[Event "Prague op 22nd"]
[Site "Prague"]
[Date "2024.01.07"]
[Round "4"]
[White "Shagbazyan, Taron"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "E29"]
[WhiteElo "2403"]
[BlackElo "1955"]
[PlyCount "71"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Ne7 11. 0-0 Ng6 12. Bd2 Nh5 13. f3 Nhf4 14. Bxf4 exf4 15. Qd2 Qg5 16. g3 f5 17. Nxf4 fxe4 18. fxe4 Bh3 19. Rf2 Nxf4 20. Rxf4 Rf6 21. Rd1 Raf8 22. Rxf6 Qxf6 23. Re1 Qe5 24. Re3 h5 25. Be2 h4 26. Qd3 Rf6 27. Rf3 Rg6 28. Kf2 Bg4 29. Rf4 hxg3+ 30. hxg3 Bxe2 31. Kxe2 Qh5+ 32. Qf3 Qh2+ 33. Qf2 Qh1 34. Qf3 Qh2+ 35. Qf2 Qh1 36. Qf3 1/2-1/2

[Event "Prague op 22nd"]
[Site "Prague"]
[Date "2024.01.06"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Gomes, Mary Ann"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1955"]
[BlackElo "2332"]
[PlyCount "104"]
[EventDate "2024.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2 0-0 9. c4 a6 10. d4 cxd4 11. Nxd4 Qa5 12. Nc3 Qh5 13. Rfd1 Qxe2 14. Ndxe2 Rfd8 15. f3 Rac8 16. Ba3 Ne8 17. Rac1 g5 18. Kf2 Ne5 19. Rd2 Rc7 20. Rcd1 Rb8 21. Bb2 b5 22. cxb5 axb5 23. Nd4 b4 24. Na4 Nf6 25. Rc2 Rxc2+ 26. Nxc2 Nfd7 27. Ke2 Nc6 28. Ne3 Nc5 29. Nxc5 dxc5 30. Nc4 Ra8 31. Ra1 f6 32. Kd3 Kf7 33. Kc2 h5 34. Bc1 f5 35. e5 f4 36. a4 bxa3 37. Bxa3 Nd4+ 38. Kc3 Kg6 39. Nd6 Nc6 40. Nc4 Kf5 41. Re1 Nd4 42. h3 Rb8 43. Rb1 Rd8 44. Ra1 Rg8 45. Nd6+ Bxd6 46. exd6 Nb5+ 47. Kc4 Nxd6+ 48. Kxc5 Nf7 49. b4 Rc8+ 50. Kb6 Nd6 51. b5 Nxb5 52. Kxb5 Rc2 1/2-1/2

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.27"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Cichon, Jakub"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2044"]
[BlackElo "1936"]
[PlyCount "119"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Nf6 5. Bd3 Nc6 6. Ne2 Bg4 7. 0-0 e6 8. Qe1 Bd6 9. Bg5 Qc7 10. f3 Bh5 11. Bxf6 gxf6 12. Qh4 Bg6 13. Bxg6 fxg6 14. Qxf6 Kd7 15. h3 Raf8 16. Qg5 h6 17. Qxg6 Ne7 18. Qd3 Rhg8 19. Nd2 Rg7 20. c4 Nf5 21. cxd5 exd5 22. Kh1 Qd8 23. f4 Qh4 24. Nf3 Qh5 25. Ne5+ Bxe5 26. fxe5 Ke7 27. Nf4 Qg5 28. Qa3+ Kf7 29. Qxf8+ Kxf8 30. Ne6+ Ke7 31. Nxg5 Ng3+ 32. Kh2 Nxf1+ 33. Rxf1 Rxg5 34. Rf6 h5 35. Rd6 Rf5 36. Rxd5 Rf2 37. Rb5 b6 38. Kg3 Rd2 39. d5 Re2 40. Kf3 Rxe5 41. d6+ Kxd6 42. Rxe5 Kxe5 43. g4 h4 44. a4 a6 45. b4 b5 46. a5 Kf6 47. Kf4 Kg6 48. Ke5 Kg5 49. Kd6 Kf4 50. Kc5 Kg3 51. g5 Kxh3 52. g6 Kg2 53. g7 h3 54. g8Q+ Kf2 55. Kb6 h2 56. Qh7 Kg2 57. Kxa6 h1Q 58. Qxh1+ Kxh1 59. Kxb5 Kg2 60. a6 1-0

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.26"]
[Round "8"]
[White "Murawski, Jan"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1958"]
[BlackElo "2044"]
[PlyCount "79"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Nc3 c6 9. e4 d5 10. exd5 cxd5 11. Ne5 Ne4 12. cxd5 Nxc3 13. bxc3 Bxd5 14. Bxd5 Qxd5 15. c4 Qb7 16. Qf3 Qxf3 17. Nxf3 Rd8 18. Be3 Nc6 19. Rac1 Rac8 20. Rfd1 Na5 21. c5 b5 22. Rb1 a6 23. a4 b4 24. Bd2 Nc6 25. Bxb4 Nxb4 26. Rxb4 Bxc5 27. Rb7 a5 28. d5 Rxd5 29. Rxd5 exd5 30. Rb5 Bb4 31. Rxd5 f6 32. Rd7 Rc1+ 33. Kg2 Ra1 34. Nd4 Rxa4 35. Ne6 g6 36. Rg7+ Kh8 37. Ra7 Kg8 38. Rg7+ Kh8 39. Ra7 Kg8 40. Rg7+ 1/2-1/2

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.25"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Cichon, Bartlomiej"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2044"]
[BlackElo "1933"]
[PlyCount "71"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 Ngf6 6. c3 b5 7. Bc2 c4 8. a4 Bb7 9. Re1 Nc5 10. axb5 axb5 11. Rxa8 Qxa8 12. Nd4 Bc6 13. Na3 Qb7 14. Nxc6 Qxc6 15. d4 Ncd7 16. e5 dxe5 17. dxe5 Nd5 18. e6 fxe6 19. Be4 N7f6 20. Bf3 Kf7 21. Nc2 Qd6 22. Nd4 Nc7 23. Qe2 h5 24. Nc6 Nd7 25. Rd1 Nd5 26. Nd8+ Kf6 27. Bg5+ Kg6 28. Qe4+ Kxg5 29. Nf7+ Kf6 30. Nxd6 exd6 31. Qd4+ Ke7 32. Bxd5 exd5 33. Re1+ Kd8 34. Qxd5 Rh6 35. Qa8+ Kc7 36. Re8 1-0

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.23"]
[Round "5"]
[White "Chrzaszcz, Malvina"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "1951"]
[BlackElo "2044"]
[PlyCount "75"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bc4 Be7 9. 0-0 0-0 10. a4 Qc7 11. Qe2 b6 12. f5 Bb7 13. Bg5 h6 14. Bh4 Rfc8 15. b3 Re8 16. Rad1 Rac8 17. Rd2 Qb8 18. Nd5 Nxd5 19. Bxd5 Bxh4 20. Nxh4 Bxd5 21. exd5 Nf6 22. Qxa6 Rc5 23. Qe2 Qd8 24. Rfd1 e4 25. g3 Rc3 26. Ng2 Qc8 27. Ne3 Qc5 28. Rd4 Rxe3 29. Qxe3 Nxd5 30. Qe1 Nc3 31. b4 Qc8 32. Ra1 e3 33. Rd3 Ne4 34. Rxe3 Qxf5 35. a5 d5 36. a6 Ra8 37. c4 Ng5 38. Qf1 1-0

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.22"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Cyborowski, Lukasz"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2044"]
[BlackElo "2493"]
[PlyCount "126"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. b3 Nb6 10. Bd3 Bg4 11. dxe5 dxe5 12. h3 Bb4 13. Bb2 Bxf3 14. Qxf3 Qe7 15. Rf1 Nfd7 16. Ne2 Qe6 17. Qh5 g6 18. Qh6 Rfe8 19. f4 Bf8 20. Qh4 exf4 21. Rxf4 Bg7 22. Bxg7 Kxg7 23. Raf1 Rf8 24. Qf2 Qe7 25. Nd4 Rad8 26. Rg4 Kh8 27. Rf4 Kg8 28. h4 Nc8 29. Nf3 Qc5 30. Qxc5 Nxc5 31. Bc4 Nd6 32. Ne5 Kg7 33. Bxf7 Ncxe4 34. Bc4 Rxf4 35. Rxf4 Re8 36. Nd3 Nxc4 37. bxc4 Nc3 38. Rf1 Re4 39. Nc5 Rxc4 40. Nxb7 Rxa4 41. Nd8 Ne2+ 42. Kf2 Nd4 43. c3 Ra2+ 44. Kg3 Nf5+ 45. Kh3 Rd2 46. Nxc6 Rd3+ 47. Kh2 a4 48. c4 Rc3 49. Ne5 a3 50. Ra1 Ne3 51. Ra2 Nc2 52. Nd3 Rxc4 53. Kg1 Rc3 54. Kf2 Rxd3 55. Rxc2 Rd7 56. Ra2 Ra7 57. g3 Kf6 58. Ke3 Kf5 59. Kf3 h5 60. Kg2 Ke4 61. g4 Kd3 62. gxh5 gxh5 63. Kf3 Ra4 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.21"]
[Round "3"]
[White "Betkowski, Andrzej"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2022"]
[BlackElo "2044"]
[PlyCount "76"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 Bf5 5. f3 c5 6. g4 Bd7 7. Nge2 e6 8. Qd2 Nc6 9. h4 Rc8 10. Bh3 cxd4 11. exd4 Qb6 12. g5 Nh5 13. Bh2 g6 14. Bg4 Ng7 15. 0-0 h5 16. gxh6 Nh5 17. Rfe1 Bxh6 18. Qd3 Bg7 19. Kg2 Nf6 20. Bg3 Nxg4 21. fxg4 Nxd4 22. Nxd4 Qxd4 23. Qf3 Bc6 24. Kh3 Qf6 25. Qd3 Qe7 26. Rad1 Bf6 27. Kg2 Rd8 28. g5 Bg7 29. Ne2 d4+ 30. Kg1 0-0 31. Nf4 e5 32. Nh3 e4 33. Qb3 e3 34. Qd3 Qe4 35. Qxe4 Bxe4 36. c3 dxc3 37. Rxd8 Rxd8 38. bxc3 Bxc3 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.19"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Razin, Vadim"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "2044"]
[BlackElo "2378"]
[PlyCount "98"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 f6 7. Ng5 Ndxe5 8. dxe5 fxg5 9. Qh5+ Kd7 10. Nf3 h6 11. 0-0 Bc5 12. c4 Nb4 13. Be2 c6 14. a3 Nc2 15. Rb1 Nd4 16. Nxd4 Bxd4 17. cxd5 cxd5 18. Be3 Bxe5 19. f4 Bf6 20. Rbc1 b6 21. Bb5+ Ke7 22. Qg6 g4 23. f5 e5 24. Rc6 Bd7 25. Rfc1 Rc8 26. Rxf6 Rxc1+ 27. Bxc1 gxf6 28. Qg7+ Kd6 29. Bxd7 Qf8 30. Qxf8+ Rxf8 31. Be6 h5 32. Kf2 Re8 33. Bh6 Rxe6 34. fxe6 Kxe6 35. g3 d4 36. Bg7 f5 37. b3 Kd5 38. Ke2 Ke4 39. Bh6 f4 40. a4 f3+ 41. Kd2 Kd5 42. b4 e4 43. a5 e3+ 44. Ke1 bxa5 45. bxa5 a6 46. Bg5 Ke4 47. Bd8 f2+ 48. Ke2 d3+ 49. Kf1 Ke5 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.02"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Chaczynski, Kamil"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2106"]
[BlackElo "2123"]
[PlyCount "53"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. b4 cxb4 7. a3 Nge7 8. axb4 0-0 9. Bxc6 dxc6 10. d3 Be6 11. Be3 Qc7 12. Nbd2 a5 13. bxa5 Rxa5 14. Qb1 Rb5 15. Qc1 c5 16. Ng5 Bd7 17. Nc4 h6 18. Nf3 Kh7 19. Nfd2 f5 20. f3 Rb4 21. c3 Ra4 22. Rxa4 Bxa4 23. Qa3 Ra8 24. Qxc5 Bc6 25. d4 exd4 26. cxd4 b5 27. Nb6 1-0

