[Event "Jesenik op-B"]
[Site "Jesenik"]
[Date "2023.08.27"]
[Round "9"]
[White "Boff, Ondrej"]
[Black "Trojan, Matyas"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1643"]
[BlackElo "1896"]
[PlyCount "112"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Nf6 4. Nf3 Bc5 5. 0-0 d6 6. c3 a6 7. h3 Ba7 8. Be3 Na5 9. Nbd2 Nxc4 10. Nxc4 b5 11. Ncd2 0-0 12. Bxa7 Rxa7 13. d4 Re8 14. Re1 Nh5 15. Nf1 Qf6 16. Nxe5 dxe5 17. Qxh5 g6 18. Qd1 Qg5 19. Qc1 Qh4 20. Qe3 exd4 21. Qxd4 c5 22. Qxc5 Rae7 23. Ng3 f5 24. e5 f4 25. Nf1 Qg5 26. Qd5+ Kg7 27. Qd3 Bb7 28. f3 Bc8 29. Kh1 Rxe5 30. Rxe5 Rxe5 31. Rd1 Be6 32. Qd4 Kh6 33. Nh2 Re2 34. Ng4+ Kh5 35. Qg7 h6 36. Kh2 Kh4 37. b4 h5 38. Qh8 Bd5 39. Kh1 Bxa2 40. Rg1 Be6 41. Nf6 Bf5 42. Nh7 Qe7 43. Qd4 g5 44. Nf6 Qe6 45. Nd5 Kg3 46. Nc7 Qe3 47. Qxe3 fxe3 48. Nd5 Be6 49. Nf6 Bf5 50. Nd5 Kf2 51. g4 hxg4 52. hxg4 Be6 53. Nf6 Kxf3 54. Nh5 Rf2 55. Rg3+ Ke2 56. Rg1 Bd5+ 0-1

[Event "Jesenik op-B"]
[Site "Jesenik"]
[Date "2023.08.23"]
[Round "5"]
[White "Boff, Ondrej"]
[Black "Chlebek, Jan"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1643"]
[BlackElo "1776"]
[PlyCount "90"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Qg4 6. Nc3 Qxg2 7. Rg1 Qh3 8. Rg3 Qe6 9. Qb3 b6 10. d4 cxd4 11. Nxd4 Qd7 12. Be3 Nc6 13. Qc2 Rc8 14. Rd1 Nf6 15. f4 Nxd4 16. Rxd4 g6 17. b3 Bg7 18. Rd2 Nh5 19. Rf3 Qg4 20. Rdf2 0-0 21. Nd5 Rfe8 22. Qd3 b5 23. Bd4 Qg1+ 24. Ke2 bxc4 25. bxc4 Bxd4 26. Qxd4 e6 27. Ne3 Qb1 28. Qd3 Qxa2+ 29. Kf1 Qa1+ 30. Kg2 Red8 31. f5 e5 32. Nd5 Rd7 33. f6 Rc5 34. Ne7+ Kh8 35. Qb3 Qa5 36. Nd5 Qa6 37. Ne7 Qb6 38. Qe3 Nf4+ 39. Rxf4 exf4 40. Qh3 Rg5+ 41. Kf1 Qb1+ 42. Ke2 Qxe4+ 43. Kd1 Rg1+ 44. Kd2 Qd4+ 45. Ke2 Qd1# 0-1

[Event "Jesenik op-B"]
[Site "Jesenik"]
[Date "2023.08.22"]
[Round "4"]
[White "Vizner, Jaroslav"]
[Black "Boff, Ondrej"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1848"]
[BlackElo "1643"]
[PlyCount "61"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. e3 d6 5. cxb5 a6 6. Nc3 Nbd7 7. Nf3 g6 8. Be2 Bg7 9. 0-0 0-0 10. e4 axb5 11. Bxb5 Ba6 12. Re1 Bxb5 13. Nxb5 Qb6 14. a4 Ne8 15. Qc2 Nc7 16. Nxc7 Qxc7 17. Bd2 Ra7 18. Rab1 Ne5 19. Nxe5 Bxe5 20. f4 Bd4+ 21. Be3 Bxe3+ 22. Rxe3 Rfa8 23. b3 c4 24. Rc3 cxb3 25. Qxb3 Qa5 26. Ra1 Rc7 27. Rxc7 Qxc7 28. h3 Qc5+ 29. Kh2 Qd4 30. Re1 Rxa4 31. Qe3 1/2-1/2

[Event "Jesenik op-B"]
[Site "Jesenik"]
[Date "2023.08.21"]
[Round "3"]
[White "Boff, Ondrej"]
[Black "Lizner, Milan"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "1643"]
[BlackElo "1752"]
[PlyCount "120"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[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 d6 4. d4 cxd4 5. Qxd4 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. 0-0 Bg7 10. Qd3 0-0 11. Bg5 Qb6 12. Rab1 a6 13. b4 Rac8 14. b5 axb5 15. cxb5 Bd7 16. Bxf6 exf6 17. Nd5 Qd8 18. Ne3 Qa5 19. Qxd6 Be6 20. a3 Rfd8 21. Qb4 Qxb4 22. axb4 Bf8 23. Rfc1 Rxc1+ 24. Rxc1 Bxb4 25. Rc7 b6 26. Kf1 Kg7 27. Rc2 Bc5 28. Ke2 f5 29. exf5 gxf5 30. g3 Kf6 31. h4 h6 32. Rc3 Bb4 33. Rc2 Bc5 34. Rc3 Ra8 35. Rc2 Ra4 36. Rb2 f4 37. gxf4 Rxf4 38. Rb1 h5 39. Ng5 Rxh4 40. Nxe6 fxe6 41. Kf3 Ra4 42. Rb3 Ra2 43. Kg3 Kg5 44. Rb1 h4+ 45. Kf3 Ra4 46. Rb2 Rf4+ 47. Kg2 h3+ 48. Kxh3 Bxe3 49. fxe3 Rf3+ 50. Kg2 Rxe3 51. Rb4 Kf6 52. Kf2 Rc3 53. Ke2 Ke7 54. Kd2 Rh3 55. Kc2 Kd6 56. Rc4 Rh2+ 57. Kc3 Rh1 58. Rc6+ Kd5 59. Kd3 Rb1 60. Rxb6 Kc5 1/2-1/2

[Event "Jesenik op-B"]
[Site "Jesenik"]
[Date "2023.08.20"]
[Round "2"]
[White "Smid, Jan"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1903"]
[BlackElo "1643"]
[PlyCount "88"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 Be7 4. e3 0-0 5. Bd3 b6 6. Bxf6 Bxf6 7. f4 c5 8. c3 d5 9. Qf3 Nc6 10. Ne2 Qc7 11. h4 c4 12. Bc2 b5 13. g4 b4 14. g5 bxc3 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. gxf6 cxd2+ 18. Kf2 Ne7 19. fxe7 Qxe7 20. Rhg1 Qf6 21. Rad1 Rb8 22. Rxd2 Ba6 23. Rg5 Rb6 24. Ng3 Rfb8 25. b3 cxb3 26. axb3 Rxb3 27. Qd1 Qh6 28. Rh5 Qg6 29. Rg5 Qh6 30. Rh5 Qg6 31. Rg5 Qb1 32. Qxb1 Rxb1 33. Nh5 g6 34. Nf6+ Kg7 35. Nd7 R8b2 36. Rxb2 Rxb2+ 37. Kg1 Re2 38. Rg3 Bb5 39. Ne5 Kf6 40. Rg2 Rxg2+ 41. Kxg2 a5 42. Nf3 a4 43. Nd2 Bd3 44. Kf3 Bc2 0-1

