[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.28"]
[Round "9"]
[White "Piotrkowski, Wojciech"]
[Black "Wierzbicki, Marek"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "41"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. d4 0-0 6. 0-0 Nbd7 7. Qe2 e5 8. Be3 Re8 9. Rae1 Nb6 10. Bb3 Bd7 11. Ng5 Rf8 12. dxe5 dxe5 13. Rd1 Qc8 14. Bc5 Be8 15. Bxf8 Kxf8 16. f4 Nbd7 17. fxe5 Nxe5 18. Nd5 Ned7 19. Nxf6 Nxf6 20. e5 Ng8 21. Qc4 1-0

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.24"]
[Round "6"]
[White "Piotrkowski, Wojciech"]
[Black "Kotlowska, Anna"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1645"]
[PlyCount "66"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 Bxd4 7. Bxd4 d6 8. Bxf6 Qxf6 9. Bd3 Be6 10. 0-0 0-0 11. Qd2 a6 12. Rae1 Rae8 13. a3 Qh4 14. f4 Bd7 15. Nd5 Qd8 16. f5 f6 17. Rf3 Ne5 18. Rg3 Kh8 19. Nf4 Rf7 20. Ree3 Rfe7 21. Qe2 Nf7 22. Nd5 Re5 23. Nf4 R8e7 24. Rh3 Nh6 25. Nd5 Re8 26. Nf4 R8e7 27. Nd5 Re8 28. Nf4 c6 29. c4 R8e7 30. b3 Qe8 31. Kf2 Kg8 32. Reg3 Qd8 33. b4 Qb6+ 0-1

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.24"]
[Round "7"]
[White "Zakowski, Mariusz"]
[Black "Piotrkowski, Wojciech"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "53"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nf3 d5 4. exd5 exd5 5. Qe2+ Be7 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. d4 c4 9. Ne5 Qe6 10. Be3 Nf6 11. Nc3 0-0 12. f3 Re8 13. a3 Nbd7 14. f4 a6 15. g4 Nxe5 16. f5 Qd6 17. dxe5 Qxe5 18. 0-0-0 Bxa3 19. bxa3 Qxc3 20. Bd4 Qxa3+ 21. Bb2 Qxb2+ 22. Kxb2 Rxe2 23. g5 Nd7 24. Rxd5 Nb6 25. Rd4 Na4+ 26. Ka3 b5 27. Rhd1 0-1

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.23"]
[Round "5"]
[White "Nowacki, Jan"]
[Black "Piotrkowski, Wojciech"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "82"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. h3 Nf6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nbd2 Qxd5 9. Be2 Nxd2 10. Bxd2 e5 11. 0-0 Be7 12. b3 Qe6 13. Re1 0-0 14. Bc3 Qd7 15. Bc4 a6 16. a4 Rb8 17. Bd5 Qc7 18. Rc1 Be6 19. b4 Qd7 20. b5 axb5 21. axb5 Na7 22. b6 Nc8 23. Rb1 Rd8 24. Qb3 Bxd5 25. Qxd5 Qc6 26. Qd2 Qe8 27. Qa2 Bf6 28. Nh2 Qe6 29. Qc2 Qd7 30. Rec1 g6 31. Qe2 Ne7 32. Ng4 Bg7 33. Bd2 Rdc8 34. Rd1 Rc6 35. Bh6 Rbc8 36. Bxg7 Kxg7 37. Nxe5 Qe6 38. Re1 dxe5 39. Qb2 f6 40. f4 Rc2 41. Qb4 Nd5 0-1

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.22"]
[Round "4"]
[White "Piotrkowski, Wojciech"]
[Black "Garbowski, Jakub"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "54"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. 0-0 Nf6 5. Re1 0-0 6. c3 d6 7. d4 exd4 8. cxd4 Bb4 9. Nc3 Bg4 10. Be2 Re8 11. Bg5 Bxc3 12. bxc3 Rxe4 13. Qc2 Re8 14. h3 Bh5 15. d5 Ne5 16. Nxe5 Rxe5 17. Bxh5 Rxg5 18. Bf3 Re5 19. c4 Qe7 20. Kf1 Re8 21. Rxe5 Qxe5 22. Rb1 b6 23. a4 a5 24. Qb3 Ne4 25. Qc2 Qd4 26. Rd1 Qe5 27. Re1 Ng3+ 0-1

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.22"]
[Round "3"]
[White "Tynski, Aleksander"]
[Black "Piotrkowski, Wojciech"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "62"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 e6 4. Bc4 Be7 5. d4 cxd4 6. Qxd4 Nf6 7. 0-0 Nc6 8. Qe3 0-0 9. Rd1 Bd7 10. Qg5 Nxe4 11. Qg4 f5 12. Qh3 Ng5 13. Qg3 Nxf3+ 14. Qxf3 d5 15. Nxd5 Ne5 16. Qb3 Nxc4 17. Qxc4 Kh8 18. Nxe7 Qxe7 19. Qd4 Rfd8 20. Bf4 Bc6 21. Qc3 Rac8 22. Rxd8+ Qxd8 23. Re1 Be4 24. Qb3 Qd7 25. c3 Bd5 26. Rd1 Qc6 27. Qa3 Bxg2 28. Qxa7 Bh3 29. f3 Qxf3 30. Qf2 Qxd1+ 31. Qf1 Qxf1# 0-1

[Event "Chelmza op-B"]
[Site "Chelmza"]
[Date "2009.06.21"]
[Round "2"]
[White "Lewandowski, Michal"]
[Black "Piotrkowski, Wojciech"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "1638"]
[PlyCount "71"]
[EventDate "2009.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e6 4. e4 Nc6 5. f4 Be7 6. Nf3 0-0 7. Be2 e5 8. d5 Nd4 9. Nxd4 exd4 10. Qxd4 Nd7 11. 0-0 Bf6 12. Qd3 Nc5 13. Qc2 Re8 14. Bf3 Bd4+ 15. Kh1 Qh4 16. Bd2 Bg4 17. Bxg4 Qxg4 18. Rae1 Nd7 19. Nb5 Bb6 20. Be3 Rac8 21. Bxb6 axb6 22. Rf3 Nf6 23. e5 Qh4 24. Re2 Nh5 25. g3 Qg4 26. Kg2 dxe5 27. fxe5 g5 28. h3 Qd7 29. Nd4 g4 30. hxg4 Qxg4 31. Re4 Qg6 32. Kh3 Kh8 33. Nf5 Rcd8 34. Rg4 Nf4+ 35. Rfxf4 Qh5+ 36. Rh4 1-0