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.01"]
[Round "8"]
[White "Majek, Kacper"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2083"]
[BlackElo "2106"]
[PlyCount "53"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 b5 7. a4 b4 8. Nd5 e6 9. Nxf6+ Qxf6 10. Be3 Bb7 11. Qd2 d5 12. exd5 Bxd5 13. 0-0-0 Qd8 14. Be2 Nd7 15. Bf3 Ne5 16. Bxd5 Qxd5 17. Nb3 Qxd2+ 18. Nxd2 Be7 19. Bd4 Nc6 20. Bxg7 Rg8 21. Bh6 Nd4 22. Kb1 Rc8 23. Be3 Nf5 24. Bb6 Rc6 25. a5 Bc5 26. Bxc5 Rxc5 27. Ne4 1-0

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.30"]
[Round "7"]
[White "Niharika, Challa"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2058"]
[BlackElo "2106"]
[PlyCount "68"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. a3 Bb7 9. Qd2 Be7 10. g4 Nfd7 11. 0-0-0 Nb6 12. Kb1 N8d7 13. Qf2 Rc8 14. h4 Rxc3 15. bxc3 Na4 16. Bd2 d5 17. Qe3 Qc7 18. Nb3 Bxa3 19. Rh3 Ndb6 20. Ka2 Be7 21. Ra1 Nc4 22. Bxc4 bxc4 23. Kb1 Bc6 24. exd5 exd5 25. Ra2 Qb7 26. Qd4 0-0 27. Kc1 cxb3 28. Rxa4 Bxa4 29. Qxa4 bxc2 30. Qxc2 d4 31. cxd4 Rc8 32. Bc3 Ba3+ 33. Kd1 Bb4 34. f4 Qc7 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.29"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Markowski, Damian"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2106"]
[BlackElo "2160"]
[PlyCount "148"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 c6 6. h3 b5 7. Bd3 Nbd7 8. Nf3 Qc7 9. 0-0 0-0 10. Ne2 Nb6 11. Bf4 Nc4 12. Qc1 e5 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Be3 c5 16. c4 Rd8 17. Qc2 b4 18. a3 a5 19. axb4 cxb4 20. c5 Bb7 21. f3 Nh5 22. Bb5 Nf4 23. g3 Ne6 24. Rfc1 h5 25. h4 Ba6 26. Bxa6 Rxa6 27. Qc4 Rc6 28. Qb5 Ra8 29. Rc4 Raa6 30. Rxb4 Bf8 31. Rc4 Qa7 32. b4 Nc7 33. Qb6 Raxb6 34. cxb6 Rxb6 35. bxa5 Rb1+ 36. Kf2 Qa6 37. Rxb1 Qxc4 38. Rc1 Qb5 39. Rxc7 Qxa5 40. Rd7 Bb4 41. Rd1 Qa2 42. Rc1 Kg7 43. Rd1 Kf6 44. Rc1 Ke6 45. Rd1 Qa4 46. Rc1 Qa3 47. Rc6+ Kd7 48. Rc1 f6 49. Rc4 Qb3 50. Rc1 Ba3 51. Rg1 Kc6 52. Ra1 Kd6 53. Rg1 Bb2 54. Rb1 Qc2 55. Rg1 Ke7 56. Rf1 Bd4 57. Rc1 Qd2 58. Rc3 Kd7 59. Ra3 Kc7 60. Rb3 Kc8 61. Ra3 Kb7 62. Rb3+ Ka6 63. Ra3+ Kb5 64. Rb3+ Ka4 65. Rc3 Kb4 66. f4 Kb5 67. Ra3 Kc5 68. Rb3 Qd1 69. Rc3+ Kb4 70. Rc7 Qd3 71. Rb7+ Kc5 72. Bxd4+ exd4 73. Rd7 Qe3+ 74. Kf1 d3 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.28"]
[Round "5"]
[White "Golis, Wiktor"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1987"]
[BlackElo "2106"]
[PlyCount "81"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 b5 8. Bb3 Bb7 9. f3 Nbd7 10. a3 Rc8 11. g4 Ne5 12. Qe2 Qa5 13. 0-0 Qc7 14. g5 Nfd7 15. f4 Nc4 16. Rae1 Nxb2 17. Nd5 exd5 18. exd5 Kd8 19. Bc1 Qc3 20. Rf3 Qc5 21. Bxb2 Bxd5 22. Bxd5 Qxd5 23. Qd2 Nc5 24. Rfe3 Kd7 25. Qd1 h5 26. Qe2 Ne6 27. Nxe6 fxe6 28. Rxe6 Qc5+ 29. Qe3 Qxe3+ 30. R6xe3 Rxc2 31. Bxg7 Bxg7 32. Re7+ Kc6 33. Rxg7 Rf8 34. Rf1 Kd5 35. f5 Re8 36. Rf2 Rc4 37. f6 Rg4+ 38. Kf1 Rc8 39. Re7 Rc1+ 40. Re1 Rxe1+ 41. Kxe1 1-0

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.27"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Karpus, Michal"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2106"]
[BlackElo "2212"]
[PlyCount "70"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Rc1 Nh5 14. Bb1 Bd7 15. Qd3 g6 16. a3 Rf7 17. Ng3 Nf4 18. Qe3 Raf8 19. Bh6 Nxg2 20. Kxg2 Rxf3 21. Bxf8 Rxf8 22. Qd3 Qb6 23. Rcd1 Qxb2 24. h4 Qxa3 25. h5 Qxd3 26. Bxd3 g5 27. h6 Nxd4 28. Bxh7+ Kxh7 29. Rxd4 Kxh6 30. Ne2 Bb5 31. Rh1+ Kg6 32. Nc3 Bc6 33. f3 Be5 34. Rd3 Bxc3 35. Rxc3 d4 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.26"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Kacprzak, Karol1111"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2106"]
[BlackElo "2229"]
[PlyCount "82"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Bc4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Nc3 Nxc3 11. bxc3 dxe5 12. dxe5 Qa5 13. Bd2 Rd8 14. Bd3 Qa4 15. Rfd1 Bd7 16. c4 Be8 17. Bg5 Bxg5 18. Nxg5 h6 19. Ne4 Qa5 20. f4 Nd4 21. Qf2 Ba4 22. Rd2 Bc6 23. Rad1 Nf5 24. Nd6 Nxd6 25. exd6 Ba4 26. Bc2 Bxc2 27. Rxc2 Rac8 28. c5 Rc6 29. f5 exf5 30. Rf1 g6 31. Qd4 b6 32. Qf6 bxc5 33. Qe5 Rdxd6 34. Qe8+ Kg7 35. Rb2 Re6 36. Qa8 Rb6 37. Rc2 Re1 38. Rc1 Rxc1 39. Rxc1 Qd2 40. Rf1 Qxa2 41. Qe8 Qe6 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.24"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2345"]
[BlackElo "2106"]
[PlyCount "93"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Bf5 5. e3 h6 6. Bf4 e6 7. g4 Bg6 8. h5 Bh7 9. Nxe4 Bxe4 10. f3 Bh7 11. Bd3 Bxd3 12. Qxd3 c5 13. dxc5 Qa5+ 14. c3 Qxc5 15. 0-0-0 Nc6 16. Ne2 0-0-0 17. Kb1 Bd6 18. Bxd6 Rxd6 19. f4 Na5 20. Nd4 Nc4 21. Rhe1 Rb6 22. Nb3 Qb5 23. e4 Rd8 24. exd5 Rxd5 25. Qh7 Nd2+ 26. Kc2 Nxb3 27. Qg8+ Kc7 28. Qxf7+ Kc8 29. Qf8+ Kc7 30. Qxg7+ Kc8 31. Qf8+ Kc7 32. Qe7+ Kc8 33. Qf8+ Kc7 34. Qf7+ Kc8 35. Qg8+ Kc7 36. Qg7+ Kc8 37. Rxd5 Qxd5 38. Qh8+ Kc7 39. Qe5+ Qxe5 40. Rxe5 Na1+ 41. Kc1 Rd6 42. g5 hxg5 43. fxg5 Rd3 44. g6 Rg3 45. Rxe6 Kd7 46. Re1 Rg5 47. Rh1 1-0

