[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.27"]
[Round "9"]
[White "Piasecki, Andrzej"]
[Black "Nowak, Patrycja"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1300"]
[BlackElo "1182"]
[PlyCount "40"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e6 3. c4 c6 4. d3 Ne7 5. b4 g6 6. Bb2 Rg8 7. Nf3 dxc4 8. dxc4 Qxd1+ 9. Kxd1 Nd7 10. Nbd2 Nb6 11. a4 Bd7 12. a5 Nbc8 13. Ne4 Bg7 14. Bxg7 Rxg7 15. Nf6+ Kd8 16. Kc2 Ng8 17. Nxg8 Rxg8 18. Ne5 Be8 19. Rad1+ Ke7 20. a6 b6 1/2-1/2

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.26"]
[Round "8"]
[White "Piasecki, Andrzej"]
[Black "Lisiak, Rafal"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1300"]
[BlackElo "1444"]
[PlyCount "66"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 e6 4. c5 Nf6 5. d4 Be7 6. a4 c6 7. Bg5 Nbd7 8. Bxf6 Nxf6 9. Nc3 0-0 10. f3 Bh5 11. e4 dxe4 12. fxe4 Qc7 13. e5 Nd5 14. Bf3 Nxc3 15. bxc3 Bh4+ 16. Ke2 Bg6 17. Nh3 Bf5 18. Nf2 Qe7 19. Rg1 Bxf2 20. Kxf2 Qh4+ 21. Rg3 Bg6 22. Qg1 f5 23. Kg2 f4 24. Rg4 Qe7 25. h4 Bf5 26. Rxf4 Bh3+ 27. Kg3 Rxf4 28. Kxf4 Qxh4+ 29. Ke3 Rf8 30. Bg4 Qxg4 31. Qxg4 Bxg4 32. Rh1 h5 33. a5 g5 0-1

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.25"]
[Round "7"]
[White "Wojdak, Karol"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1372"]
[BlackElo "1300"]
[PlyCount "57"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 e6 4. d5 exd5 5. exd5 Qe7+ 6. Be3 Ne5 7. Be2 d6 8. Nc3 Nf6 9. h3 a6 10. Qd2 b5 11. Nxe5 dxe5 12. 0-0-0 h6 13. Rhe1 Qd6 14. Bf3 Nd7 15. Ne4 Qg6 16. d6 Bb7 17. Nf6+ Qxf6 18. Bxb7 Rb8 19. Bf3 Rb6 20. Bf4 Rxd6 21. Qe3 Rxd1+ 22. Kxd1 Qd6+ 23. Kc1 f6 24. Bh5+ Kd8 25. Rd1 Qc7 26. Bg3 Bd6 27. Qe4 Nf8 28. Qd5 g6 29. Bg4 1-0

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.24"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Nicikowski, Jozef"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1300"]
[BlackElo "1490"]
[PlyCount "93"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 Qc8 6. Nc3 Bd7 7. Bxd5 Nc6 8. Bxf7+ Kd8 9. Bxg8 Nd4 10. Qd5 Qc6 11. Qxc6 Bxc6 12. Bd5 Bxd5 13. Nxd5 Nc2+ 14. Kd1 Nxa1 15. Nf3 Rc8 16. Ne5 Ke8 17. Nc3 g6 18. d4 Rd8 19. Be3 Bg7 20. Nd3 Bxd4 21. Bxd4 Rxd4 22. Kd2 e5 23. e4 Rf8 24. Ke2 Nc2 25. Nxe5 Nb4 26. a3 Na6 27. Ke3 Rd6 28. b4 Nc7 29. f4 Re6 30. h4 h6 31. Rd1 g5 32. hxg5 hxg5 33. Nd3 gxf4+ 34. Nxf4 Ref6 35. Nce2 Ra6 36. a4 Rxa4 37. Rd4 Nb5 38. Rc4 Kd7 39. Nd4 Ra3+ 40. Nd3 Nd6 41. Rc5 Rh8 42. Rd5 Rh3+ 43. Nf3 Kc6 44. Kf4 b6 45. Nd4+ Kd7 46. Ne5+ Ke7 47. Ng6+ 1/2-1/2

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.23"]
[Round "5"]
[White "Piasecki, Andrzej"]
[Black "Walaszyk, Zbigniew"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1300"]
[BlackElo "1344"]
[PlyCount "81"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nc3 Nf6 2. Nf3 g6 3. e4 Bg7 4. e5 Ng8 5. d4 c6 6. d5 cxd5 7. Qxd5 e6 8. Qd6 Bf8 9. Qd4 Nc6 10. Qh4 Qa5 11. Qa4 Bb4 12. Qxa5 Bxa5 13. Bd2 a6 14. 0-0-0 Nge7 15. Ne4 Bxd2+ 16. Rxd2 0-0 17. Nf6+ Kg7 18. Ng4 Rd8 19. h4 b5 20. h5 Rh8 21. h6+ Kf8 22. Nf6 Ra7 23. Ng5 Nf5 24. g4 Nfd4 25. f4 b4 26. Bg2 b3 27. Bxc6 bxa2 28. Rxd4 a1Q+ 29. Kd2 Qxb2 30. Kd3 Ke7 31. Ba4 Rc7 32. Nge4 a5 33. Rd1 Ba6+ 34. Ke3 Rd8 35. Nxh7 Bb5 36. Bxb5 Qxb5 37. Nhf6 a4 38. h7 Qb6 39. Ng8+ Kf8 40. h8Q Rxc2 41. Nh6+ 1-0

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.22"]
[Round "4"]
[White "Geselle, Roman"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1429"]
[BlackElo "1300"]
[PlyCount "52"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. Bg5 h6 5. Bh4 g5 6. Bg3 Ne4 7. a3 Nxg3 8. hxg3 Bg7 9. e3 g4 10. Ne5 Bxe5 11. dxe5 h5 12. Be2 f6 13. exf6 Qxf6 14. Nc3 c6 15. Qd2 Na6 16. b4 Nc7 17. Rd1 Bd7 18. e4 d4 19. Qxd4 Qxd4 20. Rxd4 0-0-0 21. Na4 e5 22. Rd2 Ne6 23. f3 gxf3 24. gxf3 Nd4 25. Bd1 Ne6 26. Kf2 Ng5 1-0

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.21"]
[Round "3"]
[White "Tadych, Szymon"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1501"]
[BlackElo "1300"]
[PlyCount "41"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bd6 5. Bxd6 cxd6 6. g3 d5 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bg2 Qa5+ 10. Qd2 Qxd2+ 11. Kxd2 Nc6 12. e3 Ne7 13. Ne2 b6 14. Nc3 Bb7 15. Nb5 0-0 16. Rac1 Bc6 17. Nc3 b5 18. b4 a5 19. Rb1 axb4 20. Rxb4 Rfb8 21. Rhb1 1-0

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.20"]
[Round "1"]
[White "Nun, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1829"]
[BlackElo "1300"]
[PlyCount "33"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 h5 2. d4 g6 3. Nf3 Bh6 4. Bc4 d6 5. Nc3 Be6 6. Bxe6 fxe6 7. Qd3 Bxc1 8. Rxc1 Nd7 9. Ng5 d5 10. Nxe6 Qc8 11. Nxd5 Rb8 12. Ndxc7+ Kf7 13. Qb3 Nf8 14. Nd8+ Kg7 15. Qf7+ Kh6 16. Qxf8+ Kg5 17. h4+ 1-0

[Event "Poznan op 25th"]
[Site "Poznan"]
[Date "2017.08.20"]
[Round "2"]
[White "Piasecki, Andrzej"]
[Black "Wolniaczyk, Daria"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1300"]
[BlackElo "1629"]
[PlyCount "94"]
[EventDate "2017.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 Be6 4. Qb3 Bc8 5. cxd5 Na6 6. Bh3 Bxh3 7. Nxh3 Rb8 8. Qb5+ Qd7 9. Qxd7+ Kxd7 10. a3 h6 11. d4 Nf6 12. Nc3 c5 13. dxc6+ Kxc6 14. b4 Nc7 15. Bf4 e6 16. Rc1 Kd7 17. Nb5 Nxb5 18. Bxb8 Bd6 19. Bxd6 Kxd6 20. e3 Nxa3 21. Rc5 b6 22. Rc1 Nd5 23. 0-0 Nxb4 24. Nf4 a5 25. Rfd1 g5 26. Nd3 Nac2 27. Nxb4 Nxb4 28. e4 f6 29. f3 h5 30. Kf2 Rb8 31. Ke3 b5 32. f4 a4 33. e5+ Kd7 34. exf6 g4 35. Rg1 Nd5+ 36. Ke4 Nxf6+ 37. Ke5 Ke7 38. h3 b4 39. Rc7+ Nd7+ 40. Rxd7+ Kxd7 41. hxg4 Rb5+ 42. Ke4 hxg4 43. Rxg4 b3 44. Rg1 b2 45. Rb1 a3 46. d5 exd5+ 47. Ke5 a2 0-1

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.15"]
[Round "9"]
[White "Opolski, Wojciech"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1534"]
[BlackElo "1316"]
[PlyCount "89"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 a5 2. c4 d5 3. cxd5 Qxd5 4. Nc3 Qd7 5. e4 e6 6. Nf3 f6 7. Bd3 Bb4 8. 0-0 Ne7 9. d5 Bxc3 10. dxe6 Qxe6 11. bxc3 0-0 12. Nd4 Qe5 13. f4 Qc5 14. Be3 Nbc6 15. Qd2 Nxd4 16. cxd4 Qh5 17. f5 c6 18. Rac1 b5 19. Rf3 Qe8 20. Qf2 Ba6 21. Qe2 Qc8 22. d5 b4 23. d6 Bxd3 24. Qxd3 Qa6 25. Qxa6 Rxa6 26. dxe7 Re8 27. Bc5 Kf7 28. Rd3 Rxe7 29. Bxe7 Kxe7 30. g4 a4 31. h4 Rb6 32. Kf2 g6 33. Ke3 g5 34. hxg5 fxg5 35. e5 b3 36. axb3 axb3 37. Rb1 Rb4 38. Rbxb3 Rxg4 39. Rb7+ Ke8 40. Rxh7 Rg3+ 41. Kd2 Rg2+ 42. Ke1 Rg4 43. e6 Re4+ 44. Kd2 Rf4 45. Ra3 1-0

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.14"]
[Round "8"]
[White "Piasecki, Andrzej"]
[Black "Ros Gorne, Ramon"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1316"]
[BlackElo "1561"]
[PlyCount "106"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. g4 c6 2. Bg2 e6 3. b3 Ne7 4. Ba3 d5 5. d4 g6 6. e3 Bg7 7. Nf3 0-0 8. h3 Nd7 9. Bb2 Qc7 10. 0-0 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bxe5 Qxe5 14. Qd4 Qxd4 15. exd4 f5 16. f3 Bd7 17. Nd2 fxg4 18. fxg4 g5 19. Rxf8+ Rxf8 20. Rf1 Ng6 21. c4 Nf4 22. Rf2 Re8 23. Kf1 h5 24. gxh5 Nxh3 25. Re2 Rxe2 26. Kxe2 Nf4+ 27. Kf3 Nxh5 28. cxd5 cxd5 29. Ke3 Nf4 30. Bf1 Kg7 31. b4 Kf6 32. Nf3 Ng6 33. Bd3 Bf5 34. Be2 Bb1 35. a3 Kf5 36. Nd2 Bc2 37. Bb5 Kg4 38. Kf2 Kf4 39. Bd7 Bf5 40. Bxf5 Kxf5 41. b5 Nf4 42. Nb3 b6 43. a4 Ne6 44. Ke3 g4 45. Nc1 g3 46. Ne2 Kg4 47. Ng1 Nf4 48. Nf3 g2 49. Kf2 Kh3 50. Ng1+ Kh2 51. Nf3+ Kh1 52. Kg3 Ne2+ 53. Kf2 Nxd4 0-1

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.13"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Steinke, Katarzyna"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1316"]
[BlackElo "1015"]
[PlyCount "102"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. a4 e5 2. b3 d5 3. Ba3 c5 4. e3 Nf6 5. Bb5+ Bd7 6. c4 a6 7. Bxd7+ Nbxd7 8. cxd5 Nxd5 9. Nc3 N5f6 10. Nf3 Be7 11. 0-0 0-0 12. d4 e4 13. Ng5 cxd4 14. Bxe7 Qxe7 15. exd4 e3 16. Re1 Ng4 17. Qxg4 exf2+ 18. Kxf2 Qf6+ 19. Kg1 Nb8 20. Qh4 h6 21. Nf3 Qb6 22. Rab1 Nc6 23. Nd5 Qa5 24. Ne7+ Nxe7 25. Rxe7 Qd8 26. Rxb7 Qd5 27. Qe7 a5 28. Qd7 Qxd7 29. Rxd7 Rab8 30. Ra7 Ra8 31. Rxa8 Rxa8 32. b4 Rb8 33. b5 Kf8 34. Kf2 Ke7 35. b6 Kd6 36. Rb5 Kc6 37. Rxa5 Rxb6 38. Rc5+ Kd6 39. a5 Ra6 40. h4 h5 41. Ke3 g6 42. Ne5 Ra7 43. Ke4 f5+ 44. Kf4 Rb7 45. Rc6+ Kd5 46. Rxg6 Kxd4 47. Kxf5 Rb5 48. Rd6+ Kc5 49. Ke6 Rxa5 50. Rd5+ Kb6 51. Rxa5 Kxa5 1-0

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.13"]
[Round "7"]
[White "Tamon, Agata"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1110"]
[BlackElo "1316"]
[PlyCount "50"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 g5 2. Bc4 h5 3. d3 Bg7 4. c3 g4 5. f3 d6 6. Be3 Nc6 7. Nd2 Ne5 8. f4 Nxc4 9. Nxc4 b5 10. Na5 Qd7 11. Qc2 f5 12. 0-0-0 Bh6 13. g3 e5 14. Ne2 Ne7 15. Bd2 fxe4 16. dxe4 Nc6 17. Nxc6 Qxc6 18. Rhe1 Bb7 19. Ng1 0-0 20. Qb3+ Qc4 21. Qxc4+ bxc4 22. f5 Bxd2+ 23. Rxd2 Rf6 24. Rf2 Kg7 25. Re3 a5 1/2-1/2

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.12"]
[Round "5"]
[White "Kolodziejski, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1561"]
[BlackElo "1316"]
[PlyCount "65"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. a4 b4 4. Nf3 a5 5. c3 e6 6. Bd3 c5 7. Be3 d6 8. 0-0 Ba6 9. Bb5+ Nd7 10. dxc5 Bxb5 11. axb5 dxc5 12. Nbd2 Qb6 13. Qa4 Ngf6 14. cxb4 Qb7 15. bxa5 Bd6 16. a6 Qa7 17. e5 Nb6 18. Qa2 Ng4 19. exd6 Nxe3 20. fxe3 0-0 21. Nc4 Nd5 22. Nfe5 Nb4 23. Qa5 f6 24. Nc6 Nxc6 25. bxc6 Rab8 26. Qc7 Rf7 27. Qxa7 Rxa7 28. c7 Rc8 29. d7 Rcxc7 30. d8Q+ Kf7 31. Nd6+ Kg6 32. Rf3 Rd7 33. Qe8+ 1-0

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.11"]
[Round "4"]
[White "Piasecki, Andrzej"]
[Black "Wasiak, Stanislaw"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1316"]
[BlackElo "1601"]
[PlyCount "41"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. g4 h6 2. Bg2 Nf6 3. h3 d5 4. c4 e6 5. Nc3 c6 6. Nf3 Bd6 7. d4 0-0 8. 0-0 dxc4 9. Ne5 Bxe5 10. dxe5 Nd5 11. Nxd5 cxd5 12. f4 Nc6 13. g5 hxg5 14. fxg5 Nxe5 15. Bf4 Ng6 16. e4 Nxf4 17. Rxf4 Qxg5 18. Rg4 Qe3+ 19. Kh1 e5 20. Rh4 Qg3 21. Qh5 1/2-1/2

