qc8+ Re8 54. Qc4+ Kh8 55. Qxf4 Ba5 56. Qf7 Qxf7 57. Rxf7 1-0

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.28"]
[Round "3"]
[White "Huang, Youhe"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1992"]
[BlackElo "2159"]
[PlyCount "73"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 a5 8. Qc2 Bxd2 9. Qxd2 Be4 10. Qc3 d6 11. b3 Nbd7 12. Re1 Qb8 13. Bh3 c5 14. Bb2 Ra7 15. Rad1 Ba8 16. d5 e5 17. a4 Re8 18. e4 Nf8 19. Nh4 Bb7 20. f4 Ng6 21. f5 Nxh4 22. gxh4 Kh8 23. Qf3 Rg8 24. Kh1 Bc8 25. Rg1 h6 26. Rg3 Re7 27. Rdg1 Ree8 28. Bc1 Qc7 29. Qe3 Nh7 30. f6 g5 31. hxg5 Rxg5 32. Rxg5 hxg5 33. Rxg5 Nxf6 34. Bxc8 Qxc8 35. Qf3 Nh7 36. Rh5 f5 37. Bg5 1-0

[Event "Canadian zt"]
[Site "Toronto"]
[Date "2024.03.27"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Sambuev, Bator"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2159"]
[BlackElo "2462"]
[PlyCount "130"]
[EventDate "2024.03.27"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 0-0 9. a3 Bxc3+ 10. Rxc3 c6 11. e3 a5 12. Bd3 Bf5 13. Ne5 Bxd3 14. Qxd3 Qe6 15. 0-0 f6 16. Ng6 Re8 17. b4 b5 18. Rfc1 axb4 19. axb4 Qf7 20. Qb1 Re4 21. Nf4 Re7 22. Nd3 Qg6 23. Nc5 Qxb1 24. Rxb1 Rea7 25. Nb3 Ra3 26. Rcc1 Kf7 27. Kf1 Ke7 28. Rb2 R8a4 29. Na5 Ra1 30. Rxa1 Rxa1+ 31. Ke2 g5 32. Nb3 Ra3 33. Nc5 Nd7 34. Nxd7 Kxd7 35. g4 Rc3 36. Kf3 Rc4 37. Kg3 Ke6 38. h4 f5 39. hxg5 hxg5 40. Kf3 Rc1 41. gxf5+ Kxf5 42. Ke2 g4 43. Kd2 Ra1 44. Rc2 Ke4 45. Rxc6 Ra2+ 46. Ke1 Rb2 47. Kf1 Rxb4 48. Kg2 Rb2 49. Rg6 b4 50. Rxg4+ Kd3 51. Rg5 Kc4 52. Rg8 Rc2 53. Rc8+ Kd3 54. Rc5 b3 55. Rxd5 b2 56. Rb5 Kc3 57. Kf3 Rc1 58. Rxb2 Kxb2 59. Ke4 Rc8 60. f4 Kc3 61. f5 Re8+ 62. Kd5 Rxe3 63. f6 Rf3 64. Ke6 Kxd4 65. f7 Rxf7 1/2-1/2

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.09"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Krysa, Leandro Sergio"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2151"]
[BlackElo "2541"]
[PlyCount "151"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. a4 b6 7. Bxc4 Bb7 8. 0-0 Bb4 9. Qe2 0-0 10. Rd1 Qe7 11. Na2 Bd6 12. Nc3 Nbd7 13. e4 e5 14. Bg5 exd4 15. Nxd4 Bxe4 16. Ne6 fxe6 17. Nxe4 Ne5 18. Bb3 Rae8 19. Bxf6 gxf6 20. Nxd6 cxd6 21. f4 Nd7 22. f5 Nc5 23. Ba2 a5 24. fxe6 Kh8 25. Bd5 Rg8 26. Ra3 Rg5 27. Rf3 Nxe6 28. Qf2 Kg7 29. h4 Re5 30. Bc6 Rc8 31. Qxb6 Nc5 32. Bb5 Re1+ 33. Rxe1 Qxe1+ 34. Bf1 Qe5 35. Qa7+ Kh8 36. Qxa5 Qd4+ 37. Kh2 Qxh4+ 38. Kg1 Qd4+ 39. Kh2 Qxb2 40. Qb5 Qxb5 41. axb5 Kg7 42. Bc4 Rb8 43. Re3 Rb7 44. Kg3 d5 45. Bxd5 Rxb5 46. Re7+ Kg6 47. Bg8 f5 48. Bxh7+ Kf6 49. Rc7 Ne6 50. Rc8 Rb3+ 51. Kh2 Rb2 52. Rc3 Nf4 53. Rg3 Rb8 54. Bg8 Rc8 55. Rf3 Nxg2 56. Kxg2 Rxg8+ 57. Kf2 Rg4 58. Ra3 Kg5 59. Ra8 Rb4 60. Kf3 Rb3+ 61. Kf2 Kg4 62. Rg8+ Kf4 63. Ra8 Rf3+ 64. Kg2 Rg3+ 65. Kf2 Rf3+ 66. Kg2 Re3 67. Kf2 Re4 68. Rh8 Re5 69. Rh4+ Kg5 70. Ra4 Rb5 71. Kf3 f4 72. Ra3 Kf5 73. Rc3 Re5 74. Ra3 Re3+ 75. Rxe3 fxe3 76. Kxe3 1/2-1/2

