[Event "Mazowiec-chT 1617"]
[Site "Warsaw"]
[Date "2017.02.05"]
[Round "10.5"]
[White "Piotrowicz, Jakub"]
[Black "Ossolinska, Matylda"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1450"]
[BlackElo "1560"]
[PlyCount "137"]
[EventDate "2016.12.11"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Nbd7 5. h3 e6 6. Bf4 Be7 7. cxd5 exd5 8. e3 0-0 9. Bd3 Re8 10. 0-0 Nf8 11. Qc2 Ng6 12. Bg3 Bd6 13. Bxd6 Qxd6 14. Bxg6 hxg6 15. Ne5 Nd7 16. f4 Qe7 17. Rf3 Nxe5 18. fxe5 Bf5 19. e4 dxe4 20. Nxe4 c5 21. Rxf5 gxf5 22. Nd6 cxd4 23. Nxe8 Rxe8 24. Qxf5 Qxe5 25. Qxe5 Rxe5 26. Kf2 d3 27. Re1 Rxe1 28. Kxe1 Kf8 29. Kd2 Ke7 30. Kxd3 Kd6 31. Kd4 b6 32. h4 f5 33. h5 Ke6 34. b4 Kd6 35. a4 Ke6 36. Kc4 Ke5 37. Kb5 Kf4 38. Ka6 Kg3 39. Kxa7 Kxg2 40. Kxb6 f4 41. a5 f3 42. a6 f2 43. a7 f1Q 44. a8Q+ Kg1 45. Qd5 Qf6+ 46. Kc5 Qf8+ 47. Kc4 Qf1+ 48. Kb3 Qb1+ 49. Ka4 Qa1+ 50. Kb5 Qf1+ 51. Qc4 Qh3 52. Qd4+ Kh2 53. Qf2+ Kh1 54. Qe1+ Kh2 55. Qe5+ Kh1 56. Qd5+ Kh2 57. Kb6 Qe3+ 58. Qc5 Qe6+ 59. Kb7 Qe4+ 60. Ka7 Kg3 61. b5 Qa4+ 62. Kb8 Kg4 63. b6 Qf4+ 64. Qc7 Qa4 65. Qxg7+ Kxh5 66. Qf7+ Kh6 67. Qf6+ Kh7 68. b7 Qe8+ 69. Kc7 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2016.12.11"]
[Round "2.11"]
[White "Bojarski, Maksymilian"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C40"]
[BlackElo "1450"]
[PlyCount "86"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Nd4 Qxd5 5. Nb3 Bf5 6. Nc3 Qe5 7. Qe2 Nc6 8. d3 exd3 9. cxd3 0-0-0 10. Qxe5 Nxe5 11. Be2 Nxd3+ 12. Bxd3 Bxd3 13. Bd2 Nf6 14. Nc1 Bc4 15. N1e2 Bc5 16. Rd1 Rhe8 17. Be3 Rxd1+ 18. Nxd1 Bxe3 19. Nxe3 Bxa2 20. 0-0 Nd5 21. Nxd5 Rxe2 22. Nc3 Rxb2 23. Nxa2 Rxa2 24. Re1 Kd7 25. Rc1 b5 26. Rc3 b4 27. Rb3 c5 28. h3 a5 29. Kf1 a4 30. Rd3+ Kc6 31. Ke1 b3 32. Rd1 a3 33. Rb1 Rb2 34. Ra1 a2 35. g4 c4 36. f4 c3 37. Kd1 Kc5 38. h4 Kd4 39. f5 Ke3 40. Kc1 Rf2 41. h5 b2+ 42. Kd1 c2+ 43. Ke1 bxa1Q# 0-1

[Event "Mazowiec-chT op 1516"]
[Site "Poland"]
[Date "2015.11.29"]
[Round "1.6"]
[White "Piotrowicz, Jakub"]
[Black "Tomaszewski, Jakub"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1364"]
[BlackElo "1222"]
[PlyCount "159"]
[EventDate "2015.11.29"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. Qb3 Nc6 6. e3 h6 7. Bxf6 Qxf6 8. cxd5 Bxc3+ 9. bxc3 exd5 10. Qxd5 a6 11. Bd3 0-0 12. Nf3 Rd8 13. Qe4 Be6 14. c4 Nb4 15. a3 Nxd3+ 16. Qxd3 c5 17. 0-0 Bg4 18. d5 Bxf3 19. gxf3 Qxf3 20. Qd1 Qe4 21. Qe2 Re8 22. Rae1 Re5 23. f3 Rg5+ 24. Kh1 Qe7 25. Rg1 Re8 26. Rxg5 Qxg5 27. e4 Qe5 28. Qe3 b6 29. Rb1 Rb8 30. a4 a5 31. Qd3 Qd6 32. Re1 Re8 33. Qc3 f6 34. Qd2 g5 35. Qg2 Qf4 36. Rb1 Rb8 37. Qg3 Qe5 38. Qxe5 fxe5 39. Kg2 Kf7 40. Kg3 Kf6 41. h4 Kg6 42. Kg4 Kf6 43. Rb2 Kg6 44. hxg5 hxg5 45. d6 Rb7 46. d7 Rxd7 47. Rxb6+ Kf7 48. Kxg5 Rd4 49. Kf5 Rxc4 50. Rb7+ Kg8 51. Kxe5 Rxa4 52. Kd5 Ra3 53. f4 Rf3 54. f5 Rf4 55. Ra7 c4 56. Rxa5 Kf7 57. Rc5 Kf6 58. Rxc4 Rxf5+ 59. exf5 Kxf5 60. Rc1 Kf4 61. Rc8 Ke3 62. Rc3+ Kf4 63. Kd4 Kf5 64. Re3 Kf4 65. Re1 Kf5 66. Re2 Kf6 67. Kd5 Kf7 68. Kd6 Kf8 69. Kd7 Kf7 70. Re6 Kg7 71. Kd6 Kf7 72. Ke5 Kg7 73. Ra6 Kf7 74. Rb6 Kg7 75. Kf5 Kh7 76. Rg6 Kh8 77. Kf6 Kh7 78. Rg1 Kh8 79. Kf7 Kh7 80. Rh1# 1-0

[Event "Mazowiec-chT op 1516"]
[Site "Poland"]
[Date "2015.11.29"]
[Round "2.7"]
[White "Piotrowicz, Jakub"]
[Black "Wilczynski, Adam"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1364"]
[BlackElo "1657"]
[PlyCount "161"]
[EventDate "2015.11.29"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bxf6 Qxf6 6. Nf3 c5 7. e3 0-0 8. Qb3 Nc6 9. dxc5 Qe7 10. Nd4 Qxc5 11. Nxc6 bxc6 12. Be2 Ba6 13. Rc1 d5 14. 0-0 Bxc3 15. Rxc3 d4 16. exd4 Qxd4 17. Rd1 Qc5 18. Qa3 Qxa3 19. Rxa3 Bc8 20. Bf3 Rb8 21. Bxc6 Bb7 22. Bxb7 Rxb7 23. b3 Rc8 24. g3 Kf8 25. Rd6 Ke7 26. Raa6 Rcc7 27. Kf1 Rd7 28. Rxd7+ Kxd7 29. Ke2 Rc7 30. Ra5 Kc6 31. f4 Kb6 32. Rb5+ Kc6 33. f5 exf5 34. Rxf5 Re7+ 35. Kd2 f6 36. Rf3 Re5 37. Re3 Rg5 38. h4 Rg4 39. Rd3 f5 40. Ke2 f4 41. Kf2 g5 42. hxg5 hxg5 43. gxf4 Rxf4+ 44. Rf3 Rh4 45. Rg3 g4 46. Rg2 Kc5 47. Kg3 Rh1 48. Kxg4 Kb4 49. Kf4 a5 50. Rc2 a4 51. bxa4 Kc5 52. Ke4 Rh4+ 53. Kd3 Rh3+ 54. Ke4 Ra3 55. a5 Rxa5 56. Kd3 Ra3+ 57. Rc3 Rxa2 58. Rb3 Ra1 59. Rb5+ Kc6 60. Rg5 Rd1+ 61. Kc2 Rf1 62. Kb3 Rb1+ 63. Kc2 Rh1 64. Re5 Rh3 65. Rd5 Rg3 66. Rd3 Rg5 67. Kc3 Kc5 68. Rh3 Rf5 69. Rg3 Rh5 70. Rd3 Rg5 71. Rd8 Rg3+ 72. Rd3 Rg5 73. Kb3 Rh5 74. Rg3 Re5 75. Kc3 Rh5 76. Rd3 Rg5 77. Rd1 Rh5 78. Rd8 Rh3+ 79. Rd3 Rh5 80. Rd8 Rh3+ 81. Rd3 1/2-1/2