[Event "Bohumin op-B 6th"]
[Site "Bohumin"]
[Date "2023.07.08"]
[Round "8"]
[White "Boff, Ondrej"]
[Black "Boff, Vojtech"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "1650"]
[BlackElo "1465"]
[PlyCount "47"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Bc5 6. Nb3 Be7 7. Nc3 d6 8. Be2 Nf6 9. Be3 a6 10. 0-0 0-0 11. Rc1 Bd7 12. f3 Rc8 13. Nd4 Nxd4 14. Bxd4 e5 15. Be3 Be6 16. b3 Nd7 17. Qd2 f5 18. Rfd1 f4 19. Bf2 Nf6 20. Nd5 Bxd5 21. cxd5 Qd7 22. Rxc8 Rxc8 23. Rc1 Bd8 24. Rc2 1/2-1/2

[Event "Bohumin op-B 6th"]
[Site "Bohumin"]
[Date "2023.07.05"]
[Round "5"]
[White "Staniczek, Kacper"]
[Black "Boff, Ondrej"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1406"]
[BlackElo "1650"]
[PlyCount "53"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 Be7 7. N1c3 a6 8. Na3 f5 9. Bc4 Nf6 10. exf5 Bxf5 11. 0-0 Qd7 12. Nd5 Nxd5 13. Qxd5 Bf6 14. c3 Ne7 15. Qd1 d5 16. Bb3 0-0 17. f4 e4 18. Be3 Be6 19. Nc2 Nf5 20. Qd2 Qd6 21. Rad1 Rfd8 22. Nd4 Bxd4 23. Bxd4 Rd7 24. Kh1 Rad8 25. Qf2 Qc6 26. Rfe1 Bf7 27. Bc2 1/2-1/2

[Event "Bohumin op-B 6th"]
[Site "Bohumin"]
[Date "2023.07.04"]
[Round "4"]
[White "Boff, Ondrej"]
[Black "Slusarczyk, Anna"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1650"]
[BlackElo "1749"]
[PlyCount "64"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Qc7 7. Be3 b6 8. Be2 Bb7 9. f3 d6 10. 0-0 Nbd7 11. Rc1 Be7 12. Qd2 0-0 13. Rfd1 Rac8 14. b3 Qb8 15. Nc2 Bd8 16. Bf4 Ne5 17. Bg3 Bc7 18. Nd4 Rfd8 19. Qe3 Ng6 20. f4 e5 21. fxe5 dxe5 22. Nf5 Rxd1+ 23. Rxd1 b5 24. Nd5 Bxd5 25. exd5 Bb6 26. Rd4 exd4 27. Qd3 bxc4 28. bxc4 Qa7 29. Bf3 Re8 30. h4 Ne5 31. Bxe5 Rxe5 32. g4 Qe7 0-1

[Event "Bohumin op-B 6th"]
[Site "Bohumin"]
[Date "2023.07.03"]
[Round "3"]
[White "Michniak, Julia"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1081"]
[BlackElo "1650"]
[PlyCount "66"]
[EventDate "2023.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 d5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Nbd2 b5 9. Be2 b4 10. 0-0 Bf5 11. Nh4 Bd7 12. Nhf3 e6 13. Ne5 Be7 14. Nxd7 Kxd7 15. Rfc1 Ra7 16. cxb4 Bxb4 17. Nf3 Rha8 18. a3 Bd6 19. Bxd6 Kxd6 20. Nd2 b5 21. Nb1 b4 22. Bd1 Nd7 23. Be2 f6 24. Bd1 e5 25. dxe5+ fxe5 26. Kf1 Nc5 27. Ke2 Nd3 28. Rc2 Rf8 29. f3 e4 30. Nd2 b3 31. Rcc1 exf3+ 32. Nxf3 Nce5 33. Nd4 Rf2# 0-1

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9"]
[White "Boff, Ondrej"]
[Black "Chernyy, Andrey"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "1561"]
[BlackElo "1605"]
[PlyCount "134"]
[EventDate "2023.03.11"]
[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. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bb4 5. Nge2 0-0 6. 0-0 Na5 7. a3 Bxc3 8. Nxc3 Nxc4 9. dxc4 d6 10. Qd3 Be6 11. Bg5 h6 12. Bh4 g5 13. Bg3 Kg7 14. h4 Rh8 15. b3 Nh5 16. Qf3 Nf4 17. Bxf4 gxf4 18. g3 Rg8 19. Kh2 Kh7 20. Rg1 Rg4 21. Rg2 Qf6 22. Kh1 Rag8 23. Nd5 Qd8 24. Rd1 R4g6 25. Rd2 Bh3 26. Rh2 Bg4 27. Qc3 fxg3 28. fxg3 c6 29. Nb4 a5 30. Na2 Be6 31. Rhg2 Bh3 32. Rg1 Qf6 33. Qe3 Qe7 34. Kh2 Bd7 35. Nc3 Qe6 36. Kh1 Qh3+ 37. Rh2 Rxg3 38. Rxh3 Rxh3+ 39. Qxh3 Rxg1+ 40. Kxg1 Bxh3 41. Kh2 Be6 42. Kg3 Kg6 43. Nd1 f5 44. exf5+ Bxf5 45. Ne3 Be4 46. Kg4 h5+ 47. Kg3 b5 48. c3 d5 49. cxb5 cxb5 50. a4 bxa4 51. bxa4 d4 52. cxd4 exd4 53. Nc4 Bc2 54. Nxa5 Bxa4 55. Kf4 d3 56. Nc4 Kf6 57. Ke3 Bc2 58. Nb2 Kf5 59. Nxd3 Bxd3 60. Kxd3 Kg4 61. Ke4 Kxh4 62. Kf4 Kh3 63. Kf3 h4 64. Kf2 Kh2 65. Kf1 Kg3 66. Kg1 h3 67. Kh1 h2 1/2-1/2

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8"]
[White "Boff, Ondrej"]
[Black "Rendl, Lubos"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1561"]
[BlackElo "1477"]
[PlyCount "51"]
[EventDate "2023.03.11"]
[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. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a3 a4 7. Ba2 Bd6 8. Nc3 Be6 9. Bg5 Ra5 10. Qd2 Nbd7 11. 0-0 0-0 12. Rfe1 d4 13. Ne2 Bxa2 14. Rxa2 Rb5 15. Ng3 g6 16. Bh6 Re8 17. Nf5 Nf8 18. Ng7 Re7 19. Nh4 Ne6 20. Nhf5 Rd7 21. Nxe6 fxe6 22. Nxd6 Rxd6 23. f4 exf4 24. e5 Rxe5 25. Rxe5 Ng4 26. Bg5 1-0

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7"]
[White "Sboev, Kirill"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1506"]
[BlackElo "1561"]
[PlyCount "80"]
[EventDate "2023.03.11"]
[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. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. d3 h5 6. e4 d6 7. Nbd2 Bd7 8. Re1 Nh6 9. c3 0-0 10. Nf1 Bg4 11. Bf4 Qd7 12. Qd2 Bxf3 13. Bxh6 Bxg2 14. Kxg2 d5 15. Bxg7 Kxg7 16. Qf4 d4 17. c4 e5 18. Qd2 a6 19. Rac1 Qe7 20. a3 Rfc8 21. f4 b5 22. b3 Rcb8 23. Rb1 a5 24. h3 h4 25. g4 exf4 26. Qxf4 Ne5 27. Qd2 a4 28. cxb5 Rxb5 29. bxa4 Rxb1 30. Rxb1 Rxa4 31. Rb3 Qf6 32. Nh2 Qa6 33. Nf3 Nxf3 34. Kxf3 Rxa3 35. Rxa3 Qxa3 36. Kg2 Qc3 37. Qe2 c4 38. Kf2 cxd3 39. Qd1 Qc2+ 40. Ke1 Qxd1+ 0-1