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.08"]
[Round "8"]
[White "Carbone, Diego"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2275"]
[BlackElo "2151"]
[PlyCount "132"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 d5 9. Bg2 0-0 10. 0-0 Nxc3 11. Rxc3 Rd8 12. Qc2 Bd7 13. Rc1 Be8 14. a3 a5 15. e3 h6 16. cxd5 exd5 17. Rc5 Rd6 18. Ne1 Qd8 19. Nd3 Ne7 20. Rc3 a4 21. Bh3 Bb5 22. Nc5 Bc6 23. Bf1 Ra7 24. b4 axb3 25. Qxb3 Qa8 26. Nd3 Ba4 27. Qb4 Qd8 28. Qb2 Rb6 29. Qd2 c6 30. Nb4 Bb5 31. Bg2 Bc4 32. e4 Rb5 33. Nc2 Rb3 34. Ne3 Rxc3 35. Rxc3 b5 36. e5 Qa8 37. Nc2 Ra4 38. h4 Qa7 39. Qe3 Ba2 40. Bh3 Rc4 41. Nb4 Bb1 42. Qc1 Be4 43. Rxc4 bxc4 44. Qd1 c5 45. dxc5 Qxc5 46. Bf1 Ng6 47. Qa4 d4 48. Qe8+ Kh7 49. e6 fxe6 50. Qxe6 Ne5 51. Na6 Nf3+ 52. Kh1 Qd5 53. Qxd5 Bxd5 54. Nb4 Be4 55. Bg2 Kg6 56. Na2 Kf5 57. a4 g5 58. hxg5 hxg5 59. g4+ Kxg4 60. a5 Kf4 61. a6 g4 62. a7 g3 63. fxg3+ Kxg3 64. Nb4 Kf2 65. Nc2 d3 66. Nd4 d2 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.07"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Soto, Nicolas"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2151"]
[BlackElo "1991"]
[PlyCount "65"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. g3 a6 9. c5 Be7 10. Nxg6 hxg6 11. Rb1 g5 12. f4 Qc7 13. b4 Nbd7 14. Bd3 g6 15. Qf3 g4 16. Qe2 Kf8 17. Nd1 Kg7 18. Nf2 Nh5 19. Qxg4 f5 20. Qf3 Kf7 21. g4 Nhf6 22. Qg2 Rh4 23. g5 Ne4 24. Nxe4 fxe4 25. Be2 b5 26. Qg3 Rah8 27. Bd2 Qd8 28. Bg4 R8h7 29. h3 Nf8 30. Kf2 Nd7 31. Kg2 Qc7 32. Bxe6+ Kg7 33. f5 1-0

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.06"]
[Round "6"]
[White "Garcia Palermo, Carlos H"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2403"]
[BlackElo "2151"]
[PlyCount "53"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 0-0 7. Ne5 c6 8. Nc3 Bb7 9. 0-0 d5 10. Rd1 Nfd7 11. Nxd7 Nxd7 12. e4 dxc4 13. d5 b5 14. Qc2 Re8 15. dxe6 fxe6 16. Bh3 Bb4 17. e5 Bxc3 18. Qxc3 c5 19. a4 Bd5 20. axb5 Qc7 21. Bf4 g5 22. Rxd5 exd5 23. e6 gxf4 24. exd7 Re7 25. Qf6 Qe5 26. Qxe5 Rxe5 27. b6 1-0

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.05"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "De los Reyes, Mauro"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2151"]
[BlackElo "1720"]
[PlyCount "53"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Bd6 7. d4 Bb4+ 8. Nbd2 Ne4 9. a3 Bxd2+ 10. Nxd2 Nxd2 11. Qxd2 0-0 12. 0-0 Nf6 13. Rad1 b6 14. f3 Bb7 15. e4 dxe4 16. fxe4 Nd7 17. e5 Qe7 18. Be4 Rfd8 19. Qg2 Rac8 20. Rd2 Nb8 21. Rdf2 Rf8 22. Rf4 Rc7 23. Bxh7+ Kxh7 24. Qh3+ Kg8 25. Rh4 f6 26. Rh8+ Kf7 27. Qh5+ 1-0

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.04"]
[Round "4"]
[White "Kulik, Nicolas"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1862"]
[BlackElo "2151"]
[PlyCount "108"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nb3 Qc7 8. 0-0 Bb7 9. f4 Nf6 10. Re1 h5 11. Qf3 d6 12. Bd2 Nbd7 13. Re2 Nc5 14. f5 e5 15. Bg5 b4 16. Nd5 Nxd5 17. exd5 Nxd3 18. cxd3 Qb6+ 19. d4 f6 20. Be3 Qb5 21. dxe5 dxe5 22. Rd2 Rd8 23. Rad1 Bd6 24. g4 hxg4 25. Qxg4 Rd7 26. Qe4 0-0 27. Rg2 Rc8 28. Rg6 Bf8 29. Qg4 Rxd5 30. Rf1 Rc4 31. Qh5 Rd7 32. Nd2 Rc2 33. Rf2 Bc5 34. Rg3 Qc6 35. Qe8+ Bf8 36. Qe6+ Qxe6 37. fxe6 Re7 38. Rxf6 Bd5 39. Nf3 Rxe6 40. Rxe6 Bxe6 41. a3 Re2 42. Bc1 Bc5+ 43. Kf1 Bc4 44. b3 Rc2+ 45. bxc4 Rxc1+ 46. Ke2 bxa3 47. Nd2 a2 48. Nb3 Rb1 49. Rd3 Rxb3 50. Rd8+ Kh7 51. h4 a1Q 52. h5 Rb2+ 53. Kd3 Qd1+ 54. Kc3 Rb3# 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.03"]
[Round "3"]
[White "Piasetski, Leon David"]
[Black "Araque, Jairo"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2151"]
[BlackElo "1925"]
[PlyCount "114"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. h3 e5 7. d5 Nbd7 8. Be3 Nh5 9. Nh2 Qe7 10. g3 a5 11. Be2 Ndf6 12. Nf3 c6 13. Nd2 Re8 14. c5 cxd5 15. exd5 dxc5 16. Nc4 Nd7 17. Nb5 b6 18. Nc7 Bb7 19. Bxh5 gxh5 20. Qb3 Rec8 21. Nxa8 Bxd5 22. 0-0-0 Bxh1 23. Rxd7 Qxd7 24. Naxb6 Qc7 25. Nxc8 Qxc8 26. Nd6 Qc7 27. Ne8 Qc8 28. Nxg7 Kxg7 29. Qb6 f6 30. Qxc5 Qxh3 31. Qxa5 Qf1+ 32. Kd2 Bf3 33. Qc7+ Kg6 34. Qc2+ Kg7 35. b3 Qa1 36. a4 Bd5 37. f4 h4 38. fxe5 Qxe5 39. gxh4 Qh2+ 40. Kc1 Qxh4 41. Kb2 Qg3 42. Qd2 Qe5+ 43. Bd4 Qe6 44. b4 h5 45. Qg5+ Kf7 46. Qxh5+ Ke7 47. Qh7+ Ke8 48. b5 Bb3 49. Qa7 Qc4 50. Bxf6 Qe6 51. b6 Ba2 52. Qe7+ Qxe7 53. Bxe7 Bd5 54. Bg5 Kd7 55. Kc3 Kc6 56. Be3 Kb7 57. Kb4 Bg2 1/2-1/2

