[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.02.05"]
[Round "9.11"]
[White "Sewera, Wiktor"]
[Black "Stepien, Pawel"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1452"]
[PlyCount "56"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. d3 Bc5 6. c3 d6 7. Nbd2 a6 8. h3 0-0 9. Re1 Be6 10. Bxe6 fxe6 11. Nf1 Nh5 12. Be3 Nf4 13. Bxc5 dxc5 14. Re3 Qf6 15. Ng3 Rad8 16. Qc2 Rd7 17. Rd1 Qd8 18. Rd2 Rdf7 19. Qd1 b6 20. d4 cxd4 21. cxd4 exd4 22. Nxd4 Nxd4 23. Rxd4 Qg5 24. Rd7 Nxh3+ 25. gxh3 Rxf2 26. Red3 Rxb2 27. Rd8 Qc5+ 28. R3d4 Rxd8 0-1

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.02.05"]
[Round "10.11"]
[White "Stepien, Pawel"]
[Black "Sewera, Wiktor"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1452"]
[PlyCount "93"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 Bb4+ 6. Nc3 0-0 7. Be2 Re8 8. 0-0 Be6 9. c5 b6 10. Bb5 Bd7 11. Bxd7 Nbxd7 12. cxb6 Nxb6 13. a3 Bxc3 14. bxc3 Qd6 15. Ne5 Nbd7 16. Bf4 Nxe5 17. dxe5 Rxe5 18. Qd4 Re4 19. Bxd6 Rxd4 20. cxd4 cxd6 21. Rac1 g6 22. Rc7 a5 23. Rfc1 Kg7 24. Rc8 Ra7 25. R1c7 Ra6 26. Rc6 Ra7 27. Rxd6 Rb7 28. Rc1 Rb3 29. Ra1 Rd3 30. Ra6 Rxd4 31. Rxa5 Rd2 32. f3 g5 33. h3 h5 34. Ra4 d4 35. Ra5 Kg6 36. Re5 g4 37. h4 Nh7 38. a4 f6 39. Rd5 gxf3 40. gxf3 f5 41. a5 Nf6 42. Rd6 d3 43. a6 Re2 44. a7 d2 45. a8Q Re1+ 46. Kf2 Rxa1 47. Qg8+ 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.08"]
[Round "3.8"]
[White "Liszewski, Krzysztof"]
[Black "Sewera, Wiktor"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "39"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d5 3. e3 Nf6 4. c4 Nbd7 5. a4 Qe7 6. Qc2 Qe6 7. Na3 d4 8. Nb5 Kd8 9. c5 c6 10. Na3 b6 11. cxb6 Nxb6 12. a5 Nbd7 13. Nf3 Bxb4 14. Ng5 Qe7 15. Qxc6 Rb8 16. Nb5 Ne8 17. Nf3 Qc5 18. Qxc5 Bxc5 19. Nxe5 a6 20. Nc6# 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.08"]
[Round "4.16"]
[White "Sewera, Wiktor"]
[Black "Krol, Roman"]
[Result "1/2-1/2"]
[ECO "B10"]
[BlackElo "1437"]
[PlyCount "86"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. c4 Bg4 5. Qa4+ Bd7 6. Qb4 Qc8 7. Ne5 e6 8. Qc3 Nf6 9. Nxd7 Nbxd7 10. cxd5 Nxd5 11. Qxc8+ Rxc8 12. Nc3 Nb4 13. Kd1 a6 14. a3 Nc6 15. Bd3 Bd6 16. Re1 0-0 17. Re4 Nc5 18. Re3 Nxd3 19. Rxd3 Be7 20. Rd7 Rb8 21. d3 Rfd8 22. Rxd8+ Rxd8 23. Kd2 Ne5 24. Ke2 Nxd3 25. b4 Nxc1+ 26. Rxc1 f5 27. Rd1 Rc8 28. Rd7 Bxb4 29. axb4 Rxc3 30. Rxb7 Ra3 31. Ra7 Rb3 32. Rxa6 Rxb4 33. Rxe6 Kf7 34. Re3 Kf6 35. Kf3 h6 36. h3 g5 37. g4 h5 38. gxf5 Rf4+ 39. Kg3 Rxf5 40. Rf3 Rxf3+ 41. Kxf3 Kf5 42. Kg3 Ke5 43. f3 Kf5 1/2-1/2