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6"]
[White "Boff, Ondrej"]
[Black "Mikulka, Martin Michael"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1561"]
[BlackElo "1786"]
[PlyCount "84"]
[EventDate "2023.03.11"]
[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. exd5 exd5 4. Bd3 Nf6 5. Ne2 Bd6 6. Bf4 0-0 7. 0-0 Bg4 8. f3 Bh5 9. Bxd6 Qxd6 10. Ng3 Bg6 11. Nf5 Bxf5 12. Bxf5 Nbd7 13. Nd2 Qf4 14. Bxd7 Qxd4+ 15. Rf2 Nxd7 16. c3 Qb6 17. Nb3 Nf6 18. Qd2 Rfe8 19. Nd4 Re5 20. Re1 Rae8 21. Rfe2 Rxe2 22. Rxe2 Rxe2 23. Qxe2 g6 24. Kf1 c5 25. Nb3 Qd6 26. g4 b6 27. Nd2 Qf4 28. Kg2 h5 29. h3 Qg5 30. Nf1 hxg4 31. hxg4 Nh5 32. Qe8+ Kg7 33. Ne3 d4 34. Nc4 Nf4+ 35. Kg3 Ne6 36. Qd7 Qf4+ 37. Kg2 dxc3 38. Qd3 cxb2 39. Nxb2 Qc1 40. Qb3 Qd2+ 41. Kg3 Qe1+ 42. Kg2 Nf4+ 0-1

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5"]
[White "Hladky, Mikulas"]
[Black "Boff, Ondrej"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1476"]
[BlackElo "1561"]
[PlyCount "52"]
[EventDate "2023.03.11"]
[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. Nf3 c5 2. c4 g6 3. e3 Bg7 4. Nc3 d6 5. Be2 Nf6 6. 0-0 0-0 7. d4 Nc6 8. d5 Nb8 9. Ne1 Bf5 10. f3 a6 11. a4 Ne8 12. e4 Bd7 13. Be3 f5 14. Qd2 e6 15. Nd3 exd5 16. exd5 Bc8 17. Bh6 Bd4+ 18. Be3 Bf6 19. Rfe1 Nd7 20. Reb1 Ne5 21. Nxe5 Bxe5 22. Bg5 Qc7 23. Bf4 Bf6 24. Bg5 Be5 25. Bf4 Bf6 26. Bg5 Be5 1/2-1/2

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4"]
[White "Boff, Ondrej"]
[Black "Policar, Martin"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1561"]
[BlackElo "1552"]
[PlyCount "48"]
[EventDate "2023.03.11"]
[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. Bd3 Nf6 4. e5 Nfd7 5. Nd2 c5 6. c3 Nc6 7. Ne2 Be7 8. Qc2 c4 9. Bxh7 Nf8 10. Be4 dxe4 11. Nxc4 b6 12. Ng3 e3 13. f3 Ba6 14. b3 Bxc4 15. bxc4 Bh4 16. Rg1 Qg5 17. Qa4 Bxg3+ 18. hxg3 Qxg3+ 19. Kd1 Rc8 20. d5 Qf2 21. Bxe3 Qxe3 22. Kc2 Qe2+ 23. Kb3 b5 24. Qxb5 Rb8 0-1

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3"]
[White "Mydlar, Matej"]
[Black "Boff, Ondrej"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1586"]
[BlackElo "1561"]
[PlyCount "62"]
[EventDate "2023.03.11"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. f3 Nf6 10. Be2 0-0 11. 0-0 Be6 12. Be3 Rc8 13. Qd2 Nd7 14. Nd5 Bxd5 15. cxd5 Nd4 16. Bxd4 exd4 17. Nc2 Qb6 18. Nxd4 Bf6 19. Rfd1 fxe4 20. fxe4 Bxd4+ 21. Qxd4 Qxd4+ 22. Rxd4 Rc2 23. Bg4 Rff2 24. Be6+ Kh8 25. Bxd7 Rxg2+ 26. Kh1 Rxh2+ 27. Kg1 Rhg2+ 28. Kh1 Rh2+ 29. Kg1 Rhg2+ 30. Kh1 Rh2+ 31. Kg1 Rhg2+ 1/2-1/2

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2"]
[White "Boff, Ondrej"]
[Black "Bara, Jan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1561"]
[BlackElo "1712"]
[PlyCount "120"]
[EventDate "2023.03.11"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 g6 6. d4 cxd4 7. Nxd4 Nf6 8. f3 Bg7 9. c4 0-0 10. Nc3 Nc6 11. Be3 Rab8 12. Rc1 a6 13. b3 Nxd4 14. Bxd4 b5 15. c5 Rfd8 16. Qe2 e5 17. Be3 d5 18. c6 Qc7 19. Bg5 Qa7+ 20. Kh1 d4 21. c7 Qxc7 22. Nd5 Qd6 23. Rc6 Nxd5 24. Rxd6 Rxd6 25. exd5 Rxd5 26. Rc1 f6 27. Qe4 Rbd8 28. Bh4 d3 29. Qe3 Rd4 30. g4 g5 31. Bg3 d2 32. Rd1 Bf8 33. Qc3 Bb4 34. Qc6 R4d6 35. Qe4 Rc8 36. Qxb4 Rd4 37. Qxd4 exd4 38. Rxd2 d3 39. Kg2 Rc2 40. Be1 Kf7 41. Kf2 Ke6 42. Rxc2 dxc2 43. Bd2 h6 44. Ke3 f5 45. h3 fxg4 46. hxg4 Kd5 47. Kd3 Ke5 48. Be3 a5 49. Kxc2 a4 50. bxa4 bxa4 51. Kc3 Kd5 52. Kb4 a3 53. Kxa3 Kc4 54. Kb2 Kd3 55. Bxg5 hxg5 56. a4 Ke3 57. a5 Kxf3 58. a6 Kxg4 59. a7 Kh3 60. a8Q g4 1-0

[Event "CZE-ch U12"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1"]
[White "Sudrich, Radek1111"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "1304"]
[BlackElo "1561"]
[PlyCount "98"]
[EventDate "2023.03.11"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Nc3 0-0 9. Bc4 a6 10. 0-0 d6 11. Bd5 Be6 12. Bxe6 fxe6 13. Qg4 Qe7 14. Ne2 d5 15. Rad1 Rfd8 16. exd5 exd5 17. Ng3 e4 18. Nf5 Qc7 19. Nc5 Ne5 20. Nh6+ Kh8 21. Ne6 Qe7 22. Nxd8 Rxd8 23. Nf5 Nxg4 24. Nxe7 Bxe7 25. h3 Nf6 26. Rfe1 Kg8 27. Re3 Rc8 28. c3 Kf7 29. g4 Rd8 30. Re2 g5 31. Kg2 Ke6 32. f3 Rd6 33. h4 gxh4 34. g5 Nh5 35. Kh2 Nf4 36. Re3 Kf5 37. fxe4+ dxe4 38. Rde1 Rd2+ 39. Kh1 Ng2 40. Rf1+ Ke5 41. Rh3 e3 42. Rff3 e2 43. Re3+ Nxe3 44. Rxe3+ Kf4 45. Rxe7 Rd1+ 46. Kg2 e1Q 47. Rf7+ Kxg5 48. Rg7+ Kh6 49. Rxb7 Qg3# 0-1