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.10"]
[Round "3"]
[White "Madajczak, Jakub"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1511"]
[BlackElo "1316"]
[PlyCount "49"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Qe7 7. Nc3 c6 8. 0-0 Qf6 9. Be3 Qxf3 10. gxf3 b5 11. Bb3 Nd7 12. Rfd1 Bc5 13. Bxf7+ Ke7 14. Rxd7+ Kxd7 15. Bxc5 Nf6 16. Rd1+ Kc7 17. Bd6+ Kb6 18. Bxe5 Rad8 19. Kg2 Rxd1 20. Nxd1 Rd8 21. Ne3 Rd2 22. Bc3 Rd7 23. Be6 Rd6 24. Bf5 h6 25. e5 1-0

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.09"]
[Round "2"]
[White "Piasecki, Andrzej"]
[Black "Czarnolewski, Piotr"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1316"]
[BlackElo "1680"]
[PlyCount "68"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. g4 d6 2. g5 e5 3. d4 exd4 4. Qxd4 Nc6 5. Qe4+ Qe7 6. Nc3 Qxe4 7. Nxe4 Bf5 8. Bg2 Nge7 9. c3 0-0-0 10. Bd2 Ng6 11. h4 Be7 12. Ng3 Bd7 13. Bh3 Nge5 14. Bxd7+ Rxd7 15. Nf5 g6 16. Nxe7+ Rxe7 17. 0-0-0 Rhe8 18. Nf3 Nxf3 19. exf3 Ne5 20. Be3 Nxf3 21. Rh3 Ne5 22. Bxa7 b6 23. Rd4 Kb7 24. Ra4 Nc6 25. Bxb6 cxb6 26. Kc2 Re2+ 27. Kb3 Rxf2 28. Rh1 Ree2 29. Rb1 b5 30. Rg4 Kb6 31. a4 Na5+ 32. Ka2 Nc4 33. axb5 Kxb5 34. Kb3 Rxb2+ 0-1

[Event "Poznan op 24th"]
[Site "Poznan"]
[Date "2016.08.08"]
[Round "1"]
[White "Simon, Marek"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1834"]
[BlackElo "1316"]
[PlyCount "101"]
[EventDate "2016.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 b6 2. e4 e6 3. c4 c5 4. d5 d6 5. f4 e5 6. Nf3 Bg4 7. fxe5 dxe5 8. Nc3 Bxf3 9. Qxf3 Qh4+ 10. g3 Qf6 11. Qg4 Na6 12. Bh3 Rd8 13. Bg5 h5 14. Bxf6 hxg4 15. Bxd8 Rxh3 16. Bg5 Nb4 17. Kd2 f6 18. Be3 Bd6 19. Nd1 Rh7 20. Nf2 Nh6 21. Bxh6 gxh6 22. Nxg4 Kf7 23. Rhf1 Be7 24. a3 Na6 25. Nxe5+ Ke8 26. Nc6 h5 27. Nxa7 Nb8 28. Nc8 Nd7 29. Nxe7 Kxe7 30. Rf4 Ne5 31. b3 Ng6 32. Rf2 h4 33. a4 hxg3 34. hxg3 Ne5 35. Ke2 Rg7 36. Rg2 Rg4 37. Ke3 Rg8 38. a5 Ra8 39. a6 Ra7 40. g4 Nd7 41. g5 fxg5 42. Rxg5 Kf6 43. Rf5+ Ke7 44. Rh5 Nf6 45. Rh8 Nd7 46. Rh7+ Kd6 47. Kf4 Kc7 48. e5 Kb8 49. Rh8+ Kc7 50. d6+ Kc6 51. Rc8+ 1-0

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.17"]
[Round "9"]
[White "Piasecki, Andrzej"]
[Black "Zatylny, Jan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1319"]
[BlackElo "1530"]
[PlyCount "39"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 Bd7 5. Qb3 Qb6 6. Nc3 Nf6 7. d3 cxd5 8. Nxd5 Nxd5 9. Bxd5 Qxb3 10. axb3 Bc6 11. Bxc6+ Nxc6 12. Be3 a6 13. Bb6 e6 14. Nf3 Be7 15. e3 f6 16. d4 Kf7 17. h4 g6 18. Ke2 Rac8 19. Rac1 Nb4 20. Rc4 0-1

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.16"]
[Round "8"]
[White "Andrzejewska, Maja"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1280"]
[BlackElo "1319"]
[PlyCount "64"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 g5 2. Nc3 Bg7 3. d4 e5 4. d5 d6 5. g3 g4 6. h3 h5 7. hxg4 hxg4 8. Rxh8 Bxh8 9. Bg2 Bd7 10. f3 Qc8 11. Bd2 b5 12. a3 Nf6 13. Qe2 a6 14. f4 Nh5 15. f5 Nf6 16. Bg5 Ke7 17. Bxf6+ Bxf6 18. Qxg4 Qh8 19. Qh3 Be8 20. Qxh8 Bxh8 21. g4 f6 22. Nd1 Bg7 23. Rc1 Bh6 24. Rb1 c5 25. c3 Nd7 26. Nf3 c4 27. Nd2 Nc5 28. Ke2 Nd3 29. Bf3 Nf4+ 30. Kf2 Nd3+ 31. Ke2 Nf4+ 32. Ke1 Nd3+ 1/2-1/2

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.15"]
[Round "7"]
[White "Jaworski, Mateusz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1766"]
[BlackElo "1319"]
[PlyCount "61"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 b6 2. d4 h5 3. Nc3 Ba6 4. Bxa6 Nxa6 5. Qe2 Qc8 6. Nf3 c5 7. d5 Nc7 8. Bf4 a6 9. 0-0 f6 10. h4 e5 11. Be3 d6 12. Nh2 Qd7 13. a4 Be7 14. Qf3 0-0-0 15. Qg3 Bf8 16. f4 Nh6 17. f5 Qf7 18. Rfb1 Ng4 19. Nxg4 hxg4 20. Qxg4 Qh5 21. Qxh5 Rxh5 22. Bf2 g5 23. fxg6 Bh6 24. g4 Be3 25. gxh5 Bxf2+ 26. Kxf2 f5 27. exf5 Rf8 28. g7 Rg8 29. f6 Kd8 30. f7 Rxg7 31. f8Q+ 1-0

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.15"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Huchwajda, Grzegorz"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1319"]
[BlackElo "1488"]
[PlyCount "70"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. b3 d5 2. d4 Nf6 3. Ba3 g6 4. e3 Bg7 5. Bb5+ c6 6. Be2 0-0 7. h4 Re8 8. h5 h6 9. hxg6 fxg6 10. Bd3 Bf5 11. Nf3 Ne4 12. Nh4 Qd7 13. Nd2 e5 14. Bb2 exd4 15. Nxf5 Qxf5 16. Nxe4 dxe4 17. Bc4+ Kh7 18. exd4 b5 19. Be2 Na6 20. Bg4 Qf7 21. Bc1 Rad8 22. c3 Nc7 23. 0-0 c5 24. Be3 Nd5 25. Rc1 Nf6 26. Be2 a6 27. Qc2 cxd4 28. Bxd4 Qe7 29. b4 Nd5 30. Bxg7 Kxg7 31. f3 Qa7+ 32. Rf2 Ne3 33. Qb2 Kh7 34. c4 bxc4 35. Bxc4 Rc8 1-0

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.13"]
[Round "4"]
[White "Dobrzanska, Magdalena"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1457"]
[BlackElo "1319"]
[PlyCount "93"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 b6 2. c4 d5 3. Nc3 dxc4 4. e4 Ba6 5. b3 b5 6. bxc4 bxc4 7. Bf4 e6 8. Bxc4 Qd7 9. Qd3 Bb7 10. Rb1 c6 11. Nf3 Nf6 12. Ne5 Qc8 13. 0-0 Nbd7 14. Rb2 Nb6 15. Rfb1 Nh5 16. Bd2 Bd6 17. Ng4 Bf4 18. Bb3 Ba6 19. Qc2 0-0 20. Ne3 Qc7 21. e5 Bg5 22. Ne4 Be7 23. Nc4 Nd5 24. Ba5 Qd7 25. Ncd6 f5 26. Ba4 fxe4 27. Bxc6 Qxc6 28. Qxc6 Bd3 29. Re1 Nhf4 30. Nxe4 Rac8 31. Qd7 Bxe4 32. Rxe4 Rc1+ 33. Re1 Nd3 34. Qxe6+ Kh8 35. Rxc1 Nxc1 36. Qxd5 Nd3 37. Rd2 Nf4 38. Qd7 Bg5 39. Rd1 h5 40. e6 Bh4 41. f3 Ne2+ 42. Kf1 Nf4 43. e7 Bxe7 44. Qxe7 Ng6 45. Qg5 Nf4 46. Re1 Rf7 47. g3 1-0

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.12"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Wasiak, Stanislaw"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1319"]
[BlackElo "1694"]
[PlyCount "102"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g4 d5 2. g5 c6 3. d4 Nd7 4. f4 e6 5. Nf3 Ne7 6. h4 Nf5 7. Bh3 Nd6 8. Nbd2 Qa5 9. c3 c5 10. dxc5 Qxc5 11. Nb3 Qc7 12. Be3 Nc4 13. Qc1 Bd6 14. Nbd4 a6 15. f5 e5 16. Nc2 e4 17. Nd2 Bg3+ 18. Kd1 Bxh4 19. Nxc4 dxc4 20. Bf4 Qd8 21. Nd4 Bf2 22. e3 Nc5 23. Qc2 Nd3 24. Rh2 Bg1 25. Rg2 Nxf4 26. Qxe4+ Qe7 27. Qxe7+ Kxe7 28. exf4 Bxd4 29. cxd4 Rd8 30. Rd2 Rd5 31. Kc2 Bxf5+ 32. Bxf5 Rxf5 33. Re1+ Kd7 34. Re4 Re8 35. Rde2 Rxe4 36. Rxe4 f6 37. gxf6 Rxf6 38. Kc3 b5 39. b3 cxb3 40. axb3 h5 41. d5 h4 42. Kd4 h3 43. Ke5 h2 44. Re1 a5 45. f5 Rh6 46. Rh1 Rh4 47. d6 a4 48. bxa4 bxa4 49. Rc1 h1Q 50. Rc7+ Kd8 51. Rxg7 Qa1+ 0-1

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.11"]
[Round "2"]
[White "Poltorak, Sebastian"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1634"]
[BlackElo "1319"]
[PlyCount "87"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 h6 2. c4 a6 3. Nc3 e6 4. e4 c5 5. d5 d6 6. Nf3 e5 7. g3 g5 8. Bg2 g4 9. Nd2 f5 10. Qc2 f4 11. gxf4 exf4 12. e5 Qg5 13. e6 f3 14. Nxf3 Qf6 15. Ne4 Qe7 16. Nfd2 Bxe6 17. dxe6 Qxe6 18. 0-0 Nc6 19. Re1 0-0-0 20. Nb3 Bg7 21. Bf4 Be5 22. Bxe5 Nxe5 23. Nexc5 dxc5 24. Qe4 Nf3+ 25. Bxf3 Qxe4 26. Bxe4 b6 27. Bf5+ Kc7 28. Re6 h5 29. Rae1 Rh6 30. Rxh6 Nxh6 31. Re7+ Kb8 32. Bc2 Rd6 33. a4 a5 34. Kf1 Rf6 35. Ke2 Nf7 36. Nd2 Nd6 37. Ne4 Nxe4 38. Bxe4 Rh6 39. Rh7 Re6 40. Ke3 Re5 41. Kf4 Re8 42. Rxh5 Rf8+ 43. Rf5 Rxf5+ 44. Bxf5 1-0

[Event "Poznan op 23rd"]
[Site "Poznan"]
[Date "2015.08.10"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Zielinski, Olgierd"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1319"]
[BlackElo "1921"]
[PlyCount "85"]
[EventDate "2015.08.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 Nf6 5. Qb3 Qc8 6. Nc3 g6 7. f3 Bd7 8. e4 cxd5 9. exd5 Bg7 10. Nge2 0-0 11. d4 b6 12. h4 Na6 13. Bf4 Nc7 14. Bxc7 Qxc7 15. Rc1 Rac8 16. Ne4 Qb8 17. Nxf6+ Bxf6 18. Rxc8 Rxc8 19. Kf2 h5 20. Ke3 e5 21. dxe6 Bxe6 22. Qa3 Rc2 23. Bh3 Bc4 24. Bf1 Qe8+ 25. Kf4 Bxe2 26. Qe3 Qxe3+ 27. Kxe3 Bxf1 28. Rxf1 Rxb2 29. Ra1 Rb4 30. Rd1 Bxh4 31. d5 Ra4 32. d6 Rxa2 33. d7 Kf8 34. d8Q+ Bxd8 35. Rxd8+ Ke7 36. Rb8 g5 37. Rh8 h4 38. Ke4 Ke6 39. Rh6+ f6 40. f4 Ra4+ 41. Kf3 Rxf4+ 42. Kg2 Kf5 43. Rh7 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.14"]
[Round "9"]
[White "Jablonski, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1583"]
[BlackElo "1331"]
[PlyCount "118"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 g5 2. Bc4 e6 3. c3 c6 4. d4 d5 5. exd5 exd5 6. Bd3 Be6 7. Qe2 Qe7 8. Be3 g4 9. h3 Nf6 10. Bg5 Bg7 11. hxg4 Bxg4 12. Qxe7+ Kxe7 13. f3 Be6 14. Nd2 h5 15. 0-0-0 Nbd7 16. Re1 Bh6 17. Nh3 Rag8 18. f4 Bxg5 19. Nxg5 Ne4 20. Ngxe4 dxe4 21. Bxe4 Kd6 22. c4 f5 23. Bf3 h4 24. c5+ Ke7 25. Nc4 Kf6 26. Nd6 Bxa2 27. Nxb7 Bd5 28. Bxd5 cxd5 29. Rh2 Rg3 30. Nd6 Rgg8 31. Reh1 Rg4 32. c6 Nb6 33. Rf1 Ke7 34. Nxf5+ Ke6 35. Ne3 Rg3 36. Kd2 Nc4+ 37. Nxc4 dxc4 38. f5+ Kf6 39. Rf4 Rd3+ 40. Kc2 Re8 41. Rf2 Rxd4 42. Kc3 Rg4 43. Rh3 Rc8 44. Re3 Rxc6 45. Re8 Rc7 46. Re6+ Kf7 47. Rh6 Kg7 48. Re6 Rg3+ 49. Kc2 c3 50. b3 Rd7 51. Ree2 h3 52. gxh3 Rxh3 53. b4 Rb7 54. Re4 a5 55. f6+ Kf7 56. Re7+ Rxe7 57. fxe7+ Kxe7 58. bxa5 Rh5 59. Kxc3 Rxa5 1/2-1/2