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.02"]
[Round "2"]
[White "Pena Canapa, Alfredo"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1795"]
[BlackElo "2151"]
[PlyCount "45"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 d5 5. exd5 exd5 6. d4 Bg4 7. 0-0 Nxd4 8. Qe1+ Qe7 9. Nxd4 cxd4 10. Qd2 Nf6 11. Qxd4 Qb4 12. Be3 Be6 13. a3 Qxd4 14. Bxd4 Ne4 15. c4 f5 16. cxd5 Bxd5 17. Nc3 Nxc3 18. Bxc3 Bxg2 19. Kxg2 Rd8 20. Rad1 Rxd1 21. Rxd1 Rg8 22. Rd5 g6 23. Kf3 1/2-1/2

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.01"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Rey, Fernando"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2151"]
[BlackElo "1646"]
[PlyCount "43"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[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 Re8 9. Nd2 a5 10. Be2 Kh8 11. g4 Ng8 12. h4 h6 13. g5 Nf8 14. h5 Kh7 15. Bg4 Bxg4 16. Qxg4 Qc8 17. Qf3 Qd7 18. 0-0-0 Qe7 19. Rdg1 Rad8 20. Qg2 Rd7 21. Nf3 c6 22. Nh4 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.27"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Marcolino, Antonio Claudio H"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2155"]
[BlackElo "1925"]
[PlyCount "59"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. a3 d5 5. cxd5 exd5 6. Nc3 Be7 7. g3 0-0 8. Bg2 Bb7 9. 0-0 c5 10. Bg5 Nbd7 11. Rc1 Re8 12. e3 h6 13. Bxf6 Nxf6 14. Ne5 cxd4 15. exd4 Bf8 16. Qb3 Rc8 17. Rfe1 Rc7 18. Bh3 Bc8 19. Bf1 Re6 20. Nb5 Rxc1 21. Rxc1 a5 22. Nc6 Qe8 23. Nc7 Qxc6 24. Rxc6 Rxc6 25. Nxd5 Nxd5 26. Qxd5 Rc1 27. Kg2 Rc7 28. Qb3 Bb7+ 29. f3 Rd7 30. Qxb6 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.26"]
[Round "8"]
[White "Cezar, Ricardo de Almeida"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "E33"]
[WhiteElo "1809"]
[BlackElo "2155"]
[PlyCount "36"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. cxd5 exd5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Ne4 10. e3 Qe7 11. Bd3 Nxg3 12. hxg3 g4 13. Nd2 Nxd4 14. Qa4+ Bd7 15. Nxd5 Bxa4 16. Nxe7 Kxe7 17. exd4 Rad8 18. Rc1 Rxd4 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.25"]
[Round "7"]
[White "Da Silva, Lucas Pereira Mende"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1974"]
[BlackElo "2155"]
[PlyCount "63"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Nce2 Nc6 9. c3 Nxd4 10. cxd4 Bb4+ 11. Nc3 Nf6 12. 0-0 Bb7 13. Qf3 0-0 14. d5 Bc5 15. Bg5 Bd4 16. Bxf6 gxf6 17. Qh3 Rfc8 18. Ne2 Bxb2 19. Rad1 f5 20. exf5 Bxd5 21. fxe6 dxe6 22. Qxh7+ Kf8 23. Nf4 Rd8 24. Bg6 Ra7 25. Nxd5 Rxd5 26. Rxd5 exd5 27. Bd3 Rc7 28. Qh4 Qf6 29. Qb4+ Kg8 30. Qg4+ Qg7 31. Qh4 Qf6 32. Qg3+ 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.24"]
[Round "6"]
[White "Piasetski, Leon David"]
[Black "Ferreira, Andrei Dias"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2155"]
[BlackElo "1977"]
[PlyCount "49"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. Nc3 a6 7. Re1 Be7 8. e4 d6 9. d4 cxd4 10. Nxd4 Qc7 11. b3 b5 12. Bb2 bxc4 13. Rc1 Nbd7 14. Na4 Rc8 15. Rxc4 Qb8 16. Rb4 0-0 17. e5 d5 18. Rxb7 Qxb7 19. exf6 Bxf6 20. Bf1 Nb6 21. Nc3 Qa7 22. Ba1 Nd7 23. Na4 Nc5 24. Nc3 Nd7 25. Na4 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "Eger, Laura Luisa"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2155"]
[BlackElo "1848"]
[PlyCount "69"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Be2 h6 7. 0-0 Be7 8. Nc3 0-0 9. d4 a5 10. Bd3 Bxd3 11. Qxd3 Nbd7 12. Rad1 Qc7 13. h3 Rfd8 14. a3 Nb6 15. Ne5 dxc4 16. bxc4 Nfd7 17. f4 Nf6 18. e4 a4 19. Qc2 c5 20. Nb5 Qc8 21. d5 Ne8 22. dxe6 Qxe6 23. f5 Qc8 24. Ng4 Qc6 25. Ne5 Qc8 26. Rxd8 Bxd8 27. Ng4 Nf6 28. Bxf6 Bxf6 29. e5 Bg5 30. e6 Qf8 31. Qe4 h5 32. Ne5 fxe6 33. fxe6 Bf6 34. Ng6 Qd8 35. Qxb7 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "3"]
[White "Tari, Aryan"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2623"]
[BlackElo "2155"]
[PlyCount "65"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bf4 c6 5. Qd2 b5 6. Bd3 Nbd7 7. Nf3 Nb6 8. h3 Bb7 9. 0-0 Bg7 10. Bh6 0-0 11. e5 Nfd5 12. Ne4 f6 13. Rae1 a5 14. c3 Nc4 15. Bxc4 bxc4 16. exd6 exd6 17. Bf4 Nxf4 18. Qxf4 c5 19. dxc5 Bxe4 20. Qxe4 d5 21. Qe6+ Kh8 22. Nd4 Rc8 23. Qa6 Ra8 24. Qc6 Rc8 25. Qa4 Re8 26. Ne6 Qe7 27. Re2 Qa7 28. Rfe1 Bh6 29. Qd1 Qd7 30. Qd4 Bg7 31. b3 cxb3 32. axb3 Rc6 33. Qa4 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Piasetski, Leon David"]
[Black "Barbosa, Flavio Novais"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2155"]
[BlackElo "1827"]
[PlyCount "71"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 e6 8. d3 b6 9. Nbd2 Bb7 10. b4 Qe7 11. Rb1 Rd8 12. Qc2 Ne8 13. Bxg7 Kxg7 14. d4 Nd7 15. e4 b5 16. exd5 exd5 17. Rfe1 Qf6 18. c5 a5 19. a3 a4 20. Re3 Nc7 21. Rbe1 Re8 22. Bh3 Rxe3 23. Rxe3 Ne6 24. Bxe6 fxe6 25. Qd1 Re8 26. Qe2 Bc8 27. Ne5 Nxe5 28. Rxe5 Rf8 29. Kg2 Re8 30. Qe3 Bd7 31. Nf3 Re7 32. h4 Be8 33. Nh2 Bd7 34. Ng4 Qf8 35. h5 Rf7 36. hxg6 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.20"]
[Round "1"]
[White "Cunha, Rodrigo Azalim"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1540"]
[BlackElo "2155"]
[PlyCount "62"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 a6 4. Bg2 b5 5. Nf3 Bb7 6. Qe2 Nc6 7. 0-0 Nge7 8. a3 Nd4 9. Nxd4 cxd4 10. Nd1 Nc6 11. c3 Bc5 12. d3 0-0 13. Kh1 Qe7 14. f4 Rae8 15. f5 exf5 16. Rxf5 g6 17. Rxc5 Qxc5 18. Bh6 d5 19. Qf2 dxe4 20. Bxe4 Qh5 21. Bxf8 Rxe4 22. dxe4 Ne5 23. Qxd4 Qf3+ 24. Kg1 Bxe4 25. Ne3 Qh1+ 26. Kf2 Qxh2+ 27. Ng2 Qxg2+ 28. Ke3 Ng4+ 29. Kf4 Qf3+ 30. Kg5 Qf5+ 31. Kh4 Qh5# 0-1