[Event "Bohumin op 5th"]
[Site "Bohumin"]
[Date "2022.07.08"]
[Round "7"]
[White "Pelc, Adam"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1874"]
[BlackElo "1363"]
[PlyCount "117"]
[EventDate "2022.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 c5 4. Bb5+ Nc6 5. Bxc6+ bxc6 6. Nf3 Bf5 7. 0-0 e6 8. d3 Qc7 9. Ne5 Bd6 10. f4 0-0 11. Nd2 Rad8 12. Kh1 Rfe8 13. Qe2 Nd7 14. Nxd7 Qxd7 15. Qf2 h6 16. Qg3 Bf8 17. Nf3 Qd6 18. Rae1 Bh7 19. Bf6 Rd7 20. Ne5 Rb7 21. Nf3 Kh8 22. Bb2 a5 23. Ba3 Qb8 24. Bb2 Ra7 25. Ne5 Rc8 26. Ng4 f6 27. e4 d4 28. a4 Rf7 29. e5 f5 30. Nf2 Qb4 31. Rd1 Rd8 32. Nh3 Be7 33. Qf3 Qb7 34. Bc1 Rg8 35. Qh5 Bd8 36. Bd2 Qe7 37. g3 Qd7 38. Kg1 Rgf8 39. Nf2 Qd5 40. h4 Rd7 41. Nh3 Rb7 42. Qf3 Qd7 43. Nf2 Rb8 44. Rde1 Bc7 45. Nd1 Ra8 46. Nb2 Rfb8 47. Nc4 Re8 48. Bc1 Ra6 49. Ba3 Qe7 50. Qf2 Kg8 51. Rc1 Rd8 52. c3 Qd7 53. Bxc5 Rb8 54. Qxd4 Qxd4+ 55. Bxd4 Rxb3 56. Rb1 Rxb1 57. Rxb1 Kf8 58. Rb7 Bd8 59. Bc5+ 1-0

[Event "Bohumin op 5th"]
[Site "Bohumin"]
[Date "2022.07.06"]
[Round "5"]
[White "Hanak, Tomas"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1906"]
[BlackElo "1363"]
[PlyCount "41"]
[EventDate "2022.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. g3 Nf6 5. Bg2 c6 6. Nf3 Bf5 7. 0-0 Nbd7 8. d4 e6 9. Bd2 Qc7 10. Re1 0-0-0 11. Bf4 Bd6 12. Bxd6 Qxd6 13. Qe2 Nb6 14. Ne5 Bg6 15. Rad1 Nbd7 16. Nxc6 Rde8 17. Nb5 Qf8 18. Ncxa7+ Kd8 19. Qc4 Bf5 20. Bxb7 Be4 21. Rxe4 1-0

[Event "Bohumin op 5th"]
[Site "Bohumin"]
[Date "2022.07.02"]
[Round "1"]
[White "Olsar, Jaroslav"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2084"]
[BlackElo "1363"]
[PlyCount "73"]
[EventDate "2022.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Ne4 Qc7 8. Nxf6+ gxf6 9. g3 Nd7 10. Bg2 e6 11. 0-0 Bd6 12. Re1 0-0-0 13. c4 Rdg8 14. c5 Be7 15. Bf4 Qd8 16. b4 Nf8 17. a4 Ng6 18. Be3 h5 19. Bc1 h4 20. b5 hxg3 21. fxg3 e5 22. bxc6 bxc6 23. Be3 Qc7 24. d5 cxd5 25. Qxd5 Be6 26. Qa8+ Qb8 27. Qc6+ Qc7 28. Qa6+ Kd8 29. Rab1 Bc8 30. Qb5 Bd7 31. Red1 Ke8 32. Qb8+ Qxb8 33. Rxb8+ Bd8 34. c6 Nf8 35. Bc5 a6 36. Bxf8 Kxf8 37. Rxd7 1-0

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.12"]
[Round "9.3"]
[White "Boff, Ondrej"]
[Black "Letal, Hynek"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1346"]
[BlackElo "1291"]
[PlyCount "101"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Trinec U12"]
[BlackTeam "Frydek Mistek U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 c5 2. Nf3 Nc6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 d6 7. Bc4 Nf6 8. Be3 Bd7 9. Qd2 Ng4 10. 0-0 Nxe3 11. fxe3 0-0 12. Rf2 Na5 13. Bd3 Rc8 14. Raf1 Nc4 15. Bxc4 Rxc4 16. Rc1 b5 17. Qd1 Qc7 18. Rfc2 e6 19. b3 Rc6 20. Nxb5 Qb6 21. Rxc6 Bxc6 22. Nxd6 Qa6 23. Qc2 Bb7 24. Nxb7 Qxb7 25. Qc6 Qb4 26. Qc5 Qb7 27. Rc4 Qxe4 28. Kf2 Bh6 29. Rc3 Qb1 30. Rc2 Qd1 31. Rd2 Qb1 32. Qc2 Qxc2 33. Rxc2 Kg7 34. Rc7 a6 35. Ne5 Bg5 36. g3 h5 37. Ra7 h4 38. Rxa6 hxg3+ 39. hxg3 Rh8 40. Nf3 Bf6 41. Kg2 Bg5 42. Nxg5 Rh5 43. Nf3 Rb5 44. Ra7 Rf5 45. Ne5 Rf6 46. b4 Rf5 47. b5 Rh5 48. Rxf7+ Kh6 49. b6 Kg5 50. Nf3+ Kg4 51. Rf4# 1-0

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.11"]
[Round "4.3"]
[White "Boff, Ondrej"]
[Black "Kolar, Edvard"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1346"]
[BlackElo "1444"]
[PlyCount "81"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Trinec U12"]
[BlackTeam "Ricany U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ngf3 Qb6 6. Qb3 cxd4 7. Qxb6 axb6 8. cxd4 dxe4 9. Nxe4 Bb4+ 10. Nc3 Nf6 11. Bd3 Nd5 12. Bd2 Ke7 13. 0-0 h6 14. Rfe1 Nc7 15. a3 Bxc3 16. Bxc3 Rd8 17. Rad1 Nd5 18. Bd2 g5 19. Ne5 Nxd4 20. Be3 Nc6 21. Nc4 b5 22. Nb6 Nxb6 23. Bxb6 Rd5 24. Bf1 Rf5 25. g4 Rf4 26. h3 b4 27. Bc5+ Kf6 28. Bd6 e5 29. axb4 Be6 30. b5 Nd4 31. Bxe5+ Ke7 32. Rxd4 Rxd4 33. Bxd4 Rd8 34. Bc5+ Kf6 35. Bg2 Rc8 36. Bd4+ Ke7 37. Bxb7 Rd8 38. Bc5+ Kf6 39. b6 Rb8 40. Bg2 Bc8 41. Re8 1-0