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.13"]
[Round "8"]
[White "Zakrzewski, Bartosz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1544"]
[BlackElo "1331"]
[PlyCount "33"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 a6 2. a4 c5 3. Nf3 Nc6 4. d4 d5 5. exd5 Qxd5 6. Nc3 Qe6+ 7. Be2 Nxd4 8. Nxd4 cxd4 9. Qxd4 Qd6 10. Qh4 h6 11. Bf4 Qf6 12. Qg3 e6 13. 0-0-0 Bb4 14. Ne4 Qe7 15. Qxg7 Bd7 16. Qxh8 0-0-0 17. Qe5 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.12"]
[Round "7"]
[White "Piasecki, Andrzej"]
[Black "Bzdega, Bartlomiej"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1331"]
[BlackElo "1421"]
[PlyCount "84"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. h3 e5 4. d3 Bd6 5. e4 d4 6. c4 Ne7 7. Ne2 Ng6 8. Nd2 Nh4 9. Rg1 Nxg2+ 10. Rxg2 h5 11. Nf3 hxg4 12. hxg4 Qf6 13. Neg1 Qg6 14. g5 Be6 15. Qb3 b6 16. Qa4 Bd7 17. Bd2 c5 18. Qc2 Nc6 19. a3 f5 20. 0-0-0 f4 21. Rh2 Rxh2 22. Nxh2 Qxg5 23. Ngf3 Qf6 24. Rg1 0-0-0 25. Ng5 Rh8 26. Nhf3 Nd8 27. b4 Nf7 28. bxc5 Bxc5 29. Bb4 Bxb4 30. axb4 Nxg5 31. Rxg5 Rh3 32. Qd1 Rxf3 33. Qg1 Rxf2 34. Rxg7 Qxg7 35. Qxf2 Qe7 36. Qe1 Qg5 37. Kb2 Qg2+ 38. Kb3 Qg3 39. Qd2 Qe3 40. Qc2 f3 41. b5 Qe2 42. Qc1 Qxd3+ 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.11"]
[Round "5"]
[White "Niemier, Hubert"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1397"]
[BlackElo "1331"]
[PlyCount "75"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 a6 2. c4 b5 3. c5 c6 4. Nf3 e6 5. Bf4 f6 6. Nc3 d5 7. b4 g5 8. Bg3 Nh6 9. h3 Nf5 10. Bh2 a5 11. a3 Nh4 12. Nxh4 gxh4 13. e4 axb4 14. axb4 Rxa1 15. Qxa1 Nd7 16. Be2 Bh6 17. Bd6 Rg8 18. Bh5+ Rg6 19. Qa8 f5 20. exf5 exf5 21. 0-0 Kf7 22. Bxg6+ Kxg6 23. Qxc6 Nf6 24. Nxd5 Bd7 25. Qb7 Nxd5 26. Qxd5 Qe8 27. Qe5 Bg5 28. Qxe8+ Bxe8 29. f4 Bf6 30. Be5 Bc6 31. Ra1 Bxe5 32. fxe5 Kg5 33. Ra6 Bd5 34. Rd6 Be4 35. d5 Kf4 36. e6 Kg3 37. e7 Bxg2 38. e8Q 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.11"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Ullrich, Agata"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1331"]
[PlyCount "45"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 Nf6 3. g5 Nh5 4. d3 Be7 5. h4 0-0 6. e4 g6 7. Bf3 Ng7 8. Bg4 c6 9. Nc3 Qb6 10. Qd2 Na6 11. Qe2 f5 12. exf5 gxf5 13. Bf3 Bc5 14. a3 Ne6 15. Bh5 Nf4 16. Qf3 Nxh5 17. Qxh5 Bxf2+ 18. Kf1 e4 19. g6 Kg7 20. Qxh7+ Kf6 21. Bg5+ Ke5 22. Qe7+ Kd4 23. Qd6# 1-0

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.10"]
[Round "4"]
[White "Piasecki, Andrzej"]
[Black "Szuba, Henryk"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1331"]
[PlyCount "130"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. g4 d5 2. g5 g6 3. d4 Bg7 4. c3 e5 5. dxe5 Bxe5 6. f4 Bg7 7. Bg2 c6 8. Be3 Ne7 9. Bd4 0-0 10. Bxg7 Kxg7 11. Qd4+ Kg8 12. e4 dxe4 13. Qxd8 Rxd8 14. Bxe4 Bf5 15. Bxf5 Nxf5 16. Kf2 Rd1 17. Ke2 Rc1 18. Kd2 Rf1 19. Ke2 Rxf4 20. Nf3 Nd7 21. Nbd2 Re8+ 22. Kd3 Re3+ 23. Kc2 Rfxf3 24. Nxf3 Rxf3 25. a4 Nb6 26. Kb3 Nd5 27. a5 Nd4+ 28. Kc4 Ne6 29. h4 Rf4+ 30. Kd3 Nc5+ 31. Ke2 Ne4 32. Rh2 Ng3+ 33. Kd3 Ne7 34. b3 Nef5 35. Ra4 Rf3+ 36. Kc2 Ne3+ 37. Kc1 Nd5 38. c4 Nc3 39. Ra3 c5 40. Kb2 Nce4 41. b4 Rxa3 42. Kxa3 Nf5 43. bxc5 Nxc5 44. Kb4 Na6+ 45. Kc3 f6 46. gxf6 Kf7 47. h5 g5 48. Rd2 Ke6 49. Rd8 g4 50. Kd3 Nc5+ 51. Ke2 Kxf6 52. Rd5 Ne4 53. Rd7 Nc5 54. Rc7 Nd4+ 55. Kf1 Nc6 56. Kg2 h6 57. Kg3 Kg5 58. Rg7+ Kxh5 59. Rxg4 Nxa5 60. Rh4+ Kg6 61. Rg4+ Kf6 62. Kh4 Ke5 63. Kh5 Ne4 64. Rg6 Nxc4 65. Rxh6 a5 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.09"]
[Round "3"]
[White "Szafranski, Piotr"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[BlackElo "1331"]
[PlyCount "69"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 g5 2. d4 Bg7 3. Be3 h6 4. Nc3 b6 5. Qf3 Bb7 6. Bc4 e6 7. Qg3 d5 8. Bd3 dxe4 9. Bxe4 Bxe4 10. Nxe4 Nf6 11. Nxf6+ Bxf6 12. Ne2 Qd6 13. Qxd6 cxd6 14. 0-0 Nc6 15. c3 d5 16. f4 g4 17. f5 Ke7 18. fxe6 fxe6 19. Rf4 h5 20. Raf1 Rhf8 21. Rxf6 Rxf6 22. Bg5 Raf8 23. Bxf6+ Rxf6 24. Rxf6 Kxf6 25. Nf4 h4 26. Kf2 Ne7 27. h3 gxh3 28. gxh3 e5 29. dxe5+ Kxe5 30. Ke3 Nf5+ 31. Kf3 d4 32. c4 Nd6 33. b3 Kf5 34. a4 Ne4 35. Nd5 1/2-1/2

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.08"]
[Round "2"]
[White "Piasecki, Andrzej"]
[Black "Sklepinski, Artur"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1331"]
[BlackElo "1751"]
[PlyCount "63"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e5 3. c4 d4 4. h3 Bc5 5. e4 d3 6. Nf3 Nf6 7. Nc3 Nc6 8. 0-0 0-0 9. Re1 Nb4 10. Rb1 c6 11. a3 Nc2 12. Rf1 h5 13. g5 Nh7 14. h4 Bg4 15. b4 Bd4 16. b5 f5 17. Bb2 Bxc3 18. Qc1 Bxb2 19. Rxb2 Bxf3 20. Bxf3 Nd4 21. Bxh5 fxe4 22. bxc6 bxc6 23. Rb7 Ne2+ 24. Bxe2 dxe2 25. Re1 Qc8 26. Rb3 Qg4+ 27. Rg3 Qxh4 28. g6 Ng5 29. Kg2 Rxf2+ 30. Kxf2 Qh2+ 31. Ke3 Qxg3+ 32. Kxe2 0-1

[Event "Poznan op 21st"]
[Site "Poznan"]
[Date "2013.08.07"]
[Round "1"]
[White "Niekras, Dawid"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1968"]
[BlackElo "1331"]
[PlyCount "55"]
[EventDate "2013.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. Nf3 e6 4. Bd3 c5 5. c3 c4 6. Bc2 Bb7 7. 0-0 Nf6 8. Qe2 d5 9. e5 Ne4 10. Nbd2 Nxd2 11. Bxd2 h6 12. h3 Nc6 13. Nh2 h5 14. f4 f5 15. exf6 Qxf6 16. Nf3 0-0-0 17. Ne5 Nxe5 18. fxe5 Qe7 19. Bg6 Rd7 20. Rf7 Qd8 21. Bxh5 Rxf7 22. Bxf7 Qe7 23. Rf1 Bc6 24. Qg4 Qh4 25. Qxh4 Rxh4 26. Bxe6+ Bd7 27. Rxf8+ Kc7 28. Rf7 1-0

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "2"]
[White "Nowak, Mikolaj"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1572"]
[BlackElo "1322"]
[PlyCount "76"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 a6 3. Nf3 h6 4. Bd3 d5 5. exd5 Qxd5 6. Be3 Nf6 7. Nbd2 Nbd7 8. h3 e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Nc4 Qc7 12. 0-0 c5 13. Re1 Be6 14. a4 a5 15. Qd2 Nd5 16. f4 Nxe3 17. Qxe3 Be7 18. f5 Bd5 19. Re2 Kd8 20. Nb6 Qxb6 21. Qxe7+ Kc8 22. c4 Bc6 23. Qxf7 Kb8 24. Qxg7 Ka7 25. Qc3 Rhg8 26. Rf1 Rg3 27. f6 Rag8 28. Rff2 Qd8 29. f7 Rf8 30. Rd2 Qd7 31. Qxa5+ Kb8 32. Qxc5 Rxf7 33. Rxf7 Qxh3 34. Rf8+ Kc7 35. Rc8+ Qxc8 36. Qe5+ Kb6 37. Qxg3 Bxa4 38. Qd6+ Ka5 1-0

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "7"]
[White "Piasecki, Andrzej"]
[Black "Bzdega, Bartlomiej"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1322"]
[PlyCount "104"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. g5 e5 4. d3 Be6 5. Nc3 Ne7 6. e4 d4 7. Nce2 Ng6 8. Nf3 Be7 9. h4 Bg4 10. h5 Bxf3 11. Bxf3 Nf8 12. Ng3 Bxg5 13. Bxg5 Qxg5 14. Nf5 Ne6 15. Nd6+ Ke7 16. Nxb7 Nd7 17. Na5 c5 18. Qd2 Qxd2+ 19. Kxd2 Nf4 20. c4 Rhf8 21. Bg4 Nf6 22. Bf3 Kd6 23. a3 Rab8 24. Rab1 Nd7 25. b4 Rb6 26. b5 a6 27. a4 axb5 28. axb5 Ra8 29. Ra1 Ne6 30. Nc6 Rf8 31. Bg4 g6 32. hxg6 hxg6 33. Bxe6 Kxe6 34. Ra6 Rxa6 35. bxa6 Ra8 36. a7 Kd6 37. Nb8 Nxb8 38. axb8Q+ Rxb8 39. Ra1 Rb2+ 40. Ke1 Kc6 41. Ra7 f5 42. Ra6+ Rb6 43. Rxb6+ Kxb6 44. exf5 gxf5 45. f4 exf4 46. Kf2 Ka5 47. Kf3 Kb4 48. Kxf4 Kc3 49. Ke5 Kxd3 50. Kd5 f4 51. Kxc5 f3 52. Kd6 Kxc4 0-1

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Chojnacki, Tomasz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1322"]
[BlackElo "1889"]
[PlyCount "88"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 Nf6 4. Qb3 Nbd7 5. cxd5 Nb6 6. Nc3 Rc8 7. e4 c6 8. f3 Bh5 9. Bh3 Rc7 10. dxc6 Rxc6 11. Bf1 a6 12. d3 e6 13. Be3 Qd6 14. Be2 Qb4 15. Bxb6 Qxb3 16. axb3 Rxb6 17. Bd1 Bb4 18. Nh3 0-0 19. Nf4 e5 20. Ng2 Rd8 21. Ke2 Rc6 22. Rc1 Rdc8 23. Kd2 b5 24. Ne3 Kf8 25. Rg1 Bc5 26. Rg5 b4 27. Nc4 bxc3+ 28. Kxc3 Be3 29. Rxh5 Nxh5 30. Ra1 Nf4 31. b4 Rd8 32. Bc2 Ne2+ 33. Kb3 Nd4+ 34. Kc3 Nxf3 35. Ra5 Bd2+ 36. Kb3 Nd4+ 37. Ka4 Nxc2 38. Nxd2 Rxd3 39. Nb3 Rb6 40. b5 axb5+ 41. Rxb5 Rxb5 42. Kxb5 Rxb3+ 43. Kc4 Nd4 44. Kd5 f6 0-1

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "5"]
[White "Piasecki, Andrzej"]
[Black "Chojnacki, Wojciech"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1322"]
[BlackElo "1545"]
[PlyCount "96"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. h3 e5 2. e3 d5 3. b3 g6 4. Ba3 Bxa3 5. Nxa3 Qe7 6. Qc1 a6 7. c4 d4 8. g4 dxe3 9. dxe3 Qb4+ 10. Ke2 Bd7 11. Nc2 Qc3 12. Rb1 Bc6 13. f3 e4 14. Qb2 exf3+ 15. Nxf3 Qxb2 16. Rxb2 Nd7 17. Ncd4 Be4 18. Rg1 Nc5 19. Nd2 0-0-0 20. Nxe4 Nxe4 21. Bg2 Ngf6 22. Bxe4 Nxe4 23. b4 Rhe8 24. Kf3 c5 25. bxc5 Nxc5 26. Rd2 Ne4 27. Rd3 Nc5 28. Rd2 Rd7 29. Nb3 Nd3 30. Rb1 Ne5+ 31. Kf4 Nxc4 32. Rxd7 Kxd7 33. Nc5+ Kc6 34. Ne4 Rxe4+ 35. Kxe4 Nd2+ 36. Ke5 Nxb1 37. Kf6 Nc3 38. Kxf7 Nxa2 39. e4 b5 40. e5 Nc3 41. Kg7 b4 42. Kxh7 b3 43. Kxg6 b2 44. h4 b1Q+ 45. Kh6 Qb4 46. h5 Qf4+ 47. g5 Qxe5 48. Kg6 Ne4 0-1

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "9"]
[White "Piasecki, Andrzej"]
[Black "Choremska, Zuzanna"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1322"]
[BlackElo "1384"]
[PlyCount "46"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Be6 6. Qe4 Bd6 7. f3 Nf6 8. Qc2 0-0 9. Nc3 Nbd7 10. d3 Nb6 11. h4 Nfd5 12. a3 Qc7 13. Ne4 Be7 14. g5 Qd8 15. Nh3 f5 16. Ng3 Nc7 17. f4 exf4 18. Bxf4 Bd6 19. 0-0-0 Bxf4+ 20. Nxf4 Bd7 21. Rdf1 Qe7 22. Qc3 Qe3+ 23. Kb1 Qxg3 1-0

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Wittig, Zenon"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1322"]
[BlackElo "1590"]
[PlyCount "78"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. g5 g6 5. d4 cxd3 6. Qxd3 Qxd3 7. exd3 Bg7 8. Ne2 e6 9. d4 Ne7 10. Be4 Nd5 11. Bxd5 cxd5 12. Nbc3 a6 13. Bf4 Bd7 14. Bd6 Bc6 15. 0-0 Nd7 16. f4 Nb6 17. b3 Nc8 18. Be5 Bxe5 19. fxe5 Ne7 20. Ng3 h6 21. gxh6 Rxh6 22. Rf6 Rh7 23. a4 Nf5 24. Nxf5 gxf5 25. Ra2 Rg7+ 26. Rg2 Rxg2+ 27. Kxg2 Ke7 28. Rh6 Rg8+ 29. Kf2 Rg4 30. Ke3 Rg2 31. Ne2 b5 32. a5 b4 33. Kf3 Rg8 34. Ng3 Rb8 35. Nxf5+ Kd8 36. Nd6 Ke7 37. Rh7 Be8 38. h4 Ra8 39. h5 Ra7 1-0

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "8"]
[White "Stoklosa, Stanislaw"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1318"]
[BlackElo "1322"]
[PlyCount "60"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 a6 2. Nc3 b5 3. Nf3 Bb7 4. d4 e6 5. Bd3 c5 6. 0-0 c4 7. Be2 Nf6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Qd2 d5 11. e5 Be7 12. Nd1 h6 13. c3 g5 14. Ne3 h5 15. Ne1 Nd7 16. g3 f5 17. f4 g4 18. N1g2 h4 19. Ne1 hxg3 20. hxg3 Bh4 21. gxh4 Qxh4 22. N1g2 Qh1+ 23. Kf2 Qh6 24. Ke1 0-0-0 25. b4 Qg7 26. a4 bxa4 27. Rxa4 Rh2 28. Qa2 Rdh8 29. Kd2 Rh1 30. Rxh1 Rxh1 1/2-1/2

