[Event "Prague Menchik Memorial Rapid"]
[Site "Prague"]
[Date "2021.09.28"]
[Round "8"]
[White "Agnello, Francesco Claudio"]
[Black "Niesner, Ondrej"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2030"]
[BlackElo "1826"]
[PlyCount "85"]
[EventDate "2021.09.28"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. e3 e6 4. Nf3 Nf6 5. d4 d5 6. Bd3 b6 7. 0-0 Bb7 8. Nbd2 Be7 9. a3 0-0 10. Ne5 Rc8 11. Qf3 Qc7 12. Qh3 h6 13. g4 Nh7 14. f4 Nxe5 15. dxe5 c4 16. bxc4 dxc4 17. Nxc4 Qc6 18. g5 Nxg5 19. fxg5 Bxg5 20. Bd4 Rfd8 21. Nd6 Rxd6 22. exd6 Qxd6 23. Qh5 Rf8 24. Qh3 e5 25. Bc3 Qc6 26. Bd2 Qh1+ 27. Kf2 Qd5 28. e4 Qc5+ 29. Be3 Bxe3+ 30. Qxe3 Qc6 31. Ke2 f5 32. Rxf5 Rxf5 33. exf5 e4 34. Qxe4 Qc7 35. Qe6+ Kf8 36. Bc4 Qxh2+ 37. Kd3 Qg3+ 38. Kd2 Qf2+ 39. Kc3 Qf3+ 40. Kb2 Qh5 41. Rd1 g5 42. Rd8+ Kg7 43. Rd7+ 1-0

[Event "Prague Menchik Memorial Rapid"]
[Site "Prague"]
[Date "2021.09.28"]
[Round "7"]
[White "Niesner, Ondrej"]
[Black "Buksa, Jaromir"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "1826"]
[BlackElo "2083"]
[PlyCount "82"]
[EventDate "2021.09.28"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nf3 Be6 8. Qd2 Nbd7 9. Be2 b5 10. 0-0 h6 11. Bh4 g5 12. Bg3 Be7 13. Bd3 0-0 14. h4 Nh7 15. hxg5 hxg5 16. a4 b4 17. Nd5 Bxd5 18. exd5 f5 19. Qxb4 e4 20. Bxe4 fxe4 21. Qxe4 Ndf6 22. Qg6+ Kh8 23. Nxg5 Nxg5 24. Qxg5 Nh7 25. Qe3 Bf6 26. c3 Re8 27. Qd3 Qb6 28. b4 Rac8 29. Rac1 Kg7 30. a5 Qb5 31. Qf3 Be5 32. Rfd1 Nf6 33. Bxe5 Rxe5 34. Rd4 Rxd5 35. Rg4+ Kf7 36. Rf4 Rg8 37. Rxf6+ Ke7 38. Rf7+ Ke8 39. Qf6 Re5 40. Ra7 Qd5 41. g3 Qe6 1-0

[Event "Prague Menchik Memorial Rapid"]
[Site "Prague"]
[Date "2021.09.28"]
[Round "9"]
[White "Niesner, Ondrej"]
[Black "Plasek, Zdenek"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1826"]
[BlackElo "1957"]
[PlyCount "140"]
[EventDate "2021.09.28"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Bd6 3. e4 Qe7 4. Nc3 c6 5. Nf3 Bc7 6. d4 d6 7. Qd2 Nf6 8. h3 exd4 9. Qxd4 0-0 10. 0-0-0 Nbd7 11. Nh4 Bb6 12. Nf5 Qe5 13. Qxe5 Nxe5 14. f4 Ng6 15. g3 Bxf5 16. exf5 Ne7 17. Rxd6 Nxf5 18. Rd3 Bf2 19. g4 Nh4 20. Nd1 Bb6 21. c4 Ne4 22. Rh2 Rad8 23. Kc2 Rxd3 24. Bxd3 Nc5 25. Bf1 Re8 26. Re2 Rxe2+ 27. Bxe2 f6 28. b4 Nd7 29. c5 Bc7 30. Bc1 Ng2 31. Bc4+ Kf8 32. f5 Nf4 33. Bxf4 Bxf4 34. Nf2 Bc7 35. Ne4 Ke7 36. a4 Ne5 37. Be2 a6 38. a5 Nf7 39. Kd3 Ng5 40. Bf1 Nxe4 41. Kxe4 Bg3 42. Kd4 Be1 43. Kc4 g6 44. Bd3 Kf7 45. Be4 Kg7 46. Bd3 Kh6 47. fxg6 hxg6 48. Be4 Kg5 49. Bg2 Kf4 50. Bf1 Kg3 51. Kd4 Bxb4 52. Ke4 Bxc5 53. Kd3 Bb4 54. Kc4 Bxa5 55. Kc5 g5 56. Kd6 Kf2 57. Bc4 Kg2 58. Ke6 Bc3 59. h4 gxh4 60. g5 fxg5 61. Kf5 h3 62. Kg4 h2 63. Bf1+ Kxf1 64. Kg3 h1Q 65. Kg4 Qe4+ 66. Kh5 g4 67. Kh4 g3+ 68. Kg5 g2 69. Kh5 Qf5+ 70. Kh4 Be1# 0-1