[Event "Mazowiec-chT 1415"]
[Site "Warsaw"]
[Date "2015.02.08"]
[Round "3.5"]
[White "Pac, Maciej"]
[Black "Piotrowicz, Jakub"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1757"]
[BlackElo "1456"]
[PlyCount "104"]
[EventDate "2015.01.11"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 dxe4 5. Nc3 Bxe5 6. dxe5 Qxd1+ 7. Kxd1 Bg4+ 8. Be2 Bxe2+ 9. Kxe2 Nc6 10. Nxe4 Nxe5 11. Bf4 f6 12. Rad1 Ne7 13. b3 N7g6 14. Bg3 b6 15. Rd2 Ke7 16. Nc3 c6 17. f4 Nf7 18. Kf3 Rhd8 19. Re1+ Kf8 20. Red1 f5 21. Ne2 Rxd2 22. Rxd2 Rd8 23. Rxd8+ Nxd8 24. Nd4 Ne7 25. Bh4 c5 26. Bxe7+ Kxe7 27. Nxf5+ Kf6 28. Ne3 Nc6 29. c3 Ke6 30. g4 b5 31. Ke4 b4 32. cxb4 Nxb4 33. a3 Na2 34. Nd5 Nc1 35. f5+ Kd6 36. b4 cxb4 37. axb4 a6 38. g5 Na2 39. f6 gxf6 40. Nxf6 Nxb4 41. Nxh7 Ke6 42. h4 a5 43. h5 a4 44. Nf8+ Kf7 45. Nd7 a3 46. Nc5 a2 47. Nb3 Nc6 48. Kd5 Nd8 49. Ke5 Kg7 50. Kf5 Nf7 51. h6+ Nxh6+ 52. gxh6+ Kxh6 1/2-1/2