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.12"]
[Round "6"]
[White "Aljo, Johan"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1686"]
[BlackElo "2176"]
[PlyCount "100"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. a3 Bxd2+ 7. Nxd2 d6 8. Ngf3 Qe7 9. 0-0 a4 10. Qc2 e5 11. e4 Bd7 12. Rfe1 Nc6 13. Qc3 Rfe8 14. Rad1 Bg4 15. d5 Nd4 16. h3 Nxf3+ 17. Nxf3 Bxf3 18. Bxf3 Nd7 19. Kh2 Nc5 20. Bh1 Ra6 21. f4 Rb6 22. f5 Rb3 23. Qc2 Qg5 24. Rg1 b5 25. cxb5 Rb8 26. h4 Qe3 27. Qg2 R8xb5 28. Rd2 Qxd2 29. Qxd2 Rxb2 30. Rg2 Rxd2 31. Rxd2 Rb3 32. Ra2 h5 33. Bg2 Kf8 34. Ra1 Ke7 35. Ra2 Kd8 36. Ra1 Kc8 37. f6 g6 38. Bh3+ Kd8 39. Bg2 Nd7 40. Bh3 Nxf6 41. Rf1 Ke7 42. Rc1 Ne8 43. Ra1 Re3 44. Bg2 Nf6 45. Rc1 Ng4+ 46. Kh3 Kd8 47. Rf1 f6 48. Bf3 f5 49. exf5 gxf5 50. Kg2 Rxa3 0-1

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.12"]
[Round "5"]
[White "Piasetski, Leon David"]
[Black "Suominen, David"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2176"]
[BlackElo "1711"]
[PlyCount "85"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Qc2 Be7 8. Nc3 0-0 9. 0-0 Nbd7 10. d4 b6 11. Rd1 Bb7 12. e4 a6 13. Bf4 Rc8 14. a3 Re8 15. h3 Nf8 16. Ne5 Ng6 17. Be3 Bf8 18. Bg5 h6 19. Nxg6 hxg5 20. Nxf8 Rxf8 21. Rd2 c6 22. e5 Nd5 23. Ne4 Rc7 24. Nd6 Ba8 25. b4 Ne7 26. Rc1 Nc8 27. Ne4 Rd7 28. Rcd1 Qe7 29. Qb3 Rfd8 30. Qe3 f6 31. f4 gxf4 32. Qxf4 f5 33. Ng5 Qe8 34. g4 Qg6 35. gxf5 Qxf5 36. Qh4 Qg6 37. Be4 Qh6 38. Qxh6 gxh6 39. Nxe6 Re8 40. Rg2+ Kh8 41. Rg6 Rg8 42. Rxg8+ Kxg8 43. Rf1 1-0