[Event "Ostrava Konik op-A"]
[Site "Ostrava"]
[Date "2023.05.06"]
[Round "1"]
[White "Rohit, Krishna S"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2385"]
[BlackElo "2063"]
[PlyCount "119"]
[EventDate "2023.05.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. 0-0 Na6 9. Bf4 c5 10. d5 exd5 11. cxd5 d6 12. e4 Nc7 13. a4 a6 14. Rb1 b5 15. axb5 axb5 16. b4 Ra3 17. Qc1 Rxc3 18. Qxc3 Nxe4 19. Qc2 Bxd5 20. Rbd1 Bf6 21. Rxd5 Nxd5 22. Qxe4 Nxb4 23. Qb7 Nd3 24. Qxb5 Nxf4 25. gxf4 Qc7 26. Qc4 h6 27. Nd2 Qa5 28. Ne4 Bd4 29. Nxd6 Qc7 30. Qd5 Rd8 31. Nb5 Qb8 32. Qc4 Qxf4 33. Nxd4 cxd4 34. Rd1 h5 35. Qd3 g6 36. Qf3 Qe5 37. Bf1 Rc8 38. Qg3 Qf6 39. Qd3 Rd8 40. Qe4 Qg5+ 41. Bg2 Qf6 42. Rd3 Qb6 43. Qe5 Qb1+ 44. Bf1 Qb6 45. Rg3 Qd6 46. Qxd6 Rxd6 47. Kg2 Kg7 48. Rb3 f5 49. Kf3 Kf6 50. h4 g5 51. hxg5+ Kxg5 52. Bd3 h4 53. Rb5 Rf6 54. Rd5 Rf7 55. Kg2 Rf8 56. Rxd4 Rh8 57. Kh3 Ra8 58. f4+ Kh6 59. Rd6+ Kg7 60. Kxh4 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.31"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Tulchynskyi, Feliks"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1950"]
[BlackElo "2242"]
[PlyCount "86"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 b6 6. c3 a6 7. Bf1 d5 8. exd5 Nxd5 9. d4 cxd4 10. Nxd4 Bb7 11. Nf5 g6 12. Nh6 Qd7 13. Qf3 Bg7 14. Na3 Ne5 15. Qg3 f6 16. f4 Nf7 17. Nxf7 Kxf7 18. Be3 Rhe8 19. Rad1 Qc7 20. c4 Nxe3 21. Qxe3 f5 22. b4 Rad8 23. Rxd8 Qxd8 24. Kh1 Qd4 25. Qxd4 Bxd4 26. Nc2 Bc3 27. Re3 Bd2 28. Rh3 h5 29. c5 bxc5 30. bxc5 Bxf4 31. Rc3 Be5 32. Rb3 Bd5 33. Ra3 Rb8 34. Re3 Rb1 35. Re1 Rxe1 36. Nxe1 a5 37. a3 Bd4 38. Nd3 e5 39. a4 Bc6 40. Nc1 Bxc5 41. Nb3 Bb6 42. Bb5 Bxb5 43. axb5 a4 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.30"]
[Round "8"]
[White "Alexikov, Alexander"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2223"]
[BlackElo "1950"]
[PlyCount "111"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. e3 Nd5 10. e4 Nb4 11. Be3 e5 12. Nc3 exd4 13. Bxd4 Nd3 14. Ne2 Bg4 15. f3 Be6 16. b3 Bc5 17. Bxc5 Nxc5 18. bxc4 Bxc4 19. Qxd8 Rfxd8 20. Rfc1 Bxe2 21. Rxc5 Rd6 22. e5 Rd5 23. Rxc6 Rxe5 24. Rxc7 Ra5 25. a3 Bd3 26. Rd1 Bf5 27. g4 Be6 28. Rd3 g6 29. Kf2 Rb8 30. Rcc3 Rb2+ 31. Kg3 h5 32. h4 hxg4 33. fxg4 Bxg4 34. Bd5 Bf5 35. Rd4 Rb6 36. Kf4 Be6 37. Be4 Rba6 38. Rc6 Rxc6 39. Bxc6 Rxa3 40. h5 gxh5 41. Kg5 Ra5+ 42. Kh6 Kf8 43. Bf3 Bg4 44. Bxg4 hxg4 45. Rxg4 Rf5 46. Rc4 a5 47. Rc7 Ke8 48. Ra7 Kd8 49. Kg7 Kc8 50. Kf8 Kb8 51. Rd7 a4 52. Rd4 Ra5 53. Kxf7 a3 54. Rd1 a2 55. Ra1 Kc7 56. Ke6 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.29"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Tyshnyk, Roman"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1950"]
[BlackElo "1718"]
[PlyCount "83"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. Re1 0-0 9. d4 Bb6 10. h3 Bb7 11. Be3 Re8 12. d5 Ne7 13. Bxb6 cxb6 14. Nbd2 Ng6 15. a4 bxa4 16. Bxa4 b5 17. Bc2 Nd7 18. Bd3 Nf4 19. Bf1 Rf8 20. c4 Qb6 21. cxb5 axb5 22. Qb3 Ba6 23. Rec1 Rfc8 24. Rxc8+ Rxc8 25. Qa3 Nb8 26. Qa5 Qb7 27. Qb4 Qd7 28. Ra5 Rc1 29. Kh2 Qc7 30. Rxa6 Nxa6 31. Qxb5 g6 32. Qxa6 Qc5 33. Qc6 Qxc6 34. dxc6 Rxc6 35. Nc4 f5 36. exf5 gxf5 37. b4 e4 38. Nd4 Rc7 39. Nxd6 Nd3 40. b5 Rd7 41. N4xf5 Nxf2 42. b6 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.29"]
[Round "6"]
[White "Maliutin, Oleksandr"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2232"]
[BlackElo "1950"]
[PlyCount "79"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. e3 Nd5 10. Qa4 a5 11. Qxc6 Ra7 12. Rd1 Ba6 13. Nd2 Qd6 14. Qa4 c3 15. Ne4 Qb4 16. Qc2 cxb2 17. Bxb2 Rb8 18. Bc3 Qa3 19. Rab1 Rab7 20. Rxb7 Rxb7 21. Bd2 Rb6 22. Bc1 Qb4 23. Nc5 Rc6 24. e4 Nb6 25. a3 Qc4 26. Qb1 Qb5 27. Be3 Qxb1 28. Rxb1 Bc4 29. e5 Bd5 30. Bf1 Rxc5 31. dxc5 Nd7 32. Bg2 Nxe5 33. Rb8+ Bf8 34. Rc8 c6 35. Bf4 f6 36. Bxd5 exd5 37. Bxe5 fxe5 38. Rxc6 d4 39. Rc8 d3 40. Kf1 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.28"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Polyakov, Maxim"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1950"]
[BlackElo "2362"]
[PlyCount "103"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 b5 3. d4 b4 4. Nce2 d5 5. e5 a5 6. Nf4 e6 7. Nf3 c5 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. 0-0 Nh6 11. dxc5 Bxc5 12. Nh5 Bf8 13. Bxh6 gxh6 14. Qd4 Rc8 15. Qg4 Rc4 16. Qg3 Qc7 17. b3 Re4 18. Rae1 f5 19. exf6 Qxg3 20. hxg3 Bc5 21. Rxe4 dxe4 22. Nd2 e3 23. Ne4 exf2+ 24. Kh2 Kf7 25. Nxc5 Nxc5 26. Rxf2 Rd8 27. Rf4 e5 28. Rc4 Rd5 29. Kg1 Nd7 30. c3 bxc3 31. Rxc3 e4 32. Nf4 Rd2 33. a3 Nxf6 34. Kf1 Ng4 35. Ke1 Rb2 36. a4 Kf6 37. Rc5 Rxb3 38. Rxa5 Rb2 39. Rb5 Ra2 40. a5 Ne5 41. Nh5+ Ke6 42. Ng7+ Kd6 43. Nf5+ Ke6 44. Ng7+ Kf6 45. Nh5+ Kf5 46. Ng7+ Kg6 47. Rxe5 Kxg7 48. Rxe4 Rxa5 49. Re6 Ra2 50. Kf1 h5 51. Kg1 Ra4 52. Kh2 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.27"]
[Round "4"]
[White "Dankulinets, Yulia"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1710"]
[BlackElo "1950"]
[PlyCount "58"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 Be7 6. Nbd2 Nh5 7. Bg3 Nxg3 8. hxg3 d5 9. Bd3 h6 10. Qe2 Qb6 11. Rb1 Bd7 12. Ne5 Nxe5 13. dxe5 Qc7 14. Nf3 0-0-0 15. b4 c4 16. Bc2 f6 17. exf6 Bxf6 18. Qd2 Kb8 19. a4 e5 20. b5 Bg4 21. 0-0 h5 22. Nh2 d4 23. Nxg4 hxg4 24. Bf5 g5 25. Rfc1 Rh6 26. Bxg4 Rdh8 27. f3 Be7 28. e4 Bc5 29. cxd4 exd4 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.27"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Kaitanskii, Andrei"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1950"]
[BlackElo "1547"]
[PlyCount "85"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 gxf6 7. Qd2 Nc6 8. Nf3 b6 9. 0-0-0 Bb7 10. Bc4 Nb4 11. Nxf6+ Bxf6 12. Qxb4 Bxf3 13. gxf3 Qd6 14. Qb5+ c6 15. Qh5 Qf4+ 16. Kb1 Qh4 17. Qg4 Qxg4 18. fxg4 h5 19. f3 hxg4 20. fxg4 Ke7 21. h3 Rad8 22. c3 Rd6 23. Kc2 Bh4 24. Rhf1 Rh7 25. Rf3 Rd8 26. Bd3 Rg7 27. Be4 Kd6 28. c4 f6 29. c5+ Kc7 30. Rfd3 Kb7 31. cxb6 axb6 32. Rc3 Rd6 33. b4 Rg5 34. a4 Kc7 35. b5 c5 36. dxc5 Rxc5 37. Rxc5+ bxc5 38. a5 Rxd1 39. Kxd1 f5 40. b6+ Kb8 41. gxf5 exf5 42. Bf3 Bd8 43. h4 1-0

[Event "Kyiv Spring op"]
[Site "Kiev"]
[Date "2023.03.26"]
[Round "2"]
[White "Grekh, Andrey"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2393"]
[BlackElo "1950"]
[PlyCount "83"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. Qd2 Be7 10. 0-0-0 0-0 11. f4 h6 12. Bxf6 Bxf6 13. g3 Rc8 14. Nd5 exf4 15. gxf4 Nc5 16. Qb4 Bxd5 17. Rxd5 a5 18. Qxa5 Qxa5 19. Nxa5 Ra8 20. Nc4 Rxa2 21. Bf3 Rc8 22. e5 dxe5 23. Kb1 Ra6 24. fxe5 Be7 25. Nd6 Rca8 26. c3 Na4 27. Kc2 Bxd6 28. exd6 Rd8 29. Rhd1 Nb6 30. R5d4 Nd7 31. Bxb7 Rb6 32. Bg2 Rdb8 33. b4 Ra6 34. Bh3 Rb7 35. Bxd7 Rxd7 36. Kb3 Kf8 37. b5 Rb6 38. c4 Ke8 39. Kb4 Rdb7 40. Re1+ Kd8 41. Kc5 Rb8 42. Rde4 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2023.03.25"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Terletska, Mariia"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1950"]
[BlackElo "1233"]
[PlyCount "69"]
[EventDate "2023.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Ng4 5. Bxc6 bxc6 6. 0-0 g6 7. d4 cxd4 8. Qxd4 Nh6 9. e6 f6 10. Rd1 Nf5 11. Qc3 Qc7 12. exd7+ Bxd7 13. Qc4 Nd6 14. Qe2 0-0-0 15. Be3 Qb7 16. Nc3 Bg7 17. Nd4 Nf5 18. Nb3 Nxe3 19. Qxe3 Rhe8 20. Nc5 Qc7 21. Rxd7 Rxd7 22. Ne6 Qd6 23. Nxg7 Red8 24. Ne6 Re8 25. Qe2 Qd2 26. Qa6+ Kb8 27. Nc5 Rc7 28. Rd1 Qxc2 29. Ne6 Rb7 30. Qa5 Rb6 31. Nc5 Qxb2 32. Nd7+ Kb7 33. Nxb6 axb6 34. Rd7+ Kc8 35. Qa7 1-0

[Event "Liberec op 22nd"]
[Site "Liberec"]
[Date "2023.03.03"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Peglau, Paul David"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1950"]
[BlackElo "1649"]
[PlyCount "47"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. Re1 0-0 10. c3 b6 11. Qe2 Bb7 12. Bf4 Nd5 13. Bd2 N7f6 14. a3 c5 15. c4 Nc7 16. dxc5 Bxc5 17. b4 Bd6 18. Rad1 Re8 19. Bg5 h6 20. Bxf6 Qxf6 21. Be4 Nd5 22. Nh5 Qe7 23. cxd5 exd5 24. Bd3 1-0

[Event "Liberec op 22nd"]
[Site "Liberec"]
[Date "2023.03.01"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Hanisch, Paul"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1950"]
[BlackElo "1683"]
[PlyCount "97"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Be6 8. Qd2 c5 9. a3 Nc6 10. 0-0-0 0-0 11. Bd3 f6 12. Be4 Bf7 13. Qd3 g6 14. Bh6 d5 15. Bxd5 Qxd5 16. Qxd5 Bxd5 17. Rxd5 Rfd8 18. Rxd8+ Rxd8 19. Be3 Kf7 20. Rd1 Rxd1+ 21. Kxd1 Ke6 22. Ke2 Kd5 23. Nd2 Ne5 24. f4 Nc4 25. Nxc4 Kxc4 26. Kd2 a6 27. b3+ Kd5 28. c4+ Kc6 29. c3 f5 30. b4 cxb4 31. cxb4 Bf6 32. a4 Bd8 33. Bd4 Be7 34. Kc3 Bd6 35. b5+ axb5 36. axb5+ Kd7 37. g3 Be7 38. c5 Bd8 39. Kc4 g5 40. Kd5 gxf4 41. gxf4 Bc7 42. Be5 Ba5 43. c6+ Kc8 44. Ke6 Bb6 45. Kxf5 Bg1 46. h4 Bf2 47. h5 Bh4 48. Ke6 bxc6 49. bxc6 1-0

[Event "Liberec op 22nd"]
[Site "Liberec"]
[Date "2023.02.25"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Ochedzan, Tymon"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1950"]
[BlackElo "2240"]
[PlyCount "84"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nd7 7. Bg2 g6 8. d4 Bg7 9. Qd3 Ne7 10. 0-0 0-0 11. Be3 dxe4 12. Nxe4 Nd5 13. c4 Nxe3 14. fxe3 Qc7 15. c5 Rad8 16. Nd6 Nf6 17. e4 e5 18. Qb3 Ne8 19. Qxb7 exd4 20. b4 Be5 21. Qxc7 Nxc7 22. Rad1 f6 23. Nc4 Nb5 24. Rd3 Nc3 25. Na5 Rc8 26. h4 Nxa2 27. Bh3 Nxb4 28. Rb3 Rb8 29. Rfb1 Na6 30. Nxc6 Rxb3 31. Rxb3 Nxc5 32. Rb5 Nxe4 33. Nxe5 fxe5 34. Rxe5 Nxg3 35. Kg2 Nh5 36. Re7 Nf4+ 37. Kg3 Nxh3 38. Kxh3 Rd8 39. Rxa7 d3 40. Ra1 d2 41. Rd1 Kg7 42. Kg4 Kh6 0-1

