[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.03.20"]
[Round "11"]
[White "Korsun, Wadym"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1799"]
[BlackElo "1818"]
[PlyCount "116"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 Nf6 5. Nf3 c5 6. 0-0 Nc6 7. Nc3 cxd4 8. exd4 Be7 9. Re1 0-0 10. Bg5 Nb4 11. Qd2 Nbd5 12. Rad1 Re8 13. Ne5 Nxc3 14. bxc3 Nd5 15. Bxe7 Rxe7 16. Bb3 a5 17. Qd3 Nf4 18. Qe4 Ng6 19. Bc2 Rc7 20. Qd3 b6 21. Re3 Ba6 22. Qd2 Rac8 23. Bxg6 hxg6 24. Rh3 Bc4 25. Re1 Bd5 26. Rb1 Be4 27. Rb2 f6 28. Re3 Bf5 29. Nf3 g5 30. h3 Rc6 31. Rb3 Bg6 32. Qb2 Bf7 33. Rb5 Qc7 34. Rb3 Qd6 35. Qe2 Qc7 36. d5 exd5 37. Nd4 Rc4 38. Re7 Qf4 39. g3 Qc1+ 40. Kg2 a4 41. Rxb6 Qxc3 42. Rbb7 R4c7 43. Nf5 Rxb7 44. Rxb7 Re8 45. Qb5 Qc2 46. Qd7 Qe4+ 47. Kh2 Qe6 48. Qxf7+ Qxf7 49. Rxf7 Kxf7 50. Nd6+ Ke7 51. Nxe8 Kxe8 52. Kg2 Kd7 53. Kf3 Kd6 54. Ke3 Ke5 55. Kd3 f5 56. f3 d4 57. a3 Kd5 58. g4 f4 0-1

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.03.13"]
[Round "10"]
[White "Pietrzak, Wojciech"]
[Black "Szukalski, Antoni"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1818"]
[BlackElo "1772"]
[PlyCount "87"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Be2 a6 6. a4 Bg4 7. 0-0 0-0 8. h3 Bxf3 9. Bxf3 e5 10. dxe5 dxe5 11. Be3 Nc6 12. Ne2 Qxd1 13. Rfxd1 Rfd8 14. c3 Na5 15. b4 Nc4 16. Bg5 h6 17. Bxf6 Bxf6 18. Ng3 Nb2 19. Rdb1 Nd3 20. Nf1 Nf4 21. Rd1 Kf8 22. h4 Rxd1 23. Rxd1 Rd8 24. Rxd8+ Bxd8 25. g3 Ne6 26. Ne3 h5 27. Nc4 Bf6 28. Na5 b6 29. Nb3 c5 30. a5 bxa5 31. bxa5 Be7 32. Be2 Nc7 33. Kf1 Ke8 34. Nd2 f6 35. f4 exf4 36. gxf4 Kf8 37. f5 Kg7 38. Kg2 Kh6 39. fxg6 Kxg6 40. Bd3 Kh6 41. Kg3 Bd6+ 42. Kf3 Be5 43. Nb3 Bxc3 44. Nxc5 1/2-1/2

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.03.07"]
[Round "9"]
[White "Sucharski, Jakub"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1736"]
[BlackElo "1818"]
[PlyCount "74"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. Ne5 Nxe5 10. dxe5 Qd5 11. f3 Qxe5 12. Re1 Bc5+ 13. Kh1 Qd6 14. Nf5 Qf8 15. Bc4 Bd7 16. Qe2 0-0-0 17. Ne3 h5 18. Bd2 h4 19. b4 Nh5 20. Qf2 Bb6 21. a4 a6 22. a5 Ba7 23. Reb1 Ng3+ 24. Kg1 Nf5 25. Rb3 Nd4 26. Rb2 Bc6 27. Bd3 f5 28. Kf1 h3 29. Be2 f4 30. Nc4 Nb5 31. Nb6+ Bxb6 32. axb6 Rxd2 33. Ke1 Qd6 34. bxc7 hxg2 35. Qxg2 Nc3 36. Rxa6 Rd1+ 37. Kf2 Qd4# 0-1

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.03.05"]
[Round "8"]
[White "Pietrzak, Wojciech"]
[Black "Kasperski, Marcin"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1818"]
[BlackElo "1759"]
[PlyCount "75"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. f3 0-0 9. Qd2 Nd7 10. Nd5 Re8 11. c4 Qa5 12. Qxa5 Nxa5 13. Nc7 Nb6 14. Rc1 Bd7 15. Nxa8 Rxa8 16. b4 Nc6 17. Nxc6 bxc6 18. Kf2 Na4 19. Rc2 c5 20. b5 Rf8 21. g4 Nc3 22. Rhc1 Nxe2 23. Kxe2 Rb8 24. Rd1 a6 25. a4 axb5 26. axb5 Ra8 27. Rdd2 Be6 28. Rd1 Ra4 29. Rb1 Bc8 30. Rb3 Kf8 31. Bc1 Be5 32. h3 Ke8 33. Ra3 Rb4 34. Bd2 Rb1 35. Rca2 Kd8 36. Ra8 Kc7 37. R2a7+ Bb7 38. Ba5+ 1-0

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.02.20"]
[Round "7"]
[White "Kwiecinski, Rafal"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1756"]
[BlackElo "1818"]
[PlyCount "84"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 a6 8. c3 Qe7 9. Nbd2 g5 10. Bg3 h5 11. d4 Ba7 12. Nxg5 h4 13. Bxf7+ Kf8 14. Bd5 Nxd4 15. Bxb7 Bxb7 16. cxd4 Bxd4 17. Kh1 hxg3 18. fxg3 Kg7 19. Ndf3 Be3 20. Nh4 Bc8 21. Ngf3 Bg4 22. Qd3 Bb6 23. Rae1 Rh5 24. h3 Be6 25. Nh2 Rah8 26. Rf3 Rg5 27. Ref1 Nh5 28. Nf5+ Bxf5 29. exf5 e4 30. f6+ Nxf6 31. Qd2 Rg6 32. Rf5 e3 33. Qc3 e2 34. Re1 Qe4 35. Rf4 Qe5 36. Qb3 d5 37. Nf3 Qe3 38. Qxe3 Bxe3 39. Ra4 Ne4 40. Kh2 Nxg3 41. Ne5 Nf1+ 42. Kh1 Rxh3+ 0-1

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.02.13"]
[Round "6"]
[White "Pietrzak, Wojciech"]
[Black "Kania, Tomasz"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1818"]
[BlackElo "1818"]
[PlyCount "57"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. b4 Qxb4+ 8. Nd2 Qb5 9. e6 Qxd3 10. cxd3 fxe6 11. Ndf3 Nd7 12. Nh3 g6 13. Nf4 Bh6 14. Nxg6 Rh7 15. Ng5 Bxg5 16. hxg5 e5 17. g4 h4 18. Nxe5 Nxe5 19. dxe5 e6 20. Ba3 Ne7 21. Bxe7 Kxe7 22. Rb1 b6 23. d4 Rf8 24. Rc1 Kd7 25. g6 Rh6 26. g7 Rg8 27. g5 Rh5 28. f4 h3 29. Rc3 1/2-1/2

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.02.06"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Szewczak, Andrzej"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1818"]
[BlackElo "1797"]
[PlyCount "113"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 g6 4. Bxf6 exf6 5. e3 d5 6. c4 c6 7. Qb3 Qb6 8. c5 Qc7 9. Nc3 Qf7 10. g3 Be7 11. h4 h5 12. Bd3 Nd7 13. Qc2 Nf8 14. b4 a6 15. a4 Bd7 16. 0-0 Ne6 17. b5 axb5 18. axb5 0-0 19. Ra2 Rxa2 20. Qxa2 Nd8 21. Rb1 g5 22. Qc2 Qh7 23. Kg2 Kg7 24. Rh1 Nf7 25. hxg5 fxg5 26. g4 h4 27. gxf5 Qh5 28. Nh2 Nh6 29. e4 dxe4 30. Be2 h3+ 31. Kf1 Qh4 32. Qxe4 Qxe4 33. Nxe4 Nxf5 34. Nf3 g4 35. Ne5 g3 36. Kg1 Nxd4 37. Nxg3 Nxe2+ 38. Nxe2 Bc8 39. bxc6 Bxc5 40. Nd3 Ba7 41. cxb7 Bg4 42. Nef4 Rd8 43. Kh2 Bf5 44. Rg1+ Kh6 45. Ne5 Bb8 46. Nf7+ Kh7 47. Nxd8 Bxf4+ 48. Rg3 Bd7 49. Kg1 Bb8 50. Re3 Kg6 51. Ne6 h2+ 52. Kh1 Bc6+ 53. f3 Bg3 54. Rb3 Bb8 55. Nd4 Bd5 56. Rb5 Bc4 57. Rc5 1-0

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.01.31"]
[Round "4"]
[White "Pasternak Winiarski, Adam"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1770"]
[BlackElo "1818"]
[PlyCount "97"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8+ Kxd8 14. Bg5 Ke7 15. Nd2 Be6 16. Bc2 h6 17. Bh4 g5 18. Bg3 Nd7 19. Kh1 f6 20. f3 Rhd8 21. Rfd1 Nf8 22. Nf1 Bc4 23. b3 Be2 24. Re1 Bd3 25. Ra2 Bxc2 26. Rxc2 Rd3 27. h3 Ng6 28. Bh2 h5 29. Bg1 Bxg1 30. Kxg1 Rbd8 31. Ne3 c6 32. Nf5+ Kf7 33. Nh6+ Ke6 34. Nf5 h4 35. b4 Nf4 36. Rb1 Rd2 37. Rbb2 Rd1+ 38. Kh2 c5 39. bxc5 Nd3 40. Ra2 Nxc5 41. Ne3 R1d3 42. Nd5 Rc8 43. c4 g4 44. hxg4 h3 45. cxb5 hxg2 46. Kxg2 axb5 47. a6 Kd6 48. a7 Ra8 49. Nb6 1-0