[Event "Mazowiec-chT 1415"]
[Site "Warsaw"]
[Date "2015.02.08"]
[Round "2.5"]
[White "Piotrowicz, Jakub"]
[Black "Czorniej, Antonina"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1456"]
[BlackElo "1578"]
[PlyCount "62"]
[EventDate "2015.01.11"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. e3 c5 7. dxc5 Qa5 8. Qd2 dxc4 9. Bxc4 Rd8 10. Bd3 Bf5 11. Nd4 Bxd3 12. Qxd3 Nd5 13. Bxb8 Raxb8 14. 0-0 Qxc5 15. Nxd5 Qxd5 16. Qa3 e5 17. Nf3 e4 18. Nd4 Bxd4 19. exd4 Qxd4 20. Rfe1 Rbc8 21. Qb3 b6 22. h3 Qd3 23. Qa4 Rc2 24. Rxe4 Rxb2 25. Re8+ Kg7 26. Rxd8 Qxd8 27. Rd1 Qf6 28. Rf1 a5 29. f3 Qc3 30. h4 Qd2 31. Qg4 Rxa2 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.08.02"]
[Round "11.134"]
[White "Piotrowicz, Jakub"]
[Black "Michalski, Filip"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1388"]
[BlackElo "1740"]
[PlyCount "83"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Wielkopolski OTSz Ostrow U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nc3 c6 7. Bd3 dxc4 8. Bxc4 b5 9. Bb3 a6 10. 0-0 Nbd7 11. Rc1 Bb7 12. Qe2 c5 13. Rfd1 Qb6 14. Ne5 Rfd8 15. Nxd7 Rxd7 16. dxc5 Rxd1+ 17. Nxd1 Qc6 18. f3 h6 19. Bxf6 Bxf6 20. Nf2 Rd8 21. a3 a5 22. Bc2 b4 23. Be4 Qc8 24. axb4 axb4 25. Bxb7 Qxb7 26. Ne4 Be5 27. b3 f5 28. Nf2 Bc3 29. Qc4 Qc6 30. Rd1 Rd5 31. Nd3 Kh8 32. Kf2 Qc7 33. g3 Qa5 34. Kg2 Qc7 35. Nf2 Re5 36. Nd3 Rd5 37. e4 fxe4 38. fxe4 Rd4 39. Qxe6 Qd8 40. c6 Rd6 41. Nf2 Rxd1 42. Nxd1 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.08.01"]
[Round "10.133"]
[White "Wierzba, Maksymilian"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1463"]
[BlackElo "1388"]
[PlyCount "48"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Zielonka Zieloni U19"]
[BlackTeam "Chylice KS Laura U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. b3 Bb4 6. Bb2 Nf6 7. e3 Ne4 8. Rc1 Qa5 9. Be2 Nxc3 10. a3 Nxd1+ 11. Kxd1 Bxa3 12. Ra1 Qb6 13. Rxa3 Nd7 14. Kd2 0-0 15. Kc3 a5 16. Ra4 Rfc8 17. c5 Nxc5 18. dxc5 Qxc5+ 19. Bc4 b5 20. Ba3 b4+ 21. Bxb4 axb4+ 22. Rxb4 Ra2 23. Rc1 dxc4 24. bxc4 Ra3+ 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.31"]
[Round "9.133"]
[White "Piotrowicz, Jakub"]
[Black "Blocinski, Maciej"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1388"]
[BlackElo "1717"]
[PlyCount "120"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Bydgoszcz Chemik U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. Ng5 d5 6. exd5 Qe7+ 7. Kf1 Ne5 8. Qxd4 Nxc4 9. Qxc4 Qc5 10. Qxc5 Bxc5 11. c4 h6 12. Nf3 Ng4 13. h3 Nxf2 14. b4 Nxh1 15. bxc5 Ng3+ 16. Kf2 Ne4+ 17. Ke3 Nxc5 18. Ba3 b6 19. Nc3 0-0 20. Nb5 Re8+ 21. Kf2 Na6 22. Nfd4 Bd7 23. Re1 Rxe1 24. Kxe1 Re8+ 25. Kd2 Re4 26. Kd3 Re1 27. Nxa7 Rg1 28. Nab5 Rxg2 29. Kc3 Rg3+ 30. Kb2 Rxh3 31. Be7 g5 32. Bd8 g4 33. Bxc7 Nxc7 34. Nxc7 g3 35. d6 Rh2+ 36. Kc3 g2 37. Ne2 Rh1 38. Nd5 Re1 39. Ndf4 g1Q 40. Nxg1 Rxg1 41. Nd5 Be6 42. Nxb6 h5 43. d7 Rd1 44. Nd5 Rxd5 45. cxd5 Bxd7 46. Kd4 h4 47. Ke4 h3 48. Kf3 Kf8 49. Kg3 Ke7 50. a4 Kd6 51. a5 Kxd5 52. a6 Kc6 53. a7 Kb7 54. a8Q+ Kxa8 55. Kh2 Bg4 56. Kg3 f5 57. Kf2 f4 58. Kg1 f3 59. Kh1 f2 60. Kh2 f1Q 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.30"]
[Round "8.122"]
[White "Piotrowicz, Jakub"]
[Black "Osinski, Kamil"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1388"]
[BlackElo "1815"]
[PlyCount "110"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Belchatow LKS Stomil U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d3 Nc6 7. Bg5 Ng4 8. h3 Nge5 9. 0-0 e6 10. Nxe5 dxe5 11. Qe2 h6 12. Be3 Be7 13. f4 exf4 14. Bxf4 e5 15. Be3 0-0 16. Na3 Rad8 17. Rad1 f5 18. exf5 Rxf5 19. Nc4 b5 20. Na3 Rxf1+ 21. Qxf1 c4 22. d4 exd4 23. Bxd4 Nxd4 24. Rxd4 Bc5 25. Nc2 Bxd4+ 26. Nxd4 Qd5 27. Qf3 Qxf3 28. gxf3 b4 29. Kf2 bxc3 30. bxc3 Rb8 31. Ke3 Rb2 32. a4 Ra2 33. Nc6 Rxa4 34. Kd4 Kf7 35. Ne5+ Ke6 36. Nxc4 Ra1 37. Ne3 Rh1 38. c4 Rxh3 39. Ke4 Rh4+ 40. Kd3 Rf4 41. Ke2 a5 42. Kf2 a4 43. Kg3 g5 44. c5 a3 45. c6 a2 46. c7 Kd7 47. Nd5 a1Q 48. Nxf4 Qe5 49. c8Q+ Kxc8 50. Kg4 gxf4 51. Kh3 Qg5 52. Kh2 h5 53. Kh1 h4 54. Kh2 h3 55. Kxh3 Qg3# 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.29"]
[Round "7.115"]
[White "Gajewski, Marcin"]
[Black "Piotrowicz, Jakub"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1415"]
[BlackElo "1388"]
[PlyCount "92"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Czestochowa UKS Hetman U19"]
[BlackTeam "Chylice KS Laura U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 d5 3. Nc3 d4 4. Ne2 Nc6 5. Ng3 Bd6 6. Bc4 Na5 7. Bb3 Nxb3 8. axb3 Be6 9. 0-0 Ne7 10. d3 0-0 11. Ng5 Qd7 12. Qh5 h6 13. Nxe6 Qxe6 14. Bd2 f5 15. exf5 Nxf5 16. Ne4 a6 17. b4 Qf7 18. Qxf7+ Rxf7 19. Ra5 b6 20. Ra4 c5 21. Rfa1 Rfa7 22. b5 a5 23. Rd1 Be7 24. f3 Nd6 25. Nxd6 Bxd6 26. g4 Rf7 27. Kg2 Kf8 28. Be1 Ke7 29. Bg3 Raf8 30. Rf1 Ke6 31. b3 Be7 32. Raa1 Bg5 33. h3 Kd5 34. Rae1 Be3 35. Ra1 Bd2 36. Be1 Be3 37. Bg3 g6 38. Rab1 h5 39. Ra1 Rh7 40. Rh1 h4 41. Bh2 Rhf7 42. Rhf1 g5 43. Ra4 Re8 44. Raa1 Rfe7 45. Ra4 Bf4 46. Raa1 Be3 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.28"]
[Round "5.128"]
[White "Pawletko, Szymon"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1388"]
[PlyCount "96"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Gdynia MDK U19"]
[BlackTeam "Chylice KS Laura U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 Bc5 5. c3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. 0-0 0-0 9. Re1 d6 10. Qe2 Re8 11. Qd3 Ne5 12. Nxe5 dxe5 13. Re2 Bg4 14. Rd2 Rad8 15. Na3 dxc3 16. Qxc3 Rxd2 17. Qxd2 Rd8 18. Qe1 c6 19. Nc2 Bxf2+ 20. Qxf2 Qxf2+ 21. Kxf2 Rd2+ 22. Kg3 Rxc2 23. Bxf7+ Kxf7 24. Kxg4 Rxg2+ 25. Kh3 Rxb2 26. Kg3 Re2 27. Kf3 Rxh2 28. Rb1 b6 29. a4 Rh3+ 30. Kg4 Ra3 31. Rb4 c5 32. Rc4 g6 33. Kh4 g5+ 34. Kh5 Rh3+ 35. Kg4 Rd3 36. Kh5 Rd4 37. Rxd4 exd4 38. Kg4 Ke6 39. Kf3 Ke5 40. Ke2 Kxe4 41. Kd2 c4 42. Kc2 g4 43. Kd2 g3 44. Ke2 c3 45. Kf1 Kf3 46. Ke1 g2 47. Kd1 d3 48. Kc1 g1Q# 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.28"]
[Round "6.104"]
[White "Piotrowicz, Jakub"]
[Black "Mrozowski, Patryk"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1388"]
[BlackElo "1795"]
[PlyCount "97"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Krosno KKSz Urania U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Bc4 Nb6 7. Nd2 d5 8. Bb5+ N6d7 9. Ngf3 a6 10. Bd3 Be7 11. Qc2 Nf8 12. Nb3 Nc6 13. a3 h6 14. Nc5 Qc7 15. Be3 Nd7 16. b4 b6 17. Nb3 Bb7 18. 0-0 Rc8 19. Rfc1 Qd8 20. Qe2 b5 21. Nc5 Nxc5 22. bxc5 Na5 23. Rcb1 Nc4 24. a4 Bc6 25. Nd2 0-0 26. axb5 axb5 27. Ra7 Rc7 28. Ra6 f5 29. Bxc4 dxc4 30. f4 Qd7 31. Rba1 Rb8 32. Nf3 Qd5 33. Rb1 b4 34. Bd2 Rcb7 35. Qe1 c3 36. Bxc3 bxc3 37. Rxb7 Rxb7 38. Qxc3 Qe4 39. Qd2 Rd7 40. Kf2 Bxc5 41. Qc3 Bb7 42. Ra4 Be7 43. g3 Qc6 44. Qb3 Rc7 45. Ra7 Kf7 46. h4 Qc2+ 47. Qxc2 Rxc2+ 48. Nd2 Rxd2+ 49. Ke3 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.27"]
[Round "4.133"]
[White "Piotrowicz, Jakub"]
[Black "Kruszynski, Michal"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1388"]
[PlyCount "97"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Belchatow UKS Jedynka U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 c5 2. c4 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 0-0 6. g3 d6 7. Bg2 Bf5 8. 0-0 cxd4 9. Nxd4 Bxb1 10. Bxb7 Be4 11. Bxa8 Bxa8 12. f3 Qb6 13. e3 Nc6 14. Qd2 Qb7 15. Qg2 Bh6 16. Rae1 Nb4 17. Bc1 Nd3 18. Re2 Nxc1 19. Rxc1 Nd7 20. Rd1 Ne5 21. e4 Qb6 22. Kf1 Nc6 23. Nb5 a6 24. Nc3 Qb4 25. Nd5 Qb7 26. f4 Nb4 27. Qf3 Nxd5 28. exd5 Re8 29. Kf2 Bg7 30. Qe3 Qc7 31. Rde1 Kf8 32. Qd3 Bb7 33. f5 Bc8 34. fxg6 hxg6 35. Kg2 Bf5 36. Qe3 Qd7 37. Rf2 Bf6 38. Kg1 Kg7 39. Qf4 Be5 40. Qe3 a5 41. Ref1 Rb8 42. g4 e6 43. gxf5 exf5 44. a4 Qe7 45. Re1 Kf6 46. Rxf5+ Kxf5 47. Rf1+ Kg4 48. Rf4+ Kh5 49. Qh3+ 1-0