[Event "Krakow op-B 33rd"]
[Site "Krakow"]
[Date "2022.12.28"]
[Round "2"]
[White "Kasprzak, Lukasz"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2031"]
[BlackElo "1941"]
[PlyCount "105"]
[EventDate "2022.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Nfd7 6. d4 c5 7. Nf3 cxd4 8. Qxd4 Nb6 9. Bg5 Qd7 10. 0-0-0 Nc6 11. Bb5 Nxd4 12. Nxd4 a6 13. Bxd7+ Bxd7 14. Nc2 Rc8 15. Be3 Bc5 16. Kb1 Bf5 17. Bxc5 Rxc5 18. Rd4 0-0 19. g4 Bxc2+ 20. Kxc2 Nc4 21. Rxd5 Rxd5 22. Nxd5 Nxe5 23. h3 Rc8+ 24. Kb3 Rd8 25. Rd1 Kf8 26. Kb4 b6 27. Kc3 a5 28. f4 Nc6 29. Kc4 Ne7 30. Nc3 Ke8 31. Kb5 Rxd1 32. Nxd1 Nd5 33. Kc6 Nxf4 34. Nf2 Ne2 35. Kxb6 a4 36. a3 f6 37. Ka5 g6 38. Kxa4 f5 39. gxf5 gxf5 40. b4 Kd8 41. Kb5 Kc7 42. Kc5 Nc3 43. h4 h5 44. Kd4 Nb5+ 45. Ke5 Nxa3 46. Kxf5 Kc6 47. Kg6 Kb5 48. Kxh5 Kxb4 49. Kg6 Nc4 50. Nd3+ Kc3 51. h5 Nb6 52. h6 Nd7 53. Kg7 1-0

[Event "EU-ch Rapid"]
[Site "Katowice"]
[Date "2022.12.17"]
[Round "3"]
[White "Cukrowski, Filip"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2402"]
[BlackElo "1941"]
[PlyCount "141"]
[EventDate "2022.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nbd2 0-0 7. 0-0 Bxd2 8. Qxd2 d6 9. Qf4 Nbd7 10. Qh4 Qe7 11. Re1 c5 12. b3 e5 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Bg5 Bxg2 16. Bxf6 Qxf6 17. Qxf6 gxf6 18. Kxg2 Rfd8 19. Red1 f5 20. Kf3 Kg7 21. h3 Kf6 22. g4 Ke6 23. e3 fxg4+ 24. hxg4 f5 25. gxf5+ Kxf5 26. Rh1 Rf8 27. Rag1 Rf7 28. Rh6 e4+ 29. Ke2 Raf8 30. Rg2 Re8 31. Rgh2 Ree7 32. R2h4 Kg5 33. R4h5+ Kg4 34. Rd5 Rf5 35. Rd8 Kg5 36. Rh2 h5 37. Rg2+ Kf6 38. Rh8 Rfe5 39. Rh6+ Kf7 40. Rh2 Kg7 41. R6xh5 Rxh5 42. Rxh5 Kg6 43. Rh4 Kg5 44. Rf4 Kg6 45. Kd2 Kg5 46. Kc3 Kg6 47. a3 Kg5 48. b4 Kg6 49. b5 Kg5 50. a4 Kg6 51. a5 bxa5 52. Kb3 Rd7 53. Rxe4 Rd3+ 54. Kc2 Ra3 55. f4 Kf5 56. Re5+ Kf6 57. e4 Rf3 58. Rxc5 Rxf4 59. Kd3 a4 60. Kd4 a3 61. Rc6+ Kg7 62. Ra6 Rf3 63. c5 Kf7 64. Rxa7+ Ke6 65. b6 Rb3 66. Kc4 Re3 67. Kb5 Rb3+ 68. Kc6 Ke5 69. b7 Kxe4 70. Kc7 Kd5 71. c6 1-0

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.26"]
[Round "9"]
[White "Gaszka, Zuzanna"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1686"]
[BlackElo "1756"]
[PlyCount "74"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxc5 7. c4 d4 8. exd4 Nxd4 9. Nb3 Qb4+ 10. Bd2 Nxf3+ 11. Qxf3 Qd6 12. h3 e5 13. Rd1 Qe6 14. Qe3 Be7 15. Bc3 Nd7 16. Bd3 0-0 17. 0-0 f5 18. Rfe1 e4 19. f3 Ne5 20. Bf1 Bh4 21. Rd5 Nd3 22. Re2 Qg6 23. fxe4 fxe4 24. Qxe4 Bf2+ 25. Kh1 Bg3 26. Kg1 Nf4 27. Qxg6 Nxe2+ 28. Bxe2 hxg6 29. Bf3 Bf5 30. Rb5 Rac8 31. Rxb7 Rc7 32. Rb5 Re8 33. Nd4 Rce7 34. Ne2 Rxe2 35. Bxe2 Rxe2 36. Rb7 Rc2 37. Rxg7+ Kf8 0-1

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.25"]
[Round "8"]
[White "Diachek, Andriy"]
[Black "Tymrakiewicz, Rafal"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1756"]
[BlackElo "2144"]
[PlyCount "96"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. c4 d6 4. Nc3 e5 5. Nf3 Nd7 6. Be2 Ngf6 7. 0-0 Bg7 8. Bg5 h6 9. Be3 Ng4 10. Bc1 0-0 11. h3 Ngf6 12. Be3 Re8 13. d5 c5 14. a3 Rf8 15. b4 Ne8 16. Qc1 Kh7 17. Nd2 f5 18. exf5 gxf5 19. f3 Qh4 20. Bd3 Kh8 21. Qc2 Qf6 22. Rac1 h5 23. Nb3 b6 24. Ne2 h4 25. Nc3 Rf7 26. Qd2 Qg6 27. Bf2 Bf6 28. Kh1 Ng7 29. Nb5 Bd8 30. Qe1 Qh6 31. Be3 Qf6 32. f4 Nh5 33. Kh2 Rg7 34. Qf2 Qg6 35. Be2 Ng3 36. Rfd1 a6 37. Nc3 Bf6 38. bxc5 Nxc5 39. Nxc5 bxc5 40. Na4 Bb7 41. Rb1 Rag8 42. Rg1 exf4 43. Bxf4 Bd4 44. Be3 Bxe3 45. Qxe3 Re8 46. Qf4 Nxe2 47. Qxh4+ Rh7 48. Qf2 Nxg1 0-1

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.24"]
[Round "7"]
[White "Kondys, Piotr"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1907"]
[BlackElo "1756"]
[PlyCount "108"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Bc6 10. Nxc4 Be4 11. Qd1 Nc6 12. e3 Nb4 13. Nfe5 Bxg2 14. Kxg2 b5 15. Na5 c5 16. Nac6 Nxc6 17. Nxc6 Qc7 18. Qf3 Rac8 19. axb5 axb5 20. Nxe7+ Qxe7 21. dxc5 Qxc5 22. Bd2 Qd5 23. Qxd5 Nxd5 24. Rfc1 h6 25. e4 Nb6 26. Bb4 Rxc1 27. Rxc1 Ra8 28. Rc6 Rb8 29. b3 Nd7 30. Ra6 Nf6 31. e5 Nd5 32. Bd6 Rc8 33. Ra5 b4 34. Bc5 Kh7 35. Kf3 g5 36. Ke4 Kg6 37. Kd4 Rd8 38. Kc4 Rc8 39. Ra7 h5 40. Kb5 Rb8+ 41. Kc6 Rc8+ 42. Kd6 Nc3 43. Rb7 Ne4+ 44. Ke7 Nxc5 45. Rxb4 Nd3 46. Rb7 Nxe5 47. b4 Rc2 48. f4 gxf4 49. gxf4 Nd3 50. f5+ exf5 51. b5 Rb2 52. Rb8 Kg7 53. b6 f4 54. b7 Nc5 0-1

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.23"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Niesporek, Franciszek"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1756"]
[BlackElo "1476"]
[PlyCount "81"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd3 Nf6 8. c4 g6 9. Nc3 Bg7 10. 0-0 0-0 11. h3 a6 12. Rb1 Rab8 13. Rd1 Rfd8 14. Qe2 Qc8 15. Bg5 b5 16. cxb5 axb5 17. Bxf6 Bxf6 18. Nd5 Qe6 19. Rbc1 Rdc8 20. Rc2 Bg7 21. Rdc1 Bh6 22. Nd2 Na7 23. Rxc8+ Rxc8 24. Rxc8+ Nxc8 25. Nf3 f5 26. Qxb5 fxe4 27. Nd4 Qe5 28. Nc6 Qe6 29. Nd8 Qf5 30. Qe8+ Bf8 31. Ne3 Qf4 32. Ne6 Qf6 33. Qxc8 Kf7 34. Nxf8 Qxb2 35. Nxh7 Qa1+ 36. Kh2 Qe5+ 37. g3 Kg7 38. Nf8 Qf6 39. Ne6+ Kh7 40. Ng4 Qf5 41. Qd7 1-0

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.22"]
[Round "5"]
[White "Jacel, Lukasz"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1942"]
[BlackElo "1756"]
[PlyCount "69"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. f4 e6 5. Nf3 d5 6. g3 Nge7 7. d3 g6 8. Bg2 Bg7 9. 0-0 b6 10. Ne5 Nxe5 11. fxe5 d4 12. Qf3 0-0 13. Nd1 Nc6 14. Bf4 Nxe5 15. Bxe5 Bxe5 16. Nf2 Bg7 17. e5 Rb8 18. Ng4 Bb7 19. Qf4 Bxg2 20. Kxg2 Qc7 21. Rae1 h5 22. Nf6+ Bxf6 23. Qxf6 Qd8 24. Qf4 Kg7 25. Re4 Rb7 26. Rf3 Rh8 27. Qd2 h4 28. Rf6 hxg3 29. hxg3 Rh5 30. Rff4 Qh8 31. Rh4 g5 32. Reg4 f6 33. Qf4 Rf7 34. exf6+ Rxf6 35. Rxg5+ 1-0

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.21"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Posluszny, Tomasz"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "1756"]
[BlackElo "1944"]
[PlyCount "141"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. d3 d5 10. exd5 Nxd5 11. Nxe5 Nd4 12. Nc3 Nb4 13. Ne4 Nxb3 14. axb3 c5 15. c3 Nc6 16. Nf3 Qd5 17. c4 Qf5 18. Nc3 Rad8 19. Nd5 Bd6 20. Qe2 f6 21. Qe4 Qd7 22. Qe6+ Qxe6 23. Rxe6 Ne5 24. Nxe5 fxe5 25. Bg5 Kf7 26. Bxd8 Rxd8 27. Rxd6 Rxd6 28. Nc3 Rb6 29. cxb5 axb5 30. Ne4 c4 31. bxc4 bxc4 32. Nc5 cxd3 33. Nxd3 Kf6 34. Ra2 Bd5 35. Ra5 Be4 36. Nc5 Bc6 37. Ra6 Rxa6 38. Nxa6 Ke6 39. f3 Kd6 40. Kf2 Bb5 41. Nb4 Kc5 42. Nc2 Bd3 43. Ne1 Bf5 44. Ke3 Kc4 45. g4 Bg6 46. h4 h6 47. h5 Bh7 48. Ng2 g6 49. Nh4 gxh5 50. gxh5 Bc2 51. Ng6 Kd5 52. b4 Ba4 53. Ne7+ Ke6 54. Ng8 Be8 55. Nxh6 Bxh5 56. Ng4 Be8 57. Kd3 Bc6 58. Nh2 Kd5 59. Ng4 Ke6 60. Ke3 Kd5 61. Kd3 Ke6 62. Ke2 Kd5 63. Ke3 Ke6 64. Nf2 Kd5 65. Nd3 Bb5 66. Nb2 Bc6 67. Kd3 Bb5+ 68. Ke3 Bc6 69. Nd3 Bb5 70. Ne1 Kc4 71. Nd3 1/2-1/2

