[Event "Bohumin op-B 6th"]
[Site "Bohumin"]
[Date "2023.07.06"]
[Round "6"]
[White "Kraus, Frantisek"]
[Black "Sieber, Bohumil"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "1854"]
[BlackElo "1465"]
[PlyCount "58"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qb6 7. Qe2+ Be7 8. dxc5 Qxc5 9. Nb3 Qd6 10. Qe5 Nf6 11. Qxd6 Bxd6 12. 0-0 0-0 13. Rd1 a6 14. Bxc6 bxc6 15. Be3 Bg4 16. Bc5 Rfd8 17. Bxd6 Rxd6 18. Rd3 Re8 19. Re1 Rde6 20. Rxe6 Rxe6 21. Nbd4 Rd6 22. b4 Bxf3 23. Rxf3 Nd7 24. Rc3 Nb8 25. a4 g6 26. b5 axb5 27. axb5 Kg7 28. bxc6 Nxc6 29. Rxc6 Kf8 1-0

[Event "Jastrzebie Zdroj op"]
[Site "Jastrzebie Zdroj"]
[Date "2018.08.18"]
[Round "1"]
[White "Poley, Vladimir"]
[Black "Sieber, Bohumil"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2257"]
[BlackElo "1507"]
[PlyCount "85"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nc6 3. Bb2 f6 4. d4 Bg4 5. h3 Bxf3 6. exf3 a6 7. f4 e6 8. g3 Bd6 9. Bg2 Nge7 10. 0-0 0-0 11. Qe2 Qd7 12. Re1 Nd8 13. c4 c6 14. Nc3 b6 15. c5 bxc5 16. Na4 Nc8 17. Nxc5 Bxc5 18. dxc5 Qb7 19. Rad1 Qb5 20. Qc2 Ra7 21. Rd4 Ne7 22. Ra4 Qb8 23. Bf1 Qc8 24. Bc3 Nb7 25. Rxa6 Rxa6 26. Bxa6 Qa8 27. Bxb7 Qxb7 28. Qe2 Rf7 29. Qxe6 Ng6 30. Qd6 Qd7 31. Re6 Qxd6 32. Rxd6 Rc7 33. a4 Kf7 34. Ba5 Rc8 35. Rd7+ Ne7 36. Bd8 Ke8 37. Rxe7+ Kxd8 38. Rxg7 Rc7 39. Rg8+ Kd7 40. f5 Rb7 41. a5 Rxb3 42. a6 Ra3 43. a7 1-0

