[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.11"]
[Round "9"]
[White "Sobek, Lukas"]
[Black "Kotas, Marian"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1283"]
[PlyCount "54"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d6 3. c4 g6 4. Bg5 Bg7 5. Nc3 0-0 6. e3 Nbd7 7. Be2 e5 8. 0-0 a6 9. Qa4 c6 10. Rfd1 Qc7 11. Rac1 Nb6 12. Qa5 exd4 13. exd4 Be6 14. c5 dxc5 15. dxc5 Nbd5 16. Qa3 Nxc3 17. Qxc3 Ne4 18. Qe3 Bd5 19. b3 Rfe8 20. Qf4 Qa5 21. Bc4 Bxc4 22. Rxc4 Nc3 23. Rd2 Ne2+ 24. Rxe2 Rxe2 25. h3 Qxa2 26. Nd4 Be5 27. Qf3 Re1# 0-1

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.10"]
[Round "8"]
[White "Boff, Vojtech"]
[Black "Sobek, Lukas"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "1340"]
[PlyCount "35"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 0-0 7. 0-0 b6 8. Bd3 Bb7 9. h3 Re8 10. Re1 e5 11. Be3 exd4 12. Bxd4 c5 13. Bxf6 Nxf6 14. Rb1 Qd7 15. Nd5 Nxd5 16. exd5 Re7 17. Qd2 Rae8 18. Rxe7 1/2-1/2

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.09"]
[Round "7"]
[White "Sobek, Lukas"]
[Black "Sikorova, Jana"]
[Result "0-1"]
[ECO "D52"]
[BlackElo "1243"]
[PlyCount "110"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Bd6 7. Be2 0-0 8. 0-0 Re8 9. Re1 Qc7 10. Rc1 e5 11. dxe5 Bxe5 12. cxd5 Bxc3 13. Rxc3 Ne4 14. Rc1 Nxg5 15. Nxg5 Qe5 16. dxc6 bxc6 17. Nf3 Qxb2 18. Qa4 c5 19. Bb5 Nb6 20. Qa5 Rd8 21. Bc6 Rb8 22. Qxa7 Bd7 23. Rb1 Qf6 24. Rxb6 Rxb6 25. Qxb6 Bxc6 26. Qxc5 Bxf3 27. gxf3 Qxf3 28. Qc4 h6 29. Qc2 Rd6 30. a4 Rg6+ 31. Kf1 Rg2 32. Re2 Rxh2 33. Ke1 Rh1+ 34. Kd2 Qd5+ 35. Qd3 Qxd3+ 36. Kxd3 Ra1 37. a5 Rxa5 38. Ke4 g5 39. Kf3 h5 40. Re1 Kg7 41. Kg3 Kg6 42. f3 Ra2 43. Rf1 f6 44. e4 h4+ 45. Kg4 Rg2+ 46. Kh3 Rg3+ 47. Kh2 Kf7 48. f4 g4 49. Rg1 Rxg1 50. Kxg1 h3 51. Kh2 Ke6 52. Kg3 Kd6 53. Kh2 Kc5 54. e5 fxe5 55. fxe5 Kd5 0-1

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.08"]
[Round "6"]
[White "Raptis, Janis"]
[Black "Sobek, Lukas"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1643"]
[PlyCount "59"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. b3 g6 4. Bb2 Bg7 5. g3 0-0 6. Bg2 c6 7. 0-0 Bf5 8. c4 Nbd7 9. Nbd2 Qc8 10. Nh4 Nb6 11. Nxf5 Qxf5 12. e4 Qd7 13. c5 Nc8 14. Qc2 d5 15. exd5 Nxd5 16. Nc4 b5 17. Ne5 Qc7 18. Bxd5 cxd5 19. Qe2 a6 20. Bc1 e6 21. Bf4 Qb7 22. c6 Qb6 23. Nd7 Qxc6 24. Nxf8 Bxf8 25. Rac1 Qb6 26. Be5 Ba3 27. Rc7 Nd6 28. Qc2 Rf8 29. Rc6 Qd8 30. Rxa6 1-0