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.20"]
[Round "2"]
[White "Diachek, Andriy"]
[Black "Dawidow, Mariusz"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1756"]
[PlyCount "55"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. Be2 d6 6. 0-0 h6 7. d4 Be7 8. d5 exd5 9. cxd5 Ne5 10. Bb5+ Bd7 11. Nxe5 dxe5 12. d6 Bf8 13. f4 Qb6 14. fxe5 Bxb5 15. Nxb5 0-0-0 16. Nc3 c4+ 17. Kh1 Nd7 18. Bf4 g5 19. Bg3 Bg7 20. Rxf7 Bxe5 21. Rxd7 Rxd7 22. Bxe5 Re8 23. Nd5 Qc5 24. Bg3 Rf7 25. Qg4+ Kd8 26. Nc7 Ref8 27. Ne6+ Ke8 28. d7+ 1-0

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.20"]
[Round "3"]
[White "Matuszczyk, Mateusz"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1879"]
[BlackElo "1756"]
[PlyCount "94"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 b5 7. g4 Bb7 8. Bg2 Nc6 9. 0-0 Nxd4 10. Qxd4 e5 11. Qd3 Be7 12. Be3 0-0 13. Rfd1 Rc8 14. a4 b4 15. Na2 Qc7 16. c3 bxc3 17. Nxc3 Qb8 18. a5 Qa8 19. f3 Rcd8 20. Nd5 Bxd5 21. exd5 Rb8 22. Bb6 Nd7 23. Bf1 Nxb6 24. axb6 Rxb6 25. Rxa6 Qb8 26. Rxb6 Qxb6+ 27. Kg2 Qxb2+ 28. Rd2 Qb4 29. Rc2 Bd8 30. Qe4 Qa5 31. Bd3 g6 32. Qc4 Bb6 33. Qb5 Qa3 34. Qxb6 Qxd3 35. Qc6 e4 36. Rf2 e3 37. Qc2 Qxd5 38. Re2 Re8 39. Qc3 Qe5 40. Qxe5 Rxe5 41. f4 Re6 42. Kf3 Kf8 43. h4 Ke7 44. g5 d5 45. Rxe3 Rxe3+ 46. Kxe3 Ke6 47. Kd4 Kf5 0-1

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2022.11.19"]
[Round "1"]
[White "Gornik, Slawomir"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1062"]
[BlackElo "1756"]
[PlyCount "109"]
[EventDate "2022.11.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. d4 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bxf6 Qxf6 8. Be2 0-0 9. 0-0 Bxc3 10. bxc3 d6 11. Qc2 Nd7 12. Rfd1 e5 13. e4 Rfe8 14. Bd3 Qg6 15. Re1 Nf6 16. d5 Nd7 17. h3 Nc5 18. Re3 Bc8 19. Kh2 Nxd3 20. Qxd3 f5 21. exf5 Bxf5 22. Qe2 Qf6 23. Rc1 Rf8 24. Kg1 Rf7 25. Rf1 Raf8 26. Nd2 Bh7 27. Rg3 Qe7 28. Qe3 Rf4 29. Qe2 Qh4 30. Rg4 Qf6 31. f3 Rxg4 32. hxg4 Qf4 33. Re1 Qg5 34. Qe3 Qxe3+ 35. Rxe3 Rf6 36. g3 Kf8 37. Kg2 g5 38. Ne4 Rf7 39. Re1 Ke7 40. Kf2 Bxe4 41. Rxe4 Rh7 42. f4 gxf4 43. gxf4 Rf7 44. Kg3 Rxf4 45. Rxf4 exf4+ 46. Kxf4 Kf6 47. Kf3 Kg5 48. Kg3 h5 49. gxh5 Kxh5 50. Kf4 Kg6 51. Kg4 Kf6 52. Kf4 a6 53. a3 Ke7 54. Ke4 Kd7 55. Kd4 1/2-1/2

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.07.02"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Wegrzyn, Bartosz"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1451"]
[BlackElo "1286"]
[PlyCount "105"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 a6 7. Bc4 Qc6 8. a4 Nf6 9. 0-0 0-0 10. Qe2 Nbd7 11. Bd3 b6 12. b3 Bb7 13. Bb2 Be7 14. Nc4 Nd5 15. Nce5 Nxe5 16. Nxe5 Nf4 17. Nxc6 Nxe2+ 18. Bxe2 Bxc6 19. Rfd1 b5 20. axb5 axb5 21. c4 bxc4 22. Bxc4 Rxa1 23. Rxa1 Rb8 24. Be5 Bf6 25. Bxf6 gxf6 26. Kf1 Bb5 27. Bxb5 Rxb5 28. Rb1 Kf8 29. b4 Ke7 30. Ke2 Kd6 31. Kd3 Kd5 32. Kc3 Rb7 33. Rd1+ Ke5 34. Rd2 Rc7+ 35. Kb3 Rb7 36. Kc4 f5 37. Kc5 Rc7+ 38. Kb6 Rc8 39. b5 Rc1 40. Ka7 Ra1+ 41. Kb7 f6 42. b6 Ra3 43. Kc8 Rc3+ 44. Kb8 Rc4 45. b7 Rg4 46. Rd7 Rc4 47. Rc7 Rg4 48. Rd7 Rc4 49. Ka7 Ra4+ 50. Kb6 Rb4+ 51. Kc7 Rc4+ 52. Kd8 Rb4 53. Kc8 1-0

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.07.01"]
[Round "8"]
[White "Krasuski, Pawel"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1682"]
[BlackElo "1451"]
[PlyCount "94"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bb3 0-0 6. 0-0 d6 7. c3 a6 8. a4 Bb6 9. Nbd2 Ne7 10. Nc4 Ba7 11. Bg5 Ng6 12. Nh4 Nxh4 13. Bxh4 h6 14. Ne3 g5 15. Bg3 Qe7 16. Qf3 Kg7 17. h3 Be6 18. Bc2 Rh8 19. Rad1 c5 20. Rfe1 Qd7 21. Nf5+ Bxf5 22. exf5 Qc6 23. Qe2 Qd7 24. Kh2 Rae8 25. Qd2 Nd5 26. Bb3 Nf4 27. Bxf4 exf4 28. f6+ Kxf6 29. Bd5 Re5 30. Rxe5 dxe5 31. c4 b6 32. b3 Kg7 33. Qe2 Qd6 34. Qe4 Rd8 35. Re1 Bb8 36. f3 Qg6 37. Qe2 a5 38. Qf2 h5 39. Qe2 Bd6 40. Kg1 f5 41. Qb2 Qf6 42. Qe2 h4 43. Qd1 Rd7 44. Bc6 Rc7 45. Bd5 Ra7 46. Re2 Rc7 47. Ra2 Ra7 1/2-1/2

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.30"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Jaromin, Maciej"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1451"]
[BlackElo "1479"]
[PlyCount "148"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 Nd4 6. Nxd4 cxd4 7. d3 a6 8. Ba4 b5 9. Bb3 Ng6 10. f4 Be7 11. f5 Ne5 12. Bf4 Bf6 13. Nd2 0-0 14. Nf3 d6 15. fxe6 Bxe6 16. Bxe5 Bxe5 17. Bxe6 fxe6 18. Nxe5 dxe5 19. Qd2 Qc7 20. Rac1 Rac8 21. c4 dxc3 22. Rxc3 Qa7+ 23. Qe3 Qxe3+ 24. Rxe3 Rxc3 25. bxc3 Rc8 26. d4 exd4 27. cxd4 Rc1+ 28. Kf2 Rd1 29. Ra3 Rxd4 30. Rxa6 Rxe4 31. Rb6 Re5 32. g4 Kf7 33. Kf3 Kf6 34. h4 h6 35. Rb7 Rc5 36. Rb6 Ke5 37. Ke3 Kf6 38. Rb7 Rc3+ 39. Ke4 Rc4+ 40. Kf3 b4 41. Rb5 Rd4 42. Kg3 Rd3+ 43. Kf2 Rd2+ 44. Kf3 Rd4 45. Kg3 Rd3+ 46. Kf2 Rd2+ 47. Kf3 Rxa2 48. Rxb4 Ra3+ 49. Kg2 Rd3 50. Rb8 Ke5 51. Rg8 Rd7 52. Kf3 Kd4 53. Ke2 Ke4 54. Rf8 Ra7 55. Kf2 e5 56. Rf5 Ra6 57. Rh5 Kf4 58. Rf5+ Kxg4 59. Rxe5 Ra2+ 60. Kg1 Kxh4 61. Re3 g5 62. Rd3 g4 63. Rd4 h5 64. Rd3 g3 65. Rd5 Kg4 66. Rd4+ Kh3 67. Rd1 Re2 68. Rb1 h4 69. Ra1 Kg4 70. Ra4+ Kf3 71. Ra3+ Re3 72. Ra1 h3 73. Rb1 h2+ 74. Kh1 Kg4 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.29"]
[Round "6"]
[White "Olszewski, Antoni"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1532"]
[BlackElo "1451"]
[PlyCount "116"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 Nf6 7. c4 Ne5 8. Bxd7+ Qxd7 9. Nxe5 dxe5 10. Qxd7+ Nxd7 11. Nc3 e6 12. Be3 a6 13. Rc1 Rc8 14. Na4 b5 15. cxb5 Rxc1+ 16. Bxc1 axb5 17. Nc3 b4 18. Nd1 Bc5 19. Be3 Bd4 20. Bd2 Nc5 21. f3 Kd7 22. Ke2 Rb8 23. Ne3 Ra8 24. Bxb4 Rxa2 25. Nc4 Na4 26. Rb1 Nxb2 27. Nxb2 Bxb2 28. Kd3 Bd4 29. Bd2 Ra7 30. Rb8 Ke7 31. Rb3 Ra1 32. Bb4+ Kf6 33. Ra3 Rd1+ 34. Kc4 Rc1+ 35. Kd3 Rb1 36. Ba5 h5 37. Ra2 Kg6 38. Bd2 h4 39. h3 Rd1 40. Rc2 Bb6 41. Rb2 Ba5 42. Ra2 Rxd2+ 43. Rxd2 Bxd2 44. Kxd2 Kg5 45. Ke3 f5 46. exf5 exf5 47. f4+ exf4+ 48. Kf3 g6 49. g4 fxg3 50. Kg2 Kf4 51. Kh1 g5 52. Kg1 g4 53. Kh1 gxh3 54. Kg1 Ke3 55. Kh1 f4 56. Kg1 f3 57. Kh1 g2+ 58. Kh2 f2 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.28"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Grzelak, Piotr"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1451"]
[BlackElo "1684"]
[PlyCount "69"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 a5 11. a4 0-0 12. Kg2 Qd8 13. Bd3 f6 14. Ne2 b6 15. Qc2 Ne7 16. Bxh7+ Kh8 17. Bd3 Ba6 18. Bxa6 Rxa6 19. Bd2 Bxd2 20. Qxd2 Nf5 21. Nc3 Qe8 22. Nb5 Qg6 23. Rac1 Raa8 24. Rc7 Rac8 25. Rhc1 Rxc7 26. Rxc7 fxe5 27. fxe5 Nb8 28. Qg5 Qxg5 29. Nxg5 Ne3+ 30. Kh3 Na6 31. Rb7 Nb4 32. Nd6 Nd3 33. Nxe6 g5 34. Nxg5 Rg8 35. Rh7# 1-0