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.11"]
[Round "4"]
[White "Kaufman, Raymond"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2146"]
[BlackElo "2176"]
[PlyCount "42"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 d6 8. Nc3 Nf6 9. g4 h6 10. g5 hxg5 11. Bxg5 Nbd7 12. f4 Qb6 13. e5 Rh3 14. exf6 gxf6 15. Nd5 Qc6 16. Be4 fxg5 17. Nf6+ Nxf6 18. Bxc6+ bxc6 19. 0-0-0 Be3+ 20. Kb1 Bxf4 21. Qg2 Nh7 1-0

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.11"]
[Round "3"]
[White "Piasetski, Leon David"]
[Black "Tolentino, Patrick Angelo"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2176"]
[BlackElo "2103"]
[PlyCount "85"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 d4 5. 0-0 Be7 6. b4 0-0 7. Bb2 c5 8. e3 dxe3 9. fxe3 cxb4 10. d4 Qc7 11. Nbd2 b6 12. e4 Bb7 13. Qe2 h6 14. e5 Nh7 15. Ne4 Nd7 16. Rac1 Rad8 17. d5 exd5 18. cxd5 Bc5+ 19. Nxc5 Nxc5 20. d6 Qd7 21. Rfd1 a5 22. Bd4 Rc8 23. Qe3 Qa4 24. Bh3 Rcd8 25. Bxc5 Bxf3 26. Qxf3 Ng5 27. Qf1 Nxh3+ 28. Qxh3 bxc5 29. e6 fxe6 30. Qxe6+ Kh8 31. d7 c4 32. Rf1 Qxa2 33. Rxf8+ Rxf8 34. Rf1 Rxf1+ 35. Kxf1 Qb1+ 36. Kg2 Qc2+ 37. Kh3 Qd3 38. Qe8+ Kh7 39. d8Q Qf5+ 40. Kg2 Qc2+ 41. Kf3 Qf5+ 42. Ke3 Qc5+ 43. Ke4 1-0

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.10"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Darvekar, Yash"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2176"]
[BlackElo "1817"]
[PlyCount "47"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 e6 5. Bb2 Nbd7 6. d4 Bd6 7. Bd3 0-0 8. 0-0 b6 9. Nc3 Bb7 10. Qe2 Re8 11. Rfd1 e5 12. dxe5 Nxe5 13. cxd5 Nxd5 14. Nxd5 cxd5 15. Nxe5 Bxe5 16. Bxh7+ Kh8 17. Bd3 Qh4 18. Bxe5 Rxe5 19. Qf3 Rd8 20. Qf4 f6 21. Qxf6 Ba8 22. Qf7 Rg5 23. Bf1 Qh6 24. Rd4 1-0

[Event "Banff op"]
[Site "Banff"]
[Date "2023.11.10"]
[Round "2"]
[White "Zhu, Brandon"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1998"]
[BlackElo "2176"]
[PlyCount "108"]
[EventDate "2023.11.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. Nf3 Bf5 5. e3 e6 6. Ne5 h5 7. Bd3 Nbd7 8. Bxf5 exf5 9. Qd3 g6 10. 0-0 Nxe5 11. dxe5 Nd7 12. f3 Nc5 13. Qe2 Qb6 14. Rab1 Ne6 15. Kh1 Bg7 16. Bg3 0-0 17. Qd2 Qc7 18. e4 dxe4 19. fxe4 Rad8 20. Qf2 f4 21. Bxf4 Nxf4 22. Qxf4 Bxe5 23. Qg5 Bxh2 24. Ne2 Be5 25. Nf4 Bg7 26. Nd3 Rfe8 27. Rbe1 Rd4 28. Rf4 Qe7 29. Qg3 c5 30. c3 Rd7 31. e5 h4 32. Qh3 b6 33. Rfe4 Qe6 34. Qe3 Qf5 35. Nf2 Rxe5 36. Rxe5 Bxe5 37. Qxe5 Qxf2 38. Re2 Qf5 39. Re1 Qf2 40. Re2 Rd1+ 41. Kh2 Qg3+ 42. Qxg3 hxg3+ 43. Kxg3 Rd7 44. a4 f6 45. a5 Kf7 46. axb6 axb6 47. Kf4 b5 48. g4 Rd3 49. g5 b4 50. cxb4 cxb4 51. gxf6 Kxf6 52. Re4 b3 53. Rb4 Rh3 54. Kg4 Ke5 1/2-1/2

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.04"]
[Round "10.5"]
[White "Bian, Erin"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2010"]
[BlackElo "2218"]
[PlyCount "55"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Challengers"]
[BlackTeam "Masters"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nf6 5. Nc3 0-0 6. Qd2 Ng4 7. Bg5 f6 8. h3 Nxf2 9. Qxf2 fxg5 10. Bc4+ e6 11. Qe3 Nc6 12. 0-0-0 a6 13. a3 b5 14. Ba2 Qf6 15. Nd5 exd5 16. Bxd5+ Kh8 17. Bxc6 Rb8 18. Nxg5 Rb6 19. Bd5 c6 20. Bb3 Rb7 21. e5 Qe7 22. Rhf1 d5 23. Kb1 b4 24. axb4 Rxb4 25. Rxf8+ Qxf8 26. Qc3 Bd7 27. e6 Be8 28. e7 1-0