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.26"]
[Round "3.122"]
[White "Kucza, Jan"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C21"]
[WhiteElo "1460"]
[BlackElo "1388"]
[PlyCount "76"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Rybnik MKSz U19 II"]
[BlackTeam "Chylice KS Laura U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 d5 3. d4 exd4 4. e5 c5 5. Bb5+ Bd7 6. e6 Bxb5 7. exf7+ Kxf7 8. Ne5+ Ke8 9. Qh5+ g6 10. Qf3 Qe7 11. Kd1 Nd7 12. Nxd7 Qxd7 13. Re1+ Be7 14. Bg5 Qf5 15. Qb3 Bc6 16. Qg3 Kd7 17. Re5 Qf7 18. Qg4+ Kc7 19. Nd2 Bxg5 20. Qxg5 Qf6 21. Qg3 Qd6 22. c4 dxc3 23. bxc3 Re8 24. f4 Rxe5 25. fxe5 Qe6 26. Nf3 h6 27. Nh4 Ne7 28. Kc2 Rf8 29. Qe3 g5 30. Nf3 b6 31. Rf1 d4 32. cxd4 Qc4+ 33. Kd2 Qxf1 34. e6 Bxf3 35. Qe5+ Kc8 36. dxc5 Rd8+ 37. Kc3 Qd3+ 38. Kb4 Nc6+ 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.26"]
[Round "2.122"]
[White "Modlich, Kacper"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1591"]
[BlackElo "1388"]
[PlyCount "42"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Gliwice Akademia Szachowa U19"]
[BlackTeam "Chylice KS Laura U19 II"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. h3 Be7 6. Nd4 Qxd5 7. Nb3 0-0 8. Nc3 Qc6 9. Qe3 Bf5 10. Nd4 Qd7 11. Nxf5 Qxf5 12. Bc4 Re8 13. 0-0 Nc6 14. Re1 Bc5 15. Qe2 Nd4 16. Qd1 Nxc2 17. g4 Qxf2+ 18. Kh1 Nxe1 19. Qxe1 Qxe1+ 20. Bf1 Qxf1+ 21. Kh2 Qg1# 0-1

[Event "POL-chT U19 2nd League"]
[Site "Szczyrk"]
[Date "2014.07.25"]
[Round "1.122"]
[White "Piotrowicz, Jakub"]
[Black "Krawiec, Grzegorz"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1388"]
[BlackElo "1564"]
[PlyCount "51"]
[EventDate "2014.07.25"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Chylice KS Laura U19 II"]
[BlackTeam "Legnica Miedz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Qb6 7. Qc2 Nb4 8. Qb3 Bf5 9. Na3 Rc8 10. Bb5+ Nc6 11. Ne5 Qa5+ 12. Ke2 a6 13. Bxc6+ bxc6 14. Rac1 Ne4 15. Rhd1 Bd7 16. Nxd7 Kxd7 17. Qb7+ Kd8 18. Rxc6 Rxc6 19. Qxc6 e6 20. Qa8+ Kd7 21. Qb7+ Kd8 22. f3 g5 23. fxe4 gxf4 24. Rc1 f3+ 25. gxf3 Bxa3 26. Rc8# 1-0

[Event "Mazowiec-chT 1314"]
[Site "Poland"]
[Date "2014.02.09"]
[Round "8.13"]
[White "Kosny, Marek"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1964"]
[BlackElo "1391"]
[PlyCount "151"]
[EventDate "2014.01.12"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. g3 Nf6 4. Bg2 e6 5. 0-0 Nbd7 6. c4 c6 7. Nc3 Bb4 8. cxd5 cxd5 9. Qb3 Bxc3 10. bxc3 Nb6 11. Nh4 Bg4 12. f3 Bh5 13. e4 dxe4 14. fxe4 Be2 15. Rf2 Bc4 16. Qd1 0-0 17. Bg5 h6 18. Bxf6 gxf6 19. Qh5 Kh7 20. Bh3 Qe7 21. Bf5+ Kg7 22. Qg4+ Kh8 23. Rf4 Rg8 24. Qh5 Qf8 25. Bh3 Rg5 26. Qf3 Nd7 27. Rb1 b6 28. Qf2 Qa3 29. Nf3 Rg6 30. d5 Qxa2 31. Rb2 Qa1+ 32. Ne1 Ne5 33. Kg2 Bf1+ 34. Qxf1 Qxb2+ 35. Rf2 Qxc3 36. dxe6 fxe6 37. Bxe6 Ng4 38. Bxg4 Rxg4 39. Rxf6 Rxe4 40. Rf8+ Rxf8 41. Qxf8+ Kh7 42. Qf5+ Kg7 43. Qxe4 Qd2+ 44. Kg1 Qd7 45. Nd3 Qc7 46. Kf2 Qf7+ 47. Nf4 Qa2+ 48. Qe2 Qxe2+ 49. Kxe2 Kf6 50. Ke3 Kg5 51. h3 a5 52. Ne6+ Kf6 53. Nd4 Kg5 54. Kd3 h5 55. Ke4 a4 56. Nb5 h4 57. g4 Kf6 58. Kd5 Kg5 59. Ke5 Kg6 60. Kf4 Kh6 61. Kf5 a3 62. Nxa3 b5 63. Nxb5 Kh7 64. Kg5 Kg7 65. Kxh4 Kh6 66. g5+ Kg6 67. Kg4 Kh7 68. Kf5 Kg8 69. Kg6 Kh8 70. Kf7 Kh7 71. Nc3 Kh8 72. Ne4 Kh7 73. g6+ Kh6 74. g7 Kh5 75. g8Q Kh4 76. Qh7# 1-0

[Event "Mazowiec-chT 1314"]
[Site "Poland"]
[Date "2014.02.09"]
[Round "7.17"]
[White "Piotrowicz, Jakub"]
[Black "Kaczmarska, Joanna"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1391"]
[BlackElo "1741"]
[PlyCount "88"]
[EventDate "2014.01.12"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. Bxf6 exf6 6. e3 b5 7. a4 b4 8. Na2 Be6 9. Rc1 c3 10. b3 Bd6 11. Bc4 0-0 12. Nf3 Bxc4 13. bxc4 c5 14. 0-0 Nc6 15. Rb1 Qa5 16. d5 Nb8 17. Nc1 Qa6 18. Qb3 Nd7 19. a5 Qxa5 20. Nd3 Qc7 21. Ra1 a5 22. Qa4 Nb6 23. Qb5 a4 24. e4 Rfb8 25. Qc6 Qxc6 26. dxc6 Nxc4 27. c7 Rc8 28. Rfb1 Rxc7 29. Nfe1 Rca7 30. Nc2 b3 31. Ne3 Nxe3 32. fxe3 c4 33. Nf4 Bxf4 34. exf4 a3 35. Kf2 c2 36. Re1 b2 37. Ra2 c1Q 38. Rxc1 bxc1Q 39. e5 Qb2+ 40. Rxb2 axb2 41. exf6 b1Q 42. fxg7 Ra3 43. f5 Qc2+ 44. Kg1 Ra1# 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.06.03"]
[Round "9"]
[White "Piotrowicz, Jakub"]
[Black "Wisniewski, Jacek"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1449"]
[PlyCount "73"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bxf6 gxf6 6. e3 f5 7. Nf3 b6 8. g3 Bb7 9. Bg2 Be7 10. Qe2 h5 11. a3 Nc6 12. b4 h4 13. b5 Na5 14. Nxh4 Bxh4 15. Bxb7 Nxb7 16. gxh4 Qxh4 17. Qf3 Rb8 18. 0-0-0 Nd6 19. Qe2 Qf6 20. Nb1 f4 21. Nd2 fxe3 22. fxe3 Ke7 23. Rdf1 Qh6 24. Qf2 Qh4 25. Qf3 Qh3 26. Qf6+ Ke8 27. Rf3 Qh6 28. Qe5 Rg8 29. Rg3 Rxg3 30. Qxg3 Ke7 31. h4 Rc8 32. Qg5+ Qxg5 33. hxg5 Rg8 34. Rg1 Ke8 35. Kc2 f6 36. g6 Nf5 37. Kd3 1/2-1/2