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.27"]
[Round "4"]
[White "Andriienko, Artom"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1588"]
[BlackElo "1451"]
[PlyCount "145"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Nbd2 Bb7 6. Bg2 0-0 7. 0-0 d5 8. Qc2 Nbd7 9. cxd5 exd5 10. a3 Bd6 11. b4 Re8 12. e3 Ne4 13. Nxe4 dxe4 14. Nd2 Nf6 15. Nc4 Qd7 16. Ne5 Qf5 17. Bb2 Ng4 18. Nc4 Ba6 19. Rac1 Rad8 20. f3 Nxh2 21. fxe4 Qh5 22. Rf5 Qh6 23. b5 Bc8 24. e5 Ng4 25. Rf3 Bb7 26. Qf5 Bxf3 27. Qxf3 Qh2+ 28. Kf1 Qh5 29. Ke2 Be7 30. Rh1 Qg6 31. Qe4 Nh6 32. Qxg6 hxg6 33. Bc6 Rf8 34. e4 Kh7 35. g4 Rh8 36. Bd5 Kg8 37. Rf1 Rf8 38. Rg1 g5 39. Ne3 g6 40. Rc1 Bd8 41. Bb3 Nf5 42. gxf5 Rh2+ 43. Kf3 Rxb2 44. Bd5 Kg7 45. f6+ Bxf6 46. exf6+ Kxf6 47. Ng4+ Kg7 48. Rxc7 Rxb5 49. Ne5 Rb1 50. Rxa7 Kh6 51. Nxf7+ Kh5 52. Kg2 Kh4 53. Kf2 g4 54. Ke3 g3 55. e5 Rb5 56. Be4 Rb3+ 57. Kd2 Kg4 58. e6 Rb2+ 59. Kc3 Re2 60. Ne5+ Kg5 61. Bd5 g2 62. Bxg2 Rxg2 63. e7 Re8 64. d5 Re2 65. Nc6 Kg4 66. Kd3 Re1 67. Kd2 Rf1 68. d6 Rf6 69. d7 Rd6+ 70. Ke3 Rxe7+ 71. Nxe7 Re6+ 72. Kf2 Rxe7 73. Ra4+ 1-0

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.26"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Radwanski, Mikolaj"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1451"]
[BlackElo "1330"]
[PlyCount "95"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Bxf6 exf6 6. Bd3 Bg7 7. Nge2 0-0 8. 0-0 Nc6 9. f4 Nb4 10. f5 d5 11. fxg6 fxg6 12. Nxd5 Nxd3 13. Qxd3 c6 14. Ndf4 Qe8 15. Ng3 g5 16. Nfe2 Rf7 17. Nf5 Bxf5 18. Rxf5 Re7 19. Ng3 Rd8 20. c3 h5 21. Qf3 h4 22. Nh5 Rxe4 23. Nxf6+ Bxf6 24. Rxf6 Re1+ 25. Rxe1 Qxe1+ 26. Qf1 Qxf1+ 27. Kxf1 Kg7 28. Re6 Kf7 29. Re5 Kf6 30. Kf2 Rd5 31. Rxd5 cxd5 32. a4 b6 33. b3 Kf5 34. Ke3 Kg4 35. c4 Kf5 36. cxd5 a5 37. Kf3 g4+ 38. Ke3 h3 39. g3 Kf6 40. Kf4 Ke7 41. Kxg4 Kd6 42. Kf4 Kxd5 43. Ke3 Kc6 44. g4 b5 45. g5 bxa4 46. bxa4 Kd6 47. g6 Ke6 48. d5+ 1-0

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "8"]
[White "Bara, Jan"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1413"]
[BlackElo "1689"]
[PlyCount "64"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Czech Republic"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "UKR"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 0-0 6. Bg5 h6 7. Bh4 Nbd7 8. e4 e5 9. d5 a5 10. Bd3 Nc5 11. 0-0 Bxc3 12. Qxc3 g5 13. Bg3 Nfxe4 14. Bxe4 Nxe4 15. Qe3 f5 16. h4 Qf6 17. hxg5 hxg5 18. Bh2 Rf7 19. Nd2 Nxd2 20. Qxd2 Rh7 21. g3 f4 22. f3 Bf5 23. g4 Bg6 24. b4 Kg7 25. bxa5 Rah8 26. Rf2 e4 27. Qc1 e3 28. Rb2 Qd4 29. Kh1 Rh3 30. a4 Be4 31. fxe4 Qxe4+ 32. Rg2 Rxh2+ 0-1

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "4"]
[White "Dadasyan, Tigran"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1689"]
[PlyCount "74"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Armenia"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "ARM"]
[BlackTeamCountry "UKR"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nbd2 Be7 7. Re1 c5 8. e4 Nc6 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 0-0-0 12. h4 h6 13. Qd2 Rdg8 14. a3 g5 15. hxg5 hxg5 16. Nxg5 Bxg5 17. Bxg5 Ncxe5 18. Bf4 d4 19. Qe2 Bxg2 20. Kxg2 Qb7+ 21. Qe4 Ng6 22. Qxb7+ Kxb7 23. Kf3 e5 24. Bc1 f5 25. Nd2 Kc6 26. a4 Rf8 27. Nc4 e4+ 28. dxe4 fxe4+ 29. Kg2 Kd5 30. Nd2 Nf6 31. b3 Ne5 32. Bb2 Nfg4 33. Nxe4 Rh2+ 34. Kf1 Rfxf2+ 35. Nxf2 Rxf2+ 36. Kg1 Nf3+ 37. Kh1 Rh2# 0-1

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Cankurt, Arda"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1689"]
[BlackElo "1356"]
[PlyCount "130"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Turkey"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "TUR"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 d5 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Bf4 0-0 10. Nbd2 Bg4 11. Bd3 Ng6 12. Bg3 f5 13. h3 f4 14. Bh2 Bf5 15. Nb3 Bxd3 16. Qxd3 Nge5 17. Nxe5 Nxe5 18. Qe2 Qg5 19. Qd1 f3 20. Qxd5+ Kh8 21. g4 Rf5 22. Bxe5 Rxe5 23. Qxf3 Rf8 24. Qg2 Re2 25. Nxc5 Qxc5 26. Rab1 b5 27. a3 h6 28. Qg3 Rc2 29. Qe3 Qxe3 30. fxe3 Rd8 31. Rf2 Rdd2 32. Rxd2 Rxd2 33. a4 a6 34. axb5 axb5 35. Re1 Rxb2 36. e4 Kg8 37. e5 Kf8 38. Kf1 Rh2 39. Re3 Ke7 40. Kg1 Rc2 41. h4 Rb2 42. Re4 Rb3 43. g5 Rxc3 44. gxh6 gxh6 45. Kf2 Ke6 46. Ke1 Rc5 47. Kd2 Rxe5 48. Rf4 Rf5 49. Rg4 h5 50. Rb4 Rc5 51. Kd3 Ke5 52. Re4+ Kf5 53. Rb4 Rd5+ 54. Ke3 Ke5 55. Rb1 Rc5 56. Rb4 Kd5 57. Rd4+ Kc6 58. Kd3 Rd5 59. Rxd5 Kxd5 60. Kc3 Ke4 61. Kb4 Kf4 62. Kxb5 Kg4 63. Kc4 Kxh4 64. Kd3 Kg3 65. Ke2 Kg2 0-1

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "1"]
[White "Diachek, Andriy"]
[Black "Chankseliani, Davit"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1689"]
[BlackElo "1276"]
[PlyCount "76"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Georgia"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "GEO"]

1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 cxd4 5. cxd4 d6 6. Nc3 Nf6 7. Bd3 Be7 8. 0-0 Bd7 9. Bf4 a6 10. h3 Nxd4 11. Nxd4 e5 12. Nde2 exf4 13. Nxf4 0-0 14. Nfd5 Bc6 15. Qf3 Bxd5 16. exd5 Nd7 17. Qg3 Ne5 18. Bc2 Bh4 19. Qh2 Rc8 20. Rac1 Bf6 21. Ne4 g6 22. b3 Bg7 23. h4 h6 24. h5 f5 25. Ng3 f4 26. Ne4 f3 27. g3 g5 28. Qh3 g4 29. Qh4 Bf6 30. Nxf6+ Qxf6 31. Qxf6 Rxf6 32. Bh7+ Kxh7 33. Rxc8 Nf7 34. Rc7 b5 35. Re1 Kg7 36. Re6 Rf5 37. Rxd6 Re5 38. Rg6+ Kf8 1-0

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "5"]
[White "Diachek, Andriy"]
[Black "Dolgopolov, Egor"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1689"]
[BlackElo "1437"]
[PlyCount "89"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Russia"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "RUS"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 Bg4 7. h3 Bh5 8. c4 Qd8 9. d5 Bxf3 10. Bxf3 Nd4 11. 0-0 g6 12. Be3 Qb6 13. Nc3 h5 14. Na4 Qc7 15. Nxc5 e5 16. dxe6 Bxc5 17. exf7+ Kxf7 18. Bxd4 Rhd8 19. Bd5+ Nxd5 20. cxd5 Rxd5 21. Qb3 Rad8 22. Bxc5 Qxc5 23. Qxb7+ Kf6 24. Rac1 Qf8 25. Qxa7 Rd2 26. Rc3 R8d5 27. Rf3+ Rf5 28. Rxf5+ gxf5 29. Qb6+ Rd6 30. Qb3 Qd8 31. Qc3+ Kg6 32. Qg3+ Kh7 33. Qe5 Rf6 34. Re1 Rf7 35. a4 Qg5 36. Qe3 Qf6 37. Qe6 Qg7 38. Re3 f4 39. Re5 f3 40. Rxh5+ Kg8 41. Qg4 fxg2 42. Rg5 Kf8 43. Rxg7 Rxg7 44. Qxg7+ Kxg7 45. Kxg2 1-0

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "9"]
[White "Diachek, Andriy"]
[Black "Kengurov, Yaroslav"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1689"]
[BlackElo "1484"]
[PlyCount "105"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Russia"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "RUS"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 g6 8. d4 cxd4 9. cxd4 e6 10. Bg5 h6 11. Bh4 Be7 12. d5 Na5 13. dxe6 fxe6 14. Bc2 e5 15. Nc3 g5 16. Bg3 Qb6 17. Nd5 Nxd5 18. exd5 0-0-0 19. Qd2 g4 20. Qc3+ Qc7 21. Qxc7+ Kxc7 22. Nd2 b5 23. b4 Nc4 24. Nxc4 bxc4 25. Re4 Kb6 26. Rxc4 Rc8 27. Rxc8 Rxc8 28. Bd3 Rc3 29. Be2 Rc2 30. Bd1 Rd2 31. Bb3 Bf5 32. f3 gxf3 33. gxf3 Rd3 34. f4 exf4 35. Bxf4 Bf6 36. Re1 Bd4+ 37. Kg2 Bc3 38. Re8 Bxb4 39. Bxh6 Bc5 40. h4 Bh3+ 41. Kh2 Bd7 42. Re4 Bc8 43. Bg5 Bb7 44. Bd8+ Ka7 45. h5 Bxd5 46. Bxd5 Rxd5 47. h6 Rh5+ 48. Rh4 Rxh4+ 49. Bxh4 Bd4 50. Kg3 Be3 51. h7 Bd4 52. Kf4 Bb2 53. Kf5 1-0

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "3"]
[White "Diachek, Andriy"]
[Black "Williams, Oscar"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1689"]
[BlackElo "1405"]
[PlyCount "86"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Israel"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "ISR"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Re1 0-0 9. d4 Rc8 10. d5 c4 11. Nd4 Nc5 12. f3 Nd3 13. Re2 Nxc1 14. Qxc1 Qb6 15. Na3 Nd7 16. Nac2 Nc5 17. Rb1 e5 18. dxe6 fxe6 19. Ne3 Nd3 20. Qd2 Bxd4 21. cxd4 Qxd4 22. Qc3 Nf4 23. Rd2 Qc5 24. Kh1 b5 25. Qd4 Nd3 26. Qxc5 Rxc5 27. b3 d5 28. exd5 exd5 29. b4 Rcc8 30. Nxd5 Rce8 31. Nc3 a6 32. a4 Rf5 33. axb5 axb5 34. Re2 Rxe2 35. Nxe2 Kf7 36. Nc3 Ke6 37. g4 Rxf3 38. Nxb5 Kd5 39. Kg2 Rf6 40. Nc7+ Kd4 41. b5 c3 42. b6 c2 43. Nb5+ Kc5 0-1