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.04"]
[Round "9.5"]
[White "Piasetski, Leon David"]
[Black "Bian, Erin"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2218"]
[BlackElo "2010"]
[PlyCount "66"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Masters"]
[BlackTeam "Challengers"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 a5 4. Nf3 d6 5. a3 Bc5 6. e3 Nf6 7. d4 Nxd5 8. cxd5 exd4 9. exd4 Bb6 10. Bg5 f6 11. Be3 0-0 12. Bd3 f5 13. g3 Qf6 14. h4 Bd7 15. Bc4 f4 16. gxf4 Bg4 17. Be2 h6 18. Rg1 Qf5 19. Qd2 Qh5 20. Rxg4 Qxg4 21. 0-0-0 Qf5 22. h5 Qxh5 23. Qc2 Qf5 24. Bd3 Qh3 25. Bh7+ Kh8 26. Rg1 Qxf3 27. Qg6 Bxd4 28. Bxd4 Qxf4+ 29. Be3 Qf6 30. Qc2 Nd7 31. Kb1 Rae8 32. Qxc7 Kxh7 33. Qxd7 Qf5+ 0-1

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.03"]
[Round "8.5"]
[White "Piasetski, Leon David"]
[Black "Vijayakumar, Advaith"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2218"]
[BlackElo "2024"]
[PlyCount "139"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Masters"]
[BlackTeam "Challengers"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Be7 5. e3 0-0 6. d4 c5 7. Bd3 Nc6 8. 0-0 b6 9. Nbd2 Bb7 10. Rc1 Rc8 11. Qe2 cxd4 12. exd4 Nd7 13. Rfd1 Bd6 14. Nf1 Qe7 15. Ne3 Nf6 16. Bb1 Ba3 17. c5 Bxb2 18. Qxb2 bxc5 19. dxc5 a5 20. a3 Ba6 21. Nd4 Qb7 22. Nxc6 Rxc6 23. Rd4 Rfc8 24. Ng4 Nxg4 25. Rxg4 f5 26. Rg3 Rxc5 27. Re1 Qc7 28. Rge3 Rc6 29. h3 Kf7 30. Re5 g6 31. Qd2 Bb7 32. Bd3 Ba6 33. Bxa6 Rxa6 34. Qh6 Kg8 35. Rxe6 Rxe6 36. Rxe6 d4 37. Re1 d3 38. Qe3 Rd8 39. Rd1 d2 40. g3 Qd6 41. Kh2 Kf8 42. Qh6+ Kg8 43. Qe3 h5 44. h4 Kf8 45. Kg2 Qd5+ 46. Kh2 Qd6 47. Kg2 Rd7 48. Qh6+ Kf7 49. Qe3 Qd5+ 50. Kh2 Qd6 51. Kg2 Qd3 52. Qh6 Qxb3 53. Rxd2 Rxd2 54. Qxd2 Qxa3 55. Qd5+ Kg7 56. Qe5+ Kh7 57. Qc7+ Kh6 58. Qf4+ Kg7 59. Qe5+ Kf7 60. Qd5+ Ke7 61. Qe5+ Kf7 62. Qd5+ Kf8 63. Qd8+ Kg7 64. Qd4+ Kh7 65. Qa7+ Kh6 66. Qd4 Kh7 67. Qd7+ Kh6 68. Qd2+ Kg7 69. Qd4+ Kf8 70. Qd8+ 1/2-1/2

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.03"]
[Round "7.5"]
[White "Vijayakumar, Advaith"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2024"]
[BlackElo "2218"]
[PlyCount "69"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Challengers"]
[BlackTeam "Masters"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd2 Bb7 6. Nf3 0-0 7. Bd3 c5 8. a3 Bxc3 9. Bxc3 Ne4 10. Bxe4 Bxe4 11. dxc5 bxc5 12. Qd6 Nc6 13. Qxc5 d6 14. Qg5 e5 15. Qxd8 Rfxd8 16. Ke2 f6 17. Rhd1 Kf7 18. Rac1 a5 19. g4 g5 20. h4 h6 21. Nd2 Bg6 22. hxg5 hxg5 23. b4 a4 24. Nf1 f5 25. gxf5 Bh5+ 26. f3 e4 27. Nh2 Ne5 28. Bxe5 dxe5 29. Ng4 Bxg4 30. fxg4 Rh8 31. Rh1 Rad8 32. c5 Rxh1 33. Rxh1 Rd3 34. Rc1 Rxa3 35. c6 1-0

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.02"]
[Round "5.5"]
[White "Piasetski, Leon David"]
[Black "Vemparala, Nikash"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2218"]
[BlackElo "2187"]
[PlyCount "32"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Masters"]
[BlackTeam "Challengers"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 4. 0-0 Bd6 5. d3 0-0 6. Nbd2 e5 7. e4 c6 8. d4 Nbd7 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. exd5 Nxd5 12. Nc4 Bf6 13. c3 Be6 14. Ne3 Nxe3 15. Bxe3 Qa5 16. a4 Rfd8 1/2-1/2

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.02"]
[Round "6.5"]
[White "Vemparala, Nikash"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2187"]
[BlackElo "2218"]
[PlyCount "75"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Challengers"]
[BlackTeam "Masters"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. 0-0 Nc6 7. h3 Nd7 8. Bc2 e5 9. Be3 Nb6 10. Qe2 Qe7 11. a4 exd4 12. cxd4 d5 13. Nc3 dxe4 14. Bxe4 a5 15. Rfe1 Be6 16. Rad1 Bb3 17. Bc2 Bxc2 18. Qxc2 Nb4 19. Qb3 c6 20. Bg5 Qd7 21. Be7 Rfe8 22. Bxb4 axb4 23. Qxb4 Nd5 24. Nxd5 cxd5 25. b3 Re4 26. Ng5 Rxe1+ 27. Rxe1 Bf8 28. Qc3 Rc8 29. Qe3 Bh6 30. Qg3 Bg7 31. Qd3 Qc7 32. Nf3 Qf4 33. Qb5 Rc1 34. Qxd5 Rxe1+ 35. Nxe1 Bxd4 36. Nf3 Qf6 37. Qxb7 h5 38. Qd5 1-0