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.07"]
[Round "5"]
[White "Sobek, Lukas"]
[Black "Figa, Karolina"]
[Result "1-0"]
[ECO "A05"]
[BlackElo "1243"]
[PlyCount "107"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 g6 3. c3 Bg7 4. g3 d6 5. Bg2 0-0 6. 0-0 e5 7. e4 Nh5 8. Be3 f5 9. exf5 Bxf5 10. Ne1 Qc8 11. Qb3+ Be6 12. Qxb7 Nd7 13. Qxa8 Qxa8 14. Bxa8 Rxa8 15. Nd2 a6 16. Nef3 Bf5 17. d4 e4 18. Ng5 d5 19. f3 exf3 20. Ngxf3 Nhf6 21. Rae1 Bd3 22. Rf2 Ng4 23. Rg2 Rf8 24. Bf4 c6 25. h3 Nh6 26. Ne5 Nxe5 27. dxe5 Re8 28. Re3 Bb5 29. g4 Nf7 30. e6 Nd8 31. e7 Nf7 32. g5 d4 33. Re6 dxc3 34. bxc3 Bxc3 35. Ne4 Bd4+ 36. Kh2 Bc4 37. Nf6+ Bxf6 38. Rxf6 Rxe7 39. Rxc6 Bd5 40. Rc8+ Kg7 41. Rb2 Ne5 42. Bxe5+ Rxe5 43. Rc7+ Bf7 44. Rbb7 Rf5 45. Ra7 Kf8 46. Ra8+ Kg7 47. Rxa6 Rxg5 48. a4 Rf5 49. a5 h5 50. Ra8 Kf6 51. a6 Kg5 52. Rf8 Bd5 53. Rxf5+ Kxf5 54. Rc8 1-0

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.06"]
[Round "4"]
[White "Czerwinska, Oliwia"]
[Black "Sobek, Lukas"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1473"]
[PlyCount "87"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nbd7 7. Be3 b6 8. Bd3 Bb7 9. Qd2 e6 10. Bh6 c5 11. Bxg7 Kxg7 12. Rfe1 cxd4 13. Nxd4 Ne5 14. Rad1 Qe7 15. Qe2 Rac8 16. Nf3 Rc5 17. Nxe5 Rxe5 18. Qd2 Rc8 19. f4 Rh5 20. Be2 Rh6 21. Qxd6 Qxd6 22. Rxd6 Nxe4 23. Nxe4 Bxe4 24. Ba6 Rxc2 25. Rxe4 Rxb2 26. a4 Rb1+ 27. Bf1 Rh5 28. Rd7 Kf6 29. Rxa7 Rc5 30. Re2 Rcc1 31. Rf2 h5 32. g3 Rc5 33. Kg2 Ra5 34. Rxa5 bxa5 35. Rc2 Rb4 36. Bb5 g5 37. fxg5+ Kxg5 38. Rc5+ f5 39. h4+ Kf6 40. Bc6 Ke7 41. Rxa5 Kd6 42. Bf3 e5 43. Bxh5 e4 44. Rxf5 1-0

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.05"]
[Round "3"]
[White "Sobek, Lukas"]
[Black "Sebesta, Jan2222"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "1723"]
[PlyCount "48"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Bg5 c5 7. c3 Nc6 8. Nbd2 h6 9. Bxf6 exf6 10. e4 Be6 11. Re1 Qc7 12. Qc2 f5 13. Re2 Rfd8 14. Rae1 d4 15. c4 b5 16. a3 bxc4 17. Nxc4 Rab8 18. Nfd2 Ne7 19. f4 fxe4 20. Rxe4 Nf5 21. g4 Ne3 22. Nxe3 dxe3 23. R1xe3 Bd4 24. Rxd4 Rxd4 0-1

[Event "Bohumin op 4th"]
[Site "Bohumin"]
[Date "2021.07.04"]
[Round "2"]
[White "Pilch, Roman"]
[Black "Sobek, Lukas"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2131"]
[PlyCount "103"]
[EventDate "2021.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Bg4 5. e4 Nf6 6. Be2 c6 7. Be3 Nbd7 8. h3 Bxf3 9. Bxf3 0-0 10. Qd2 e5 11. dxe5 Nxe5 12. Be2 Qe7 13. Rd1 Rfd8 14. f4 Ned7 15. Qxd6 Qe8 16. e5 Nb6 17. Qa3 Nfd7 18. Qb3 Qe7 19. 0-0 Nc5 20. Qa3 Nbd7 21. Ne4 Bf8 22. Nxc5 Nxc5 23. Kh2 b6 24. Bf3 Qe6 25. Qc3 Rab8 26. b4 Nd7 27. Rd2 Bg7 28. Rfd1 Qe7 29. Kh1 c5 30. b5 Nf8 31. Rxd8 Rxd8 32. Rxd8 Qxd8 33. Qd2 Qe7 34. Qd5 Ne6 35. Bg4 h5 36. Bxe6 Qxe6 37. Qxe6 fxe6 38. g3 Kf7 39. Kg2 Bf8 40. Kf3 Be7 41. Ke4 Bd8 42. Bf2 Be7 43. g4 hxg4 44. hxg4 Bd8 45. Kf3 Be7 46. Kg2 Bd8 47. Kh3 Be7 48. a4 Bd8 49. Bh4 Bxh4 50. Kxh4 Kg7 51. Kg5 Kf7 52. Kh6 1-0