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.11"]
[Round "3.2"]
[White "Knapek, Jan"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1306"]
[BlackElo "1346"]
[PlyCount "95"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Grygov U12"]
[BlackTeam "Trinec U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 Bf5 6. Bd3 Bg6 7. Bf4 c6 8. Qe2 e6 9. 0-0 Be7 10. Rfe1 0-0 11. Bxg6 hxg6 12. Ne4 Nbd7 13. Neg5 Rae8 14. Nh4 Nh5 15. Nxg6 Nxf4 16. Nxe7+ Rxe7 17. Qg4 Nd5 18. Qh4 N7f6 19. Re5 Qb6 20. b3 Qb4 21. c4 Qc3 22. Rae1 Nb4 23. h3 Nd3 24. R5e3 Qc2 25. R1e2 Qd1+ 26. Kh2 Rd7 27. Nf3 Qb1 28. Nd2 Qd1 29. Nf3 Nb4 30. Rd2 Qc1 31. Re1 Qa3 32. Ne5 Rd6 33. c5 Rd5 34. Nc4 Qa6 35. a3 Rh5 36. Qg3 Nbd5 37. a4 b6 38. Ne5 Qa5 39. Ree2 Qa6 40. Nxc6 Qb7 41. Ne5 Rd8 42. c6 Qc8 43. Rc2 Qc7 44. Qf3 Rf5 45. Qd3 Nf4 46. Qe3 Nxe2 47. Rxe2 Nd5 48. Qg3 0-1

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.11"]
[Round "7.3"]
[White "Komarek, Tobias"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1222"]
[BlackElo "1346"]
[PlyCount "139"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Jundrov Jezdci U12"]
[BlackTeam "Trinec U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 e6 5. e3 d5 6. cxd5 exd5 7. d4 Bf5 8. Nge2 Be7 9. a3 0-0 10. 0-0 Qd7 11. dxc5 Bxc5 12. Nxd5 Nxd5 13. Qxd5 Qxd5 14. Bxd5 Rfd8 15. Bg2 Bd3 16. Re1 Bxe2 17. Rxe2 Rd1+ 18. Bf1 Rad8 19. b4 Bd6 20. Bb2 Be5 21. Bxe5 Nxe5 22. Rxd1 Rxd1 23. Kg2 Ra1 24. Rc2 g6 25. Rc7 Rxa3 26. Rxb7 Ra2 27. h3 Ra4 28. b5 g5 29. b6 axb6 30. Rxb6 Kg7 31. Rb5 f6 32. Rb6 Ra2 33. Ra6 Rd2 34. Ra7+ Kh6 35. Rc7 g4 36. h4 Kg6 37. Rc1 Nf3 38. Bb5 Rb2 39. Bd3+ Kf7 40. Bxh7 Kg7 41. Be4 Ne5 42. Rc7+ Kg8 43. Rc1 Kg7 44. h5 Rb4 45. Bf5 Nf3 46. Rc7+ Kg8 47. h6 Ng5 48. h7+ Nxh7 49. Bxh7+ Kh8 50. Bf5 Kg8 51. Be6+ Kh8 52. Rc8+ Kh7 53. Rc4 Rb6 54. Bxg4 Kg6 55. Bf3 Re6 56. Rg4+ Kh7 57. Be4+ Kh8 58. Rh4+ Kg7 59. Rh7+ Kf8 60. Bf5 Re5 61. g4 Rd5 62. Kg3 Re5 63. Kf3 Rc5 64. Rh6 Kf7 65. Rh7+ Kf8 66. Be6 Re5 67. Ba2 Ke8 68. Rf7 Ra5 69. Be6 Ra6 70. Rxf6 1-0

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.11"]
[Round "5.3"]
[White "Kotisa, Jan"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1378"]
[BlackElo "1346"]
[PlyCount "96"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Namest nad Oslavou U12"]
[BlackTeam "Trinec U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 Bf5 6. 0-0 e6 7. d3 Nbd7 8. Be3 c6 9. Bf4 h6 10. Re1 g5 11. Be5 Nxe5 12. Nxe5 Bd6 13. d4 Qc7 14. Bb3 0-0-0 15. Qe2 h5 16. a4 g4 17. Bc4 h4 18. Bd3 Bxd3 19. Qxd3 Rdg8 20. Rab1 g3 21. h3 gxf2+ 22. Kxf2 Rg3 23. Qe2 Rhg8 24. Rg1 Bxe5 25. Qxe5 Qxe5 26. dxe5 Nh5 27. Ne4 R3g7 28. Kf3 Ng3 29. Nf2 Nf5 30. c3 Rg3+ 31. Ke2 Rxg2 32. Rxg2 Rxg2 33. Rd1 Rg3 34. Rc1 Re3+ 35. Kd2 Rxe5 36. Re1 Rxe1 37. Kxe1 Kd7 38. Kd2 Kd6 39. Ne4+ Ke5 40. Ng5 f6 41. Nf7+ Kf4 42. Nd8 Kg3 43. Nxb7 Kxh3 44. Nc5 Kg4 45. Nd3 Kg3 46. b4 h3 47. b5 cxb5 48. axb5 h2 0-1

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.11"]
[Round "6.2"]
[White "Kroulik, Vaclav"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1405"]
[BlackElo "1346"]
[PlyCount "39"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Rychnov nad Kneznou U12"]
[BlackTeam "Trinec U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 d6 5. Nf3 Bf5 6. Bb2 Nbd7 7. Nbd2 g6 8. Nh4 e6 9. e4 Bxe4 10. Nxe4 Nxe4 11. Bxh8 Qxh4 12. Qe2 f5 13. dxe6 Ndf6 14. Bxf6 Qxf6 15. Rc1 Nc3 16. Qf3 Ne4 17. Bd3 Qb2 18. 0-0 Rd8 19. Bxe4 fxe4 20. Qf7# 1-0