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.01.22"]
[Round "3"]
[White "Pietrzak, Wojciech"]
[Black "Pajak, Jakub Lech"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1818"]
[BlackElo "1865"]
[PlyCount "120"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. g3 Nf6 5. d4 c6 6. Bf4 Qb4 7. a3 Qb6 8. Na4 Qa5+ 9. c3 Qd5 10. f3 b5 11. Nc5 e6 12. Nd3 Nbd7 13. Bg2 Bb7 14. Nb4 Qf5 15. Qe2 a5 16. Bh3 Qg6 17. d5 axb4 18. dxe6 fxe6 19. Bxe6 Be7 20. Bd6 0-0-0 21. Bxe7 Rde8 22. f4 Rxe7 23. f5 Qg4 24. axb4 Qxe2+ 25. Nxe2 g6 26. 0-0 gxf5 27. Nd4 Kc7 28. Rae1 Rhe8 29. Rxf5 Kd6 30. Rxf6 Nxf6 31. Nf5+ Kc7 32. Nxe7 Rxe7 33. Kf2 c5 34. Bf5 Rxe1 35. Kxe1 cxb4 36. cxb4 Be4 37. Be6 Kd6 38. Bb3 Ke5 39. Ke2 Kd4 40. Be6 Nd5 41. Bd7 Bd3+ 42. Kd2 Nf6 43. Be6 Ne4+ 44. Kc1 Ke3 45. g4 Kf4 46. h4 Nf6 47. g5 Ne4 48. Bg8 Ng3 49. Kd2 Bf5 50. Bf7 Kg4 51. Be8 Ne4+ 52. Ke3 Nd6 53. Bc6 Kxh4 54. Kf4 Bd3 55. Bd5 Bc4 56. Bc6 Nf7 57. b3 Bf1 58. Ke3 Kg3 59. g6 hxg6 60. Be8 Nh8 0-1

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.01.16"]
[Round "2"]
[White "Jaroszuk, Marcin"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1733"]
[BlackElo "1818"]
[PlyCount "106"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Bd6 5. d4 0-0 6. c4 h6 7. Nc3 Nc6 8. cxd5 exd5 9. Nb5 Re8 10. Nxd6 Qxd6 11. b3 Bf5 12. Bf4 Qe7 13. Ne5 Nb4 14. Qc1 g5 15. Bxg5 hxg5 16. Qxg5+ Bg6 17. a3 Nc6 18. Nxg6 fxg6 19. Qxg6+ Qg7 20. Qxg7+ Kxg7 21. e3 Rad8 22. Rac1 Re7 23. b4 a6 24. Rc2 Na7 25. a4 Nc8 26. Rfc1 Ne8 27. Rc5 Red7 28. Bf1 Rf7 29. Bg2 Ne7 30. b5 a5 31. R1c2 Kf6 32. Bh3 Nf5 33. Rc1 Rh7 34. Bg4 Rg7 35. Bxf5 Kxf5 36. f3 Ke6 37. R5c2 Rdd7 38. Kg2 Nf6 39. g4 Kd6 40. h4 Rde7 41. Rc3 Nxg4 42. fxg4 Rxg4+ 43. Kf3 Rxh4 44. Rg1 Rf7+ 45. Ke2 Rh2+ 46. Kd3 Rff2 47. Rg6+ Kd7 48. Rg7+ Ke6 49. Rcxc7 Rd2+ 50. Kc3 Rc2+ 51. Kb3 Rb2+ 52. Kc3 Rbc2+ 53. Kb3 Rb2+ 1/2-1/2

[Event "Warsaw YMCA Winter-A 297th"]
[Site "Warsaw"]
[Date "2025.01.09"]
[Round "1"]
[White "Pietrzak, Wojciech"]
[Black "Malicka, Magdalena"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "1818"]
[BlackElo "1720"]
[PlyCount "133"]
[EventDate "2025.01.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB14_2025"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Nd5 5. Bc4 Nb6 6. Be2 Nc6 7. 0-0 d6 8. Bf4 dxe5 9. Nxe5 Nxe5 10. Bxe5 Bc5 11. c3 0-0 12. cxd4 Bd6 13. Nc3 Be6 14. Ne4 Bxe5 15. dxe5 Bc4 16. Bxc4 Nxc4 17. Qh5 Qd5 18. Qe2 Nxe5 19. Rfd1 Qc4 20. Qe3 Rad8 21. Rdc1 Qd4 22. Rxc7 Qxb2 23. Re1 Nd3 24. Rf1 Qd4 25. Rxb7 a5 26. Qf3 Ne5 27. Qf5 Ng6 28. Ng3 Rd5 29. Qb1 Qd3 30. Qb2 Nf4 31. Rb3 Qd4 32. Qxd4 Rxd4 33. Ra3 a4 34. Nf5 Rb4 35. Ne7+ Kh8 36. g3 Ne2+ 37. Kg2 Re8 38. Re3 Nd4 39. Ng6+ hxg6 40. Rxe8+ Kh7 41. Rc1 Nf5 42. Ra8 f6 43. Rcc8 g5 44. Rc5 Kg6 45. Rca5 Rb2 46. g4 Ne3+ 47. Kf3 Nd1 48. Rxa4 Rxf2+ 49. Kg3 Rb2 50. Rh8 Nc3 51. Ra7 Rxa2 52. Rxa2 Nxa2 53. Rc8 Nb4 54. Rc4 Nd3 55. Rc3 Ne5 56. Re3 Nc4 57. Re1 Ne5 58. Re4 Nd3 59. Kf3 Ne5+ 60. Rxe5 fxe5 61. Ke4 Kf6 62. Kd5 g6 63. h3 e4 64. Kxe4 Ke6 65. Kd4 Kd6 66. Ke4 Ke6 67. Kd4 1/2-1/2

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "10"]
[White "Kuznik, Kamil"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1644"]
[BlackElo "1861"]
[PlyCount "54"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. c4 Bc5 6. Be2 d6 7. 0-0 Nf6 8. Be3 Bb6 9. Nc3 0-0 10. a3 Nf4 11. b4 Bg4 12. c5 dxc5 13. bxc5 Ba5 14. Bxf4 Bxc3 15. Rc1 exf4 16. Rxc3 Nxe4 17. Rc4 Re8 18. Bd3 f5 19. Rd4 Qf6 20. Rb4 Nc3 21. Qc2 Bxf3 22. gxf3 Nxd5 23. Rxb7 Qg6+ 24. Kh1 Qc6 25. Rb3 Rab8 26. Bxf5 Rxb3 27. Bxh7+ Kh8 0-1

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "8"]
[White "Mizzi, Jack"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D25"]
[WhiteElo "1960"]
[BlackElo "1861"]
[PlyCount "76"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bf5 5. Bxc4 e6 6. 0-0 Bd6 7. Nc3 c6 8. Bd3 Bxd3 9. Qxd3 Nd5 10. e4 Nf4 11. Qd1 Ng6 12. Bg5 Qc7 13. e5 Be7 14. Bxe7 Qxe7 15. Ne4 0-0 16. Qb3 Na6 17. Rac1 Nb4 18. Nd6 a5 19. a3 Nd5 20. Qxb7 Qxb7 21. Nxb7 Rfb8 22. Nd6 Rxb2 23. Rxc6 Ngf4 24. h3 h6 25. Kh2 g5 26. Ne4 Kg7 27. Rd6 Rc8 28. Rd7 Rcc2 29. a4 Nd3 30. Nd6 Nxf2 31. Rxf7+ Kg8 32. Rg1 Ne4 33. Ra7 Nf4 34. Ra8+ Kg7 35. Ne8+ Kg6 36. Nd6 Rxg2+ 37. Rxg2 Rxg2+ 38. Kh1 Nf2# 0-1

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "6"]
[White "Padalka, Artem"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2177"]
[BlackElo "1861"]
[PlyCount "61"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. 0-0 Bf5 5. d3 h5 6. Nh4 Bh7 7. f4 e6 8. h3 Nbd7 9. Nc3 Be7 10. e4 Qb6+ 11. Kh1 dxe4 12. dxe4 0-0-0 13. Qe2 e5 14. f5 Bb4 15. Be3 Qc7 16. Qc4 Ba5 17. Qxf7 Rdf8 18. Qc4 Nb6 19. Qe2 Rhg8 20. Rad1 g5 21. fxg6 Bxg6 22. Bc5 Bxc3 23. Bxf8 Qf7 24. Rd6 Nbd7 25. Bh6 Bb4 26. Rdxf6 Nxf6 27. Bg5 Be7 28. Qf2 Rf8 29. Qxa7 Qe6 30. Nxg6 Nxe4 31. Nxe7+ 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Adamski, Jan"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1861"]
[BlackElo "2051"]
[PlyCount "102"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 g6 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Nc3 Bg7 8. Be2 0-0 9. 0-0 Nxd5 10. Be3 Nc6 11. Rc1 Nxe3 12. fxe3 Bh6 13. Qd2 e5 14. d5 Ne7 15. Nxe5 Nf5 16. Ng4 Bg7 17. e4 Nd6 18. e5 Bxg4 19. Bxg4 Bxe5 20. Rce1 Re8 21. Bf3 Nc4 22. Qc2 Qb6+ 23. Kh1 Qxb2 24. Qxb2 Nxb2 25. Ne4 Nc4 26. Be2 Ne3 27. Rf3 Nf5 28. g4 Nd6 29. Nc5 Re7 30. Ref1 Rae8 31. Bd3 Bd4 32. Nb3 Bb6 33. Nd2 Bd4 34. Nb3 Be5 35. Nc5 Kg7 36. a4 a5 37. Nb3 b6 38. Nd2 Rc8 39. Nb3 Rc3 40. Bb1 Rxf3 41. Rxf3 Rc7 42. Kg2 Rc4 43. Re3 f6 44. g5 Rxa4 45. gxf6+ Kxf6 46. Nd2 Rb4 47. Bd3 Bf4 48. Rf3 Ke5 49. Nf1 Rb2+ 50. Kh3 Nf7 51. Ng3 Ng5+ 0-1