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "6"]
[White "Szymanski, Leszek"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1798"]
[BlackElo "1322"]
[PlyCount "79"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 g5 2. g3 g4 3. e4 h5 4. Nc3 Bg7 5. Bg2 c6 6. d3 e5 7. Be3 Na6 8. Qd2 Bh6 9. f4 exf4 10. Bxf4 Bxf4 11. Qxf4 Qf6 12. Nge2 Qxf4 13. Nxf4 Nb4 14. Kd2 d6 15. h3 Nf6 16. Rae1 Be6 17. a3 Na6 18. b4 Nc7 19. h4 0-0-0 20. Rhf1 Rh6 21. Rf2 Nd7 22. Ref1 Ne5 23. a4 a6 24. Nce2 c5 25. b5 axb5 26. axb5 Bxc4 27. dxc4 Nxc4+ 28. Kd3 Ne5+ 29. Kc2 Nxb5 30. Nd5 Na3+ 31. Kb3 Nec4 32. Rxf7 Nd2+ 33. Kxa3 Nxf1 34. Rxf1 b5 35. Rf5 b4+ 36. Kb3 Kb7 37. Rf7+ Kb8 38. Nef4 Rhh8 39. Bf1 Rhe8 40. Ba6 1-0

[Event "Poznan op"]
[Site "Poznan"]
[Date "2012.??.??"]
[Round "4"]
[White "Zakrzewski, Bartosz"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1545"]
[BlackElo "1322"]
[PlyCount "123"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. Nf3 b5 4. Bd3 c5 5. c3 c4 6. Bc2 Bb7 7. 0-0 g6 8. Bg5 f6 9. Bf4 Bh6 10. Bxh6 Nxh6 11. Nbd2 Nc6 12. d5 Ne7 13. dxe6 dxe6 14. Qe2 e5 15. a4 Kf7 16. Rad1 Qb6 17. b3 cxb3 18. Bxb3+ Kg7 19. axb5 axb5 20. Ra1 Rxa1 21. Rxa1 Ra8 22. Rxa8 Bxa8 23. Qd3 Ng4 24. Qe2 h5 25. h3 Nh6 26. Qd3 Qb8 27. Qd7 Qf8 28. Qxb5 Bc6 29. Qc5 g5 30. Nh2 g4 31. hxg4 hxg4 32. Nhf1 Qd8 33. f3 Kf8 34. Kf2 gxf3 35. gxf3 Qd7 36. Ke2 Nf7 37. Ne3 Qd6 38. Qxd6 Nxd6 39. Nd5 Bxd5 40. exd5 Nef5 41. Ne4 Ke7 42. Kd3 Nh4 43. Bd1 Ng2 44. Nxd6 Kxd6 45. c4 f5 46. Kc3 Nf4 47. Bc2 Ne2+ 48. Kb4 Nd4 49. Bd1 e4 50. fxe4 fxe4 51. Kc3 Ke5 52. Bh5 Nf5 53. Bg4 Nd6 54. Bd1 Nf5 55. Bb3 Kd6 56. Bc2 Ke5 57. Bxe4 Kxe4 58. Kb4 Kd4 59. d6 Nxd6 60. c5 Nc4 61. Kb5 Ne5 62. c6 1/2-1/2

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.08"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Muller, Marcin"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1665"]
[PlyCount "40"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c4 c6 4. cxd5 cxd5 5. Qb3 e4 6. h3 Nc6 7. e3 Ne5 8. Qb5+ Qd7 9. Qxd7+ Bxd7 10. Bf1 h5 11. gxh5 Nf6 12. b3 Nxh5 13. Bb2 Bd6 14. Nc3 Bc6 15. 0-0-0 a6 16. d4 exd3 17. Bg2 Rc8 18. Kb1 Nf6 19. f4 Ned7 20. Rxd3 Nc5 0-1

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.07"]
[Round "2"]
[White "Kaluzny, Tomasz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1635"]
[PlyCount "71"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. f4 b5 4. Nf3 c5 5. c3 Bb7 6. Bd3 c4 7. Bc2 d5 8. e5 f5 9. exf6 Nxf6 10. 0-0 Qb6 11. Ne5 h5 12. Bg6+ Ke7 13. Nf7 Rg8 14. Ng5 Bc8 15. Bxh5 g6 16. Bf3 Nc6 17. Re1 Nd8 18. Qe2 Bh6 19. Qe3 Qc6 20. Nd2 Bxg5 21. fxg5 Nh7 22. Bg4 a5 23. Nf3 Nf7 24. Ne5 Nxe5 25. Qxe5 Ra6 26. Bf4 b4 27. Re3 bxc3 28. bxc3 a4 29. Rae1 Qb5 30. Qc7+ Qd7 31. Rxe6+ Rxe6 32. Bxe6 Qxc7 33. Bxg8+ Kf8 34. Bxc7 Bb7 35. Bxh7 Kg7 36. Re7+ 1-0

[Event "Poznan op 21th"]
[Site "Poznan"]
[Date "2011.08.06"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Kowara, Magdalena"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1876"]
[PlyCount "56"]
[EventDate "2011.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 Be6 4. Qb3 Nf6 5. Nc3 Nbd7 6. cxd5 Bf5 7. Qxb7 Nb6 8. e4 Bc8 9. Qc6+ Bd7 10. Qc5 e5 11. Qe3 Ng4 12. Qg3 Bc5 13. Nh3 h5 14. Nd1 h4 15. Qf3 Rh6 16. Ne3 Nxe3 17. dxe3 Rg6 18. Qh5 Qf6 19. Bf1 Bg4 20. Qh8+ Ke7 21. Qh7 Rh6 22. Qxh6 gxh6 23. f4 Bf3 24. fxe5 Qxe5 25. Rg1 Qxe4 26. Kf2 Nxd5 27. Bg2 Bxe3+ 28. Bxe3 Qxe3+ 0-1

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.23"]
[Round "8"]
[White "Piasecki, Andrzej"]
[Black "Stefanski, Stefan"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1503"]
[PlyCount "87"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 g6 2. Bg2 d5 3. c4 Nf6 4. g5 Ne4 5. d3 Nd6 6. cxd5 Bg7 7. Nc3 e6 8. h4 exd5 9. Bxd5 c6 10. Bb3 Na6 11. h5 Qa5 12. Bd2 Qc7 13. hxg6 fxg6 14. Nf3 Nc5 15. d4 Ne6 16. e3 Bd7 17. Qc2 0-0-0 18. Bxe6 Bxe6 19. 0-0-0 Rhf8 20. Ne5 Bxe5 21. dxe5 Nc4 22. f4 Rh8 23. Rh2 Qb6 24. b3 Nxe3 25. Qe4 Nxd1 26. Nxd1 Bf5 27. Qb4 Qa6 28. Kb2 Qd3 29. Ne3 Qb1+ 30. Ka3 Rd7 31. Nc4 b6 32. Nd6+ Kc7 33. Qc3 Qf1 34. Nxf5 gxf5 35. e6 Rdd8 36. e7 Rde8 37. Qg7 Qa6+ 38. Kb2 Qc8 39. Rxh7 Rxh7 40. Qxh7 Qd7 41. Bc3 Rxe7 42. Be5+ Kc8 43. Qh6 Qd2+ 44. Ka3 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.22"]
[Round "7"]
[White "Choremska, Zuzanna"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1469"]
[PlyCount "133"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 g5 2. d4 Bg7 3. Bxg5 c5 4. Be3 cxd4 5. Bxd4 Qa5+ 6. Bc3 Bxc3+ 7. Nxc3 Nf6 8. Nf3 Nxe4 9. Qd5 Qxd5 10. Nxd5 Kd8 11. Ne5 Rf8 12. Bd3 f5 13. f3 Nc5 14. 0-0-0 d6 15. Nc4 Be6 16. Nde3 Nxd3+ 17. Rxd3 f4 18. Nd5 Nc6 19. Nd2 b5 20. a3 a5 21. Ne4 Rf5 22. Ndc3 Kc7 23. Rhd1 Rd8 24. Nd5+ Bxd5 25. Rxd5 Rxd5 26. Rxd5 b4 27. a4 Rg8 28. Rg5 Rxg5 29. Nxg5 h6 30. Ne6+ Kd7 31. Nxf4 e5 32. Ne2 d5 33. Kd2 Ke6 34. Ke3 Ne7 35. Nc1 h5 36. Nb3 Nc6 37. Nc5+ Kf5 38. h4 d4+ 39. Kf2 Kf4 40. g3+ Kf5 41. Ke2 Ne7 42. Nb7 Nc6 43. Kd3 e4+ 44. fxe4+ Kg4 45. Nd6 Kxg3 46. Nf5+ Kg4 47. b3 Kh3 48. Nxd4 Nxd4 49. Kxd4 Kxh4 50. e5 Kg5 51. Kd5 h4 52. e6 h3 53. e7 h2 54. Kc5 h1Q 55. e8Q Qb7 56. Qe5+ Kg4 57. Qd4+ Kg3 58. Qd6+ Kf2 59. Qd4+ Ke2 60. Qd3+ Kf2 61. Qd2+ Kf1 62. Qd1+ Kf2 63. Qd2+ Kf1 64. Qd3+ Kf2 65. Qf5+ Ke2 66. Qg4+ Kd2 67. Qd4+ 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.21"]
[Round "6"]
[White "Michalak, Roman"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "62"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 h6 2. c4 b6 3. Nf3 Bb7 4. Nc3 e6 5. a3 Nf6 6. Bf4 Nh5 7. Be3 d5 8. cxd5 exd5 9. g3 Nf6 10. Bg2 Ne4 11. 0-0 Nxc3 12. bxc3 Bd6 13. Nd2 0-0 14. c4 g6 15. Qb3 dxc4 16. Nxc4 b5 17. Nd2 a5 18. d5 a4 19. Qa2 c5 20. Rad1 f5 21. Nf3 Kh8 22. Rc1 Na6 23. Nh4 Kh7 24. Qb1 Qd7 25. Bd2 g5 26. Nxf5 Be5 27. Nh4+ Kg8 28. Ng6 Rfe8 29. Nxe5 Rxe5 30. e4 c4 31. Bc3 Re7 1-0

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.20"]
[Round "5"]
[White "Piasecki, Andrzej"]
[Black "Jarmuzek, Jaroslaw"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1386"]
[PlyCount "78"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e5 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Qd4 6. Qxd4 exd4 7. g5 Bc5 8. d3 Ne7 9. Nf3 Nd5 10. a3 Be6 11. b4 Bb6 12. Ne5 Nd7 13. Nc4 Nc3 14. Nd6+ Ke7 15. Nxb7 Bd5 16. Bxd5 Nxd5 17. 0-0 Rab8 18. Na5 Bxa5 19. bxa5 Rhe8 20. e4 Nc3 21. Bd2 Rb3 22. Nxc3 dxc3 23. Be3 Ne5 24. Rfd1 c2 25. Rdc1 Rb2 26. Bd4 Nf3+ 27. Kg2 Nxd4 28. Rf1 Reb8 29. Kg3 Rb1 30. f4 Rxa1 31. Rxa1 Rb1 32. Ra2 c1Q 33. Rf2 Qe3+ 34. Kg2 Qxd3 35. e5 Ke6 36. h4 Rd1 37. h5 Rd2 38. h6 g6 39. a6 Qf3+ 0-1

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.19"]
[Round "4"]
[White "Burzynski, Wladyslaw"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "121"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 a6 2. Nf3 e6 3. e3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 b5 6. c4 bxc4 7. Bxc4 d5 8. Bd3 Bd7 9. 0-0 Bb5 10. Qc2 Nf6 11. Rac1 Bxd3 12. Qxd3 Qd7 13. Ne5 Qd6 14. Rc2 0-0 15. Rfc1 Rc8 16. h3 Nbd7 17. Rc6 Qb4 18. Nxd7 Nxd7 19. Rxc7 Rxc7 20. Rxc7 Nf8 21. Qc2 Qb5 22. Nf3 Rb8 23. b3 a5 24. Ne5 f6 25. Nc6 Ra8 26. Ne7+ Kh8 27. Rc8 Qb7 28. Rxa8 Qxa8 29. Qc8 Qxc8 30. Nxc8 Nd7 31. Kf1 e5 32. Ne7 Nb6 33. Ke2 g6 34. Kd3 e4+ 35. Kc3 Kg7 36. Nc6 a4 37. Kb4 axb3 38. axb3 Nd7 39. Kb5 Kf7 40. Nb4 Ke6 41. Kc6 f5 42. Nc2 g5 43. b4 h5 44. b5 h4 45. b6 g4 46. b7 g3 47. fxg3 hxg3 48. Kc7 Ke7 49. b8Q Nxb8 50. Kxb8 Ke6 51. Kc7 f4 52. exf4 Kf5 53. Kd6 Kxf4 54. Kxd5 e3 55. h4 e2 56. h5 Kg5 57. Ke4 Kxh5 58. Ne1 Kg5 59. d5 Kf6 60. Nf3 Ke7 61. Ke3 1-0

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.18"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Kaluzny, Jacek"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1552"]
[PlyCount "69"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 d5 2. g5 e6 3. f4 f5 4. d4 Bd6 5. Nf3 Ne7 6. Bg2 0-0 7. h4 Bd7 8. h5 c6 9. h6 g6 10. Ne5 Be8 11. a3 a5 12. b3 Nd7 13. Bb2 Nxe5 14. dxe5 Bc5 15. Bd4 Qb6 16. e3 Bd7 17. 0-0 Rfc8 18. Nc3 Bxd4 19. Qxd4 Qxd4 20. exd4 b5 21. b4 Rc7 22. Ra2 Nc8 23. Rfa1 a4 24. Bf1 Nb6 25. Nd1 Rd8 26. Nf2 Be8 27. Nd3 Nd7 28. Kf2 Kf7 29. Ke3 Ke7 30. Nc5 Nxc5 31. bxc5 Rb8 32. c3 Rbb7 33. Rb1 Bd7 34. Bd3 Rc8 35. Rbb2 1/2-1/2

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.17"]
[Round "2"]
[White "Jablonski, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1618"]
[PlyCount "121"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 e6 3. Bc4 h6 4. Nc3 c5 5. a4 g5 6. Qe2 Bg7 7. h3 Ne7 8. Qe3 b6 9. d4 cxd4 10. Nxd4 Bb7 11. Bd2 Nbc6 12. Nxc6 Nxc6 13. Bd3 Bd4 14. Qg3 Be5 15. f4 gxf4 16. Bxf4 Bxf4 17. Qxf4 Qg5 18. g3 Qxf4 19. gxf4 Nb4 20. Rg1 d5 21. exd5 Nxd5 22. Nxd5 exd5 23. Rg7 Ke7 24. Kd2 Rag8 25. Rag1 Rxg7 26. Rxg7 Kf6 27. Rg4 a5 28. Bb5 Bc8 29. Rg3 Bf5 30. Rc3 Rc8 31. Rxc8 Bxc8 32. Bf1 Kf5 33. Ke3 d4+ 34. Kf3 Bb7+ 35. Kg3 Bc6 36. b3 Be4 37. Bd3 Bxd3 38. cxd3 h5 39. h4 f6 40. Kf3 Ke6 41. Ke4 Kd6 42. Kxd4 Kc6 43. Kc4 f5 44. d4 Kd6 45. d5 Kc7 46. Kb5 Kd6 47. Kxb6 Kxd5 48. Kxa5 Ke4 49. Kb6 Kxf4 50. a5 Kg3 51. a6 f4 52. a7 f3 53. a8Q f2 54. Qh1 Kf4 55. b4 Kg3 56. b5 f1Q 57. Qxf1 Kxh4 58. Kc5 Kg3 59. b6 h4 60. b7 h3 61. b8Q+ 1-0

