[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "1.16"]
[White "Koper, Zbigniew"]
[Black "Grochowski, Mariusz"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "1744"]
[PlyCount "79"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. e4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. d3 Bg4 8. h3 Bxf3 9. Bxf3 Nd4 10. Bg2 Nd7 11. Nc3 0-0 12. Be3 a6 13. a4 e6 14. f4 f5 15. g4 Nc6 16. Qe1 Bd4 17. g5 Bxe3+ 18. Qxe3 Nd4 19. Qf2 Rb8 20. h4 fxe4 21. Bxe4 Ne5 22. Qg2 Nec6 23. Qg4 Qe7 24. Rf2 Nf5 25. Re1 Qd7 26. h5 Ncd4 27. hxg6 hxg6 28. Rh2 Kg7 29. Bxf5 Nxf5 30. Ne4 Rh8 31. Rxh8 Rxh8 32. b3 Qc6 33. Qg2 Rh4 34. Qb2+ Nd4 35. Rf1 Qe8 36. Rf2 Qh8 37. Ng3 Rg4 38. Kg2 Qh4 39. Rf3 Kg8 40. b4 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "2.16"]
[White "Milczarek, Robert"]
[Black "Koper, Zbigniew"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1703"]
[PlyCount "63"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 e6 4. Nf3 h6 5. e3 Bb4 6. Bd3 b6 7. 0-0 Bd6 8. e4 Be7 9. e5 Nh5 10. Ne4 d6 11. Nxd6+ Bxd6 12. exd6 Qxd6 13. Qe2 Nf6 14. Rd1 Nbd7 15. b3 Bb7 16. Bb2 0-0-0 17. a4 a5 18. Ne5 Qe7 19. b4 Nxe5 20. dxe5 Nd7 21. bxa5 bxa5 22. Be4 f5 23. Ba3 Qf7 24. Bf3 h5 25. Rab1 g5 26. Qb2 Nb8 27. Bd6 g4 28. Be2 Rd7 29. Qb6 Qe8 30. Qa7 Na6 31. Qxa6 Qd8 32. Qa8+ 1-0