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "4"]
[White "Pietrzak, Wojciech"]
[Black "Krzywda, Andrzej"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1861"]
[BlackElo "2208"]
[PlyCount "65"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4 Nf6 6. 0-0 Nc6 7. Re1+ Be7 8. Qf4 0-0 9. Nc3 d5 10. Bd3 Bd6 11. Qh4 Be7 12. Bg5 h6 13. Rxe7 Nxe7 14. Bxf6 gxf6 15. Qxh6 Nf5 16. Qh5 Qd7 17. g4 Re8 18. Bxf5 Qd6 19. Qh7+ Kf8 20. Qh8+ Ke7 21. Re1+ Be6 22. Qh4 Rg8 23. Kf1 Kd7 24. Bxe6+ fxe6 25. Qh7+ Kc6 26. Nd4+ Kc5 27. Nxe6+ Kb6 28. Qd3 a6 29. Qd4+ c5 30. Na4+ Ka7 31. Nexc5 b6 32. Ne4 Qxh2 33. Qxb6# 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Szczotka, Klara"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1861"]
[BlackElo "2053"]
[PlyCount "92"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Nxd4 Nd7 8. Bc4 Ne5 9. Bb3 Nf6 10. Be3 Qa5 11. Qd2 Bb4 12. 0-0 Nxe4 13. Nxe4 Bxd2 14. Bxd2 Qb6 15. Nd6+ Ke7 16. Be3 c5 17. N4f5+ Bxf5 18. Nxf5+ Kf8 19. Rad1 Re8 20. Nd6 Re7 21. Ne4 Rc7 22. Rd8+ Ke7 23. Rxh8 Qg6 24. Ng3 Ng4 25. Nf5+ Kd7 26. Bc1 c4 27. Ba4+ Ke6 28. Re8+ Kd5 29. Rd1+ Kc5 30. Ng3 b5 31. b4+ Kb6 32. Bxb5 Kxb5 33. a4+ Kxa4 34. Bf4 Rb7 35. Bd6 Qxc2 36. Ra1+ Kb3 37. Re2 Qd3 38. Bf4 Qd4+ 39. Be3 Qxa1+ 40. Nf1 Nxe3 41. Rxe3+ Kxb4 42. Kf2 Qb2+ 43. Re2 Qf6+ 44. Kg1 c3 45. Re4+ Kc5 46. Ne3 Rb1+ 0-1

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "11"]
[White "Sanz Losada, Victoriano"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2002"]
[BlackElo "1861"]
[PlyCount "57"]
[EventDate "2024.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bf5 5. Bxc4 e6 6. Nc3 c6 7. 0-0 Be7 8. h3 h6 9. Qe2 0-0 10. e4 Bh7 11. Bf4 Nbd7 12. Rad1 b5 13. Bd3 Qa5 14. a3 c5 15. Bxb5 cxd4 16. Nxd4 Rfe8 17. e5 Nd5 18. Nxd5 exd5 19. Bxd7 Red8 20. Bf5 g6 21. Bb1 Rac8 22. Bxh6 Rc4 23. e6 f6 24. Ba2 Rc7 25. Bf4 Rb7 26. Nc6 Qc5 27. Nxd8 Bxd8 28. Rxd5 Qe7 29. Rxd8+ 1-0

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.06.13"]
[Round "10"]
[White "Pietrzak, Wojciech"]
[Black "Kwiecinski, Rafal"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1856"]
[BlackElo "1759"]
[PlyCount "79"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. c4 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Be2 Be7 7. 0-0 Nf6 8. Nc3 0-0 9. Nc2 b6 10. f4 g6 11. Be3 Rb8 12. Qd2 a6 13. a4 Qc7 14. g4 Bb7 15. g5 Nd7 16. b4 Nd8 17. f5 gxf5 18. exf5 Ne5 19. f6 Bxf6 20. gxf6 Qc6 21. Kf2 Qg2+ 22. Ke1 Qxh2 23. Bh6 Ndc6 24. Qf4 Qh3 25. Rg1+ Ng6 26. Rg3 e5 27. Rxh3 exf4 28. Bxf8 Rxf8 29. Nd5 Re8 30. Kd2 Nce5 31. Rg1 f3 32. Bxf3 Nxc4+ 33. Kc3 Bxd5 34. Bxd5 Nce5 35. Nd4 Rc8+ 36. Kb3 a5 37. Nf5 Kh8 38. Ne7 Rc7 39. Rxh7+ Kxh7 40. Rh1+ 1-0

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.06.04"]
[Round "9"]
[White "Sypula, Krzysztof"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1758"]
[BlackElo "1856"]
[PlyCount "61"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Qb3 Bxc3 4. Qxc3 Nc6 5. e3 d6 6. Be2 Nge7 7. d3 Ng6 8. Nf3 Bd7 9. b4 Qe7 10. Bb2 f6 11. b5 Nd8 12. a4 Ne6 13. Qc2 0-0 14. 0-0 Rae8 15. Rfe1 f5 16. Bf1 Ng5 17. Nxg5 Qxg5 18. d4 Nh4 19. Kh1 Rf6 20. f3 Rh6 21. dxe5 dxe5 22. Qf2 Ng6 23. Rad1 Be6 24. g3 Qe7 25. f4 Qb4 26. Qc2 exf4 27. Bc3 Qc5 28. Bd4 Qb4 29. Bc3 Qc5 30. Bd4 Qb4 31. Bc3 1/2-1/2

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.05.30"]
[Round "8"]
[White "Pietrzak, Wojciech"]
[Black "Mazurek, Jerzy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1856"]
[BlackElo "1839"]
[PlyCount "104"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 e6 9. cxd4 Bxd6 10. 0-0 0-0 11. Nc3 Nb4 12. Bg5 Be7 13. Bxe7 Qxe7 14. d5 N4xd5 15. Bxd5 Nxd5 16. Nxd5 exd5 17. Nd4 Qf6 18. Qa4 Bd7 19. Qxd7 Qxd4 20. Rad1 Qxb2 21. Qxd5 b6 22. Rd2 Qf6 23. Rfd1 g6 24. g3 Rae8 25. Qb7 Re7 26. Rd7 Re2 27. Qg2 Rfe8 28. h4 Rxa2 29. R7d6 Re6 30. Rxe6 Qxe6 31. Rd8+ Kg7 32. Qf3 Qe1+ 33. Kg2 Ra1 34. Kh3 Qh1+ 35. Qxh1 Rxh1+ 36. Kg4 h5+ 37. Kf4 a5 38. Rb8 Rb1 39. Ke5 Rb4 40. Kd5 a4 41. Ra8 Rb5+ 42. Kc4 Ra5 43. Re8 a3 44. Re1 a2 45. Ra1 Kf6 46. f3 Ra3 47. g4 hxg4 48. fxg4 Ra4+ 49. Kb5 Rxg4 50. Rxa2 Rxh4 51. Rf2+ Ke6 52. Kxb6 Rc4 0-1

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.05.22"]
[Round "11"]
[White "Szukalski, Antoni"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1792"]
[BlackElo "1856"]
[PlyCount "62"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. c4 dxc4 5. Bxc4 b5 6. Bd3 Bb7 7. Nc3 e6 8. 0-0 Be7 9. Re1 0-0 10. a3 Nbd7 11. e4 Re8 12. e5 Nd5 13. Nxd5 exd5 14. e6 fxe6 15. Rxe6 Nf8 16. Re1 Bf6 17. Bf4 Ne6 18. Qd2 a6 19. Rad1 c5 20. dxc5 Nxc5 21. Rxe8+ Qxe8 22. Bxh7+ Kxh7 23. Qc2+ Qe4 24. Qxc5 Qxf4 25. Qc2+ Qe4 26. Qc7 d4 27. h4 Rc8 28. Qf7 Bd5 29. Qh5+ Kg8 30. Re1 g6 31. Qh6 Qg4 0-1

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.05.16"]
[Round "6"]
[White "Kacprzak, Karol"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1810"]
[BlackElo "1856"]
[PlyCount "111"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Ne7 6. Rb1 Nbc6 7. Nf3 0-0 8. 0-0 f6 9. d3 b6 10. Nd2 Bf5 11. Ne4 Qd7 12. Re1 Rad8 13. Ba3 Ng6 14. Qa4 Nge7 15. Rbd1 Bh3 16. Bh1 h6 17. Nd2 f5 18. e3 f4 19. exf4 exf4 20. Re4 f3 21. Rde1 Bg4 22. c5 b5 23. Qxb5 d5 24. Rxe7 Nxe7 25. Qxd7 Rxd7 26. c6 Nxc6 27. Bxf8 Kxf8 28. Bxf3 Bxf3 29. Nxf3 d4 30. Nxd4 Nxd4 31. cxd4 Rxd4 32. Rd1 Ra4 33. Rd2 Ke7 34. Kf1 c5 35. Ke2 Ke6 36. f4 Kd5 37. Ke3 Ra3 38. Rc2 Ra4 39. h3 Ra6 40. f5 Ra5 41. g4 Ra4 42. Rb2 Kc6 43. Kf3 Ra3 44. Ke4 Ra4+ 45. Ke5 Rd4 46. Rb3 a5 47. Ke6 a4 48. Rc3 Rd6+ 49. Ke7 Rd7+ 50. Ke6 Rd6+ 51. Kf7 Rd7+ 52. Ke8 Rd4 53. Kf8 h5 54. g5 Rf4 55. f6 gxf6 56. g6 1-0

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.05.10"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Sternik, Piotr"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1856"]
[BlackElo "1875"]
[PlyCount "75"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 cxd4 7. cxd4 Bb4+ 8. Nc3 Nf6 9. 0-0 Qa5 10. a3 0-0 11. axb4 Qxa1 12. Qb3 a5 13. Be3 axb4 14. Rxa1 Rxa1+ 15. Nd1 Nd5 16. g3 b6 17. h3 Bb7 18. Kh2 Rfa8 19. Ng5 h6 20. Ne4 Na5 21. Qc2 Rc8 22. Qd3 Nc4 23. Nc5 bxc5 24. Qxc4 Nxe3 25. fxe3 Bd5 26. Qc2 c4 27. e4 c3 28. exd5 b3 29. Qxc3 Rxc3 30. Nxc3 exd5 31. Bb5 Ra2 32. Na4 Kf8 33. Kg2 Ke7 34. Kf3 Kd6 35. h4 Ra1 36. Nc3 Ra2 37. Na4 Ra1 38. Nc3 1/2-1/2