[Event "Poznan op 20th"]
[Site "Poznan"]
[Date "2011.07.16"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Rys, Marek"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1811"]
[PlyCount "111"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 Qc7 5. Nc3 Bd7 6. Qb3 e6 7. dxc6 Bxc6 8. Bxc6+ Nxc6 9. Nf3 Nf6 10. d3 Rd8 11. Na4 Qb8 12. a3 a6 13. Nc3 Be7 14. Bg5 b5 15. Ne4 Nxe4 16. Bxe7 Nxe7 17. dxe4 Qf4 18. Qe3 Qxe3 19. fxe3 0-0 20. Rd1 Rxd1+ 21. Kxd1 Rd8+ 22. Kc2 Nc6 23. b4 f6 24. Rd1 Rxd1 25. Kxd1 e5 26. Kc2 Kf7 27. Kb3 Ke7 28. a4 Kd6 29. axb5 axb5 30. Nh4 g6 31. Nf3 Nd8 32. Ne1 Ne6 33. Kc3 Ng5 34. Kd3 Nh3 35. Nf3 Nf2+ 36. Kc2 Nxe4 37. Kd3 Kd5 38. Ne1 Nf2+ 39. Kd2 Kc4 40. Nc2 Ne4+ 41. Kd1 Kb3 42. Kc1 g5 43. Kb1 Nc3+ 44. Kc1 Na2+ 45. Kd2 Nxb4 46. Ne1 e4 47. Nc2 Nd5 48. h4 h6 49. Kc1 Ka2 50. h5 b4 51. Ne1 b3 52. Nc2 b2+ 53. Kd2 b1Q 54. Nd4 Qb2+ 55. Ke1 Qc3+ 56. Kf2 0-1

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.07"]
[Round "7"]
[White "Dura, Rafal"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1504"]
[PlyCount "71"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 g5 2. d4 Bg7 3. Bxg5 c5 4. Nf3 Qb6 5. b3 cxd4 6. Bd3 Nc6 7. Nbd2 h6 8. Bf4 Nf6 9. Nc4 Qb4+ 10. Bd2 Qc5 11. Qc1 d5 12. exd5 Nxd5 13. a3 Nc3 14. b4 Qh5 15. Bxc3 dxc3 16. Qe3 Be6 17. 0-0 Rd8 18. Rfe1 Nd4 19. Nxd4 Bxd4 20. Qe4 Qd5 21. Qe2 Qg5 22. Kh1 Rg8 23. f3 Qd2 24. Nxd2 cxd2 25. Qxd2 Bxa1 26. Rxa1 Rg5 27. Rd1 f5 28. Bb5+ Kf7 29. Qxd8 a6 30. Qe8+ Kf6 31. Qf8+ Bf7 32. Bc4 Rg7 33. Bxf7 Rxf7 34. Qxh6+ Ke5 35. f4+ Ke4 36. Qe6+ 1-0

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.06"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Wittig, Zenon"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1677"]
[PlyCount "100"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 e6 4. Qb3 Nd7 5. cxd5 Rb8 6. dxe6 Bxe6 7. Qa4 Bc5 8. b4 Bxf2+ 9. Kxf2 Qf6+ 10. Nf3 Qxa1 11. Nc3 Ngf6 12. d3 Qxc3 13. a3 Nd5 14. Bd2 Qc6 15. b5 Qb6+ 16. e3 Nc5 17. Qc4 Nxe3 18. Qc3 Nf5 19. Ke2 Rd8 20. Ne5 Qxb5 21. Qb4 Qxb4 22. axb4 Nd7 23. Nxd7 Rxd7 24. Bxb7 0-0 25. Be4 Nd4+ 26. Kf2 Bd5 27. Bxd5 Rxd5 28. Ra1 Nb3 29. Rxa7 Nxd2 30. Rxc7 Rxd3 31. b5 Rdd8 32. b6 Rb8 33. b7 Nb3 34. Rc8 Rfxc8 35. bxc8Q+ Rxc8 36. Ke3 f5 37. Kf4 g6 38. h4 Kg7 39. h5 Rc4+ 40. Ke5 Rh4 41. hxg6 hxg6 42. Kd5 Re4 43. Kd6 g5 44. Kd5 g4 45. Kd6 g3 46. Kd5 g2 47. Kd6 g1Q 48. Kd5 Qd4+ 49. Kc6 Qc5+ 50. Kd7 Re7+ 0-1

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.05"]
[Round "5"]
[White "Ratajczak, Mateusz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1528"]
[PlyCount "101"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 e6 3. Nc3 h6 4. d4 c5 5. Be3 Qa5 6. Be2 Nf6 7. 0-0 d5 8. exd5 cxd4 9. Bxd4 Nxd5 10. Nxd5 Qxd5 11. c4 Qa5 12. Ne5 Nc6 13. f4 Nxd4 14. Kh1 Nxe2 15. Qxe2 h5 16. f5 Bd6 17. Nxf7 Kxf7 18. fxe6+ Ke8 19. Qd3 Be5 20. Qg6+ Ke7 21. Qf7+ Kd6 22. Rad1+ Kc6 23. e7 Bg4 24. Qg6+ Kc7 25. Qf7 Kc6 26. Rd5 Qc7 27. b4 Rhe8 28. Rc5+ Kb6 29. Rxc7 Kxc7 30. Re1 Bf6 31. Qd5 Bxe7 32. Qe5+ Bd6 33. Qxg7+ Bd7 34. Rd1 Re7 35. Qd4 Bxb4 36. c5 Be1 37. Qf4+ Kd8 38. Qf8+ Re8 39. Qf6+ Kc8 40. Qd6 Bc6 41. Qg6 Ba5 42. Qf5+ Kc7 43. Qf7+ Kc8 44. Qxh5 Re1+ 45. Rxe1 Bxe1 46. Qh8+ Kc7 47. Qxa8 b6 48. Qa7+ Kd8 49. cxb6 Bf2 50. Qc7+ Ke8 51. Qxc6+ 1-0

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.04"]
[Round "4"]
[White "Piasecki, Andrzej"]
[Black "Adamczyk, Wieslaw"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1591"]
[PlyCount "85"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. g5 e5 4. h4 Be6 5. d3 Nd7 6. Nd2 Ne7 7. e4 d4 8. Bh3 Bxh3 9. Rxh3 Nc5 10. Nc4 f6 11. gxf6 gxf6 12. Qh5+ Kd7 13. Qf7 Rg8 14. Rg3 Rxg3 15. fxg3 b5 16. Nd2 Bh6 17. Qxf6 Ng6 18. Qxd8+ Rxd8 19. Ndf3 Bxc1 20. Rxc1 h5 21. b3 Kd6 22. Ke2 Nd7 23. Rf1 Rf8 24. Nh2 Rxf1 25. Kxf1 Nf6 26. b4 c5 27. a3 cxb4 28. axb4 Ne7 29. Ne2 Nc6 30. c3 dxc3 31. Nxc3 Nxb4 32. Nxb5+ Kc5 33. Nxa7 Kd4 34. Nf3+ Kxd3 35. Nxe5+ Kxe4 36. Nac6 Nc2 37. Kf2 Ne3 38. Ng6 Nf5 39. Nf4 Ng4+ 40. Kg2 Nfe3+ 41. Kg1 Nf6 42. Kf2 Neg4+ 43. Ke2 1/2-1/2

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.03"]
[Round "3"]
[White "Brewka, Emilia"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1346"]
[PlyCount "53"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 e6 3. d4 h6 4. Nc3 b5 5. Bd3 Nf6 6. Bd2 c5 7. Be3 c4 8. Be2 Bb4 9. e5 Nd5 10. Bd2 0-0 11. Nxd5 Bxd2+ 12. Qxd2 exd5 13. 0-0 d6 14. Rfe1 Nc6 15. c3 dxe5 16. Nxe5 Nxe5 17. dxe5 Be6 18. Rad1 Ra7 19. Bf3 Rd7 20. Qd4 Qa8 21. Bg4 Qa7 22. h3 Qxd4 23. Rxd4 g5 24. Bxe6 fxe6 25. Ree4 Rdf7 26. Re2 Kg7 27. b3 1/2-1/2

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.02"]
[Round "2"]
[White "Koper, Konrad"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1664"]
[PlyCount "81"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. b4 a6 2. c4 b5 3. cxb5 axb5 4. e3 Bb7 5. Nf3 c6 6. Bb2 e6 7. Bd3 Nf6 8. Qb3 Na6 9. a3 d5 10. 0-0 Ne4 11. Nc3 f5 12. Rac1 h5 13. Rfd1 Ng5 14. Ne5 Bd6 15. Nxb5 cxb5 16. Bxb5+ Ke7 17. Ng6+ Kf7 18. Nxh8+ Qxh8 19. Bc6 Bxc6 20. Rxc6 Qb8 21. Qc3 e5 22. Qb3 Ke6 23. Bxe5 Kxe5 24. f4+ Ke6 25. fxg5 Nc7 26. Qc3 Ne8 27. Rc1 Qb7 28. e4 fxe4 29. Qh3+ Ke7 30. Qxh5 Qa7+ 31. Kh1 Qxa3 32. Rf1 Qa1 33. Qf7+ Kd8 34. g3 Ra7 35. Rc8+ Kxc8 36. Qxe8+ Kb7 37. Rxa1 Rxa1+ 38. Kg2 Bxb4 39. Qb5+ Kc7 40. Qxb4 Kc6 41. Qc3+ 1-0

[Event "Poznan op 19th"]
[Site "Poznan"]
[Date "2010.08.01"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Szymanski, Leszek"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1862"]
[PlyCount "132"]
[EventDate "2010.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. g4 d6 2. Bg2 e5 3. c4 Ne7 4. Qb3 Nbc6 5. h3 Rb8 6. Nc3 Be6 7. Nd5 Na5 8. Qa4+ c6 9. Nxe7 Bxe7 10. d3 b5 11. cxb5 cxb5 12. Qd1 0-0 13. Nf3 f5 14. gxf5 Bxf5 15. e4 Bg6 16. Be3 Rb7 17. Nd2 Nc6 18. a3 Bg5 19. 0-0 Rbf7 20. Nf3 Bxe3 21. fxe3 Bh5 22. Qb3 Kh8 23. Nh2 Rxf1+ 24. Rxf1 Rxf1+ 25. Nxf1 a6 26. Ng3 Bg6 27. Qe6 Ne7 28. d4 Qc7 29. Nf5 Nc8 30. Qb3 Qc4 31. Qxc4 bxc4 32. dxe5 dxe5 33. Kf2 Kg8 34. Ke2 Kf7 35. Kd2 Bxf5 36. exf5 Nd6 37. e4 Kf6 38. Kc3 a5 39. a4 Kg5 40. Bf1 Nxe4+ 41. Kxc4 Nd2+ 42. Kb5 Nxf1 43. Kxa5 Kxf5 44. Kb6 e4 45. a5 e3 46. a6 e2 47. a7 e1Q 48. a8Q Qf2+ 49. Kb5 Qxb2+ 50. Kc5 Qc2+ 51. Kd6 Qd3+ 52. Kc7 Qc4+ 53. Kb6 Qe6+ 54. Kb5 Ne3 55. Qf3+ Kg6 56. Qg3+ Kf7 57. Qc7+ Kf6 58. Qd8+ Kg6 59. Qh4 Qf5+ 60. Kc6 Qf6+ 61. Qxf6+ Kxf6 62. Kc5 Kf5 63. Kd4 Kf4 64. Kd3 Kf3 65. Kd2 h5 66. Kd3 g5 0-1

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.26"]
[Round "9"]
[White "Piasecki, Andrzej"]
[Black "Polak, Karol"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "120"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g4 e6 2. Bg2 c6 3. h3 Na6 4. a3 Nf6 5. e4 Bc5 6. e5 Nd5 7. Bxd5 cxd5 8. d4 Be7 9. Nf3 f6 10. h4 fxe5 11. dxe5 0-0 12. g5 Rf5 13. b4 Qc7 14. Bb2 Qc4 15. Qe2 Qxe2+ 16. Kxe2 b5 17. Bd4 Bb7 18. Nbd2 Rc8 19. c3 d6 20. a4 Nc7 21. exd6 Bxd6 22. Bxa7 bxa4 23. Rxa4 Nb5 24. Bd4 Nxc3+ 25. Bxc3 Rxc3 26. Nd4 Re5+ 27. Kd1 Bb8 28. Re1 Rxe1+ 29. Kxe1 Rd3 30. Nxe6 Rh3 31. b5 Rc3 32. Rb4 Bd6 33. Rb3 Rc1+ 34. Ke2 Rh1 35. Nf3 Kf7 36. Ned4 Bc5 37. Nc6 Rc1 38. Nfe5+ Ke8 39. Rd3 d4 40. Nxd4 Bb4 41. Ndc6 Bxc6 42. bxc6 Re1+ 43. Kf3 Rxe5 44. Re3 Rxe3+ 45. fxe3 Bd6 46. Kg4 g6 47. h5 Ke7 48. hxg6 hxg6 49. Kf3 Ke6 50. e4 Ke5 51. Ke3 Bc7 52. Kd3 Kd6 53. Kd4 Bb6+ 54. Kc4 Kxc6 55. e5 Kd7 56. Kd5 Be3 57. e6+ Ke7 58. Ke5 Bxg5 59. Kd5 Bf6 60. Ke4 Kxe6 0-1

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.25"]
[Round "8"]
[White "Jarmuzek, Karolina"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "120"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. Nc3 b5 4. a3 Bb7 5. Bd3 c5 6. Nf3 c4 7. Be2 d5 8. exd5 exd5 9. Bf4 Bd6 10. Bxd6 Qxd6 11. 0-0 Nf6 12. Ne5 0-0 13. f4 Ne4 14. Nxe4 dxe4 15. c3 f6 16. Ng4 h5 17. Ne3 h4 18. f5 Kf7 19. a4 Nd7 20. axb5 axb5 21. Rxa8 Rxa8 22. b3 Qa3 23. Nxc4 bxc4 24. Bxc4+ Ke7 25. Qc1 Qxc1 26. Rxc1 Nb6 27. Be2 Ra2 28. Bf1 Nd5 29. c4 Ne3 30. Rb1 Nxf1 31. Kxf1 Bc8 32. d5 Bxf5 33. c5 e3 34. Re1 Bd3+ 35. Kg1 e2 36. Kf2 Be4 37. g3 hxg3+ 38. hxg3 Bxd5 39. b4 Bc4 40. Rc1 Bb5 41. c6 Ra8 42. Rc5 Bxc6 43. Rxc6 Kd7 44. Rc4 Rb8 45. Kxe2 Rb5 46. Kf3 Ke6 47. Ke4 f5+ 48. Kf4 g6 49. Kg5 Kf7 50. Rc7+ Ke8 51. Kxg6 Rxb4 52. Kxf5 Rb5+ 53. Kg4 Rb4+ 54. Kh5 Rb5+ 55. Kh4 Rb4+ 56. g4 Rb1 57. g5 Kf8 58. Kh5 Rb5 59. Kh6 Rb1 60. g6 Rh1+ 1/2-1/2

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.25"]
[Round "7"]
[White "Piasecki, Andrzej"]
[Black "Heinrich, Zuzanna"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "75"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 e5 3. c4 Be6 4. Nc3 c6 5. Qb3 d4 6. Qxb7 Nd7 7. Ne4 Qc8 8. Qxc8+ Rxc8 9. d3 Bxg4 10. a3 c5 11. Nf3 Ne7 12. Nd6+ Kd8 13. Nxc8 Kxc8 14. b4 Ng6 15. b5 h6 16. h4 Bd6 17. a4 Re8 18. e4 f5 19. Ng1 fxe4 20. Bxe4 Nf4 21. Bxf4 exf4 22. f3 Bh5 23. Kf2 Nf6 24. Re1 Kc7 25. a5 Rb8 26. a6 Nd7 27. Bc6 Nb6 28. Nh3 Na4 29. Rhg1 Rg8 30. Re4 Nb2 31. Ke2 g5 32. hxg5 hxg5 33. Rxg5 Bg6 34. Rxg6 Rxg6 35. Nf2 Rg2 36. Kf1 Rg3 37. Re8 Rxf3 38. Bxf3 1-0