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "2"]
[White "Gabadadze, Gabriel"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "C85"]
[WhiteElo "1407"]
[BlackElo "1689"]
[PlyCount "132"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Georgia"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "GEO"]
[BlackTeamCountry "UKR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Be3 0-0 9. Nbd2 f6 10. a4 Nc5 11. d4 exd4 12. Nxd4 Bd6 13. c3 Qe8 14. Qc2 Qg6 15. f4 Re8 16. e5 Qxc2 17. Nxc2 fxe5 18. fxe5 Rxe5 19. Nc4 Rh5 20. Bf4 Bxf4 21. Rxf4 Be6 22. Raf1 g5 23. Rd4 Nb3 24. Ne5 Nxd4 25. Nxd4 Bd5 26. g4 Rh3 27. c4 c5 28. Nf5 Be6 29. Ng3 Rf8 30. Re1 Rh4 31. Re4 Rf4 32. Rxf4 gxf4 33. Nh5 f3 34. h3 Rxh3 35. Nf4 Rg3+ 36. Kf2 Rxg4 37. Kxf3 Rg5 38. Ke4 Bf5+ 39. Kf3 h5 40. Nd5 h4 41. Kf4 h3 42. Nf3 Rg2 43. Ne7+ Kh8 44. Kxf5 h2 45. Nxh2 Rxh2 46. Ke6 Rxb2 47. Kd7 Rb4 48. Kxc7 Rxc4 49. Kxb7 Rxa4 50. Kb6 c4 51. Nd5 Ra3 52. Kc5 c3 53. Nb4 Rb3 54. Nc2 Rb2 55. Na1 c2 56. Nxc2 Rxc2+ 57. Kb6 Rb2+ 58. Kxa6 Kg7 59. Ka5 Kf6 60. Ka4 Ke5 61. Ka3 Rb8 62. Ka2 Kd4 63. Ka1 Kc3 64. Ka2 Rb7 65. Ka1 Kc2 66. Ka2 Ra7# 0-1

[Event "EU-ch Hybrid U10"]
[Site "Tornelo INT"]
[Date "2021.10.15"]
[Round "6"]
[White "Kozlov, Kirill Dm"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "1228"]
[BlackElo "1689"]
[PlyCount "110"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Russia"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "UKR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. c3 d6 9. Re1 Na5 10. Bc2 c5 11. a4 Bb7 12. Nbd2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. h3 Bg7 16. Bg5 Nc6 17. d4 cxd4 18. cxd4 Nxd4 19. Nxd4 exd4 20. Qxd4 h6 21. Bxf6 Bxf6 22. Qb4 Qb6 23. Qb3 Bd4 24. Rf1 Rad8 25. Ne2 Bg7 26. Ng3 d5 27. axb5 axb5 28. Bd3 dxe4 29. Qxb5 Qc7 30. Bc4 Bc6 31. Qb3 Rb8 32. Qe3 Rxb2 33. Ra7 Rb7 34. Rxb7 Bxb7 35. Rc1 Qe7 36. Bb5 Rd8 37. Qb6 Bd4 38. Rc7 Bxb6 39. Rxe7 Bd5 40. Nxe4 Bxe4 41. Rxe4 Rd1+ 42. Bf1 Kg7 43. g3 h5 44. Kg2 Rd2 45. Re2 Rxe2 46. Bxe2 Kh6 47. Bc4 f5 48. Bf7 Kg7 49. Bd5 Kf6 50. f4 g5 51. fxg5+ Kxg5 52. Be6 Bc7 53. Bxf5 Kxf5 54. g4+ hxg4 55. hxg4+ Kxg4 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.17"]
[Round "9"]
[White "Dubnevych, Maksym"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1907"]
[BlackElo "1493"]
[PlyCount "107"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 0-0-0 11. Nd2 Bd6 12. Nc4 Ne7 13. Kh1 c5 14. Nxd6+ cxd6 15. f4 exf4 16. Bxf4 d5 17. Rae1 dxe4 18. Rxe4 Nd5 19. Bd2 Rhe8 20. Rfe1 Nf6 21. Re5 Rxe5 22. Rxe5 Rd5 23. Re2 Rd8 24. Ba5 Rd6 25. Re7 Rd7 26. Re2 Rd6 27. b4 cxb4 28. Bxb4 Re6 29. Rxe6 fxe6 30. Bc3 Nd5 31. Bd2 Kd7 32. c4 Ne7 33. Kg2 b5 34. cxb5 axb5 35. Kf3 Nd5 36. Ke4 Kd6 37. f4 Nf6+ 38. Kd4 Nd5 39. a3 g6 40. Bb4+ Kd7 41. Ke5 Nxb4 42. axb4 Ke7 43. h4 Kf7 44. Kd4 Kf6 45. Ke4 Kf7 46. Ke5 Ke7 47. d4 Kf7 48. Kd6 Kf6 49. Kc5 Kf5 50. Kxb5 Kxf4 51. Kc5 e5 52. dxe5 Kxe5 53. b5 Ke6 54. Kc6 1-0

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.16"]
[Round "8"]
[White "Diachek, Andriy"]
[Black "Zamekhovskiy, Yevgen"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1493"]
[BlackElo "1937"]
[PlyCount "60"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 Qxd5 6. 0-0 e6 7. Nbc3 Qd7 8. Ng3 Nc6 9. Nce2 h5 10. f3 0-0-0 11. c3 e5 12. Be3 h4 13. Ne4 Nd5 14. Bf2 f5 15. c4 Nb6 16. Nc5 Bxc5 17. dxc5 Nxc4 18. Qc2 Qd3 19. Rac1 Nd2 20. Qxd3 Rxd3 21. Rfd1 Rhd8 22. Nc3 h3 23. Bh4 R8d7 24. Be1 hxg2 25. Bxd2 Rxd2 26. b3 R7d3 27. Rxd2 Rxd2 28. Rd1 Rc2 29. Nb5 Nd4 30. Rd3 Ne2+ 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.14"]
[Round "6"]
[White "Diachek, Andriy"]
[Black "Shkuta, Igor"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1493"]
[BlackElo "1985"]
[PlyCount "109"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Be7 8. g3 h5 9. h3 a5 10. a4 b6 11. Bd3 Ba6 12. Bb1 g6 13. Ne2 b5 14. axb5 Bxb5 15. 0-0 Qb6 16. Rf2 Rb8 17. Rg2 Bc4 18. g4 hxg4 19. hxg4 Rh3 20. Ng3 g5 21. Nh5 cxd4 22. cxd4 Rxf3 23. Qxf3 Nxd4 24. Qf2 Bc5 25. Kh2 Nb3 26. Qc2 Nxc1 27. Qxc1 Be3 28. Qe1 gxf4 29. Qh4 f6 30. Bg6+ Kd8 31. Nxf6 Nxf6 32. Qxf6+ Kc8 33. b4 axb4 34. Bf7 Kb7 35. Qe7+ Kc6 36. Qxe6+ Kc5 37. Qe7+ Kd4 38. e6 Kc3 39. Qf6+ d4 40. Qh4 d3 41. Qe1+ Kd4 42. Ra4 Rh8+ 43. Bh5 Rxh5+ 44. gxh5 Qb5 45. Qd1 Bb3 46. Qa1+ Ke4 47. Ra5 Qb8 48. Kh1 Bxe6 49. Qf6 Qd6 50. Qg6+ Kf3 51. h6 d2 52. Qc2 Bd5 53. Qb2 Ke4 54. Qc2+ Ke5 55. Qb2+ 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.13"]
[Round "5"]
[White "Homeniuk, Ivan"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1991"]
[BlackElo "1493"]
[PlyCount "83"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 d6 9. c4 Nb6 10. exd6 cxd6 11. Be3 Ba6 12. Qc2 Qe6 13. Nd2 f5 14. 0-0-0 Be7 15. g4 fxg4 16. Bg2 0-0 17. Bxb6 axb6 18. Bxc6 Rac8 19. Bd5 Qxd5 20. cxd5 Rxc2+ 21. Kxc2 Rxf2 22. Rde1 Kf7 23. Re4 Bc8 24. Rc4 Bf5+ 25. Kd1 g3 26. Rg1 Rh2 27. Rf4 g6 28. Rxg3 Bxh4 29. Rgf3 Bg5 30. Rxf5+ gxf5 31. Rxf5+ Bf6 32. Ne4 Rh6 33. Nxd6+ Ke7 34. Nc8+ Kd8 35. Nxb6 Bxb2 36. Nc4 Bd4 37. d6 Bc3 38. Kc2 Bb4 39. Rd5 Rh3 40. Ne5 Rc3+ 41. Kb2 Rc5 42. Rxc5 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.12"]
[Round "3"]
[White "Baziuk, Vladyslav"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1941"]
[BlackElo "1493"]
[PlyCount "54"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 Be7 6. Nbd2 d5 7. Bd3 h6 8. Qe2 0-0 9. Ne5 Bd6 10. Ndf3 Qc7 11. g4 cxd4 12. cxd4 Ne4 13. Nxc6 bxc6 14. Bxd6 Qxd6 15. h4 Rb8 16. Kf1 f5 17. Kg2 fxg4 18. Bxe4 dxe4 19. Ne5 c5 20. Rad1 Bd7 21. Ng6 g3 22. Nxf8 Qxf8 23. Qg4 Rxb2 24. Rhf1 e5 25. Qxg3 h5 26. Qxe5 Qf3+ 27. Kg1 Bh3 0-1

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.12"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Podolskyi, Mykhailo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1493"]
[BlackElo "2007"]
[PlyCount "50"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. Bg5 c6 9. Qd2 Qd8 10. g4 Bg6 11. Ne5 Nbd7 12. h4 Nxe5 13. dxe5 h6 14. Qxd8+ Rxd8 15. Be3 Nd7 16. 0-0-0 Bc5 17. Bxc5 Nxc5 18. Rxd8+ Kxd8 19. Rd1+ Ke7 20. h5 Bh7 21. b4 Nd7 22. f4 Nb6 23. Bd3 Bxd3 24. Rxd3 Nd5 25. Nxd5+ cxd5 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.11"]
[Round "2"]
[White "Diachek, Andriy"]
[Black "Biletskiy, Danylo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1493"]
[BlackElo "2125"]
[PlyCount "98"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d5 8. cxd4 Bg4 9. Be3 Na5 10. Bc2 Nac4 11. b3 Nxe3 12. fxe3 e6 13. 0-0 Be7 14. Nc3 0-0 15. Ne2 Rc8 16. Nf4 Rc3 17. Qd2 Qc7 18. Bd3 Rc8 19. Ne2 Rc6 20. Rac1 Bf5 21. Bxf5 exf5 22. Rxc6 bxc6 23. Rc1 f6 24. Qd3 g6 25. Nf4 Qd7 26. Qd2 Qe8 27. Nd3 g5 28. Qf2 Nd7 29. Qg3 h6 30. Nh4 fxe5 31. Nxf5 e4 32. Ne5 Bf8 33. Ng4 h5 34. Ngh6+ Kh7 35. Qxg5 Qg6 36. h4 Qxg5 37. hxg5 Kg6 38. Rf1 Kxg5 39. Nf7+ Kg6 40. Nh4+ Kg7 41. Ng5 Kg8 42. Ng6 Kg7 43. Nh4 Bb4 44. Ne6+ Kg8 45. Nf5 Nf8 46. Nf4 Kf7 47. a3 Bd2 48. Rf2 Be1 49. Rf1 Bd2 1/2-1/2