[Event "Prague Autumn op 1st"]
[Site "Prague"]
[Date "2021.09.26"]
[Round "5"]
[White "Korniichuk, Oleksandra"]
[Black "Niesner, Ondrej"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1775"]
[PlyCount "117"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 a6 7. 0-0 Qc7 8. Be3 d5 9. exd5 exd5 10. Bf3 Be6 11. Bg5 Rd8 12. Re1 Qc8 13. Nxe6 fxe6 14. Bxf6 gxf6 15. Bxd5 Rd6 16. Ne4 Ne5 17. Nxd6+ Bxd6 18. Bxb7 Qc7 19. Bxa6 Ke7 20. Qe2 Rg8 21. Kh1 Rg4 22. h3 Rh4 23. a3 Qc6 24. f3 Kf8 25. Bb5 Qa8 26. c4 Qa7 27. b4 Qg7 28. Qf2 Qg5 29. c5 Bc7 30. Re4 Ng6 31. Rg4 Qe5 32. g3 Qxa1+ 33. Kg2 Rh5 34. Re4 Qxa3 35. Qe3 Qb2+ 36. Qe2 Qxe2+ 37. Bxe2 Rg5 38. Rg4 Rd5 39. Kf2 Ne5 40. Re4 Kf7 41. f4 Nd3+ 42. Ke3 Nb2 43. Rd4 Rxd4 44. Kxd4 e5+ 45. Kc3 exf4 46. Kxb2 fxg3 47. Bf3 Ke6 48. Kc3 Kd7 49. Kc4 Be5 50. b5 Kc7 51. Kd5 h5 52. b6+ Kb8 53. c6 h4 54. Ke4 g2 55. Bxg2 Bg3 56. Kf5 Be5 57. Kg4 Bg3 58. Be4 Be1 59. c7+ 1-0

[Event "Prague Autumn op 1st"]
[Site "Prague"]
[Date "2021.09.26"]
[Round "4"]
[White "Niesner, Ondrej"]
[Black "Dusbaba, Karel"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1999"]
[PlyCount "84"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 Qc7 9. Qe2 Nge7 10. a4 Ng6 11. b4 Be7 12. Re1 a6 13. Na3 Na7 14. Nc2 Qxc3 15. Bd2 Qc7 16. b5 0-0 17. Rec1 axb5 18. axb5 Qb8 19. Ncd4 Rc8 20. g3 Rxc1+ 21. Rxc1 Nc8 22. h4 Nf8 23. Kg2 Nb6 24. Ng5 Be8 25. Qh5 f5 26. Qe2 Bf7 27. h5 Nbd7 28. g4 Qxe5 29. Nxf7 Qxd4 30. Bc3 Qxg4+ 31. Qxg4 fxg4 32. Ne5 Rc8 33. Nxg4 Nf6 34. Bxf6 Rxc1 35. Bxe7 Nd7 36. h6 Rd1 37. Be2 Rd2 38. Kf3 gxh6 39. Ke3 Ra2 40. Nxh6+ Kg7 41. Ng4 h5 42. Nh2 d4+ 0-1

[Event "Prague Autumn op 1st"]
[Site "Prague"]
[Date "2021.09.25"]
[Round "2"]
[White "Niesner, Ondrej"]
[Black "Delgerdalai, Bayarjavkhlan"]
[Result "0-1"]
[ECO "A37"]
[BlackElo "2070"]
[PlyCount "96"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e5 6. 0-0 Nge7 7. d3 0-0 8. Nd5 d6 9. a3 Nxd5 10. cxd5 Ne7 11. e4 a5 12. Bd2 a4 13. b4 b6 14. Rb1 Bd7 15. Bc3 f5 16. Nd2 Qc7 17. Nc4 b5 18. Nd2 Rac8 19. Rc1 Bh6 20. Re1 f4 21. Rf1 cxb4 22. Bxb4 Qb6 23. Qe2 Rxc1 24. Rxc1 fxg3 25. hxg3 Rxf2 26. Qxf2 Be3 27. Qxe3 Qxe3+ 28. Kh2 Kf7 29. Rf1+ Ke8 30. Rf3 Qe2 31. Nf1 Bg4 32. Re3 Qf2 33. Be1 Qb2 34. Bb4 Kd7 35. Nd2 h5 36. Re1 Ng8 37. Rf1 Ke7 38. Rf2 Qd4 39. Rf1 Nf6 40. Rc1 Bd7 41. Nf3 Ng4+ 42. Kh1 Qb2 43. Rf1 Ne3 44. Rg1 Bg4 45. Ne1 Qf2 46. Rf1 Nxf1 47. d4 Nxg3+ 48. Kh2 Ne2 0-1

[Event "Prague Autumn op 1st"]
[Site "Prague"]
[Date "2021.09.25"]
[Round "3"]
[White "Svetly, Jiri"]
[Black "Niesner, Ondrej"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1809"]
[PlyCount "66"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bg5 Bg7 7. Bd3 a6 8. Nge2 Nbd7 9. f3 Rb8 10. a4 h6 11. Be3 0-0 12. g4 h5 13. Bg5 Qe8 14. Ng3 Nh7 15. h4 Ndf6 16. gxh5 Nxh5 17. Nxh5 gxh5 18. Rg1 Nxg5 19. hxg5 f5 20. gxf6 Rxf6 21. Kd2 Qf7 22. Be2 Bd7 23. Qe1 Kf8 24. Qg3 Bh6+ 25. Kd3 Ke7 26. Qh4 Rh8 27. Rg2 Ke8 28. Rag1 Rf4 29. Qg3 h4 30. Qg6 h3 31. Qxd6 Qf6 32. Qb8+ Kf7 33. Rg8 h2 0-1