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.06.02"]
[Round "8"]
[White "Mantaev, Ruslan"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1249"]
[BlackElo "1449"]
[PlyCount "92"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. a3 Bc5 5. Bg5 d6 6. h3 0-0 7. Nc3 h6 8. Bd2 Qe7 9. Na4 Bd4 10. c3 Bb6 11. Nxb6 axb6 12. b4 Be6 13. Qb3 Bxc4 14. Qxc4 Qe6 15. Qa2 Qxa2 16. Rxa2 Ne7 17. Ne2 c5 18. c4 Nc6 19. b5 Ne7 20. Ng3 Ra4 21. Ke2 Nd7 22. Bc3 Nf6 23. Rf1 Rd8 24. f4 Ng6 25. f5 Nf4+ 26. Ke3 Rda8 27. Bb2 Nxg2+ 28. Kd2 Nf4 29. Rh1 N4h5 30. Ne2 g6 31. fxg6 fxg6 32. Kc3 g5 33. Bc1 Nf4 34. Kb3 Nxd3 35. Bd2 Nxe4 36. Bc1 Nxc1+ 37. Rxc1 R4a5 38. Nc3 Nxc3 39. Rxc3 Kf7 40. Rf3+ Ke7 41. Ra1 Rf8 42. Raf1 Rxf3+ 43. Rxf3 Ra8 44. h4 Rf8 45. Rxf8 Kxf8 46. hxg5 hxg5 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.06.01"]
[Round "7"]
[White "Piotrowicz, Jakub"]
[Black "Czorniej, Antonina"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "1449"]
[BlackElo "1317"]
[PlyCount "60"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Ne2 c5 8. Bf4 Nc6 9. d5 Ne5 10. Bxe5 Bxe5 11. Rb1 Qa5+ 12. Nc3 Bxc3+ 13. bxc3 Qxc3+ 14. Qd2 Qe5 15. Be2 0-0 16. 0-0 b6 17. Bd1 Rd8 18. Ba4 Bb7 19. Qc2 e6 20. Bb3 exd5 21. cxd5 Bxd5 22. Bxd5 Rxd5 23. Rfd1 Rad8 24. h3 f5 25. Rxd5 Qxd5 26. a4 Qd3 27. Qa2+ Kg7 28. Rf1 c4 29. Qb2+ c3 30. Qb4 Rd7 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.31"]
[Round "6"]
[White "Piotrowicz, Jakub"]
[Black "Rytel, Kacper"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "1449"]
[PlyCount "56"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e3 dxc4 6. Bxc4 b5 7. Bd3 a6 8. Nge2 Be7 9. 0-0 0-0 10. Qc2 h6 11. Bxf6 Bxf6 12. Bh7+ Kh8 13. Be4 Qb6 14. Qb3 Nd7 15. Nf4 Ra7 16. Na4 bxa4 17. Qxa4 c5 18. dxc5 Nxc5 19. Qc2 Nxe4 20. Qxe4 Rc7 21. Rab1 Bb7 22. Qd3 Qc6 23. f3 Rd8 24. Qe2 Qc2 25. b3 Rd2 26. Qe1 Qxa2 27. Qg3 Rcc2 28. Ra1 Bxa1 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.30"]
[Round "5"]
[White "Cuch, Dariusz"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1449"]
[PlyCount "121"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 0-0 10. d4 exd4 11. Nxd4 Bxd4 12. cxd4 Na5 13. Qc2 Be6 14. b3 Nxc4 15. bxc4 Bxd5 16. cxd5 Re8 17. f4 Rc8 18. 0-0 Qe7 19. e5 dxe5 20. dxe5 Red8 21. Rab1 b6 22. Qc6 Qa3 23. h3 Qxa2 24. Ra1 Qxd5 25. Qxd5 Rxd5 26. Rxa7 b5 27. Rb7 Rc5 28. Re1 Re8 29. Kf2 c6 30. Re3 g6 31. Rg3 Rc2+ 32. Kf3 Rc3+ 33. Kf2 Rxg3 34. Kxg3 Re6 35. Kf3 h5 36. g4 hxg4+ 37. hxg4 Kf8 38. Ke4 Re7 39. Rb6 Re6 40. f5 gxf5+ 41. gxf5 Rh6 42. Kf4 Rh4+ 43. Kg5 Rc4 44. Kf6 Ke8 45. Rb8+ Kd7 46. Rb7+ Ke8 47. Rxf7 c5 48. e6 Re4 49. e7 Kd7 50. Kg7 b4 51. Kf8 Kd6 52. e8Q Rxe8+ 53. Kxe8 Kc6 54. f6 b3 55. Re7 b2 56. Re1 c4 57. f7 c3 58. f8Q c2 59. Qf3+ Kd6 60. Qf6+ Kc7 61. Qxb2 1-0

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.29"]
[Round "4"]
[White "Piotrowicz, Jakub"]
[Black "Nowak, Edward"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1449"]
[BlackElo "1782"]
[PlyCount "44"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 d6 6. Bd3 0-0 7. Nf3 Nc6 8. 0-0 e5 9. a3 e4 10. Bxf6 Bxf6 11. Bxe4 fxe4 12. Nxe4 Bg4 13. h3 Bxf3 14. gxf3 Qe8 15. Qb3 Qd7 16. Kg2 Rab8 17. c5+ d5 18. Rac1 Kh8 19. Ng3 Ne7 20. Rh1 Nf5 21. Rhe1 Nh4+ 22. Kh1 Nxf3 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.28"]
[Round "3"]
[White "Fus, Jakub"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C66"]
[BlackElo "1449"]
[PlyCount "184"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nxc6 Bxc6 7. Bxc6+ bxc6 8. 0-0 Nf6 9. Re1 Be7 10. Bf4 0-0 11. Nc3 Rb8 12. b3 Nd7 13. Ne2 Bg5 14. Bxg5 Qxg5 15. f4 Qf6 16. Qd4 Qe6 17. Ng3 c5 18. Qd5 Qf6 19. Rf1 Nb6 20. Qd3 Rfe8 21. c4 Qg6 22. Qf3 Nd7 23. Rae1 h6 24. f5 Qf6 25. Rd1 Ne5 26. Qc3 Qg5 27. Qd2 Qh4 28. Qf4 Qf6 29. Nh5 Qg5 30. Qxg5 hxg5 31. Ng3 f6 32. Ne2 Ng4 33. Rfe1 Rxe4 34. Nc3 Rxe1+ 35. Rxe1 c6 36. h3 Ne5 37. Ne4 Rd8 38. Rd1 Nf7 39. Rd2 Kf8 40. Kf2 Ke7 41. g4 Ne5 42. Kg3 Nf7 43. Kf2 Rh8 44. Kg3 a6 45. Kg2 a5 46. Kg3 Ra8 47. Nc3 Rb8 48. Re2+ Ne5 49. Re3 Kd7 50. Kg2 Re8 51. Kg3 Nf7 52. Rxe8 Kxe8 53. h4 gxh4+ 54. Kxh4 Ne5 55. Kg3 Nd7 56. Kf4 Nb6 57. Ke4 Ke7 58. Kd3 d5 59. a3 Kd7 60. Ne2 a4 61. cxd5 cxd5 62. bxa4 Nxa4 63. Nf4 Kd6 64. Nh5 Ke5 65. Nxg7 c4+ 66. Ke2 d4 67. Nh5 Nb6 68. Kd2 Na4 69. Kc2 c3 70. Kd3 Nb2+ 71. Kc2 Nc4 72. a4 Na5 73. Kd3 Nc6 74. Kc2 Nb4+ 75. Kc1 d3 76. a5 Na2+ 77. Kd1 c2+ 78. Kd2 c1Q+ 79. Kxd3 Nb4+ 80. Ke2 Qc2+ 81. Kf3 Qd3+ 82. Kg2 Qe4+ 83. Kf2 Nd3+ 84. Kf1 Qf3+ 85. Kg1 Qf2+ 86. Kh1 Qh4+ 87. Kg1 Qxg4+ 88. Kf1 Qxf5+ 89. Kg1 Qxh5 90. a6 Qg4+ 91. Kh1 Qg3 92. a7 Nf2# 0-1