[Event "CZE-chT U12"]
[Site "Jihlava"]
[Date "2022.06.10"]
[Round "2.3"]
[White "Sudrich, Radek1111"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1433"]
[BlackElo "1346"]
[PlyCount "60"]
[EventDate "2022.06.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]
[WhiteTeam "Stare Mesto U12"]
[BlackTeam "Trinec U12"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "CZE"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 c6 6. d4 Bf5 7. Bg5 e6 8. Bxf6 gxf6 9. Nh4 Bg6 10. Nxg6 hxg6 11. a3 Qc7 12. h3 Nd7 13. Bf3 0-0-0 14. 0-0 f5 15. Ne2 Bg7 16. c3 Nb6 17. Qb3 g5 18. Ng3 Rh6 19. Nh5 Rg8 20. g4 fxg4 21. hxg4 f5 22. gxf5 Nd5 23. fxe6 Bf6 24. Bg4 Kb8 25. Rae1 Rgh8 26. Ng3 Rh1+ 27. Kg2 R8h2+ 28. Kf3 Qf4+ 29. Ke2 Qxg4+ 30. Kd2 Rxf1 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.22"]
[Round "9.7"]
[White "Boff, Ondrej"]
[Black "Janouskova, Eliska"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1223"]
[BlackElo "1130"]
[PlyCount "64"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c4 e5 4. Nc3 Nf6 5. d3 h6 6. Be3 d6 7. Be2 Nd4 8. Nd5 Nxd5 9. cxd5 Nxe2 10. Qxe2 Bg4 11. h3 Bh5 12. 0-0 Be7 13. Rac1 0-0 14. g4 Bg6 15. Kh2 b5 16. Rg1 a5 17. Kg3 Rb8 18. h4 h5 19. g5 b4 20. Nd2 f6 21. Nf3 f5 22. exf5 Bxf5 23. Nd2 Qd7 24. f3 Qb7 25. Nc4 Ra8 26. Rcd1 Ra6 27. f4 Bg4 28. Qg2 Bxd1 29. Rxd1 Qd7 30. Kf3 Qf5 31. Qg3 exf4 32. Qxf4 Qg4+ 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.21"]
[Round "8.6"]
[White "Sunea, Sara Maria"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1301"]
[BlackElo "1223"]
[PlyCount "73"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 Nf6 5. Bd2 c6 6. Ne4 Qc7 7. Nxf6+ gxf6 8. Qe2 Bf5 9. Bc3 Nd7 10. h3 Bh6 11. Bd2 Bxd2+ 12. Qxd2 0-0-0 13. 0-0-0 Nb6 14. Qa5 Kb8 15. Qxf5 Rd5 16. Qf3 Ka8 17. Qg3 Qc8 18. Nf3 Ra5 19. a3 Qe6 20. Kb1 Rd8 21. Re1 Qd7 22. Qg7 Qd6 23. Qxf7 Nd5 24. c4 Nc3+ 25. Kc2 e5 26. Kxc3 b5 27. cxb5 Rxb5 28. Kc2 Rdb8 29. Rb1 Qc5+ 30. Qc4 Qxf2+ 31. Kd1 Rc5 32. Qa4 e4 33. Nd2 e3 34. Ne4 Qh4 35. Nxc5 Qh5+ 36. Be2 Qxc5 37. Rc1 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.20"]
[Round "7.7"]
[White "Boff, Ondrej"]
[Black "Komarek, Tobias"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1223"]
[BlackElo "1198"]
[PlyCount "150"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. c3 0-0 6. Be3 Bb6 7. Nbd2 Nc6 8. Nf1 Be6 9. Bb3 d5 10. Ng3 Qd7 11. 0-0 dxe4 12. dxe4 Qxd1 13. Raxd1 Bxb3 14. axb3 Bxe3 15. fxe3 Rad8 16. b4 a6 17. h3 Rfe8 18. Kf2 Kf8 19. Ke2 Rxd1 20. Rxd1 g6 21. Rd2 Ke7 22. Kd1 Rd8 23. Rxd8 Kxd8 24. Kc2 h6 25. Kb3 b5 26. Kc2 Ne8 27. Kd3 Nd6 28. b3 Kd7 29. Nh2 h5 30. Nf3 f6 31. Nh4 Ne7 32. Nf3 Ke6 33. Nh1 Nxe4 34. Kxe4 f5+ 35. Kd3 e4+ 36. Ke2 exf3+ 37. gxf3 Nd5 38. Kd3 h4 39. Nf2 Ke5 40. Kd2 c6 41. Nd3+ Kd6 42. Nf4 Nxf4 43. exf4 c5 44. Kd3 Kd5 45. bxc5 Kxc5 46. b4+ Kd5 47. Kd2 Kc6 48. Kc2 Kb6 49. Kb3 Kc7 50. Kb2 Kd6 51. Kc2 Ke6 52. Kd3 Kd5 53. Kd2 Ke6 54. Ke3 Kf6 55. Kd4 g5 56. fxg5+ Kxg5 57. Ke5 f4 58. Ke4 Kf6 59. Kxf4 Ke6 60. Kg5 Kd5 61. f4 Kc4 62. f5 Kxc3 63. f6 Kxb4 64. f7 a5 65. f8Q+ Ka4 66. Qf1 b4 67. Kf4 b3 68. Ke4 Ka3 69. Qa1+ Kb4 70. Kd4 a4 71. Kd3 a3 72. Kd4 Ka4 73. Kc4 b2 74. Qa2 b1Q 75. Qxb1 a2 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.19"]
[Round "6.10"]
[White "Madel, Luca"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "1223"]
[PlyCount "92"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. c3 Bg4 5. Nbd2 e6 6. Bd3 Nc6 7. 0-0 Bd6 8. Be2 0-0 9. Qc2 Rc8 10. Qd1 Ne4 11. Nxe4 dxe4 12. Nd2 Bxe2 13. Qxe2 f5 14. f3 exf3 15. Rxf3 Rf6 16. Rh3 Rg6 17. Qh5 Rh6 18. Qf3 Rxh3 19. Qxh3 Qg5 20. Nf3 Qg4 21. Qxg4 fxg4 22. Nd2 cxd4 23. exd4 g3 24. h3 e5 25. dxe5 Bc5+ 26. Kh1 Rf8 27. b4 Be3 28. Nf3 Bxc1 29. Rxc1 b5 30. Re1 h6 31. Nd4 Nxe5 32. Nxb5 Rf2 33. a3 Nd3 34. Rd1 Nf4 35. Rg1 Nxh3 36. Re1 Nf4 37. Rg1 h5 38. Nd4 h4 39. Nf3 Nxg2 40. Rxg2 Rxf3 41. Rc2 h3 42. Rc1 Kf7 43. Kg1 g5 44. c4 g2 45. c5 g4 46. Kh2 Rf1 0-1

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.18"]
[Round "5.11"]
[White "Boff, Ondrej"]
[Black "Hujova, Tess"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1223"]
[PlyCount "61"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. c3 0-0 6. a4 a6 7. b4 Ba7 8. Be3 Bxe3 9. fxe3 d6 10. Nbd2 Be6 11. Bxe6 fxe6 12. 0-0 Ng4 13. Qe2 Qf6 14. h3 Nh6 15. Nh2 Qg6 16. Ng4 d5 17. Nxh6+ Qxh6 18. Rxf8+ Rxf8 19. b5 axb5 20. axb5 Ne7 21. Ra7 Rb8 22. c4 c5 23. Nb3 Nc8 24. Ra2 dxc4 25. Nxc5 cxd3 26. Qxd3 b6 27. Qd8+ Kf7 28. Qd7+ Ne7 29. Rf2+ Kg8 30. Qxe7 bxc5 31. Qf7+ 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.17"]
[Round "4.12"]
[White "Boff, Ondrej"]
[Black "Surakka, Leevi"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1223"]
[PlyCount "127"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 Qc7 9. Rc1 d6 10. f3 Bd7 11. 0-0 Rac8 12. Qd2 Rfe8 13. Rfd1 Ne5 14. b3 a6 15. Kh1 h5 16. Bh6 Kh7 17. Bxg7 Kxg7 18. Nd5 Nxd5 19. cxd5 Qb6 20. h3 f6 21. f4 Nf7 22. Nf3 Rxc1 23. Rxc1 Rc8 24. Rxc8 Bxc8 25. Qd4 Qxd4 26. Nxd4 Bd7 27. a4 Kf8 28. Kg1 Ke8 29. Kf2 Kd8 30. Ke3 Kc7 31. Kd2 Nd8 32. f5 gxf5 33. exf5 h4 34. Bd3 Nf7 35. Nf3 Ne5 36. Nxh4 Nxd3 37. Kxd3 Kb6 38. Kc4 Ka5 39. Ng6 Bxa4 40. b4+ Kb6 41. h4 Bb5+ 42. Kb3 Be2 43. Nxe7 Kc7 44. Ng8 Bg4 45. Nxf6 Bxf5 46. h5 b6 47. h6 a5 48. h7 Bxh7 49. Nxh7 axb4 50. Nf6 Kd8 51. Kxb4 Ke7 52. Kb5 Kxf6 53. Kxb6 Ke5 54. Kc6 Kf4 55. Kxd6 Kg3 56. Ke5 Kxg2 57. d6 Kf2 58. d7 Ke2 59. d8Q Ke1 60. Qd3 Kf2 61. Kf4 Kg1 62. Qe2 Kh1 63. Kg3 Kg1 64. Qg2# 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.16"]
[Round "3.11"]
[White "Bara, Jan"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1449"]
[BlackElo "1223"]
[PlyCount "55"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nc3 a6 5. cxb5 axb5 6. Nxb5 Ba6 7. Nc3 g6 8. g3 Bg7 9. Bg2 d6 10. Nf3 0-0 11. 0-0 e6 12. dxe6 fxe6 13. Ng5 Ra7 14. Nxe6 Qe7 15. Nxf8 Qxf8 16. Bg5 Qe7 17. Nd5 Qe6 18. Nxf6+ Bxf6 19. Bd5 Re7 20. Bxe6+ Rxe6 21. Bxf6 Rxf6 22. Qb3+ Bc4 23. Qxc4+ Kg7 24. b4 Nd7 25. bxc5 Nxc5 26. Qd4 Kf7 27. Qxf6+ Kxf6 28. a4 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.15"]
[Round "2.10"]
[White "Barteckova, Nikol"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1223"]
[PlyCount "65"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Bg2 c6 10. h4 Bb4 11. Bd2 Bxc3 12. Bxc3 Qc7 13. h5 Be4 14. Bxe4 Nxe4 15. Qf3 Nxc3 16. Qxc3 Nd7 17. Qe3 Nxe5 18. Qxe5 Qxe5+ 19. dxe5 0-0-0 20. Rd1 Rxd1+ 21. Kxd1 Rd8+ 22. Kc1 Rd4 23. f3 h6 24. Rd1 Rd5 25. f4 g6 26. Rxd5 cxd5 27. Kd2 Kd7 28. Kd3 Kc6 29. b4 Kb5 30. c3 a5 31. bxa5 Kxa5 32. g5 hxg5 33. h6 1-0