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.05.01"]
[Round "4"]
[White "Kania, Tomasz"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1833"]
[BlackElo "1856"]
[PlyCount "58"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 c6 4. e3 Be6 5. Nc3 b5 6. Ng5 Bd7 7. a4 e5 8. Nf3 exd4 9. Qxd4 Nf6 10. axb5 cxb5 11. Nxb5 Bb4+ 12. Bd2 Nc6 13. Qxc4 Bxd2+ 14. Nxd2 0-0 15. Be2 Ne5 16. Qd4 Bxb5 17. Bxb5 Qb8 18. Bc4 Rd8 19. Qc3 Rxd2 20. Qxd2 Nxc4 21. Qc3 Ne5 22. 0-0 Neg4 23. f4 Nd5 24. Qd4 Ndxe3 25. Rfc1 Qb7 26. Qd2 Qb6 27. Kh1 Nd1 28. Rxd1 Nf2+ 29. Kg1 Nxd1+ 0-1

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.04.26"]
[Round "3"]
[White "Pietrzak, Wojciech"]
[Black "Kasperski, Marcin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1856"]
[BlackElo "1766"]
[PlyCount "49"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. Ng3 Nc6 6. Bb5 Bd7 7. 0-0 Qc7 8. c3 Nge7 9. b4 a6 10. Ba4 b5 11. Bc2 c4 12. cxd4 Nxb4 13. d3 Nxd3 14. Bxd3 cxd3 15. Qxd3 Ng6 16. Nh5 b4 17. Rd1 Qa5 18. d5 e5 19. d6 Qb5 20. Qe3 Rc8 21. Rd5 Qc6 22. Nxe5 Qc3 23. Nxd7 Qxa1 24. Ndf6+ Kd8 25. Qb6+ 1-0

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.04.18"]
[Round "2"]
[White "Pichurko, Jakub"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1762"]
[BlackElo "1856"]
[PlyCount "120"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 b6 4. Nf3 Be7 5. Nbd2 0-0 6. Bd3 Bb7 7. c3 c5 8. h3 Nc6 9. 0-0 h6 10. Qe2 d6 11. Bh2 Re8 12. e4 cxd4 13. cxd4 Nb4 14. Bb5 Bc6 15. Bxc6 Nxc6 16. Rac1 Rc8 17. a3 Nb8 18. Rfd1 Qd7 19. e5 Nh7 20. Bf4 d5 21. Nf1 Rxc1 22. Rxc1 Rc8 23. Qd2 Rxc1 24. Qxc1 Qc6 25. Qxc6 Nxc6 26. h4 h5 27. Ng3 g6 28. Ne2 b5 29. g3 Bd8 30. Kf1 Bb6 31. Be3 Nf8 32. b4 Nd7 33. Ne1 Bd8 34. Nd3 Nb6 35. Nc3 a6 36. Nc5 Nb8 37. a4 bxa4 38. N3xa4 Nxa4 39. Nxa4 Nc6 40. Nc5 Nxb4 41. Ke2 Be7 42. Nb3 Nc6 43. Kd3 Kf8 44. Nc1 Ke8 45. f3 Kd7 46. Bd2 Kc7 47. Be1 g5 48. hxg5 Bxg5 49. Nb3 Be7 50. Ke3 Kb6 51. Kd3 Kb5 52. Bc3 a5 53. Kc2 Bb4 54. Bb2 Be1 55. Nc1 Bxg3 56. Ne2 Bf2 57. Nf4 Bxd4 58. Nxh5 Bxb2 59. Kxb2 Nxe5 60. f4 Nc4+ 0-1

[Event "Warsaw YMCA Spring-B 287th"]
[Site "Warsaw"]
[Date "2024.04.11"]
[Round "1"]
[White "Pietrzak, Wojciech"]
[Black "Pettersson, Alexander"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1856"]
[BlackElo "1856"]
[PlyCount "74"]
[EventDate "2024.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. c3 Nf6 5. Ngf3 Bd6 6. h3 0-0 7. Be2 Nbd7 8. Qc2 Re8 9. g4 Nf8 10. Nf1 Ng6 11. Ng3 Nf4 12. Bd2 Ng2+ 13. Kf1 Nf4 14. Re1 b6 15. g5 dxe4 16. dxe4 Nxe2 17. Rxe2 Nd7 18. Kg2 Nf8 19. Be3 Ne6 20. Rd2 Qc7 21. Nf5 Bc5 22. Bxc5 Nf4+ 23. Kh2 bxc5 24. Nd6 Bxh3 25. Kg3 Bg2 26. Nxe8 Rxe8 27. Rh2 Bxf3 28. Kxf3 Qe7 29. Qa4 Qxg5 30. Qxc6 Rf8 31. Qxc5 f5 32. Qxe5 fxe4+ 33. Qxe4 h5 34. Ke3 Qg1 35. Qh1 Re8+ 36. Kd4 Qg5 37. c4 Qe5# 0-1

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.03.19"]
[Round "11"]
[White "Pietrzak, Wojciech"]
[Black "Lewandrowski, Tomasz"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1754"]
[BlackElo "1822"]
[PlyCount "80"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Be3 Qxe5 12. Re1 Nf6 13. f4 Qd6 14. Bd4 Be7 15. Re5 h5 16. Rc1 Rc8 17. a3 Ng4 18. Rxh5 Rxh5 19. Qxg4 Rh4 20. Qg3 Qxf4 21. Qxf4 Rxf4 22. Bxg7 d4 23. Be5 Rg4 24. Be2 Re4 25. Nxe4 Rxc1+ 26. Kf2 f5 27. Ng3 Bc5 28. Bd3 Bc6 29. Ne2 Rd1 30. Nf4 Rd2+ 31. Kg3 Rxb2 32. h4 Bf8 33. h5 Bh6 34. Nxe6 Rb3 35. Nc5 Rxa3 36. Kh4 b6 37. Bxf5 bxc5 38. g4 d3 39. g5 Ra4+ 40. Bg4 d2 0-1

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.03.08"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Choroszej, Aleksander"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1754"]
[BlackElo "1899"]
[PlyCount "76"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h6 6. Qd2 b5 7. a4 b4 8. Nd5 a5 9. f3 e6 10. Nf4 Ne7 11. Nfe2 Nd7 12. g4 Ba6 13. b3 c5 14. Rd1 c4 15. h5 g5 16. f4 gxf4 17. Bxf4 Nf6 18. Qe3 d5 19. Be5 cxb3 20. cxb3 dxe4 21. g5 Ned5 22. Qg3 hxg5 23. Bg2 Rc8 24. Qxg5 Bh6 25. Bxf6 Nxf6 26. Qe5 Rg8 27. Bh3 Rg5 28. Qh2 Nd5 29. Ng3 Qc7 30. N1e2 Nc3 31. Rd2 Rg8 32. Rc2 Bd3 33. d5 Bxc2 34. dxe6 Nxe2 35. exf7+ Kxf7 36. Qf2+ Nf4 37. Bxc8 Qc3+ 38. Kf1 Qd3+ 0-1

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.03.01"]
[Round "8"]
[White "Mazurek, Jerzy"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D33"]
[WhiteElo "1712"]
[BlackElo "1754"]
[PlyCount "86"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. Bg2 Bb4 8. 0-0 Nge7 9. Ne1 0-0 10. Nc2 Bf5 11. Be3 a5 12. f3 Qd7 13. Re1 Bxc2 14. Qxc2 Nf5 15. Qd2 Nxe3 16. Qxe3 Rfe8 17. Qd2 Rac8 18. Kh1 b5 19. a3 Bxc3 20. bxc3 Qe7 21. e4 dxe4 22. fxe4 b4 23. axb4 axb4 24. cxb4 Qxb4 25. Qf2 c3 26. Rf1 Qc4 27. e5 Nxd4 28. Ra5 c2 29. Bd5 Qxf1+ 30. Qxf1 c1Q 31. Bxf7+ Kf8 32. Ra1 Qxf1+ 33. Rxf1 Ke7 34. Bxe8 Rxe8 35. Kg2 Ke6 36. Kh3 Nc6 37. Kh4 Rd8 38. g4 Rd4 39. Kh5 Nxe5 40. h3 Rd3 41. h4 Rd4 42. Rg1 Nf7 43. Re1+ Kd5 0-1

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.02.16"]
[Round "6"]
[White "Krupa, Bartlomiej"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1779"]
[BlackElo "1754"]
[PlyCount "71"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4. d4 fxe4 5. Nxe5 d5 6. Bb5 Qd6 7. 0-0 Nf6 8. c4 Bd7 9. Nxd7 Qxd7 10. cxd5 Nxd5 11. Bxc6 Qxc6 12. Qh5+ Kd7 13. Nc3 Nxc3 14. bxc3 g6 15. Qe2 Re8 16. d5 Qa4 17. Qg4+ Kd8 18. Bg5+ Be7 19. Rfd1 Qd7 20. Bxe7+ Rxe7 21. Qf4 Qd6 22. Qe3 b6 23. c4 Rf8 24. Rac1 Qf4 25. Rc3 Qg4 26. Qd4 Rf6 27. Re1 Qf4 28. c5 bxc5 29. Rxc5 Ref7 30. Rc2 e3 31. Qxe3 Qxe3 32. fxe3 Re7 33. e4 Rf4 34. Rce2 Re5 35. g3 Rf7 36. Kg2 1/2-1/2

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.02.09"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Pettersson, Alexander"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1754"]
[BlackElo "1799"]
[PlyCount "47"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Nd7 4. Bc4 e6 5. Nf3 Ngf6 6. Neg5 h6 7. Nh3 Bd6 8. d4 g5 9. g4 b6 10. d5 Bb7 11. dxe6 fxe6 12. Qe2 Ne5 13. Nxe5 Bxe5 14. Qxe5 Bxh1 15. Nxg5 hxg5 16. Bxg5 Rf8 17. Bxe6 Qe7 18. 0-0-0 Bc6 19. Re1 Rd8 20. Qc3 Ba8 21. Bf5 Qxe1+ 22. Qxe1+ Kf7 23. Qe6+ Kg7 24. Qe7+ 1-0