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.27"]
[Round "2"]
[White "Piotrowicz, Jakub"]
[Black "Golecka, Jadwiga"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1449"]
[PlyCount "81"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e3 d6 6. Bd3 Nbd7 7. Nf3 c5 8. 0-0 b6 9. Qc2 Bb7 10. Bxf6 Nxf6 11. d5 Re8 12. b3 b5 13. Nxb5 e6 14. dxe6 Rxe6 15. Ng5 Re8 16. Nc3 Ng4 17. Be4 Bxe4 18. Ngxe4 Qe7 19. Rad1 Rad8 20. h3 Nf6 21. Nxf6+ Qxf6 22. Nd5 Qe5 23. Rd3 a6 24. Rfd1 Rd7 25. Qd2 Red8 26. Nb6 Rb7 27. Rxd6 Rxd6 28. Qxd6 Qb2 29. Qd8+ Bf8 30. Nd7 Qg7 31. Nxc5 Re7 32. Nd7 Re6 33. Qxf8+ Qxf8 34. Nxf8 Kxf8 35. Rd4 Ke7 36. e4 Kf6 37. f3 Ke5 38. Rd5+ Kf4 39. Kf2 f5 40. h4 fxe4 41. g3# 1-0

[Event "Warsaw-ch opB 65th"]
[Site "Warsaw"]
[Date "2012.05.26"]
[Round "1"]
[White "Borowy, Cezary"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1851"]
[BlackElo "1449"]
[PlyCount "43"]
[EventDate "2012.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bg4 6. 0-0 Be7 7. h3 Bxf3 8. Qxf3 0-0 9. Bxc6 bxc6 10. d3 exf4 11. Bxf4 Rb8 12. b3 Nd7 13. Ne2 Ne5 14. Bxe5 dxe5 15. Ng3 Bc5+ 16. Kh1 Qg5 17. a4 a5 18. Nf5 f6 19. Qe2 Rfd8 20. Rf3 Qg6 21. Rg3 Qf7 22. Nh6+ 1-0

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.27"]
[Round "9"]
[White "Lukasiewicz, Krzysztof"]
[Black "Piotrowicz, Jakub"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1657"]
[PlyCount "62"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. Nxd4 Bd7 6. 0-0 Be7 7. Nc3 Nf6 8. Be3 0-0 9. Kh1 Ne5 10. Be2 c6 11. f4 Ng6 12. Bf3 Qc7 13. Qd2 Rad8 14. Rae1 a6 15. Bf2 c5 16. Nb3 Bc6 17. Bg3 Rfe8 18. Qf2 Bf8 19. Nd2 b6 20. Re2 Rd7 21. Rfe1 Rde7 22. h3 b5 23. a3 c4 24. Nd5 Bxd5 25. exd5 Rxe2 26. Rxe2 Rxe2 27. Qxe2 Qc5 28. Ne4 Nxe4 29. Qxe4 Ne7 30. Qe1 Qd4 31. c3 Qc5 1/2-1/2

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.26"]
[Round "8"]
[White "Piotrowicz, Jakub"]
[Black "Gozdzicki, Maciej"]
[Result "0-1"]
[ECO "B81"]
[PlyCount "56"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. a3 Qc7 10. Nde2 Be7 11. Ng3 0-0 12. 0-0 Nbd7 13. Be3 Rac8 14. Rc1 Rfd8 15. Qd2 Ne5 16. b3 Qxc3 17. Qxc3 Rxc3 18. Bd2 Rcc8 19. f4 Nc6 20. g5 Ne8 21. f5 Nd4 22. g6 exf5 23. gxf7+ Kxf7 24. Nxf5 Ne2+ 25. Kh1 Nxc1 26. Nxd6+ Kg8 27. Nxc8 Rxc8 28. Rxc1 Bxa3 0-1

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.25"]
[Round "7"]
[White "Blocinski, Maciej"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1276"]
[PlyCount "116"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. Bg5 e6 6. e3 Be7 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Bd3 Bxd3 11. Qxd3 0-0 12. 0-0 Nd7 13. Rfe1 Rfe8 14. Rad1 Nb6 15. b3 Nc8 16. Qc2 Nd6 17. Qc5 Ne4 18. Qxe7 Rxe7 19. Rd3 f6 20. Nd2 Nxd2 21. Rxd2 Kf7 22. Rde2 Rae8 23. f3 f5 24. Kf2 g6 25. h3 h5 26. h4 Kf6 27. g3 Re6 28. f4 Re4 29. Kf3 Ke6 30. Rc2 Kd6 31. Ree2 Rc8 32. b4 b6 33. Red2 Rce8 34. Re2 Kc7 35. b5 R4e6 36. Rc3 Kd7 37. bxc6+ Rxc6 38. Rxc6 Kxc6 39. Rc2+ Kd7 40. Ke2 Rc8 41. Rd2 Rc3 42. Rb2 Rc1 43. Kf2 Kc7 44. Ke2 Kb7 45. Kf3 a6 46. Re2 b5 47. Kf2 Kb6 48. Re1 Rxe1 49. Kxe1 Ka5 50. Kd2 Kb4 51. Kc2 Ka3 52. Kb1 a5 53. Ka1 b4 54. Kb1 b3 55. axb3 Kxb3 56. Kc1 Kc3 57. Kd1 Kd3 58. Ke1 Kxe3 0-1

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.24"]
[Round "6"]
[White "Piotrowicz, Jakub"]
[Black "Sulkowski, Andrzej"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "140"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Bg4 6. 0-0 Nc6 7. Re1+ Nge7 8. c3 Qd7 9. Bg5 f6 10. Bh4 0-0-0 11. Nbd2 Rdg8 12. Qc2 Bf5 13. b4 Bxd3 14. Qxd3 g5 15. Bg3 h5 16. Bxd6 Qxd6 17. Qe3 Re8 18. Qe6+ Qxe6 19. Rxe6 Rhf8 20. Ree1 Ng6 21. Nb3 g4 22. Rxe8+ Rxe8 23. Re1 Rxe1+ 24. Nxe1 b6 25. f3 Nf4 26. fxg4 hxg4 27. Kf2 f5 28. Nc1 Nh5 29. Nc2 Ne7 30. Ne3 Nf6 31. Nd3 Ne4+ 32. Ke1 Nxc3 33. a3 Nb5 34. Nc2 Nc6 35. h4 gxh3 36. gxh3 Nbxd4 37. Nxd4 Nxd4 38. h4 Nf3+ 39. Ke2 Nxh4 40. Ke3 Kd7 41. Kd4 Kd6 42. a4 Ng6 43. b5 f4 44. Nb4 Ne7 45. Nd3 c5+ 46. bxc6 Nxc6+ 47. Kc3 d4+ 48. Kd2 f3 49. Ke1 Ne5 50. Nf2 Kc5 51. a5 d3 52. axb6 axb6 53. Kd2 Kd4 54. Nd1 Nc4+ 55. Ke1 Ne3 56. Nb2 d2+ 57. Kf2 d1Q 58. Nxd1 Nxd1+ 59. Kxf3 b5 60. Ke2 Nc3+ 61. Kd2 b4 62. Kc2 Kc4 63. Kb2 Na4+ 64. Kc2 b3+ 65. Kb1 Kc3 66. Kc1 b2+ 67. Kb1 Nc5 68. Ka2 Kc2 69. Ka3 Ne6 70. Kb4 b1Q+ 0-1

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.23"]
[Round "5"]
[White "Teclaf, Pawel"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "45"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d6 5. 0-0 Bg4 6. d4 exd4 7. cxd4 Bxf3 8. gxf3 d5 9. Bxc6+ bxc6 10. dxc5 dxe4 11. fxe4 Qf6 12. Nc3 Qg6+ 13. Kh1 Ne7 14. Rg1 Qf6 15. Be3 0-0 16. Bd4 Rad8 17. Bxf6 Rxd1 18. Raxd1 Ng6 19. Bd4 f6 20. b4 Nf4 21. Be3 Ng6 22. Rd7 Nh4 23. Rgxg7+ 1-0