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.24"]
[Round "6"]
[White "Nowicki, Jakub"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "120"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 b6 2. d4 Ba6 3. Nbd2 d5 4. g3 e6 5. Bg2 c5 6. c3 c4 7. 0-0 Bd6 8. Re1 Ne7 9. e4 Bb7 10. e5 Bc7 11. h4 h6 12. Nh2 Nbc6 13. b3 b5 14. Rb1 Rb8 15. bxc4 bxc4 16. Ndf1 Ba8 17. Rxb8 Qxb8 18. Qc2 Ba5 19. Ba3 Qc7 20. Rb1 0-0 21. Bc1 f5 22. exf6 Rxf6 23. Ng4 Rg6 24. Bf4 Qd8 25. Ne5 Nxe5 26. Bxe5 Bb6 27. h5 Rg5 28. Qe2 Rf5 29. Bh3 Qf8 30. Bxf5 Qxf5 31. Re1 Bc6 32. Bxg7 Qe4 33. Bxh6 Qxe2 34. Rxe2 Bd7 35. g4 Kh7 36. Bg5 Nc6 37. Kg2 Ba5 38. Re3 Bxc3 39. Rxc3 Nxd4 40. f3 a5 41. Kf2 Nb5 42. Rc1 c3 43. Ke2 d4 44. a4 Nc7 45. Ra1 Nd5 46. Kd3 e5 47. Re1 Nb4+ 48. Kc4 Bxa4 49. Rxe5 Nc6 50. Rc5 c2 51. Kd5 Nb4+ 52. Kxd4 Na2 53. Rxa5 Bb3 54. Rc5 Kg7 55. Ke5 Nb4 56. Rc7+ Bf7 57. Kf5 Kf8 58. Kf6 Nd5+ 59. Kf5 Nxc7 60. h6 Kg8 1/2-1/2

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.22"]
[Round "5"]
[White "Piasecki, Andrzej"]
[Black "Hoffmann, Piotr"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "176"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g4 Nc6 2. Bg2 d5 3. h3 e5 4. e4 d4 5. d3 Be7 6. Nf3 Be6 7. a3 Qd7 8. Ng5 Bxg5 9. Bxg5 f6 10. Bd2 0-0-0 11. f4 exf4 12. Bxf4 Ne5 13. Nd2 Ne7 14. Nb3 N7c6 15. Nc5 Qe7 16. Nxe6 Qxe6 17. Qd2 g5 18. Bxe5 Nxe5 19. Qe2 Ng6 20. b3 Nf4 21. Qf3 Qd6 22. 0-0 Qe5 23. h4 h5 24. gxh5 Rxh5 25. Qg4+ Kb8 26. hxg5 fxg5 27. Qf5 Re8 28. Qxe5 Rxe5 29. Rf2 c5 30. Raf1 Re8 31. Bf3 Rh4 32. Rh2 Reh8 33. Rxh4 Rxh4 34. Rb1 b5 35. a4 b4 36. Rd1 Kc7 37. Rd2 Kd6 38. Rh2 Rxh2 39. Kxh2 Ke5 40. Kg3 Kf6 41. Bg4 Ng6 42. Bf5 Ne5 43. Bh3 Kg6 44. Be6 a5 45. Bf5+ Kh5 46. Bh3 Ng6 47. Bf1 Nf4 48. e5 Nd5 49. e6 Kg6 50. Bg2 Nf4 51. Bh3 Kf6 52. Bg4 Nxe6 53. Kf3 Ke5 54. Bh5 Ng7 55. Bg6 Kf6 56. Be4 Nf5 57. Bc6 Ne3 58. Ke4 Ke6 59. Bb7 Kd6 60. Ba6 Nxc2 61. Kf5 g4 62. Kxg4 Ke5 63. Kf3 Ne3 64. Bb5 Nd5 65. Ba6 Nc3 66. Bc4 Kf5 67. Bg8 Na2 68. Bc4 Nc1 69. Kg3 Ne2+ 70. Kf3 Nf4 71. Kg3 Ke5 72. Kf3 Ng6 73. Kg3 Kf5 74. Kf3 Ne5+ 75. Ke2 Nxc4 76. bxc4 Kf4 77. Kd2 Kf3 78. Kd1 Ke3 79. Kc2 Ke2 80. Kb2 Kxd3 81. Kb3 Ke2 82. Kc2 d3+ 83. Kc1 d2+ 84. Kc2 d1Q+ 85. Kb2 Kd3 86. Ka2 Kxc4 87. Kb2 b3 88. Ka3 Qc1# 0-1

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.22"]
[Round "4"]
[White "Stefanski, Stefan"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "55"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 b6 2. Nf3 Ba6 3. d3 d5 4. exd5 Qxd5 5. Nc3 Qb7 6. Be3 Nc6 7. Be2 0-0-0 8. a3 e5 9. Qc1 Nd4 10. Bxd4 exd4 11. Ne4 f6 12. 0-0 Nh6 13. Nfd2 Qa8 14. Bf3 Bb7 15. Qd1 f5 16. Ng5 Bxf3 17. Ndxf3 Qd5 18. Re1 Bd6 19. c4 dxc3 20. bxc3 Rhe8 21. Qd2 Ng4 22. c4 Qg8 23. Rxe8 Qxe8 24. h3 Nf6 25. Re1 Qd7 26. Ne5 Bxe5 27. Rxe5 Re8 28. Re2 1/2-1/2

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.21"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Dixa, Stanislaw"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "146"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. g5 e5 4. h4 Be7 5. d4 e4 6. f3 f5 7. f4 h6 8. Nc3 hxg5 9. hxg5 Rxh1 10. Bxh1 Nd7 11. e3 g6 12. Qe2 Nb6 13. b3 Bb4 14. Bd2 Ba3 15. Bc1 Qe7 16. Qd2 Bb4 17. a3 Ba5 18. Bb2 Qh7 19. Bg2 Qh4+ 20. Qf2 Qh5 21. Nge2 Be6 22. 0-0-0 Qh7 23. b4 Bxb4 24. axb4 Qe7 25. Na2 Nc4 26. c3 a5 27. Kc2 a4 28. Bf1 a3 29. Ba1 b5 30. Nec1 Nb6 31. Nb3 Qa7 32. Na5 Nc4 33. Bxc4 bxc4 34. Rh1 0-0-0 35. Qe1 Bd7 36. Qc1 c5 37. Qxa3 cxd4 38. cxd4 Bb5 39. Nc3 Be8 40. Bb2 Rd7 41. Bc1 Qb6 42. Na4 Qb5 43. Kc3 Ra7 44. Nc5 Qb6 45. Bd2 Ne7 46. Rh7 Nc6 47. Rxa7 Nxa7 48. Kc2 Nb5 49. Qb2 Nc7 50. Qa2 Na6 51. Nxa6 Qxa6 52. Bc3 Qa7 53. Kb2 Qh7 54. Nxc4 Qh2+ 55. Nd2 Bc6 56. Qa6+ Kc7 57. b5 Bb7 58. Qxg6 Qe2 59. b6+ Kb8 60. Qg8+ Bc8 61. Qxd5 Qxe3 62. b7 Bxb7 63. Qxf5 Qe2 64. Kb3 e3 65. Nc4 Qd1+ 66. Qc2 e2 67. Nd6 Bc6 68. g6 Ba4+ 69. Kxa4 Qxc2+ 70. Kb4 Qxg6 71. Kc5 Qc2 72. Kd5 Qxc3 73. Ne4 Qf3 0-1

[Event "Poznan op-B 18th"]
[Site "Poznan"]
[Date "2009.07.19"]
[Round "1"]
[White "Piechota, Izabela"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1756"]
[PlyCount "83"]
[EventDate "2009.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 b6 2. g3 Ba6 3. Bg2 c6 4. Nc3 b5 5. a3 e6 6. d3 d5 7. exd5 exd5 8. Nge2 Bc5 9. 0-0 Nf6 10. h3 h6 11. Nf4 0-0 12. Na2 Nbd7 13. c3 Re8 14. Nb4 Bxb4 15. axb4 Bb7 16. Be3 a5 17. bxa5 Rxa5 18. Qc2 Rxa1 19. Rxa1 Ne5 20. Ne2 Qc7 21. Nd4 Ra8 22. Rxa8+ Bxa8 23. Bf4 Qe7 24. Qe2 Nfd7 25. Nc2 Ng6 26. Qxe7 Nxe7 27. d4 g5 28. Bd6 Nf5 29. Bb4 f6 30. Ne3 Nxe3 31. fxe3 f5 32. Bf3 Nf6 33. g4 fxg4 34. hxg4 Bb7 35. Kg2 Bc8 36. Kg3 Kg7 37. Bd6 Kg6 38. Be5 Ne4+ 39. Kg2 Nf6 40. Bxf6 Kxf6 41. Kg3 Ke6 42. Be4 1/2-1/2

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.19"]
[Round "9.12"]
[White "Szczepaniak, Artur"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "94"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. Nf3 h6 4. Be2 b5 5. 0-0 Bb7 6. Nbd2 d5 7. exd5 Bxd5 8. c4 Bc6 9. b3 Nf6 10. Bb2 Bd6 11. Rc1 Ng4 12. Ne5 Nxe5 13. dxe5 Be7 14. a3 0-0 15. Qc2 f5 16. Rfd1 Qe8 17. Bf3 Bxf3 18. Nxf3 c5 19. Rd3 Nc6 20. Rcd1 b4 21. Qd2 Rd8 22. Rxd8 Qxd8 23. Qxd8 Rxd8 24. Rxd8+ Bxd8 25. Ne1 Be7 26. Nd3 Kf7 27. Kf1 g5 28. Ke2 Na5 29. axb4 Nxb3 30. bxc5 Nxc5 31. Bd4 Nxd3 32. Kxd3 Ke8 33. c5 Kd7 34. Kc4 Kc6 35. f3 a5 36. g3 a4 37. h3 a3 38. Kb3 Bxc5 39. Bc3 Kd5 40. g4 f4 41. Ka2 Bd4 42. Bb4 Bxe5 43. Bf8 Bf6 44. Kxa3 e5 45. Kb3 e4 46. fxe4+ Kxe4 47. Bxh6 f3 0-1

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.18"]
[Round "8.14"]
[White "Piasecki, Andrzej"]
[Black "Kucharczak, Dawid"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "95"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c4 dxc4 4. Qa4+ Qd7 5. Qxd7+ Bxd7 6. Bxb7 Bc6 7. Bxa8 Bxh1 8. Bxh1 Nf6 9. h3 Nbd7 10. Na3 Bxa3 11. bxa3 0-0 12. Rb1 Nb6 13. Bb2 Re8 14. e4 h5 15. f3 hxg4 16. fxg4 Nfd7 17. Ne2 f6 18. Nc3 c6 19. Ke2 Nc5 20. Nd1 Nd3 21. Nf2 Rd8 22. Nxd3 cxd3+ 23. Ke1 Nc4 24. Bc1 Nb6 25. Bf3 c5 26. Rb5 Rc8 27. Bd1 c4 28. a4 c3 29. Bb3+ Kf8 30. dxc3 Rxc3 31. Kd2 Rc7 32. Ba3+ Ke8 33. a5 Nc4+ 34. Bxc4 Rxc4 35. Rb8+ Kf7 36. Rb7+ Kg6 37. Rxa7 Ra4 38. Bf8 Kg5 39. Rxg7+ Kf4 40. Kxd3 Rxe4 41. Bc5 Ra4 42. a3 Rxa5 43. Be7 f5 44. gxf5 e4+ 45. Ke2 Rxf5 46. Bd6+ Re5 47. Bxe5+ Kxe5 48. h4 1-0

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.17"]
[Round "7.12"]
[White "Kaluzny, Tomasz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "100"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 a6 2. e4 e6 3. Nf3 h6 4. Be3 b5 5. Bd3 Bb7 6. 0-0 Nf6 7. Nbd2 d5 8. e5 Ne4 9. Qe2 f5 10. a4 g5 11. axb5 f4 12. bxa6 fxe3 13. axb7 Rxa1 14. Rxa1 exf2+ 15. Kf1 Bb4 16. Nxe4 dxe4 17. Bxe4 0-0 18. c3 Be7 19. Qd3 Rf7 20. Ra8 g4 21. Nd2 Bg5 22. Nc4 Bh4 23. g3 Bg5 24. Bg6 Rg7 25. Kxf2 Kh8 26. Kg2 h5 27. Be4 h4 28. d5 hxg3 29. hxg3 exd5 30. Qxd5 Rd7 31. Qxd7 Qxd7 32. Rxb8+ Kg7 33. Rg8+ Kxg8 34. b8Q+ Kg7 35. Qb7 Bd8 36. Qc6 Qd1 37. Qg6+ Kf8 38. Qh6+ Kg8 39. Bh7+ Kf7 40. Qg6+ Ke7 41. Qf6+ Kd7 42. Bf5+ Ke8 43. Qe6+ Kf8 44. Bxg4 Qc2+ 45. Kf3 Qd3+ 46. Kf4 Qf1+ 47. Ke4 Qg2+ 48. Kf4 Qf2+ 49. Bf3 Bg5+ 50. Kxg5 Qxf3 1-0

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.12"]
[Round "6.14"]
[White "Piasecki, Andrzej"]
[Black "Zacharzewski, Kamil"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 Bc5 3. e3 d6 4. c4 Nc6 5. a3 a5 6. h3 Be6 7. b3 Nge7 8. Bb2 Bb6 9. f4 exf4 10. exf4 g6 11. Bxh8 f5 12. Bf6 Qd7 13. Nc3 0-0-0 14. Nf3 fxg4 15. hxg4 Bxg4 16. Qe2 Re8 17. Rxh7 Ng8 18. Rxd7 Rxe2+ 19. Kxe2 Kxd7 20. Bg5 Nd4+ 21. Kd3 Bxf3 22. Bxf3 Nxf3 23. Rh1 Nxg5 24. fxg5 Ke6 25. Rf1 Bc5 26. a4 Ne7 27. Nb5 c6 28. Nd4+ Ke5 29. Re1+ Kf4 30. Ne6+ Kf5 31. Nxc5 dxc5 32. Rxe7 b6 33. Rb7 1-0

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.11"]
[Round "5.11"]
[White "Jablonski, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1608"]
[PlyCount "95"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 h6 3. Bc4 e6 4. Nc3 c5 5. a4 Nc6 6. 0-0 Nd4 7. Nxd4 cxd4 8. Ne2 Bc5 9. Ng3 d5 10. exd5 exd5 11. Bd3 Nf6 12. Re1+ Be6 13. Bf5 Qe7 14. Qe2 Kd7 15. Qf3 Qd6 16. d3 Rae8 17. Bf4 Qc6 18. Be5 h5 19. Bxf6 gxf6 20. Nxh5 Bxf5 21. Qxf5+ Kd8 22. Qxf6+ Qxf6 23. Nxf6 Re6 24. Nxd5 Rhe8 25. Rxe6 Rxe6 26. Nf4 Re5 27. g3 Bb4 28. Kg2 Ke7 29. Kf3 a5 30. h4 Kf6 31. g4 Kg7 32. Ne2 Rd5 33. Ke4 Rd7 34. Nxd4 Bc5 35. Nf5+ Kg6 36. d4 Be7 37. c4 Bb4 38. f4 f6 39. h5+ Kh7 40. g5 fxg5 41. fxg5 Rc7 42. g6+ Kg8 43. c5 Bxc5 44. dxc5 Rxc5 45. h6 b5 46. b3 b4 47. Rd1 Rxf5 48. Kxf5 1-0