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.02.02"]
[Round "4"]
[White "Huseynzade, Jeyhun Qalib"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "1991"]
[BlackElo "1754"]
[PlyCount "49"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. Nf3 f5 4. d4 exd4 5. Nxd4 Nf6 6. Nxf5 d5 7. Bb5 Nxe4 8. Nd4 Nxc3 9. bxc3 Qe7+ 10. Be3 Bd7 11. 0-0 Nxd4 12. Bxd4 0-0-0 13. Re1 Qf7 14. Qd3 c6 15. Ba6 c5 16. Rab1 Bc6 17. Qh3+ Qd7 18. Re6 Kb8 19. Be5+ Ka8 20. Rxc6 Qxc6 21. Bxb7+ Qxb7 22. Rxb7 Kxb7 23. Qe6 c4 24. Qf7+ Ka6 25. Bd4 1-0

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.02.02"]
[Round "7"]
[White "Pietrzak, Wojciech"]
[Black "Kowalski, Witold"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1754"]
[BlackElo "1667"]
[PlyCount "63"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Be3 e6 7. Nf3 Nf6 8. a3 a6 9. Nc3 Qd6 10. Qd2 Be7 11. Be2 b5 12. Rc1 Bb7 13. Bf4 Qd8 14. 0-0 0-0 15. b4 Nd5 16. Rfd1 Rc8 17. Ne4 Nxd4 18. Nxd4 Nxf4 19. Qxf4 Rxc1 20. Qxc1 Bxe4 21. Nxe6 fxe6 22. Rxd8 Bxd8 23. Bf3 Bf5 24. Qc6 a5 25. bxa5 Bxa5 26. Qxb5 Bc7 27. Qc6 Bf4 28. g3 Bd2 29. g4 Bg6 30. Qxe6+ Kh8 31. Qd6 Rxf3 32. Qd8+ 1-0

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.01.26"]
[Round "3"]
[White "Sypula, Krzysztof"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1662"]
[BlackElo "1754"]
[PlyCount "81"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 Nf6 5. 0-0 e6 6. c3 Be7 7. Nbd2 0-0 8. Qc2 Bd7 9. e4 dxe4 10. dxe4 e5 11. Nc4 Qc7 12. Rd1 Rad8 13. a4 Be6 14. Rxd8 Rxd8 15. Ne3 Qb6 16. a5 Qc7 17. a6 b6 18. Bf1 Na5 19. Nd2 c4 20. Qa4 Bd7 21. Qa2 Bb5 22. Ndxc4 Nxc4 23. Bxc4 Bxc4 24. Nxc4 Rd1+ 25. Kg2 Nxe4 26. Qa4 Rd8 27. Be3 Nc5 28. Qb5 f5 29. Bxc5 bxc5 30. Qb7 Qd7 31. Nxe5 Qd6 32. Qb3+ Qd5+ 33. Qxd5+ Rxd5 34. Nc6 Rd7 35. Re1 Bf6 36. Re8+ Kf7 37. Ra8 Ke6 38. Nxa7 Rd2 39. Nb5 Rxb2 40. a7 Kd7 41. Rb8 1-0

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.01.24"]
[Round "1"]
[White "Sternik, Piotr"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1829"]
[BlackElo "1754"]
[PlyCount "72"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 a6 4. a4 e5 5. d5 Bb4 6. e4 Qh4 7. Qc2 Nf6 8. Bd2 Bxc3 9. Bxc3 Nbd7 10. Nf3 Qxe4+ 11. Qxe4 Nxe4 12. Bxe5 0-0 13. Bd4 Nd6 14. Be2 Re8 15. Kf1 Re4 16. Bc3 Nb6 17. Nd2 Re8 18. Bf3 Bf5 19. g4 Bd3+ 20. Kg2 Ne4 21. Nxe4 Bxe4 22. Rhd1 Rad8 23. Bxe4 Rxe4 24. Kf3 Ree8 25. d6 Rxd6 26. Rxd6 cxd6 27. Ba5 Nd7 28. Rd1 Ne5+ 29. Kg3 Nd3 30. b3 b5 31. bxc4 bxc4 32. Rb1 h6 33. Rb6 Nc5 34. f3 Rc8 35. Rxd6 Nb7 36. Rd5 Nxa5 0-1

[Event "Warsaw YMCA Winter-A 282nd"]
[Site "Warsaw"]
[Date "2024.01.19"]
[Round "2"]
[White "Pietrzak, Wojciech"]
[Black "Koziol, Pawel"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1754"]
[BlackElo "1647"]
[PlyCount "65"]
[EventDate "2024.01.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bc1 Bc5 15. Qd3 a5 16. Qg3 Kf8 17. c4 Ne7 18. Rd1 Nf5 19. Qc3 Qc7 20. g4 Nh4 21. Bf4 Qa7 22. Bg3 Be7 23. b3 h5 24. Qd4 Qxd4 25. Rxd4 Rb7 26. Rad1 Ke8 27. gxh5 Nf5 28. R4d3 Bc5 29. Bf3 Ke7 30. Bf4 Ra8 31. Be4 Nh6 32. Bg5+ Ke8 33. Bxc6 1-0

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.12.09"]
[Round "12"]
[White "Basiaga, Sebastian"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1856"]
[BlackElo "1717"]
[PlyCount "119"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 e5 8. dxe5 Nh5 9. Be3 Nxe5 10. Bb5+ Nc6 11. Nd2 Be7 12. Ngf3 0-0 13. 0-0 Be6 14. Nd4 Nxd4 15. Bxd4 Bd6 16. Nf3 Nf4 17. Rfe1 Bg4 18. Ne5 Bh3 19. g3 Qg5 20. Bf1 f6 21. Nf3 Qg4 22. Nh4 Bxf1 23. Kxf1 Qh3+ 24. Kg1 g5 25. gxf4 gxh4 26. Qxd5+ Kh8 27. Qg2 Qf5 28. Qf3 Rg8+ 29. Kh1 Rg4 30. Qxg4 Qxg4 31. Bxf6+ Kg8 32. Rg1 Qxg1+ 33. Rxg1+ Kf7 34. Bd4 Bxf4 35. Rg7+ Ke6 36. Rxh7 b6 37. Rxh4 Bc1 38. b3 Rg8 39. Be3 Bb2 40. c4 Rg6 41. Rh5 Bf6 42. c5 bxc5 43. Rxc5 Rg4 44. Ra5 Be5 45. Rxa7 Rh4 46. f4 Bd6 47. Ra6 Kd5 48. Bf2 Rg4 49. Bg3 Bc5 50. Kg2 Ke4 51. Re6+ Kd3 52. Kf3 Rg8 53. f5 Kc3 54. Re2 Kb4 55. Be5 Rc8 56. f6 Ka3 57. Ke4 Rf8 58. Rd2 Re8 59. Kf5 Be3 60. Bd6+ 1-0

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.12.06"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Kaniak, Monika"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1717"]
[BlackElo "1796"]
[PlyCount "71"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 Nf6 5. e5 Nd5 6. c4 Nc7 7. Nc3 Bf5 8. Bd3 Bg6 9. Nf3 e6 10. Bg5 Be7 11. Bxe7 Qxe7 12. Bxg6 hxg6 13. Ne4 Qb4+ 14. Qd2 Nba6 15. Nd6+ Ke7 16. 0-0-0 Qxd2+ 17. Nxd2 b5 18. N2e4 Rab8 19. Rhf1 Rhf8 20. Rf3 f5 21. Nd2 Rh8 22. h3 Nb4 23. a3 Nba6 24. Rg3 Rh6 25. Nb3 Ne8 26. Na5 Kd7 27. Nf7 Rh4 28. Rxg6 Nac7 29. Nd6 Rf4 30. Ndb7 Kc8 31. Nc5 bxc4 32. Nxc6 Rb6 33. d5 Rf2 34. d6 Rxc6 35. d7+ Kd8 36. Nb7+ 1-0

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.12.01"]
[Round "11"]
[White "Pietrzak, Wojciech"]
[Black "Makowski, Tomasz"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1717"]
[BlackElo "1775"]
[PlyCount "39"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bg5 Qb6 7. dxc5 Nxc5 8. Be2 a6 9. 0-0 Nc6 10. Re1 Qxb2 11. Qd2 Qb6 12. Rab1 Qc7 13. Nd4 Nxd4 14. Qxd4 Be7 15. Bb5+ Kf8 16. Bxe7+ Qxe7 17. Bf1 Bd7 18. f4 g6 19. Nxd5 exd5 20. e6 1-0

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.11.23"]
[Round "10"]
[White "Kasperkiewicz, Pawel"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1784"]
[BlackElo "1717"]
[PlyCount "88"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d3 0-0 8. a4 Bb7 9. Re1 d6 10. c3 Na5 11. Ba2 c5 12. Nbd2 Qc7 13. Nf1 Rad8 14. axb5 axb5 15. Bg5 h6 16. Bxf6 Bxf6 17. Ne3 c4 18. dxc4 bxc4 19. Nd5 Bxd5 20. Qxd5 Rb8 21. Bb1 Nb3 22. Ra4 Rfc8 23. Ba2 Nc5 24. Rxc4 Rxb2 25. Rb4 Rxa2 26. Qxa2 Nd3 27. Rd1 Nxb4 28. cxb4 Qb7 29. Nd2 Qxb4 30. Rb1 Qd4 31. g3 Bg5 32. Rb7 d5 33. Nf1 Qxe4 34. h4 Bf6 35. Rd7 Qc4 36. Qa7 d4 37. Qb7 Rf8 38. Kg2 Qc8 39. Qd5 Qa8 40. Rb7 Rb8 41. Rxb8+ Qxb8 42. Nd2 Qd8 43. Qxd8+ Bxd8 44. Kf3 f5 0-1

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.11.09"]
[Round "8"]
[White "Pettersson, Alexander"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1820"]
[BlackElo "1717"]
[PlyCount "89"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. Qc2 d6 6. e4 b4 7. Bd3 Bg7 8. h3 0-0 9. 0-0 e5 10. dxe6 Bxe6 11. Re1 Nc6 12. Be3 Nd7 13. Nbd2 b3 14. axb3 Nb4 15. Qb1 Bxb2 16. Ra4 Bg7 17. Bf1 Nb6 18. Ra3 f5 19. Bg5 Qb8 20. Bd3 f4 21. e5 Nxd3 22. Qxd3 dxe5 23. Be7 Bf5 24. Qd6 Rf7 25. Qxb8+ Rxb8 26. Bxc5 Rd7 27. Ne4 Rd3 28. Nd6 Bf8 29. Nxe5 Rxd6 30. Bxd6 Bxd6 31. Rxa7 Nc8 32. Ra6 Rxb3 33. Nf3 Kg7 34. Nd4 Rb6 35. Nxf5+ gxf5 36. Ra8 Rc6 37. Re8 Nb6 38. Ra7+ Kf6 39. Rxh7 Nxc4 40. Rh6+ Kf7 41. Ree6 Nd2 42. Rhf6+ Kg7 43. Rg6+ Kf7 44. Rgf6+ Kg7 45. Rg6+ 1/2-1/2