[Event "EU Union-ch U10"]
[Site "Kouty nad Desnou"]
[Date "2021.08.14"]
[Round "1.1"]
[White "Boff, Ondrej"]
[Black "Popzafirov, Danail"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1223"]
[BlackElo "1851"]
[PlyCount "28"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. Be3 d5 7. Bd3 e5 8. Nb3 dxe4 9. fxe4 Ng4 10. Bd2 a5 11. a4 Be6 12. Nc3 h5 13. h3 Qh4+ 14. Ke2 Qf2# 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "12"]
[White "Boff, Ondrej"]
[Black "Cenek, Matyas"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "59"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nf6 4. d3 Ng4 5. 0-0 d6 6. c3 Nc6 7. a4 Bd7 8. h3 Nf6 9. b4 Bb6 10. a5 d5 11. exd5 Nxd5 12. Bxd5 Qf6 13. Bxc6 Bxc6 14. axb6 Bd7 15. Bg5 Qg6 16. Rxa7 Rb8 17. bxc7 Rc8 18. Rxb7 h6 19. Rb8 hxg5 20. Rxc8+ Bxc8 21. Qe2 g4 22. Qxe5+ Be6 23. c8Q+ Ke7 24. Qcc7+ Ke8 25. Qb5+ Bd7 26. Qbe5+ Be6 27. Qc8+ Ke7 28. Qxh8 gxh3 29. Qc5+ Kf6 30. Qd8# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "3"]
[White "Boff, Ondrej"]
[Black "Fadrny, Jonas"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "97"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 h6 5. c3 Bc5 6. 0-0 0-0 7. a4 Qe7 8. Qe2 d6 9. b4 Bb6 10. a5 Bd4 11. cxd4 exd4 12. Bb2 Bg4 13. h3 Bxf3 14. Qxf3 Rad8 15. Nd2 Nxb4 16. Bxd4 Nc2 17. Ra2 Nxd4 18. Qe3 Nc6 19. Rb2 b6 20. axb6 axb6 21. Bb5 Qd7 22. Rc1 Qe6 23. Bxc6 Qe5 24. Rbc2 g5 25. d4 Qe7 26. e5 dxe5 27. Qxe5 Qxe5 28. dxe5 Nd7 29. Bxd7 Rxd7 30. Ne4 f5 31. Nf6+ Kf7 32. Nxd7 Rd8 33. Rxc7 Ke6 34. R1c6+ Kd5 35. Nf6+ Kd4 36. Rd7+ Rxd7 37. Nxd7 Kd5 38. Rxh6 b5 39. e6 Kd6 40. Nb6 b4 41. Kf1 b3 42. Ke2 b2 43. Nc4+ Ke7 44. Nxb2 f4 45. Kd3 Ke8 46. Ke4 Ke7 47. Kd5 Ke8 48. Kd6 Kd8 49. Rh8# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "10"]
[White "Boff, Ondrej"]
[Black "Kijonka, Ondrej"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "1518"]
[PlyCount "68"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ne7 4. e5 Nf5 5. Nf3 c5 6. Bf4 Qb6 7. Be3 Nxe3 8. fxe3 Nc6 9. Bd3 c4 10. Be2 Qxb2 11. Na4 Qb4+ 12. Kf1 Qxa4 13. Qd2 Bb4 14. Qd1 Bc3 15. Rb1 Qxa2 16. Kf2 Qa5 17. Qc1 Bb4 18. Qb2 c3 19. Qb3 Qa3 20. Qxa3 Bxa3 21. Bb5 Bd7 22. Bd3 Nb4 23. Ke2 Nxd3 24. Kxd3 Bb2 25. Rxb2 cxb2 26. Rb1 Bb5+ 27. Kd2 Rc8 28. Rxb2 Ba6 29. h4 0-0 30. g4 Rc6 31. g5 Rb6 32. Ra2 Rc8 33. h5 Rbc6 34. Rb2 b5 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "8"]
[White "Boff, Ondrej"]
[Black "Novotny, David"]
[Result "0-1"]
[ECO "B38"]
[BlackElo "1985"]
[PlyCount "62"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 g6 7. Nc3 Bg7 8. Be3 0-0 9. Be2 Nc6 10. 0-0 Bd7 11. Qd2 Rc8 12. b3 e6 13. Rac1 Qe7 14. Rfd1 Rfd8 15. Kh1 Be8 16. Bf2 d5 17. exd5 exd5 18. Nxc6 bxc6 19. cxd5 cxd5 20. Bd4 a5 21. Bb6 Rd6 22. Bxa5 Ra6 23. Nxd5 Nxd5 24. Qxd5 Rxc1 25. Rxc1 Qxe2 26. h3 h5 27. Qg5 Qf2 28. Qc5 Qxc5 29. Rxc5 Re6 30. Rc1 Re2 31. a4 Bd4 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "6"]
[White "Boff, Ondrej"]
[Black "Richterova, Natasa1111"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1239"]
[PlyCount "100"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be3 Nf6 7. h3 Bh5 8. g4 Bg6 9. Bg2 e6 10. Ne5 Nbd7 11. Nf3 Qc7 12. Qd2 Bd6 13. 0-0-0 0-0-0 14. Rhe1 a6 15. Ng5 h6 16. Nf3 Qa5 17. Kb1 Bb4 18. Bf4 Bxc3 19. Qxc3 Qxc3 20. bxc3 Nd5 21. Bd2 N7b6 22. Kb2 Nc4+ 23. Kb3 Ndb6 24. Ne5 Nxe5 25. dxe5 f6 26. exf6 gxf6 27. Rxe6 Rhf8 28. h4 Bh7 29. Ree1 Bg8+ 30. Kb2 Nc4+ 31. Kc1 Nxd2 32. Rxd2 Rd7 33. Rxd7 Kxd7 34. Kb2 Kc7 35. a4 Rd8 36. Bf3 Rd2 37. Re2 Rd6 38. Re3 Bc4 39. Re7+ Kb6 40. Rh7 Rd2 41. Rxh6 Rxf2 42. Rxf6 Rh2 43. Rf4 Be6 44. Be2 Rxe2 45. Rf6 Bxg4 46. Rg6 Bf5 47. Rg5 Bxc2 48. h5 Bg6+ 49. Kb3 Bf7+ 50. Ka3 Bc4 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "5"]
[White "Boff, Ondrej"]
[Black "Vana, Jan1111"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "1370"]
[PlyCount "66"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. c4 Nf6 6. Nc3 Bb4 7. Be3 Nxe4 8. Qc2 Qa5 9. Bd2 Nxc3 10. Bxc3 Nxd4 11. Qd3 Bxc3+ 12. bxc3 Qe5+ 13. Kd1 Nc6 14. Be2 d5 15. cxd5 Qxd5 16. Qxd5 exd5 17. Kc2 Bf5+ 18. Kb3 Be6 19. Rad1 d4+ 20. Kb2 dxc3+ 21. Kxc3 0-0 22. a4 Rfd8 23. Bb5 Rac8 24. Rhe1 a6 25. Bd3 Ne5+ 26. Kb2 Rxd3 27. Rxd3 Nxd3+ 28. Ka1 Nxe1 29. Kb1 Rc2 30. Ka1 Ba2 31. a5 Nd3 32. f4 Nc5 33. g3 Nb3# 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "9"]
[White "Dominikova, Denisa"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1192"]
[PlyCount "68"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Ne4 Qc7 7. Bd3 Nxe4 8. Bxe4 Be6 9. Nf3 Bg4 10. h3 Bh5 11. g4 Bg6 12. Bxg6 hxg6 13. Qe2 e6 14. 0-0-0 Bd6 15. g5 Nd7 16. Bc3 0-0-0 17. Qd2 Rhe8 18. h4 Kb8 19. Bb4 Bf4 20. Ne5 Bxd2+ 21. Rxd2 Nxe5 22. dxe5 Rxd2 23. Bxd2 Qxe5 24. Re1 Qf5 25. b3 Rd8 26. Be3 Qg4 27. a4 Qxh4 28. f3 Qxe1+ 29. Kb2 Qxe3 30. Ka3 Qc1+ 31. Kb4 Qxc2 32. a5 Rd4+ 33. Ka3 Qc1+ 34. Ka2 Rd2# 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "4"]
[White "Linhart, Jaroslav"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1764"]
[PlyCount "49"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nf3 Bg4 5. Be2 Nc6 6. 0-0 Bxf3 7. Bxf3 Qxd4 8. Bxc6+ bxc6 9. Qxd4 Nd5 10. Qc4 Kd7 11. Nc3 Nxc3 12. Qxc3 e6 13. Bf4 Rg8 14. Rad1+ Bd6 15. Qc5 Rad8 16. Bxd6 cxd6 17. Qxd6+ Kc8 18. Qxc6+ Kb8 19. Rd7 Rxd7 20. Qxd7 Rc8 21. Rd1 Rc7 22. Qb5+ Rb7 23. Rd8+ Kc7 24. Rd7+ Kc8 25. Qxb7# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "1"]
[White "Micanek, Tomas"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2101"]
[PlyCount "41"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Qf3 Nc6 6. Bb5 Bd7 7. Nge2 a6 8. Ba4 b5 9. Bb3 e6 10. 0-0 Bc5 11. d4 Bb6 12. Bg5 Rg8 13. Bxf6 gxf6 14. Qxf6 Qb4 15. d5 exd5 16. Nxd5 Qc5 17. Nxb6 cxb6 18. Bxf7+ Kf8 19. Be6+ Ke8 20. Qf7+ Kd8 21. Qxd7# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "11"]
[White "Padevet, Pavel"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1908"]
[PlyCount "73"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 Bg4 5. Be2 e6 6. 0-0 Nc6 7. c4 Qd6 8. Be3 0-0-0 9. c5 Qd5 10. Nc3 Qd6 11. cxd6 Rxd6 12. h3 Bh5 13. Qa4 Kb8 14. Ne5 Bxe2 15. Nxe2 Be7 16. Nxf7 Rf8 17. Nxd6 cxd6 18. Nf4 Ne4 19. Nxe6 Rf6 20. Ng5 h6 21. Nxe4 Re6 22. Nc3 Kc8 23. d5 Re5 24. dxc6 bxc6 25. Qxc6+ Kd8 26. Bxa7 Bg5 27. Qxd6+ Ke8 28. Qxe5+ Kf8 29. Bc5+ Kg8 30. Qe6+ Kh8 31. Ne4 Kh7 32. Nxg5+ hxg5 33. Qf7 Kh6 34. Bd4 g4 35. Qxg7+ Kh5 36. hxg4+ Kh4 37. Bf6# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "2"]
[White "Rakintsev, Serhiy"]
[Black "Boff, Ondrej"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1739"]
[PlyCount "49"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 Qxb4 5. Rb1 Qa5 6. Rb5 Qa6 7. Nf3 Qf6 8. d4 Bg4 9. Be2 Qc6 10. Qd3 a6 11. Rc5 Qd6 12. Ne4 Qd7 13. Rg5 Nc6 14. d5 Nb4 15. Qc4 a5 16. Nc5 Qd6 17. Bf4 Qd8 18. Nxb7 Qb8 19. Qb5+ c6 20. dxc6 Ra7 21. Bxb8 Ra8 22. c7+ Bd7 23. Qc4 Ra6 24. c8Q+ Bxc8 25. Qxc8# 1-0