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.09.01"]
[Round "4.5"]
[White "Piasetski, Leon David"]
[Black "He, Anthony B"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2218"]
[BlackElo "2515"]
[PlyCount "122"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Masters"]
[BlackTeam "Challengers"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. Nf3 d5 2. c4 d4 3. b4 f6 4. Na3 e5 5. Nc2 a5 6. b5 Nh6 7. d3 Nf5 8. g3 Nd7 9. Bg2 Be7 10. Nd2 0-0 11. 0-0 Rb8 12. Ne4 Nc5 13. Nxc5 Bxc5 14. e3 dxe3 15. fxe3 Be6 16. Qe2 Qe7 17. a4 b6 18. Ba3 Rbd8 19. Kh1 Bxa3 20. Rxa3 Qf7 21. Rc3 h5 22. Bf3 g6 23. Qg2 Kg7 24. Bd5 Qd7 25. e4 Nd6 26. Bc6 Qc8 27. Qe2 Bh3 28. Rg1 Nf7 29. Ne3 Ng5 30. g4 hxg4 31. Nxg4 Bxg4 32. Qxg4 Qxg4 33. Rxg4 Ne6 34. Bd5 Nc5 35. Ra3 Rh8 36. Rg3 Rh4 37. Kg2 Rdh8 38. h3 Rf4 39. Ra2 g5 40. Ra1 Kf8 41. Ra3 Ke7 42. Kg1 Kd6 43. Kg2 Rh6 44. Kg1 Nd7 45. Bc6 Nf8 46. c5+ bxc5 47. Bd5 Rfh4 48. Rb3 Nd7 49. Kg2 Nb6 50. Bc6 Rf4 51. Rc3 Rhh4 52. Rc1 g4 53. hxg4 Rhxg4 54. Rxg4 Rxg4+ 55. Kf3 Rh4 56. Rg1 Nxa4 57. Ra1 Nb2 58. Rxa5 Nxd3 59. Ra8 c4 60. Ke3 Rh3+ 61. Kd2 Nb4 0-1

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.08.31"]
[Round "3.5"]
[White "He, Anthony B"]
[Black "Piasetski, Leon David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2515"]
[BlackElo "2218"]
[PlyCount "73"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Challengers"]
[BlackTeam "Masters"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 Nf5 8. Nc2 cxd4 9. cxd4 Be7 10. 0-0 0-0 11. Bd3 f6 12. Bxf5 exf5 13. Re1 fxe5 14. dxe5 Be6 15. Ncd4 Nxd4 16. Qxd4 h6 17. Be3 Qd7 18. h4 b6 19. Qf4 Rac8 20. b3 Ba3 21. Re2 Rc7 22. Rd1 Rfc8 23. Red2 Rc1 24. Kh2 Rxd1 25. Rxd1 Rc2 26. Qg3 Kh7 27. h5 Bf7 28. Nd4 Bxh5 29. Nxc2 Bxd1 30. Nxa3 d4 31. e6 Qd5 32. e7 Bh5 33. Bf4 g5 34. Bd2 Qc5 35. Qh3 Qd6+ 36. Kg1 Qxa3 37. Qxf5+ 1-0

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.08.30"]
[Round "2.5"]
[White "Thomas, Damarcus T"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1685"]
[BlackElo "2218"]
[PlyCount "74"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Challengers"]
[BlackTeam "Masters"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 g6 2. c4 c5 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 d6 6. Nge2 Bd7 7. 0-0 Qc8 8. Nf4 h5 9. Nfd5 Nd4 10. d3 h4 11. Bf4 Bh6 12. Qd2 Kf8 13. Rae1 Bh3 14. Bxh6+ Rxh6 15. f4 hxg3 16. f5 Bxg2 17. Qxg2 gxf5 18. hxg3 e6 19. Ne3 Ne7 20. exf5 Nexf5 21. Nxf5 Nxf5 22. g4 Rg6 23. Ne4 Kg7 24. Qf3 Qh8 25. Re2 Kf8 26. Rg2 Qd4+ 27. Rff2 Nh6 28. Rh2 Rxg4+ 29. Kf1 Nf5 30. Rh5 Qg7 31. Rxf5 Rg1+ 32. Ke2 Qxb2+ 33. Nd2 exf5 34. Qxf5 Re8+ 35. Kf3 Qd4 36. Ne4 Qxd3+ 37. Kf4 Rxe4+ 0-1

[Event "Redmond PNWCC Artist 2"]
[Site "Redmond"]
[Date "2023.08.29"]
[Round "1.5"]
[White "Piasetski, Leon David"]
[Black "Thomas, Damarcus T"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2218"]
[BlackElo "1685"]
[PlyCount "85"]
[EventDate "2023.08.29"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]
[WhiteTeam "Masters"]
[BlackTeam "Challengers"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 g6 6. Bg2 Bg7 7. Rb1 c6 8. Nf3 0-0 9. Qa4 Nd7 10. 0-0 Nb6 11. Qc2 e5 12. d3 h6 13. a4 Re8 14. Nd2 Qc7 15. Ba3 Bf5 16. a5 Nc8 17. Qa4 Rb8 18. c4 a6 19. Bc5 Bf8 20. Bxf8 Rxf8 21. Rb2 Bd7 22. Rfb1 f5 23. Qa3 Nd6 24. Qc3 Rfe8 25. e3 Kh7 26. Nb3 c5 27. Nd2 e4 28. dxe4 fxe4 29. Rb6 Bc6 30. Qa3 Re5 31. Qc3 Re7 32. Qc2 Rf8 33. Rxc6 bxc6 34. Nxe4 Nxe4 35. Bxe4 Qd6 36. Rb6 Qf6 37. Rxc6 Re6 38. Rxe6 Qxe6 39. Kg2 Rb8 40. h4 Qf6 41. Bf3 Kg7 42. Qd3 Rd8 43. Qe4 1/2-1/2