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.11.03"]
[Round "7"]
[White "Pietrzak, Wojciech"]
[Black "Kania, Tomasz"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1717"]
[BlackElo "1703"]
[PlyCount "76"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Qc2 0-0 8. Bg5 h6 9. Bh4 b6 10. Bd3 Bb7 11. 0-0 dxc4 12. Be4 Bxe4 13. Nxe4 Nbd7 14. Ne5 Be7 15. Nc6 Qe8 16. Nxe7+ Qxe7 17. f4 Rac8 18. Rae1 Qb4 19. Nxf6+ Nxf6 20. Bxf6 gxf6 21. Re3 f5 22. Qf2 Kh7 23. Qh4 Rg8 24. Qf6 Rc7 25. Qe5 Rd7 26. Rd1 Qxb2 27. Re2 Qb4 28. Kh1 Qd6 29. Qe3 Qd5 30. Qh3 Rg4 31. Re5 Qc6 32. d5 Rxd5 33. Rdxd5 exd5 34. Rxf5 Rg7 35. Re5 d4 36. Re2 d3 37. Rf2 Qe4 38. Kg1 c3 0-1

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.10.27"]
[Round "6"]
[White "Polak, Michal"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1947"]
[BlackElo "1717"]
[PlyCount "86"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 c5 5. c4 Nc6 6. 0-0 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 Nd5 11. Bb2 0-0 12. Nb3 Be7 13. Nfd4 Bd7 14. Nf5 exf5 15. Bxd5 Be6 16. c4 Rfd8 17. a3 a5 18. Rd3 a4 19. Nd2 Bc5 20. Nf3 Ne7 21. Bxe6 fxe6 22. Rad1 Nc6 23. Ng5 Rxd3 24. Rxd3 e5 25. Ne6 Be7 26. Rd7 Kf7 27. Nc5 b6 28. Nd3 Ke6 29. Rb7 Ra6 30. Nxe5 Nxe5 31. Bxe5 Bxa3 32. Bxg7 Bc1 33. Bd4 a3 34. Rxh7 Bb2 35. Rh6+ Kf7 36. Rh7+ Kg6 37. Rg7+ Kh6 38. Rd7 Bxd4 39. Rxd4 a2 40. Rd6+ Kg7 41. Rd1 a1Q 42. Rxa1 Rxa1+ 43. Kg2 Rc1 0-1

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.10.20"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Adamski, Adam"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1717"]
[BlackElo "1761"]
[PlyCount "97"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. c5 Bg7 7. Bb5+ Bd7 8. Nge2 0-0 9. 0-0 Bxb5 10. Nxb5 Nc6 11. h3 Ne4 12. Nbc3 Nf6 13. Rb1 e6 14. b4 Qd7 15. b5 Na5 16. Qa4 Nc4 17. c6 Qe7 18. cxb7 Qxb7 19. Qb4 Rfc8 20. a4 a5 21. Qb3 Nb6 22. Be3 Rc4 23. Rfc1 Rac8 24. Nf4 Nfd7 25. Nce2 Rxa4 26. Nd3 Rac4 27. Qa3 Rxc1+ 28. Nexc1 Nc4 29. Qa2 Qb6 30. Nc5 Rc7 31. Na4 Qd6 32. Nd3 Ndb6 33. Bf4 Qe7 34. Nxb6 Nxb6 35. Bxc7 Qxc7 36. Ne5 Bxe5 37. dxe5 a4 38. Qa1 Qc4 39. Qb2 d4 40. Rd1 d3 41. Qa3 Qxb5 42. Rxd3 Nd5 43. Rd4 Qb1+ 44. Kh2 Qe1 45. f4 h5 46. Rxa4 Qd2 47. Qg3 Ne3 48. Qf3 Qe1 49. Ra1 1/2-1/2

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.10.12"]
[Round "4"]
[White "Mazurek, Jerzy"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1746"]
[BlackElo "1717"]
[PlyCount "57"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. a4 Bb7 8. c3 0-0 9. d4 Bb6 10. Bg5 h6 11. Bxf6 Qxf6 12. Bd5 exd4 13. cxd4 Rab8 14. e5 Qf4 15. axb5 axb5 16. Bxc6 dxc6 17. Qd2 Qxd2 18. Nbxd2 c5 19. dxc5 Bxc5 20. Rfc1 Bb6 21. Nb3 Bxf3 22. gxf3 Rfe8 23. Nc5 Rxe5 24. Nd7 Rg5+ 25. Kf1 Re8 26. Nxb6 cxb6 27. Rc6 Rg6 28. Rxg6 fxg6 29. Rd1 1/2-1/2

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.10.06"]
[Round "3"]
[White "Pietrzak, Wojciech"]
[Black "Liberadzki, Slawomir"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1717"]
[BlackElo "1958"]
[PlyCount "81"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 a6 8. 0-0 Nxd4 9. Qxd4 Bc5 10. Qd3 h6 11. Bf4 d6 12. Rad1 e5 13. Be3 Be6 14. Bxc5 dxc5 15. Nd5 Bxd5 16. exd5 Qd6 17. c4 0-0 18. Rfe1 Rfe8 19. Re2 Re7 20. Rde1 Rae8 21. Be4 Kf8 22. f3 Nxe4 23. Qxe4 g6 24. Qe3 Kg7 25. Qc3 f6 26. Kg2 h5 27. Re4 Kf7 28. R4e2 f5 29. Qd3 b6 30. Qd2 Kg7 31. Qc3 Qf6 32. Qd2 e4 33. fxe4 Rxe4 34. Rxe4 fxe4 35. Rf1 Qd4 36. Qf4 Qxb2+ 37. Rf2 Qe5 38. Qf7+ Kh6 39. Rf6 Qg5 40. h4 Qd2+ 41. Kh3 1-0

[Event "Warsaw YMCA Autumn-A 278th"]
[Site "Warsaw"]
[Date "2023.09.22"]
[Round "1"]
[White "Choroszej, Aleksander"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1878"]
[BlackElo "1717"]
[PlyCount "53"]
[EventDate "2023.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 b5 6. b3 Bg4 7. Be2 e6 8. 0-0 Bd6 9. Bb2 bxc4 10. bxc4 0-0 11. h3 Bh5 12. Qa4 Ne4 13. Qd1 f5 14. Nxe4 fxe4 15. Nd2 Bxe2 16. Qxe2 Nd7 17. f3 exf3 18. Rxf3 Rxf3 19. Qxf3 Qg5 20. Rf1 Rf8 21. Qe2 Qg3 22. Rxf8+ Kxf8 23. Nf1 Qg6 24. c5 Be7 25. Qxa6 e5 26. Qc8+ Qe8 27. Qxc6 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.19"]
[Round "9"]
[White "Zeissel, Andrzej"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1813"]
[BlackElo "1764"]
[PlyCount "97"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 d5 5. exd5 Qxd5 6. c3 Nf6 7. Bg2 Be7 8. 0-0 Qh5 9. d4 cxd4 10. cxd4 0-0 11. Nc3 Rd8 12. Rd1 Nb4 13. h3 Qa5 14. Bd2 Qb6 15. Na4 Qc6 16. Nc5 Nbd5 17. Rac1 Qe8 18. Ne5 a5 19. g4 Qf8 20. g5 Ne8 21. Be4 g6 22. Ng4 b6 23. Nd3 Ba6 24. Qf3 Ra7 25. Nh6+ Kg7 26. Ne5 f5 27. Nc6 Rad7 28. Bxd5 Rxd5 29. Nxd8 Bxd8 30. Bf4 Qb4 31. Qc3 Qe7 32. h4 Bb7 33. Qa3 Qxa3 34. bxa3 Rd7 35. Rd2 Nd6 36. Be5+ Kf8 37. Rdc2 Nb5 38. Rc4 Nxa3 39. Rc6 Bxc6 40. Rxc6 Nb5 41. Rxe6 Nxd4 42. Bd6+ Be7 43. Bxe7+ Rxe7 44. Rxb6 Re6 45. Rb7 Re7 46. Rb6 Re6 47. Rb1 Re4 48. Rb8+ Re8 49. Rb6 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.18"]
[Round "8"]
[White "Pietrzak, Wojciech"]
[Black "Moszczenski, Milosz"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1764"]
[BlackElo "1783"]
[PlyCount "99"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bd3 0-0 8. h3 Nc6 9. 0-0 Nb4 10. Be2 Bf5 11. a3 Nc6 12. Be3 dxc4 13. Bxc4 Rc8 14. Ba2 Ne4 15. d5 Nxc3 16. bxc3 Ne5 17. Nxe5 Bxe5 18. Bd4 Qd6 19. Bxe5 Qxe5 20. Re1 Qd6 21. Qb3 Rc7 22. c4 b6 23. Re3 Bc8 24. Rae1 Re8 25. Qd1 Ba6 26. Qa4 b5 27. cxb5 Bc8 28. Qd1 Bf5 29. Bb3 Rec8 30. a4 Qb4 31. Qf3 Rc3 32. Bd1 h5 33. Qe2 Bd3 34. Qd2 Qc4 35. Rxe7 Qxd5 36. Re8+ Kh7 37. Rxc8 Rxc8 38. Be2 Be4 39. Qxd5 Bxd5 40. a5 Rc2 41. Rd1 Be6 42. Bd3 Ra2 43. a6 Kg7 44. Be4 Rb2 45. Rb1 Rxb1+ 46. Bxb1 Bc4 47. b6 axb6 48. a7 Bd5 49. Bd3 Kf8 50. Be2 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.13"]
[Round "3"]
[White "Haliniak, Wojciech"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1901"]
[BlackElo "1764"]
[PlyCount "105"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 d6 5. Bg2 Nf6 6. 0-0 Be7 7. c3 e5 8. Na3 Bg4 9. Nc2 Qd7 10. Rd1 Nxe4 11. d4 cxd4 12. Qxe4 d5 13. Qe1 Qf5 14. Nxe5 Qxe5 15. Qxe5 Nxe5 16. Rxd4 0-0-0 17. Rxd5 Nf3+ 18. Bxf3 Bxf3 19. Rxd8+ Rxd8 20. Be3 a6 21. Nd4 Bd5 22. Nf5 Bf8 23. Bd4 g6 24. Ne3 Be6 25. f4 f5 26. b3 Kd7 27. Kf2 Kc6 28. Ke2 Bd5 29. Nxd5 Kxd5 30. Rd1 Re8+ 31. Be5+ Kc6 32. Kf3 g5 33. h3 h5 34. c4 Be7 35. fxg5 Bxg5 36. Rd6+ Kc5 37. Rd5+ Kc6 38. Bf4 Bxf4 39. Kxf4 h4 40. gxh4 Re4+ 41. Kxf5 Rxh4 42. Rd3 Rh5+ 43. Kg4 Ra5 44. Rd2 b5 45. cxb5+ axb5 46. h4 Ra8 47. h5 Rg8+ 48. Kf5 Rh8 49. Rh2 Kc5 50. Kg6 Kb4 51. Kg7 Ra8 52. h6 Ka3 53. b4 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.12"]
[Round "2"]
[White "Kulpa, Zuzanna"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1911"]
[BlackElo "1764"]
[PlyCount "123"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 axb5 7. Bxb5 Ba6 8. a4 Bg7 9. Bd2 0-0 10. e4 d6 11. Nf3 Bxb5 12. axb5 Nbd7 13. 0-0 Qb6 14. Qe2 Ng4 15. h3 Nge5 16. Nxe5 Bxe5 17. f4 Bd4+ 18. Kh2 Rac8 19. Ra6 Qb8 20. Be3 f5 21. exf5 Rxf5 22. Bxd4 cxd4 23. Qe6+ Rf7 24. Qxd7 dxc3 25. bxc3 Rc7 26. Qe6 Qxb5 27. Ra8+ Kg7 28. Rf3 Qb7 29. Rh8 Kxh8 30. Qxf7 Qc8 31. f5 Qg8 32. fxg6 hxg6 33. Qf4 Qg7 34. Re3 Kg8 35. Qa4 Qf6 36. Qe8+ Kg7 37. Rf3 Qe5+ 38. Kg1 Kh6 39. Qf8+ Qg7 40. Qf4+ Kh7 41. Qe4 Kh8 42. Rg3 Kh7 43. c4 Qa1+ 44. Kh2 Qf6 45. h4 Kh6 46. Qe3+ Kh7 47. Qd3 Kh6 48. Kh3 e5 49. Qe4 Qf5+ 50. Rg4 Rc8 51. Qe3+ Kh7 52. Qa7+ Kh6 53. Qe3+ Kh7 54. Kg3 Qf7 55. Qb6 Qd7 56. Qb1 Qf5 57. Qb7+ Kh6 58. Qe7 Qd3+ 59. Kh2 Rxc4 60. Qg5+ Kh7 61. Rg3 Qf5 62. Qe7+ 1/2-1/2