[Event "Kiev Spring op"]
[Site "Kiev"]
[Date "2021.07.10"]
[Round "1"]
[White "Legenia, Artem"]
[Black "Diachek, Andriy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2144"]
[BlackElo "1493"]
[PlyCount "95"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. h3 a6 7. 0-0 0-0 8. Bb3 h6 9. Re1 Qe7 10. Nbd2 Be6 11. Bc2 Bd7 12. Nf1 b5 13. Ne3 Bb6 14. Nd5 Nxd5 15. exd5 Na5 16. d4 f6 17. Qd3 g5 18. b3 Qg7 19. Bb2 Rae8 20. Qg6 exd4 21. Nxd4 Bxd4 22. cxd4 f5 23. Qxg7+ Kxg7 24. Bd3 Kg6 25. Rec1 Rc8 26. Rc2 c6 27. Bc3 Nb7 28. dxc6 Rxc6 29. Rac1 Rfc8 30. g4 d5 31. Bb4 Rxc2 32. Rxc2 Rxc2 33. Bxc2 Nd8 34. Bd6 Nc6 35. Bc5 h5 36. a4 hxg4 37. hxg4 Kf6 38. axb5 axb5 39. Kg2 fxg4 40. Kg3 Bf5 41. Bd1 Na5 42. Bb6 Nc6 43. Bxg4 Bxg4 44. Kxg4 Kg6 45. f4 gxf4 46. Kxf4 Kf6 47. Kg4 Kg6 48. Kf4 1/2-1/2

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "5.5"]
[White "Diachek, Andriy"]
[Black "Gabadadze, Gabriel"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1471"]
[BlackElo "1182"]
[PlyCount "46"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Georgia"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "GEO"]

1. e4 c5 2. d4 cxd4 3. c3 e5 4. Nf3 Nc6 5. Bc4 Nf6 6. cxd4 exd4 7. 0-0 Nxe4 8. Re1 d5 9. Bxd5 Qxd5 10. Nc3 Qd7 11. Nxe4 Be7 12. Bf4 0-0 13. a3 Re8 14. Qe2 Qd5 15. Nd6 d3 16. Qe3 Rd8 17. Nxc8 Raxc8 18. Rac1 g5 19. Bxg5 Bxg5 20. Qxg5+ Qxg5 21. Nxg5 d2 22. Red1 dxc1Q 23. Rxc1 Ne5 0-1

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "3.5"]
[White "Diachek, Andriy"]
[Black "Kocharyan, Vache"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1471"]
[PlyCount "105"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Armenia"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "ARM"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 d6 6. 0-0 g6 7. c4 Bg7 8. Nc3 Nf6 9. Bg5 0-0 10. Qe2 a6 11. Rfd1 Qa5 12. Nd5 Bg4 13. Bxf6 exf6 14. h3 Bxf3 15. Qxf3 Ne5 16. Qf4 f5 17. exf5 Nxd3 18. Rxd3 Bxb2 19. f6 Bxa1 20. Qh6 Qe1+ 21. Kh2 Qe5+ 22. f4 Qxf6 23. Nxf6+ Bxf6 24. Rxd6 Bg7 25. Qg5 Rac8 26. Qd5 Rfe8 27. Rd7 Rf8 28. Rxb7 Rcd8 29. Rd7 Rb8 30. c5 Rb2 31. c6 Rc2 32. c7 Bh6 33. Qd6 Rc4 34. Rd8 Bxf4+ 35. Qxf4 Rxf4 36. Rxf8+ Kxf8 37. c8Q+ Kg7 38. Qxa6 Rf2 39. a4 Ra2 40. a5 h5 41. Qb6 Kh6 42. a6 f5 43. a7 f4 44. Qb7 f3 45. Qxf3 Rxa7 46. Qe3+ g5 47. Qxa7 h4 48. Qb6+ Kh5 49. Qd8 Kh6 50. Qf6+ Kh5 51. g3 hxg3+ 52. Kxg3 g4 53. hxg4# 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "7.5"]
[White "Diachek, Andriy"]
[Black "Oikonomopoulos, Filippos"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1471"]
[BlackElo "1366"]
[PlyCount "55"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Greece"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "GRE"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Bb4 8. Bd3 Nf6 9. 0-0 Bxc3 10. bxc3 0-0 11. Bf4 b6 12. Ne5 Bb7 13. f3 Rac8 14. Kh1 Nh5 15. Be4 Qd8 16. Bd2 Qh4 17. Be1 Qe7 18. f4 Nf6 19. Bh4 Rfd8 20. Qf3 Nxe5 21. fxe5 Bxe4 22. exf6 Qb7 23. Qg3 g6 24. Qg5 Kh8 25. Qd2 Kg8 26. Qh6 Bxg2+ 27. Kg1 Kh8 28. Qg7# 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "2.5"]
[White "Kozhedub, Ivan"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1222"]
[BlackElo "1471"]
[PlyCount "108"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Belarus Gomel"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "UKR"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Bd6 13. h3 Rhf8 14. b3 Ne5 15. Rxe5 Bxe5 16. Bb2 Bf6 17. Qd3 Qg6 18. Qxg6 hxg6 19. Rd1 c5 20. Ba3 b6 21. Rd3 Rfe8 22. Kf1 Re6 23. g4 g5 24. Bb2 Rh8 25. Kg2 Re2 26. Rd2 Rhe8 27. Bc1 b5 28. Kf1 R2e6 29. Rd1 Ra6 30. a3 Rh8 31. Kg2 Re8 32. Kf1 Kb7 33. b4 Kc6 34. bxc5 Kxc5 35. Bb2 Rd8 36. Bc1 Kc4 37. Nxg5 Kc3 38. Ne4+ Kxc2 39. Re1 d3 40. Rd1 Kxd1 41. Nxf6 Rxf6 42. Be3 Kc2 43. Kg2 Re6 44. Bg5 Rd5 45. Bf4 d2 46. Bxd2 Rxd2 47. Kg3 Ree2 48. f4 Rg2+ 49. Kh4 Kd3 50. Kg5 Ke4 51. h4 Rd5+ 52. f5 Kf3 53. Kh5 Rxg4 54. a4 Rxf5# 0-1

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "6.5"]
[White "Matskevich, Varvara"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "1265"]
[BlackElo "1471"]
[PlyCount "61"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Belarus Minsk"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "BLR"]
[BlackTeamCountry "UKR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. Re1 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. Qf3 Qh4 14. h3 Be6 15. Nc3 Rae8 16. Bd2 g5 17. Nxd5 cxd5 18. Bxd5 g4 19. Qe4 Bxd5 20. Qxd5 gxh3 21. Qxd6 Kh8 22. Qg3 Qd8 23. Bc3+ f6 24. Rxe8 Qxe8 25. Qxh3 Qe2 26. Qh6 Kg8 27. Qd2 Qg4 28. Qd1 Qg5 29. Qf3 Qh6 30. Qh3 Qf4 31. Qg3+ 1-0

[Event "Online Friendship U12"]
[Site "Tornelo INT"]
[Date "2020.11.21"]
[Round "4.5"]
[White "Norkeliunas, Sarunas"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1362"]
[BlackElo "1471"]
[PlyCount "96"]
[EventDate "2020.11.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BLR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Lithuania"]
[BlackTeam "Ukraine"]
[WhiteTeamCountry "LTU"]
[BlackTeamCountry "UKR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Nd5 8. c3 d6 9. Nxd4 Bd7 10. Bb3 dxe5 11. Bxd5 exd4 12. cxd4 0-0 13. Be3 Bf6 14. Nc3 Bf5 15. Bf3 Nxd4 16. Bxd4 Bxd4 17. Bxb7 Rb8 18. Bxa6 Rxb2 19. Nb5 Bb6 20. Qxd8 Rxd8 21. Rad1 Rxd1 22. Rxd1 h6 23. a3 Rxf2 24. Kh1 Kh7 25. Bb7 Bd3 26. h3 Bxb5 27. Be4+ f5 28. Bb1 Bc6 29. Rg1 Be4 30. Bxe4 fxe4 31. Re1 e3 32. a4 e2 33. Kh2 Kg6 34. Kg3 Kf5 35. h4 Ke4 36. a5 Bc5 37. a6 Kd3 38. Ra1 Rf1 39. a7 Rxa1 40. a8Q e1Q+ 41. Kg4 Rxa8 42. h5 Qe4+ 43. Kh3 Qf5+ 44. Kh2 Qxh5+ 45. Kg3 Bd6+ 46. Kf2 Ra2+ 47. Kg1 Qh2+ 48. Kf1 Qh1# 0-1

[Event "Elitzur Int Online"]
[Site "Chess.com INT"]
[Date "2020.11.01"]
[Round "4"]
[White "Diachek, Andriy"]
[Black "Ivanov, Taras"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1342"]
[BlackElo "1485"]
[PlyCount "56"]
[EventDate "2020.11.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bc4 Bg7 7. 0-0 d6 8. Qe2 Nf6 9. Rd1 Bg4 10. h3 Bxf3 11. Qxf3 0-0 12. Bf4 Nd7 13. Nd5 Nde5 14. Qb3 Nxc4 15. Qxc4 Bxb2 16. Rab1 Bg7 17. Nb4 Nxb4 18. Rxb4 Rc8 19. Qb3 b6 20. e5 Re8 21. exd6 exd6 22. Bxd6 Qd7 23. Rf4 Qe6 24. Qa4 Red8 25. Qa3 Be5 26. Re4 Rxd6 27. Rxd6 Qxd6 28. Qxa7 Qd1+ 0-1

[Event "Elitzur Int Online"]
[Site "Chess.com INT"]
[Date "2020.11.01"]
[Round "7"]
[White "Diachek, Andriy"]
[Black "Keleberda, Timur"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1342"]
[BlackElo "1994"]
[PlyCount "71"]
[EventDate "2020.11.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qd8 8. 0-0 0-0 9. Nb3 Bd6 10. Bg5 Be7 11. Qe2 a6 12. Rad1 Qa5 13. Nxa5 b5 14. Bd3 Bb4 15. Nb3 Bb7 16. Bxf6 gxf6 17. Be4 Nc6 18. Rd7 Rab8 19. Rxb7 Rxb7 20. Bxc6 Rc7 21. Be4 f5 22. Bd3 Bd6 23. Ng5 h6 24. Nf3 Ra8 25. Nh4 Kg7 26. Bxf5 Rg8 27. Qh5 Be7 28. Bd3 Bg5 29. f4 Bf6 30. c3 Rd7 31. Rf3 Rh8 32. Nc5 Rd5 33. Qg4+ Kf8 34. Ne4 Rg8 35. Qxg8+ Kxg8 36. Nxf6+ 1-0

[Event "Elitzur Int Online"]
[Site "Chess.com INT"]
[Date "2020.11.01"]
[Round "2"]
[White "Mukhin, Vladislav"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1910"]
[BlackElo "1342"]
[PlyCount "101"]
[EventDate "2020.11.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. f4 Bg7 11. Qf2 Nb6 12. Ba3 d6 13. Nc3 0-0 14. 0-0-0 Rad8 15. Be2 c5 16. Bf3 Bh6 17. Qe3 dxe5 18. Qxc5 Bxf4+ 19. Kb1 Qxc5 20. Bxc5 Rfe8 21. Rhe1 Bxh2 22. Ne4 Kg7 23. Rh1 Bf4 24. Rdf1 f5 25. Nc3 e4 26. Be2 Be5 27. Kc2 Bd4 28. Bb4 Bxc3 29. Bxc3+ Kg8 30. Rh2 Rd7 31. g4 Rf7 32. gxf5 Rxf5 33. Rxf5 gxf5 34. Rg2+ Kf8 35. Bh5 Rd8 36. Bb4+ Rd6 37. Bxd6+ cxd6 38. Kc3 Bc8 39. Kd4 Ke7 40. Rh2 Kf6 41. Be2 Bb7 42. Rxh7 Bc6 43. Rxa7 f4 44. Ra6 f3 45. Bf1 Nd7 46. Rxc6 Ne5 47. Rxd6+ Ke7 48. Kxe5 e3 49. Re6+ Kd7 50. Kf5 e2 51. Bxe2 1-0