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "7"]
[White "Trejbal, Jindrich1111"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1926"]
[PlyCount "25"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 Bg4 6. Bf4 Nc6 7. h3 Bh5 8. g4 Bg6 9. Nh4 0-0-0 10. Nxg6 hxg6 11. Qd2 Rxd4 12. Qe3 Nd5 13. Qf3 0-1

[Event "CZE-ch Betsys Online Blitz"]
[Site "Chess.com INT"]
[Date "2021.04.17"]
[Round "13"]
[White "Vnoucek, Martin"]
[Black "Boff, Ondrej"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1441"]
[PlyCount "106"]
[EventDate "2021.04.17"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "CZE"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. e3 g6 4. d4 d6 5. Nc3 Bg7 6. Bd3 b6 7. 0-0 Bb7 8. Qe2 Nbd7 9. b3 0-0 10. Bb2 Qc7 11. Rac1 Rfe8 12. Nb5 Qc8 13. Rfd1 a6 14. Nc3 Qc7 15. dxc5 bxc5 16. Bb1 Rad8 17. e4 e5 18. Nd5 Bxd5 19. exd5 Qb6 20. Qe3 Qb4 21. a3 Qb6 22. Nd2 Ng4 23. Qg3 Ndf6 24. h3 Nh6 25. Ne4 Nxe4 26. Bxe4 a5 27. f4 exf4 28. Qh4 Bxb2 29. Qxh6 Bxc1 30. Rxc1 Qxb3 31. Bf3 Qxa3 32. Rf1 Qe3+ 33. Kh1 a4 34. Bd1 a3 35. Qxf4 Qxf4 36. Rxf4 Re1+ 37. Kh2 Rxd1 38. Rf2 Ra1 39. h4 a2 40. Kg3 Re8 41. Rb2 Re3+ 42. Kf4 Ra3 43. Kg5 Kg7 44. g4 Rg1 45. h5 a1Q 46. h6+ Kf8 47. Rb8+ Ke7 48. Rb7+ Kd8 49. Rb8+ Kc7 50. Rf8 f6+ 51. Kh4 Qb2 52. Rf7+ Kd8 53. Rxh7 Qh2# 0-1