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.10"]
[Round "4.16"]
[White "Jarmuzek, Karolina"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "92"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. Nf3 h6 4. c4 c5 5. d5 d6 6. Nc3 e5 7. Bd3 Ne7 8. 0-0 f5 9. Qc2 f4 10. b3 Bg4 11. Qe2 Nd7 12. h3 Bxf3 13. Qxf3 Nf6 14. Bd2 Qd7 15. a3 g5 16. b4 g4 17. hxg4 Nxg4 18. Qd1 h5 19. bxc5 dxc5 20. Be2 Ng6 21. Qa4 Bd6 22. Qxd7+ Kxd7 23. Na4 Rab8 24. Nb6+ Ke7 25. g3 Nf6 26. Bd3 h4 27. gxf4 Nxf4 28. Bxf4 exf4 29. Rfe1 Be5 30. Rad1 Bd4 31. e5 Ng4 32. Re2 f3 33. Red2 Nxe5 34. Re1 Kd6 35. Bf5 Bc3 36. Nd7 Rbg8+ 37. Kf1 Bxd2 38. Rxe5 Re8 39. Rxe8 Rxe8 40. Kg1 Re1+ 41. Kh2 Rf1 42. Bh3 Rxf2+ 43. Kg1 Be3 44. Nf6 Ra2+ 45. Kh1 Ra1+ 46. Kh2 Bf4# 0-1

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.05"]
[Round "3.13"]
[White "Piasecki, Andrzej"]
[Black "Adamczyk, Wieslaw"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "119"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g4 d5 2. g5 e5 3. d4 e4 4. f4 Bd6 5. e3 Be6 6. Bh3 Bxh3 7. Nxh3 Qd7 8. Nf2 Ne7 9. Nc3 c6 10. h4 h5 11. gxh6 Rxh6 12. Bd2 Qf5 13. Qe2 Qh7 14. 0-0-0 Nf5 15. h5 Ng3 16. Qg4 Nf5 17. a3 Nd7 18. b4 Nf6 19. Qg2 0-0-0 20. Ng4 Nxg4 21. Qxg4 b5 22. Kb2 Kc7 23. Kb3 Rh8 24. a4 a6 25. axb5 axb5 26. Rdg1 Rxh5 27. Rxh5 Qxh5 28. Qg2 g6 29. Ne2 Qh3 30. c3 Nxe3 31. Qxh3 Rxh3 32. Bxe3 Rxe3 33. Rg2 Rf3 34. Kc2 Bxf4 35. Nxf4 Rxf4 36. Rg5 Kd7 37. Kd2 Rf5 38. Rg4 Ke6 39. Rg1 Rf2+ 40. Kc1 Kf5 41. Rh1 Kg4 42. Rh8 e3 43. Re8 Rf3 44. Rc8 Rf6 45. Kd1 Re6 46. Ke2 f5 47. Rf8 f4 48. Rf7 g5 49. Rf8 Kg3 50. Rf5 g4 51. Re5 Rf6 52. Kf1 Kf3 53. Rh5 Ke4 54. Rg5 g3 55. Ke2 f3+ 56. Kf1 Rh6 57. Rxg3 Rh1+ 58. Rg1 e2+ 59. Kf2 Rxg1 60. Kxg1 0-1

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.04"]
[Round "2.11"]
[White "Kucharczak, Sandra"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "73"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 h6 2. e4 a6 3. Nf3 e6 4. Nc3 b5 5. a3 c5 6. Bf4 Bb7 7. d5 d6 8. g3 e5 9. Be3 Nf6 10. Bh3 g5 11. Bf5 Bc8 12. Bxc8 Qxc8 13. Nd2 Nbd7 14. 0-0 Be7 15. Na2 Nf8 16. b3 Qg4 17. Qxg4 Nxg4 18. h3 Nxe3 19. fxe3 f6 20. Rab1 Nd7 21. c4 0-0 22. Nc3 b4 23. axb4 cxb4 24. Na4 Rfb8 25. Rbc1 Nc5 26. Nxc5 dxc5 27. Ra1 Kg7 28. g4 Rb6 29. Rf2 a5 30. Nf1 Rba6 31. Ra4 Rh8 32. Ng3 Kg6 33. Nf5 Bd8 34. Ng3 Ra7 35. Rd2 Rd7 36. Nh5 Rd6 37. Ng3 1/2-1/2

[Event "Poznan Pocztowiec-ch op"]
[Site "Poznan"]
[Date "2008.10.03"]
[Round "1.12"]
[White "Piasecki, Andrzej"]
[Black "Chojnacki, Tomasz"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1819"]
[PlyCount "74"]
[EventDate "2008.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 Nd7 4. cxd5 Ngf6 5. Nc3 Nb6 6. d6 Qxd6 7. Bxb7 Rb8 8. Bf3 Bd7 9. b3 e6 10. a4 Bc6 11. Ba3 Qd7 12. Bxf8 Kxf8 13. Bxc6 Qxc6 14. Nf3 Nbd5 15. Nxd5 Qxd5 16. Rb1 g5 17. h3 Rb4 18. d4 Ne4 19. Qc2 Kg7 20. Rg1 h6 21. h4 Rd8 22. hxg5 hxg5 23. e3 c6 24. Nd2 Nxd2 25. Kxd2 c5 26. Rg4 cxd4 27. Qb2 Qf5 28. Rg2 f6 29. Ke2 Rdb8 30. f4 Rxb3 31. Qxd4 Qc2+ 32. Kf3 Qc6+ 33. Kg3 Rxb1 34. fxg5 Qc7+ 35. Kf3 Rf1+ 36. Ke4 Qc6+ 37. Kd3 Rb3+ 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.27"]
[Round "9.41"]
[White "Polaski, Mieczyslaw"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "102"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 e6 3. d4 b5 4. c3 c5 5. e5 d5 6. Be3 c4 7. Nbd2 Be7 8. a3 h6 9. Be2 f5 10. exf6 Bxf6 11. Ne5 Bxe5 12. dxe5 Ne7 13. 0-0 Nbc6 14. f4 0-0 15. g4 d4 16. Bf2 Rxf4 17. Bg3 Rxf1+ 18. Qxf1 dxc3 19. Nf3 cxb2 20. Rb1 Nd5 21. Bh4 g5 22. Bf2 Nc3 23. Rxb2 Nxe2+ 24. Qxe2 Qd3 25. Qxd3 cxd3 26. Rd2 Bb7 27. Rxd3 Rd8 28. Rd6 Rxd6 29. exd6 Kf8 30. Bb6 Ke8 31. Bc7 Kd7 32. Kf2 a5 33. Ke3 b4 34. axb4 axb4 35. Kd2 Ba6 36. h3 Bc4 37. Kc2 Bd5 38. Ng1 Nd8 39. Ba5 b3+ 40. Kb2 Nf7 41. Bc3 Kxd6 42. Be1 Ke5 43. Bg3+ Ke4 44. h4 Ne5 45. Bxe5 Kxe5 46. hxg5 hxg5 47. Ne2 Ke4 48. Nc3+ Kf4 49. Nxd5+ exd5 50. Kxb3 Kxg4 51. Kc3 Kf3 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.26"]
[Round "8"]
[White "Piasecki, Andrzej"]
[Black "Walaszyk, Zbigniew"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "119"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c4 c6 4. cxd5 Bxg4 5. Qb3 Qc7 6. Nc3 Nf6 7. f3 Bd7 8. e4 Bd6 9. d3 Na6 10. Be3 Nc5 11. Qd1 Qa5 12. Ke2 Nh5 13. Bh3 Nf4+ 14. Bxf4 exf4 15. a3 Qb6 16. Bxd7+ Nxd7 17. b4 Qe3+ 18. Kf1 Be5 19. Rc1 Nf6 20. Rc2 0-0 21. Qe2 Qd4 22. Qd2 cxd5 23. Nge2 Qe3 24. Qxe3 fxe3 25. d4 Bxd4 26. Nxd4 dxe4 27. Nxe4 Nxe4 28. fxe4 Rac8 29. Ke2 Rfe8 30. Kxe3 f5 31. Rhc1 Rxe4+ 32. Kd3 Rd8 33. Rc8 Rexd4+ 34. Ke3 f4+ 35. Kf3 g5 36. Rxd8+ Rxd8 37. Rc7 Rd3+ 38. Kg4 f3 39. Kg3 h5 40. Rc5 h4+ 41. Kf2 Rxa3 42. Rxg5+ Kf7 43. h3 Kf6 44. Rg4 Ra2+ 45. Kf1 Ra1+ 46. Kf2 Ra2+ 47. Kf1 a5 48. Rxh4 a4 49. Rf4+ Kg5 50. Rxf3 a3 51. Ke1 Rb2 52. Rxa3 Rxb4 53. Kd2 b5 54. Kc2 Kh4 55. Rb3 Rc4+ 56. Rc3 Rf4 57. Kb3 Rf5 58. Kb4 Re5 59. Rc5 Rxc5 60. Kxc5 1/2-1/2

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.25"]
[Round "7"]
[White "Tychowska, Barbara"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "96"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 h6 2. Nf3 e6 3. Nbd2 a6 4. Nb3 Bb4+ 5. c3 Be7 6. Bf4 d6 7. e4 g5 8. Be3 g4 9. Nfd2 h5 10. Nc4 b5 11. Ncd2 Bg5 12. Bxg5 Qxg5 13. Qc2 Bb7 14. 0-0-0 Nf6 15. Bd3 c5 16. dxc5 dxc5 17. Nxc5 Qxc5 18. f3 Nc6 19. Nb3 Qe7 20. Rhe1 0-0-0 21. Kb1 Kb8 22. Qe2 Ne5 23. Bc2 Rxd1+ 24. Bxd1 Rd8 25. Qe3 Nc4 26. Qf4+ e5 27. Qg5 a5 28. Be2 a4 29. Nc1 Rg8 30. Qh4 Ne3 31. Qf2 Nc4 32. Bxc4 bxc4 33. Ne2 Qd6 34. Ng3 Rd8 35. a3 Qd2 36. Qxd2 Rxd2 37. Rg1 Bc8 38. Kc1 Rd3 39. Nf1 Kc7 40. Nd2 Be6 41. Rf1 Rd8 42. f4 exf4 43. Rxf4 Nd7 44. g3 Ne5 45. Rf1 Rd3 46. Rf2 Re3 47. Kc2 Nd3 48. Rg2 Ne1+ 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.24"]
[Round "6"]
[White "Piasecki, Andrzej"]
[Black "Zgarda, Marek"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "72"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e3 c6 2. a3 d5 3. b4 Bf5 4. Bb2 Nf6 5. Nf3 g6 6. c4 Bg7 7. cxd5 cxd5 8. Bb5+ Bd7 9. Nc3 0-0 10. 0-0 Bxb5 11. Nxb5 a6 12. Nc3 Nbd7 13. d4 Nb6 14. Nd2 Rc8 15. Rc1 h5 16. Na2 Rxc1 17. Qxc1 Ng4 18. Qc2 Qd6 19. g3 h4 20. Qd1 f5 21. f3 Nxe3 22. Qe2 Nxf1 23. Qxf1 hxg3 24. f4 gxh2+ 25. Kxh2 Kf7 26. Kg2 Rh8 27. Nb3 Rh4 28. Bc1 Bh6 29. Kg3 Rg4+ 30. Kh3 Bxf4 31. Bxf4 Rxf4 32. Qg2 Rg4 33. Qf2 Qe6 34. Nc5 Qc8 35. Nc3 e6 36. a4 Nd7 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.23"]
[Round "5"]
[White "Godawa, Pawel"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "104"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 a6 3. e4 b5 4. d5 d6 5. Be3 c5 6. Ng5 h5 7. Qf3 Qf6 8. c3 Qxf3 9. Nxf3 exd5 10. exd5 c4 11. Na3 Bb7 12. Rd1 Nf6 13. Be2 Bxd5 14. Bd4 Be6 15. Ng5 Nbd7 16. Bf3 d5 17. Nc2 Bc5 18. 0-0 0-0 19. a3 g6 20. Rfe1 Rfe8 21. Bxc5 Nxc5 22. Nd4 Bg4 23. h3 Bxf3 24. Rxe8+ Rxe8 25. Ngxf3 Nd3 26. Rd2 Ne4 27. Re2 f6 28. Kf1 Kf7 29. g3 Ng5 30. Rxe8 Kxe8 31. Nxg5 fxg5 32. Ne6 Kd7 33. Nxg5 Nxb2 34. Nf3 Kd6 35. Ke2 Nd3 36. Ke3 Nc5 37. Nh4 Ne4 38. f4 Nxc3 39. Nxg6 Ne4 40. g4 hxg4 41. hxg4 c3 42. Ne5 a5 43. g5 Ke6 44. Nd3 c2 45. Kd4 b4 46. axb4 axb4 47. Nc1 Nf2 48. g6 Nh3 49. g7 Kf7 50. f5 Kxg7 51. Nb3 Kf6 52. Kxd5 Kxf5 1/2-1/2

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.22"]
[Round "4"]
[White "Piasecki, Andrzej"]
[Black "Zielewicz, Piotr"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "58"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. g4 d6 4. d4 e5 5. d5 f5 6. e4 Ne7 7. c3 0-0 8. f3 c6 9. c4 b5 10. Qc2 bxc4 11. Qxc4 Ba6 12. Qa4 cxd5 13. Nc3 d4 14. Nd5 Nxd5 15. exd5 Qb6 16. Qb3 Nd7 17. Qxb6 Nxb6 18. f4 e4 19. Ne2 Nxd5 20. Bf1 d3 21. Ng3 Nb4 22. Kf2 Bd4+ 23. Kg2 e3 24. Bxd3 Bxd3 25. Rd1 Bb6 26. Kh3 Be4 27. a3 Nd5 28. Kh4 Nxf4 29. Nxe4 fxe4 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.21"]
[Round "3"]
[White "Markowska, Maria"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1775"]
[PlyCount "119"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 a6 2. d4 h6 3. Bd3 e6 4. Nf3 b5 5. c3 Bb7 6. Qc2 d5 7. e5 Be7 8. a4 b4 9. cxb4 Bxb4+ 10. Bd2 Nc6 11. 0-0 Qe7 12. Bc3 f5 13. exf6 Nxf6 14. Bg6+ Kd7 15. Nbd2 a5 16. Nb3 Ne4 17. Bxe4 dxe4 18. Qxe4 Nd8 19. Ne5+ Kc8 20. Qe3 Qg5 21. Qxg5 hxg5 22. Bxb4 axb4 23. Nc5 Bd5 24. Rfc1 c6 25. Ned3 Rh4 26. Nxb4 Rxd4 27. Nxd5 exd5 28. b3 Rb4 29. Rc3 Kc7 30. Kf1 Kd6 31. Re1 Ra5 32. Nd3 Re4 33. Rxe4 dxe4 34. Nb2 Rc5 35. Nc4+ Kd5 36. Rc2 Nb7 37. Rd2+ Ke6 38. Ke2 Rd5 39. Ke3 Nc5 40. Rxd5 Kxd5 41. Nd2 Ne6 42. Nxe4 c5 43. Nd2 Nd4 44. Kd3 Nc6 45. Ne4 Ne5+ 46. Ke3 Ng4+ 47. Kd3 Ne5+ 48. Ke3 Ng4+ 49. Kf3 Nxh2+ 50. Kg3 Nf1+ 51. Kf3 Nh2+ 52. Kg3 Nf1+ 53. Kf3 Nh2+ 54. Ke2 Kxe4 55. a5 Kd5 56. Kd3 Kc6 57. Kc4 Ng4 58. a6 Ne5+ 59. Kc3 Nd7 60. a7 1-0