[Event "Canadian op"]
[Site "Calgary"]
[Date "2023.07.30"]
[Round "10"]
[White "Yam, Alex"]
[Black "Piasetski, Leon David"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2277"]
[BlackElo "2230"]
[PlyCount "61"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Nc6 8. Ngf3 cxd4 9. exd4 Bxg3 10. hxg3 h6 11. Ne5 Nxe5 12. dxe5 Nd7 13. Nf3 f6 14. Rh5 Qe8 15. g4 f5 16. Rh4 fxg4 17. Rxg4 Rxf3 18. gxf3 Nxe5 19. Rg3 Qf7 20. Bc2 Qf4 21. Qe2 Bd7 22. Qe3 Rf8 23. Qxf4 Rxf4 24. Ke2 g5 25. b3 Be8 26. Ke3 Bh5 27. Rh1 Bxf3 28. Rxh6 Ng4+ 29. Rxg4 Bxg4 30. Rg6+ Kf7 31. Rxg5 1/2-1/2

[Event "Canadian op"]
[Site "Calgary"]
[Date "2023.07.29"]
[Round "9"]
[White "Piasetski, Leon David"]
[Black "Song, Ethan"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2230"]
[BlackElo "2027"]
[PlyCount "71"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. d4 0-0 6. 0-0 b6 7. cxd5 exd5 8. Nc3 Bb7 9. Ne5 Ne4 10. Qb3 c5 11. dxc5 Nxc5 12. Qc2 Bf6 13. Ng4 Bxc3 14. bxc3 Nba6 15. Rd1 Re8 16. Ne3 Ne4 17. Bb2 Qg5 18. Qc1 Rad8 19. c4 dxc4 20. Rxd8 Rxd8 21. Qxc4 Nac5 22. Re1 h6 23. Qc1 Rc8 24. Qd1 Rd8 25. Qa1 f6 26. Rd1 Re8 27. Qc1 Qh5 28. Qc4+ Qf7 29. Qxf7+ Kxf7 30. Nf5 Bc8 31. Nd4 Ba6 32. e3 Nd3 33. Bxe4 Rxe4 34. Ba3 Re8 35. Nc6 Rc8 36. Nb4 1/2-1/2

[Event "Canadian op"]
[Site "Calgary"]
[Date "2023.07.28"]
[Round "8"]
[White "Kostadinov, George"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2076"]
[BlackElo "2230"]
[PlyCount "84"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Bxd2+ 6. Qxd2 d5 7. cxd5 exd5 8. Nc3 c6 9. Nf3 0-0 10. 0-0 Nbd7 11. Rfe1 Re8 12. e4 Nxe4 13. Nxe4 dxe4 14. Ng5 f5 15. d5 Ne5 16. d6 Qf6 17. f4 exf3 18. Nxf3 Nxf3+ 19. Bxf3 Bd7 20. a4 Rad8 21. a5 a6 22. Qb4 Be6 23. Rad1 Rd7 24. Rd2 Red8 25. Qc5 Bf7 26. Qb4 h6 27. Ree2 g5 28. h3 h5 29. Rd4 g4 30. hxg4 hxg4 31. Bxg4 fxg4 32. Rf2 Qe6 33. Rxg4+ Bg6 34. Rff4 Rg7 35. Rd4 Qe3+ 36. Kg2 Qe2+ 37. Kg1 Rdd7 38. Qc5 Bd3 39. Qh5 Qf1+ 40. Kh2 Qf2+ 41. Kh1 Qe1+ 42. Kh2 Bf1 0-1

[Event "Canadian op"]
[Site "Calgary"]
[Date "2023.07.27"]
[Round "7"]
[White "Piasetski, Leon David"]
[Black "Tolentino, Patrick Angelo"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2230"]
[BlackElo "2078"]
[PlyCount "101"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. cxd5 exd5 5. Nc3 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 0-0 9. a3 Bxc3+ 10. Rxc3 Nc6 11. e3 Ne7 12. Be2 c6 13. 0-0 Nf5 14. b4 a6 15. a4 Nd6 16. Nd2 g6 17. Qb3 Be6 18. Rfc1 Rfb8 19. Bd3 Kg7 20. Qd1 Bf5 21. Bf1 Qd8 22. Qb3 Be6 23. Qa3 Qe7 24. Qb2 Bd7 25. Ra3 Be8 26. Nb3 Kh7 27. Nc5 Ra7 28. Rca1 Rba8 29. a5 Rd8 30. Na4 Raa8 31. Nb6 Rab8 32. f3 Bd7 33. Qc3 Re8 34. Qc5 Rbd8 35. Re1 Bf5 36. g4 Bc8 37. Bg2 Qg5 38. h3 h5 39. e4 hxg4 40. hxg4 Qh4 41. Ree3 dxe4 42. fxe4 Qxg4 43. Nxc8 Nxc8 44. Rh3+ Kg7 45. Rag3 Qd1+ 46. Kh2 Qxd4 47. Qg5 Rh8 48. e5 Qf2 49. Rf3 Rxh3+ 50. Rxh3 Rh8 51. Rxh8 1/2-1/2