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.22"]
[Round "4"]
[White "Piotrowicz, Jakub"]
[Black "Kokoszczynski, Jan"]
[Result "1-0"]
[ECO "B50"]
[BlackElo "1546"]
[PlyCount "137"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 Nc6 4. Nc3 Bg7 5. d3 Nf6 6. Be3 d6 7. 0-0 0-0 8. Qe2 Bd7 9. Rfe1 Ng4 10. Bf4 Nge5 11. Nxe5 Nxe5 12. Bd5 Bc6 13. Bb3 a6 14. Qd2 Rc8 15. Bh6 b5 16. Bxg7 Kxg7 17. a3 Nd7 18. Rad1 Nb6 19. Bd5 e5 20. Bxc6 Rxc6 21. b3 Qc8 22. Qe2 b4 23. Nb1 f5 24. a4 Nd7 25. Nd2 Nf6 26. Qf3 Ng4 27. h3 Nh6 28. Qg3 Ng8 29. Qe3 f4 30. Qf3 h5 31. Nc4 Nf6 32. Na5 Rc7 33. Nc4 Ne8 34. Nb6 Qb7 35. Nc4 Rd7 36. Na5 Qc7 37. Nc4 Qd8 38. Rd2 Nf6 39. Rdd1 Nh7 40. Rd2 Ng5 41. Qd1 f3 42. h4 Nh7 43. g3 g5 44. hxg5 Qxg5 45. Kh2 Nf6 46. Rh1 Ng4+ 47. Kg1 Kg6 48. Rh4 Qd8 49. Qf1 Rdf7 50. Qh3 Rh8 51. Nxd6 Rd7 52. Nc4 Rdh7 53. Qh1 Qc7 54. Qxf3 Qd7 55. Kg2 Rf7 56. Qd1 Rhf8 57. Nxe5+ Nxe5 58. Qxh5+ Kf6 59. Kh2 Ke7 60. Qg5+ Ke8 61. Qxe5+ Qe7 62. Qb8+ Qd8 63. Qxd8+ Kxd8 64. f4 Rg7 65. Rf2 Rfg8 66. Rf3 Kc7 67. Rh6 Kb7 68. f5 a5 69. Kh3 1-0

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.21"]
[Round "3"]
[White "Paliszewski, Dominik"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "1490"]
[PlyCount "77"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. Nc3 Bg4 5. Bb5 Bd7 6. Bxc6 Bxc6 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nxe5 Bd6 10. Nxc6 bxc6 11. 0-0 Nf6 12. e5 Be7 13. exf6 Bxf6 14. Re1+ Kf8 15. Be3 Bxc3 16. bxc3 a6 17. Bc5+ Kg8 18. Rad1 Rc8 19. Re7 h5 20. h3 f6 21. Rdd7 Rh7 22. Bd4 f5 23. Rxg7+ Rxg7 24. Rxg7+ Kf8 25. Rg5 Re8 26. Rxf5+ Kg8 27. Rg5+ Kh7 28. Rxh5+ Kg6 29. Re5 Rb8 30. Re6+ Kf5 31. Rxc6 Rb1+ 32. Kh2 Rc1 33. g4+ Kf4 34. Be3+ Kf3 35. Bxc1 a5 36. Kg1 a4 37. Kf1 a3 38. Rc4 c5 39. Rf4# 1-0

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.20"]
[Round "2"]
[White "Piotrowicz, Jakub"]
[Black "Tustanowski, Mateusz"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "70"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Qd3 Nf6 7. Nde2 Nxe4 8. g3 Qe7 9. Qe3 0-0 10. Bg2 Re8 11. 0-0 Bxc3 12. Nxc3 Nxc3 13. Qxc3 Qb4 14. Qxb4 Nxb4 15. c3 Nc6 16. Bf4 d6 17. Rfe1 Bd7 18. Rad1 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Bxe8 21. Bxc6 Bxc6 22. Be3 b6 23. Kf1 Bf3 24. Ke1 f6 25. Kd2 Bd5 26. a3 Kf7 27. Kd3 Ke6 28. c4 Bf3 29. Kd2 g5 30. Bd4 c5 31. Ke1 cxd4 32. Kd2 Ke5 33. Kd3 Bg2 34. b4 Bf1+ 35. Kd2 Bxc4 0-1

[Event "POL-ch U10"]
[Site "Mielno"]
[Date "2011.03.19"]
[Round "1"]
[White "Maliszewski, Michal"]
[Black "Piotrowicz, Jakub"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1230"]
[PlyCount "142"]
[EventDate "2011.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 Bg4 7. Nd5 h6 8. Nxf6+ gxf6 9. Be3 Bxe3 10. fxe3 Qe7 11. h3 Bh5 12. g4 Bg6 13. Qd2 0-0-0 14. 0-0-0 Rhe8 15. Nh4 Bh7 16. Nf5 Bxf5 17. gxf5 Rg8 18. Rhg1 Qd7 19. Rg2 Rdf8 20. Rdg1 Qe8 21. Kb1 Kb8 22. Bb5 Rh8 23. h4 a6 24. Ba4 h5 25. Rg3 Kc8 26. R1g2 Kd7 27. Qc3 Kc8 28. Qd2 Kd7 29. d4 b5 30. Bb3 exd4 31. exd4 Qxe4 32. Rd3 Qxh4 33. Rg7 Qh1+ 34. Qd1 Qxd1+ 35. Rxd1 Ke8 36. Re1+ Ne7 37. Bd5 Rhg8 38. Bxf7+ Rxf7 39. Rxg8+ Rf8 40. Rxf8+ Kxf8 41. Rh1 Nxf5 42. Rxh5 Nxd4 43. Rh8+ Ke7 44. Ra8 f5 45. Rxa6 f4 46. Ra3 Ke6 47. Kc1 b4 48. Rd3 Ke5 49. Kd1 Ke4 50. Ke1 Nxc2+ 51. Kd2 Nd4 52. b3 c5 53. Rh3 d5 54. Rd3 f3 55. Re3+ Kf4 56. Rxf3+ Kxf3 57. Kd3 Kf4 58. Kd2 Ke4 59. Kc1 Nb5 60. Kb2 Kd3 61. Kb1 Kc3 62. Ka1 d4 63. Kb1 d3 64. Kc1 c4 65. bxc4 Kxc4 66. Kd2 Kd4 67. Kd1 Kc3 68. Ke1 d2+ 69. Kd1 Na3 70. Ke2 Kc2 71. Ke3 d1Q 0-1

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.07"]
[Round "9"]
[White "Gajda, Piotr"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "41"]
[EventDate "2009.08.31"]
[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 d6 2. d4 Nc6 3. d5 Ne5 4. Nf3 Nf6 5. Nc3 Bg4 6. Be2 g6 7. h3 Bxf3 8. Bxf3 Nxf3+ 9. Qxf3 c6 10. 0-0 Bg7 11. Bf4 cxd5 12. Nxd5 e5 13. Bg5 0-0 14. Nxf6+ Bxf6 15. Bxf6 Qb6 16. Rab1 Qd4 17. Rbd1 Qc4 18. Qe3 Qe6 19. Qg5 Qxa2 20. Qh6 Qe6 21. Qg7# 1-0

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.07"]
[Round "8"]
[White "Piotrowicz, Jakub"]
[Black "Dudaref, Arkadiusz"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "42"]
[EventDate "2009.08.31"]
[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 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. d4 Ngf6 7. Bg5 Qa5+ 8. Bd2 Qb6 9. Bc3 Nxe4 10. 0-0 Nxc3 11. bxc3 Bd6 12. Ng5 Nf6 13. Bd3 h6 14. Rb1 Qa5 15. Ra1 hxg5 16. Qf3 Bxh2+ 17. Kh1 g4 18. Qe3 Bf4+ 19. Qh3 gxh3 20. gxh3 Qh5 21. Kg2 Qxh3+ 0-1