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "6"]
[White "Pietrzak, Wojciech"]
[Black "Zubova, Mariya"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1764"]
[BlackElo "2163"]
[PlyCount "60"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. c3 Be7 5. Nd2 h6 6. Bh4 Nbd7 7. f4 c5 8. Bd3 b6 9. Ngf3 Bb7 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Ne5 0-0-0 13. a4 a5 14. Nxe4 dxe4 15. Bb5 Nxe5 16. fxe5 f6 17. Qe2 fxe5 18. b4 exd4 19. cxd4 cxd4 20. bxa5 d3 21. Qg4 bxa5 22. Rac1+ Kb8 23. Qg3+ e5 24. Rf5 Rc8 25. Rxc8+ Rxc8 26. Rxe5 Rc1+ 27. Kf2 Qc7 28. Re8+ Ka7 29. Qh4 d2 30. Be2 Qf7+ 0-1

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "8"]
[White "Redzisz, Michal"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2269"]
[BlackElo "1764"]
[PlyCount "59"]
[EventDate "2023.07.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. Qc2 Bg7 6. e4 d6 7. cxb5 a6 8. Nc3 0-0 9. a4 axb5 10. Bxb5 Ba6 11. 0-0 Bxb5 12. Nxb5 Na6 13. Bd2 Nd7 14. Bc3 f6 15. Qe2 Ne5 16. Nd2 Nc7 17. f4 Nxb5 18. Qxb5 Nf7 19. Qe2 Qc7 20. Nc4 Rfb8 21. a5 Rb3 22. Nb6 Rb8 23. Qc4 Rxc3 24. bxc3 f5 25. exf5 gxf5 26. Rfb1 Nh6 27. h3 Kh8 28. a6 Rxb6 29. Rxb6 Qxb6 30. a7 1-0

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.18"]
[Round "5"]
[White "Brylski, Pawel"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1958"]
[BlackElo "1773"]
[PlyCount "72"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nfd7 7. Bc4 Bg7 8. Be3 0-0 9. Bb3 Nc6 10. 0-0 Nc5 11. Nxc6 bxc6 12. Bxc5 dxc5 13. Qe2 Qa5 14. e5 Rb8 15. Ne4 c4 16. Qxc4 Ba6 17. Qxc6 Bxf1 18. Rxf1 Rfc8 19. Qd7 Qb6+ 20. Kh1 Rc7 21. Qh3 h6 22. f5 Rd8 23. Qg3 gxf5 24. Nf6+ Kh8 25. Qf4 exf6 26. exf6 Bxf6 27. Qxh6+ Kg8 28. Qg6+ Bg7 29. Qxf5 Qf6 30. Qb5 a6 31. Qe2 Rd2 32. Qe1 Qg5 33. Qe4 Rcd7 34. h3 Be5 35. Qa8+ Kg7 36. g4 Rh2+ 0-1

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.18"]
[Round "6"]
[White "Pietrzak, Wojciech"]
[Black "Szlosarczyk, Hubert"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1773"]
[BlackElo "1654"]
[PlyCount "85"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nd7 3. e3 Ngf6 4. Nd2 e6 5. Bd3 Be7 6. c3 0-0 7. f4 c5 8. Ngf3 b6 9. 0-0 Bb7 10. Ne5 Ne4 11. Bxe7 Qxe7 12. Ndf3 Nxe5 13. Nxe5 f6 14. Nf3 Rac8 15. Nd2 Nxd2 16. Qxd2 c4 17. Bc2 f5 18. Rf3 Rf6 19. Raf1 Rg6 20. Rh3 a5 21. Kh1 b5 22. Rg1 Rg4 23. Bd1 Rh4 24. Rxh4 Qxh4 25. Bf3 Qe7 26. a3 Rf8 27. g4 g6 28. Qg2 Qf7 29. h4 Kh8 30. h5 Rg8 31. hxg6 hxg6 32. gxf5 Qh7+ 33. Qh2 Qxh2+ 34. Kxh2 gxf5 35. Rxg8+ Kxg8 36. Kh3 Kg7 37. Kh4 Kh6 38. Bh5 Bc6 39. Bf7 Bd7 40. Bh5 a4 41. Bf7 Kg7 42. Bh5 Kh6 43. Bf7 1-0

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.17"]
[Round "3"]
[White "Czarnecka, Lidia"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1940"]
[BlackElo "1773"]
[PlyCount "93"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 f6 6. exf6 Nxf6 7. Bd3 Qc7 8. 0-0 Bd7 9. Na3 a6 10. Re1 c4 11. Bb1 0-0-0 12. Ne5 Nxe5 13. dxe5 Ne4 14. Bxe4 dxe4 15. Qd4 Bc6 16. Qxc4 Qxe5 17. Be3 Bd6 18. g3 Qf5 19. Nc2 Qd5 20. Qxd5 exd5 21. Rad1 Rd7 22. Rd2 Bc7 23. Red1 h6 24. Nd4 Be5 25. Ne6 Re8 26. Nc5 Rf7 27. Kg2 Rf3 28. Nb3 g5 29. Na5 Rg8 30. Nxc6 bxc6 31. c4 dxc4 32. Rc1 c3 33. bxc3 Bf4 34. Bxf4 gxf4 35. Rd6 fxg3 36. hxg3 Rgf8 37. Rc2 R3f6 38. Rd4 Re8 39. Re2 Rfe6 40. Ra4 c5 41. g4 Kb7 42. Kg3 Kb6 43. Rb2+ Kc7 44. Re2 Kb6 45. Rb2+ Kc7 46. Rc4 Kc6 47. Ra4 1/2-1/2

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.16"]
[Round "1"]
[White "Kuciel, Wladyslaw"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1930"]
[BlackElo "1773"]
[PlyCount "64"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. e4 Nxe4 6. Bd3 Qa5+ 7. Nbd2 Nd6 8. 0-0 Bg7 9. Re1 bxc4 10. Nxc4 Nxc4 11. Bxc4 0-0 12. Rxe7 d6 13. h3 Nd7 14. Bf4 Qd8 15. Re2 Nb6 16. Bb5 Rb8 17. a4 Bb7 18. Bc6 Ba6 19. Rc2 Nc4 20. Qd3 Rb6 21. Rxc4 Bxc4 22. Qxc4 Rb4 23. Qc1 Bxb2 24. Bg5 f6 25. Qe3 fxg5 26. Re1 Rbf4 27. Rb1 Qf6 28. Nxg5 Be5 29. Ne6 Rxf2 30. Nxf8 Bd4 31. Qe6+ Qxe6 32. dxe6 Rb2+ 0-1