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.20"]
[Round "2"]
[White "Piasecki, Andrzej"]
[Black "Nowak, Lukasz"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "50"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 Qc7 6. Nc3 e6 7. Qa4+ Nc6 8. Qxg4 Nb4 9. Rb1 Nf6 10. Qf3 d4 11. a3 Nc2+ 12. Kd1 dxc3 13. Kxc2 cxd2+ 14. Kxd2 Rd8+ 15. Ke1 Qc2 16. Qd3 Rxd3 17. exd3 Qxb1 18. Kd2 Bd6 19. Ne2 Qa2 20. Kc2 Nd5 21. h4 0-0 22. h5 Rc8+ 23. Kd2 Qb3 24. h6 Nf4 25. Nd4 Qxd3+ 0-1

[Event "Poznan op-B 17th"]
[Site "Poznan"]
[Date "2008.07.19"]
[Round "1"]
[White "Polarczyk, Pawel"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1798"]
[PlyCount "99"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 a6 2. d3 e6 3. g3 d5 4. Bg2 dxe4 5. dxe4 Qxd1+ 6. Kxd1 e5 7. Be3 Bd6 8. Nd2 b5 9. Ne2 Bb7 10. c3 Nd7 11. Nc1 Bc5 12. Re1 Ngf6 13. f3 0-0 14. Nd3 Bxe3 15. Rxe3 c5 16. c4 b4 17. Nb3 Rfc8 18. Na5 Rc7 19. Bh3 g5 20. Bf5 h5 21. h3 Kg7 22. Kc2 Rh8 23. Rd1 Bc8 24. Re2 Kf8 25. g4 h4 26. Red2 Kg7 27. Ne1 Nb8 28. Bxc8 Rhxc8 29. Ng2 Rd7 30. Rxd7 Nfxd7 31. Rd6 Rc7 32. Ne3 Nf8 33. Nf5+ Kh7 34. Rh6+ Kg8 35. Rb6 Ne6 36. Rxb8+ Kh7 37. Rb6 Nf4 38. Rxa6 Nxh3 39. Rh6+ Kg8 40. Nb3 Ng1 41. Nd2 Ra7 42. Rh5 f6 43. Rh6 Ra6 44. Nxh4 gxh4 45. Rxh4 Ne2 46. Rh2 Nd4+ 47. Kb1 Kg7 48. Rf2 Ra8 49. Nb3 Rc8 50. Nxd4 1-0

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.24"]
[Round "9"]
[White "Kerber, Joanna"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "81"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 h6 3. Bc4 e6 4. 0-0 b5 5. Bb3 c5 6. d3 Bb7 7. a3 Nf6 8. Nc3 Be7 9. Bf4 b4 10. axb4 cxb4 11. Ne2 d5 12. e5 Nfd7 13. d4 g5 14. Be3 g4 15. Ne1 Nc6 16. c4 bxc3 17. bxc3 a5 18. Nd3 Bg5 19. Qd2 Bxe3 20. Qxe3 Qg5 21. Qg3 f6 22. exf6 Qxf6 23. Qxg4 Ke7 24. Nef4 Rhg8 25. Qh3 Rg5 26. Rae1 Nd8 27. Re3 Kd6 28. Rfe1 Nf8 29. Rf3 Rf5 30. Re5 Rc8 31. Rxf5 exf5 32. Nxd5 Bxd5 33. Bxd5 Rxc3 34. g3 Qxd4 35. Qxh6+ Kc7 36. Qxf8 Qxd5 37. Qe7+ Kc8 38. Qe2 Nc6 39. Ne5 Nd4 40. Rxc3+ Kd8 41. Qe3 1-0

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.23"]
[Round "8"]
[White "Piasecki, Andrzej"]
[Black "Bankowski, Kazimierz"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "41"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 Be7 3. c4 Nf6 4. h3 0-0 5. d3 c5 6. Nc3 Nc6 7. f4 d6 8. e3 Nd7 9. Bd5 exf4 10. Nf3 fxe3 11. Bxe3 Nb4 12. Be4 Rb8 13. a3 Nc6 14. Nd5 Nf6 15. 0-0 Nxd5 16. Bxd5 Re8 17. Qd2 Bf6 18. Rab1 Nd4 19. Ng5 Re7 20. Ne4 Be6 21. g5 1-0

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.22"]
[Round "7"]
[White "Piasecki, Andrzej"]
[Black "Bogdanska, Katarzyna"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "92"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 Qd7 6. Nc3 e6 7. h3 Bf5 8. e4 dxe4 9. Nxe4 Bxe4 10. Bxe4 Nc6 11. Nf3 Nf6 12. Bd3 a6 13. a3 g6 14. Ng5 Nd4 15. Qd1 Qd5 16. Rg1 h6 17. Nxf7 Nf3+ 18. Ke2 Nxg1+ 19. Qxg1 Qh5+ 20. f3 Kxf7 21. b4 Qe5+ 22. Kd1 Qxa1 23. Bxg6+ Ke7 24. Qc5+ Kd7 25. Qb6 Rb8 26. Qe3 Rc8 27. Qd3+ Bd6 28. Qb1 Qxb1 29. Bxb1 Rhg8 30. Bb2 Rg1+ 31. Ke2 Rxb1 32. Bxf6 a5 33. bxa5 Bxa3 34. Bg7 h5 35. f4 Bb4 36. d3 Rh1 37. Kf3 Rxh3+ 38. Ke4 Bc3 39. d4 Rc4 40. Be5 Rh4 41. Bf6 Rxd4+ 42. Bxd4 Bxd4 43. Kxd4 Rxf4+ 44. Kc5 Kc7 45. Kb5 Rf5+ 46. Kb4 h4 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.21"]
[Round "6"]
[White "Jablonski, Grzegorz"]
[Black "Piasecki, Andrzej"]
[Result "1/2-1/2"]
[ECO "A40"]
[PlyCount "34"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 h6 2. g3 a6 3. Bg2 e6 4. Nf3 d5 5. Nbd2 c5 6. c4 b5 7. b3 cxd4 8. Nxd4 Bc5 9. N2f3 Nf6 10. a3 Bb7 11. cxb5 Ne4 12. Bb2 e5 13. Nxe5 Qa5+ 14. b4 Bxb4+ 15. axb4 Qxb4+ 16. Kf1 Qxb2 17. Bxe4 dxe4 1/2-1/2

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.20"]
[Round "5"]
[White "Piasecki, Andrzej"]
[Black "Wojciak, Pawel"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "72"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 Nc6 2. Bg2 d5 3. g5 Bf5 4. d3 e6 5. Nc3 Be7 6. e4 dxe4 7. Bxe4 Bxg5 8. Bxf5 exf5 9. Qe2+ Be7 10. Bg5 h6 11. Bxe7 Ngxe7 12. 0-0-0 0-0 13. Nf3 Nd4 14. Qe3 Nxf3 15. Qxf3 c6 16. Qh5 Qa5 17. Rhg1 Kh7 18. Rde1 Rae8 19. Re3 g6 20. Qh4 Nd5 21. Rxe8 Rxe8 22. Qa4 Qc5 23. Qh4 Nxc3 24. bxc3 Qxc3 25. Qa4 Qa1+ 26. Kd2 Qxg1 27. Kc3 Qe1+ 28. Kb3 Qxf2 29. Qa5 Qb6+ 30. Ka4 Qxa5+ 31. Kxa5 f4 32. c4 f3 33. d4 f2 34. d5 f1Q 35. dxc6 Qxc4 36. cxb7 Re5# 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.19"]
[Round "4"]
[White "Tychowska, Barbara"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "92"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 h6 3. d4 e6 4. c3 c5 5. Nbd2 cxd4 6. Nxd4 Bc5 7. N2b3 Bxd4 8. Nxd4 b5 9. Be2 Bb7 10. Bf3 d5 11. Qc2 Nf6 12. 0-0 dxe4 13. Be2 0-0 14. Be3 Nc6 15. Rfd1 Nxd4 16. Bxd4 Qc7 17. Bxf6 gxf6 18. Qd2 Kh7 19. Bf1 Rad8 20. Qe3 Rxd1 21. Rxd1 Rd8 22. Re1 f5 23. g3 Rg8 24. Bg2 Bd5 25. a3 Rd8 26. b4 Bb3 27. Bf1 Bc4 28. Bh3 Rd3 29. Qf4 Qxf4 30. gxf4 Rxh3 31. Rd1 Rxc3 32. Rd7 Kg6 33. Rd8 Rxa3 34. Rg8+ Kh7 35. Ra8 Ra4 36. Kg2 Rxb4 37. Rxa6 Ra4 38. Rb6 b4 39. Rb7 Kg7 40. f3 exf3+ 41. Kxf3 Bd5+ 42. Kg3 Bxb7 43. Kh4 b3 44. h3 b2 45. Kh5 b1Q 46. h4 Qd1# 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.18"]
[Round "2"]
[White "Grzesiak, Filip"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "87"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 h6 2. c4 a6 3. Nc3 e6 4. e4 c5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. Bf4 d6 9. Qd2 e5 10. Be3 Nf6 11. f3 c5 12. 0-0-0 Be7 13. g4 Bb7 14. Bd3 Qc7 15. Qc2 0-0-0 16. Rhg1 g5 17. Rg2 Nd7 18. Rdg1 Nb8 19. Nd5 Bxd5 20. exd5 Nd7 21. Qa4 Kb7 22. b4 Nb6 23. Qb3 Ka7 24. Qa3 Nd7 25. b5 Ra8 26. Rb2 a5 27. Bf5 Kb6 28. Qa4 Nf6 29. Rgg2 Ne8 30. Qc2 Ng7 31. a4 Bf6 32. Rb3 Qe7 33. h3 h5 34. Be4 hxg4 35. hxg4 Rh3 36. Rh2 Rah8 37. Rxh3 Rxh3 38. Qg2 Rh6 39. Rb2 Qf8 40. Rf2 Qh8 41. Kc2 Rh1 42. Bc1 Qh3 43. f4 Qxg2 44. Bxg2 1-0

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.18"]
[Round "3"]
[White "Piasecki, Andrzej"]
[Black "Barouky, Maciej"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "95"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. h3 e5 4. d4 e4 5. c4 Bd6 6. c5 Bc7 7. f4 Qh4+ 8. Kf1 Nf6 9. Qe1 Qxe1+ 10. Kxe1 0-0 11. e3 Na6 12. a3 b6 13. cxb6 axb6 14. Ne2 Bb7 15. Bd2 Rfe8 16. Kf2 c5 17. Nbc3 Bc6 18. Kg3 g6 19. h4 h5 20. g5 Nh7 21. Bh3 Bd6 22. Kg2 Nc7 23. f5 Kg7 24. f6+ Kg8 25. Rhb1 Nf8 26. Nd1 Nfe6 27. Bxe6 Nxe6 28. Bc3 Bb5 29. Kf2 Bd3 30. Rc1 c4 31. Bb4 Bb8 32. Rc3 Bxe2 33. Kxe2 Bg3 34. Nf2 Bxh4 35. Nh3 Nxg5 36. Nxg5 Bxg5 37. Be7 b5 38. Rg1 Rxe7 39. fxe7 Bxe7 40. Kd2 b4 41. Rcc1 bxa3 42. bxa3 Rxa3 43. Ra1 h4 44. Rxa3 Bxa3 45. Ra1 Bb2 46. Rg1 Kg7 47. Rg4 Kf6 48. Rxh4 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2004.07.17"]
[Round "1"]
[White "Piasecki, Andrzej"]
[Black "Ratajczak, Jedrzej"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "36"]
[EventDate "2004.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 c6 2. Bg2 d5 3. h3 e5 4. d4 Nd7 5. dxe5 Nxe5 6. Nf3 Bd6 7. Nbd2 Ne7 8. e4 Qb6 9. Nxe5 Bxe5 10. c3 Be6 11. Nb3 0-0-0 12. Be3 Qc7 13. Qc2 dxe4 14. Bxe4 g6 15. Nd4 Bd5 16. Rd1 Qd7 17. Bxd5 Qxd5 18. Ke2 Qc4+ 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2003.07.13"]
[Round "9"]
[White "Brudnicki, Marcin"]
[Black "Piasecki, Andrzej"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "88"]
[EventDate "2003.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 h6 2. e4 a6 3. f4 e6 4. Nf3 c5 5. c3 cxd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 Nf6 9. Qb3 d5 10. e5 Nh5 11. Qe3 g6 12. Be2 Bd7 13. 0-0 Bb5 14. g3 Bxe2 15. Qxe2 Nc6 16. Rfc1 Ng7 17. Nb3 h5 18. Qc2 Rc8 19. Kf2 Qb6 20. Qc5 Qxc5 21. Rxc5 0-0 22. a3 b6 23. Rc3 Na5 24. Nxa5 Rxc3 25. bxc3 bxa5 26. Ke2 Rb8 27. Ra2 Ne8 28. Nd2 a4 29. Kd3 Kg7 30. Kc2 Kh6 31. Rb2 Rxb2+ 32. Kxb2 h4 33. c4 hxg3 34. hxg3 Kh5 35. cxd5 exd5 36. Nf1 Kg4 37. Ne3+ Kxg3 38. Nxd5 Kf3 39. Kc3 Ke4 40. Kc4 Ng7 41. Nc3+ Kxf4 42. Nxa4 g5 43. Nc3 g4 44. a4 Kf3 1-0

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2003.07.12"]
[Round "8"]
[White "Cwietkow, Tomasz"]
[Black "Piasecki, Andrzej"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "122"]
[EventDate "2003.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 h6 2. c4 a6 3. Nf3 e6 4. e3 c5 5. Be2 cxd4 6. exd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 Nf6 9. 0-0 0-0 10. Bd3 d5 11. Qe2 Nc6 12. Nb3 Nb4 13. Qd2 Nxd3 14. Qxd3 dxc4 15. Qxc4 Bd7 16. a4 b5 17. axb5 Bxb5 18. Qc3 Bxf1 19. Kxf1 Nd5 20. Qd2 Qb6 21. Nc5 Qb4 22. Qc2 Rfb8 23. Rb1 Qb5+ 24. Kg1 Nb4 25. Qd2 Qc4 26. Rc1 Qd5 27. h3 a5 28. Qf4 Nc6 29. Nd3 Nb4 30. Nc5 Qf5 31. Qg3 Nd3 32. Nh4 Qxf2+ 33. Qxf2 Nxf2 34. Kxf2 Rxb2+ 35. Kg1 a4 36. Ra1 a3 37. Nd3 Rd2 38. Nb4 Rxd4 39. Nc2 Rxh4 40. Rxa3 Rxa3 41. Nxa3 Rf4 42. Nc2 Re4 43. Kf2 f5 44. Ne3 h5 45. Kf3 Ra4 46. Nc2 Kf7 47. g3 g5 48. Ke3 h4 49. Kf3 hxg3 50. Kxg3 Kf6 51. Kf3 e5 52. Kg3 e4 53. h4 gxh4+ 54. Kxh4 e3+ 55. Kg3 e2 56. Kf2 Re4 57. Ne1 Ke5 58. Kf3 Kd4 59. Nc2+ Kc3 60. Ne1 Kd2 61. Kf2 Rf4+ 0-1

[Event "Poznan op-B"]
[Site "Poznan"]
[Date "2003.07.12"]
[Round "7"]
[White "Piasecki, Andrzej"]
[Black "Sobczak, Igor"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "47"]
[EventDate "2003.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. g4 e5 2. Bg2 d5 3. c4 dxc4 4. Qa4+ Nc6 5. Bxc6+ bxc6 6. Qxc6+ Bd7 7. Qxc4 Nf6 8. g5 Be6 9. Qb5+ Nd7 10. h4 Bd6 11. Nc3 Rb8 12. Qd3 Nc5 13. Qe3 f6 14. b3 Nb7 15. d4 c5 16. d5 Bf5 17. Qf3 Qd7 18. e4 Bg4 19. Qg2 Bh5 20. Qh3 Qxh3 21. Rxh3 Be7 22. Nb5 Bd6 23. Nxa7 Ra8 24. Nc6 1/2-1/2