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.07"]
[Round "6"]
[White "Piotrowicz, Jakub"]
[Black "Gorska, Weronika"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "68"]
[EventDate "2009.08.31"]
[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 c5 2. Nc3 d6 3. b3 g6 4. Nf3 Bg7 5. Bd3 Nc6 6. 0-0 Bg4 7. Bc4 Nf6 8. d3 Nd4 9. Bf4 Qd7 10. e5 Nh5 11. Be3 a6 12. Nd5 Qc6 13. exd6 exd6 14. Re1 0-0 15. Ne7+ Kh8 16. Nxc6 bxc6 17. Bxd4 Bxd4 18. Rb1 d5 19. Bxd5 cxd5 20. Qd2 Bxf3 21. gxf3 Kg7 22. Qe2 Bc3 23. Red1 Rfe8 24. Qf1 Re5 25. Qh3 Rae8 26. Qf1 Nf4 27. Kh1 Rh5 28. Qg1 Bd4 29. Qg4 Nh3 30. Qd7 Nxf2+ 31. Kg2 Rg5+ 32. Kf1 Ree5 33. b4 Nxd1 34. Rxd1 Rg1# 0-1

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.07"]
[Round "7"]
[White "Solnicki, Maciej"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "74"]
[EventDate "2009.08.31"]
[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 e5 2. Nf3 Nc6 3. d4 d5 4. Bb5 Bg4 5. h3 a6 6. Bxc6+ bxc6 7. hxg4 dxe4 8. Nxe5 c5 9. d5 c6 10. Nxc6 Qd7 11. Nc3 Nf6 12. g5 Nxd5 13. Qxd5 Qxd5 14. Nxd5 Rc8 15. Ne5 Rd8 16. Nc7+ Ke7 17. Nxa6 Ke6 18. Bf4 Rd6 19. Nxc5+ Kf5 20. Nxf7 Kxf4 21. Nxh8 Rf6 22. gxf6 Bxc5 23. 0-0-0 e3 24. fxe3+ Bxe3+ 25. Kb1 gxf6 26. Rxh7 f5 27. Rf7 Bf2 28. Rf1 Kg3 29. Rxf2 Kxf2 30. Rxf5+ Kxg2 31. a4 Kg3 32. a5 Kg4 33. Rf7 Kg5 34. a6 Kh6 35. a7 Kh5 36. a8Q Kh6 37. Qg2 Kh5 1-0

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.03"]
[Round "4"]
[White "Piasecki, Kacper"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "54"]
[EventDate "2009.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. Bxc4 Nxe4 5. Nc3 Nxc3 6. bxc3 Bf5 7. Qa4+ Qd7 8. Qb4 b6 9. Bb5 Nc6 10. Qa4 Qe6+ 11. Ne2 Qd5 12. Bxc6+ Bd7 13. Bxd5 Bxa4 14. Bxa8 e6 15. 0-0 Bd6 16. d5 exd5 17. Bxd5 0-0 18. Nd4 c5 19. Nc6 Bxc6 20. Bxc6 Rc8 21. Re1 g6 22. c4 Rxc6 23. Bb2 Rc8 24. Rad1 h5 25. Rxd6 Kh7 26. Re7 Kg8 27. Rdd7 Rf8 1-0

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.09.03"]
[Round "3"]
[White "Piotrowicz, Jakub"]
[Black "Mincewicz, Tomasz"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "90"]
[EventDate "2009.08.31"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 h6 5. d3 Bc5 6. a3 Ng4 7. 0-0 Bxf2+ 8. Rxf2 Nxf2 9. Kxf2 d6 10. Ke2 Nd4+ 11. Nxd4 exd4 12. Qf1 Bg4+ 13. Ke1 0-0 14. Bd2 dxc3 15. Bxc3 Qh4+ 16. g3 Qxh2 17. Qf2 Qh1+ 18. Qf1 Qxf1+ 19. Kxf1 Be6 20. Bxe6 fxe6+ 21. Ke2 Rf7 22. g4 Raf8 23. Rg1 Rf2+ 24. Kd1 Rf1+ 25. Rxf1 Rxf1+ 26. Kd2 Rg1 27. Ke2 Rxg4 28. Kd2 h5 29. Ke3 Rg2 30. Be1 Rxc2 31. b4 Ra2 32. a4 Rxa4 33. Kf4 Ra1 34. Bc3 Rf1+ 35. Ke3 h4 36. Ke2 Rc1 37. Bd2 Rc2 38. Kd1 Rxd2+ 39. Kxd2 h3 40. Ke2 h2 41. Kf2 h1Q 42. Ke3 Kf7 43. Kd4 e5+ 44. Kd5 Qh3 45. b5 Qe6# 0-1

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.08.31"]
[Round "1"]
[White "Piotrowicz, Jakub"]
[Black "Kalhorn, Marcin"]
[Result "0-1"]
[ECO "C15"]
[BlackElo "1521"]
[PlyCount "106"]
[EventDate "2009.08.31"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 0-0 7. Nh3 Nd5 8. Bxd5 Qxd5 9. 0-0 Qf5 10. a3 Be7 11. Qd2 Rd8 12. Qf4 Qxf4 13. Bxf4 Rxd4 14. Bxc7 Na6 15. Be5 Rd2 16. Rac1 Bd7 17. Bf4 Rd4 18. Be5 Rc4 19. Rfd1 Be8 20. b3 Rcc8 21. a4 f6 22. Bd6 Bxd6 23. Rxd6 Rxc3 24. Rxe6 Bd7 25. Rd6 Bxh3 26. gxh3 Rac8 27. Rd2 Nb4 28. a5 R8c7 29. Rd8+ Kf7 30. Rd2 Nd3 31. Rb1 Ne5 32. Rd5 Rxc2 33. f4 Nf3+ 34. Kf1 Nd2+ 35. Rxd2 Rxd2 36. Kg1 Rcd7 37. h4 Rd1+ 38. Rxd1 Rxd1+ 39. Kf2 Rb1 40. b4 Rxb4 41. Ke3 Rc4 42. Kf3 b5 43. axb6 axb6 44. Kg4 b5 45. h3 b4 46. h5 b3 47. h6 g5 48. h4 Rxf4+ 49. Kg3 b2 50. hxg5 fxg5 51. Kg2 b1Q 52. Kg3 Qg1+ 53. Kh3 Rh4# 0-1

[Event "Warsaw-ch opB 62nd"]
[Site "Warsaw"]
[Date "2009.08.31"]
[Round "2"]
[White "Rytel, Jan"]
[Black "Piotrowicz, Jakub"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "99"]
[EventDate "2009.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. 0-0 Nf6 7. d3 0-0 8. Bg5 d6 9. e3 Bg4 10. a3 a6 11. Rb1 Rb8 12. Qc2 Qc7 13. Bxf6 Bxf6 14. Nd2 Be2 15. Nxe2 Qd7 16. Nc3 Qf5 17. Nd5 Ne7 18. b4 Nxd5 19. Bxd5 cxb4 20. Rxb4 a5 21. Rxb7 Rxb7 22. Bxb7 Qd7 23. Rb1 Rb8 24. Bd5 Rxb1+ 25. Qxb1 Qe7 26. Ne4 Bg7 27. Qb8+ Qf8 28. Qxd6 Qxd6 29. Nxd6 Bf8 30. c5 Kg7 31. Nb7 Bxc5 32. Nxc5 Kf6 33. Nb3 a4 34. Nc5 Ke7 35. Nxa4 Kd6 36. e4 f6 37. Nb6 Kc5 38. Nd7+ Kb5 39. Nxf6 Ka4 40. Nxh7 Kxa3 41. h4 Kb4 42. Nf8 Kc5 43. Nxg6 Kd6 44. h5 Kd7 45. h6 Ke8 46. h7 Kd7 47. h8Q Kd6 48. Qxe5+ Kc5 49. Qc7+ Kd4 50. Qc4# 1-0