[Event "Krakow Malopolski op"]
[Site "Krakow"]
[Date "2022.06.16"]
[Round "2"]
[White "Pietrzak, Wojciech"]
[Black "Koziej, Maciej"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1773"]
[BlackElo "1953"]
[PlyCount "90"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c6 3. Nd2 d5 4. e3 Bf5 5. Ngf3 Qb6 6. Nh4 Be6 7. Bxf6 exf6 8. Bd3 Qxb2 9. 0-0 Nd7 10. Qe2 Qa3 11. f4 Nb6 12. Rab1 Be7 13. Rb3 Qd6 14. f5 Bd7 15. c4 dxc4 16. Bxc4 Nxc4 17. Nxc4 Qd5 18. Rxb7 c5 19. Rb3 g5 20. fxg6 hxg6 21. Nf3 Qh5 22. Qb2 0-0 23. Rb7 Rfd8 24. Ncd2 cxd4 25. exd4 Qd5 26. Re1 Bf8 27. Ne4 Bg7 28. Nc3 Qf5 29. d5 Qd3 30. Qb3 f5 31. Ne2 Qa6 32. Nf4 Ba4 33. Qb1 Bh6 34. Ne6 fxe6 35. Rxe6 Qxe6 36. dxe6 Rd1+ 37. Qxd1 Bxd1 38. Ne5 Re8 39. e7 Bg5 40. Nxg6 Bh5 41. Ne5 Rxe7 42. Rb8+ Kg7 43. Nc6 Rc7 44. Nb4 Be3+ 45. Kf1 Rc1# 0-1

[Event "Polanica Zdroj op-D 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.17"]
[Round "3"]
[White "Pietrzak, Wojciech"]
[Black "Bialik, Nikodem"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1773"]
[BlackElo "1552"]
[PlyCount "60"]
[EventDate "2020.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 e6 3. Nf3 Nf6 4. e4 d5 5. cxd5 exd5 6. d3 dxe4 7. Nxe4 Be7 8. Be2 0-0 9. b3 Nc6 10. 0-0 b6 11. Bb2 Bb7 12. h3 Nb4 13. Re1 Nxe4 14. dxe4 Bxe4 15. Qxd8 Bxd8 16. Red1 h6 17. Ne5 Bf6 18. f3 Bf5 19. g4 Bxe5 20. Bxe5 Rfe8 21. f4 f6 22. gxf5 fxe5 23. Bc4+ Kh8 24. Be6 exf4 25. Rd2 Rad8 26. Bd7 Re3 27. Rad1 Rxh3 28. Kg2 Re3 29. Be6 Red3 30. Bc4 Rxd2+ 0-1

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.19"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Spicak, Krzysztof"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1802"]
[BlackElo "1940"]
[PlyCount "104"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nf6 5. Be2 h5 6. h3 c6 7. Qd2 b5 8. Bf3 b4 9. Nce2 a5 10. Nc1 Qc7 11. Nd3 Nbd7 12. Ne2 Bb7 13. Bf4 e5 14. dxe5 dxe5 15. Bh2 c5 16. 0-0 c4 17. Ne1 Bh6 18. Qd4 Rc8 19. Qd1 Rd8 20. Ng3 Nc5 21. Qe2 h4 22. Nf5 gxf5 23. exf5 Nce4 24. Bxe4 Rd2 25. Bc6+ Qxc6 26. Qxe5+ Kf8 27. Bf4 Rd5 28. Bxh6+ Rxh6 29. Qe3 Rh5 30. Nf3 Rdxf5 31. Rfd1 Nd5 32. Qa7 Rxf3 33. gxf3 Rg5+ 34. Kf1 Qc8 35. Rd4 Qxh3+ 36. Ke2 Re5+ 37. Kd2 c3+ 38. bxc3 bxc3+ 39. Kd3 Qxf3+ 40. Kc4 Re8 41. Qc5+ Ne7 42. Re1 Bd5+ 43. Rxd5 Qxd5+ 44. Qxd5 Nxd5 45. Rh1 Re2 46. Rxh4 Rxc2 47. Kxd5 Rd2+ 48. Kc5 Rxa2 49. Rc4 c2 50. f4 Ke7 51. Kd5 Kf6 52. Ke4 Ra4 0-1

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.18"]
[Round "7"]
[White "Potocki, Karol"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1862"]
[BlackElo "1802"]
[PlyCount "76"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qd6 8. 0-0 0-0 9. Qe2 Nc6 10. Nb3 Bb6 11. Bg5 Bd8 12. Rad1 Nd5 13. Bxd8 Rxd8 14. Rfe1 h6 15. Qe4 Qf8 16. Bxd5 exd5 17. Rxd5 Be6 18. Rb5 Bxb3 19. Rxb3 Rd7 20. h3 Qc5 21. Rbe3 Rad8 22. c3 Ne7 23. Nd4 Nd5 24. Qf5 Qc8 25. Rg3 Re7 26. Rxe7 Nxe7 27. Qa5 a6 28. h4 Rd5 29. Qb6 Ng6 30. Qb3 Qd7 31. h5 Nf4 32. Qb6 Kh8 33. Rf3 Qg4 34. Rxf4 Qxf4 35. Qxb7 Qc1+ 36. Kh2 Rxh5+ 37. Kg3 Rg5+ 38. Kh3 Qh1# 0-1

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.18"]
[Round "8"]
[White "Trybus, Daniel"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1860"]
[BlackElo "1802"]
[PlyCount "71"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. a3 Bxc3+ 7. bxc3 Ne5 8. e4 d6 9. f3 0-0 10. Bg5 h6 11. Be3 Qe7 12. Be2 a6 13. 0-0 c5 14. Nb3 Be6 15. Nd2 Rfe8 16. Rb1 Rab8 17. Qa4 Qc7 18. Rb2 Bd7 19. Qc2 Bc6 20. Rfb1 Ned7 21. Nf1 Re6 22. Bf2 Rbe8 23. Ne3 Qa5 24. Nd5 Nxd5 25. cxd5 Bxd5 26. exd5 Rxe2 27. Qxe2 Rxe2 28. Rxe2 b5 29. Bg3 Qxc3 30. Rd1 Qf6 31. Re8+ Kh7 32. Ra8 c4 33. Rxa6 Ne5 34. Rb6 c3 35. Bxe5 c2 36. Rf1 1/2-1/2

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.17"]
[Round "6"]
[White "Pietrzak, Wojciech"]
[Black "Podgorski, Maciej"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1802"]
[BlackElo "1835"]
[PlyCount "52"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 e5 5. d3 Be7 6. h3 Nc6 7. Nbd2 0-0 8. Qc2 Be6 9. Nf1 b5 10. g4 d5 11. Ng3 d4 12. g5 Nd7 13. h4 dxc3 14. bxc3 b4 15. Nf5 bxc3 16. h5 Nd4 17. N3xd4 exd4 18. g6 fxg6 19. hxg6 hxg6 20. Nh6+ gxh6 21. Rxh6 Kg7 22. Bh5 gxh5 23. Rxe6 Bh4 24. Bh6+ Kh7 25. Qe2 Rxf2 26. Qxh5 Rf5+ 0-1

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.16"]
[Round "5"]
[White "Liberadzki, Slawomir"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1959"]
[BlackElo "1802"]
[PlyCount "69"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d5 7. e3 c6 8. b3 Bd7 9. Bb2 Na6 10. Qc2 Be8 11. a3 Nd7 12. Ne2 Bf6 13. d4 g5 14. Ne5 Bg6 15. f4 Nxe5 16. dxe5 Be7 17. b4 Rc8 18. Qb3 b5 19. cxb5 cxb5 20. Nd4 Qd7 21. Nxe6 Bf7 22. Nxf8 Bxf8 23. Bd4 g4 24. Rfc1 Rc4 25. Bf1 Nb8 26. Rd1 a6 27. Qb2 Qc6 28. Bxc4 dxc4 29. Ba7 c3 30. Qg2 Qc7 31. Bxb8 Qxb8 32. Qc6 Bc4 33. Rd7 a5 34. Qf6 Qa8 35. Rd8 1-0

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.15"]
[Round "4"]
[White "Pietrzak, Wojciech"]
[Black "Dwilewicz, Katarzyna"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1802"]
[BlackElo "2070"]
[PlyCount "81"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. Bd3 Be7 7. 0-0 0-0 8. h3 Nc6 9. Be3 b6 10. Re1 h6 11. Nbd2 Bd6 12. a3 Re8 13. Bb5 Bd7 14. dxc5 bxc5 15. b4 d4 16. Nc4 dxe3 17. Nxd6 exf2+ 18. Kxf2 Rxe1 19. Qxe1 cxb4 20. axb4 Nxb4 21. cxb4 Qb6+ 22. Qe3 Qxd6 23. Ra6 Qxb4 24. Bxd7 Nxd7 25. Rxa7 Qb2+ 26. Kg1 Rxa7 27. Qxa7 Qb6+ 28. Qxb6 Nxb6 29. g4 Kf8 30. Kg2 Ke7 31. Nd4 g6 32. Kf3 Kf6 33. Ke4 Nc4 34. h4 Ne5 35. g5+ hxg5 36. hxg5+ Kxg5 37. Kxe5 f5 38. Ne6+ Kg4 39. Kf6 f4 40. Nxf4 Kxf4 41. Kxg6 1/2-1/2

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.14"]
[Round "3"]
[White "Misiuk, Andrzej"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2215"]
[BlackElo "1802"]
[PlyCount "24"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 c6 6. d4 Be7 7. Nf3 0-0 8. Rf1 Re8 9. e3 c5 10. Qb3 Nc6 11. Ne5 cxd4 12. Nxc6 dxc3 1-0

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.13"]
[Round "2"]
[White "Pietrzak, Wojciech"]
[Black "Goslawski, Michal"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1802"]
[BlackElo "2099"]
[PlyCount "68"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. g3 d5 2. c4 dxc4 3. Nf3 Nf6 4. Bg2 e6 5. Na3 Bxa3 6. Qa4+ Bd7 7. Qxa3 Bc6 8. Qb4 b5 9. a4 Nd5 10. Qc5 Qd6 11. Qxd6 cxd6 12. Nd4 b4 13. b3 cxb3 14. Bb2 Kd7 15. Nxc6 Nxc6 16. Bxg7 Rhc8 17. 0-0 Na5 18. e4 Ne7 19. Rfb1 Rc2 20. d3 Rac8 21. Bf1 Ra2 22. Bh6 Rcc2 23. Be3 Nec6 24. Kg2 d5 25. exd5 exd5 26. Kf3 d4 27. Bh3+ Kd6 28. Bf4+ Kd5 29. Rf1 Rxa1 30. Rxa1 Ne5+ 31. Bxe5 Kxe5 32. Re1+ Kd5 33. Bf5 b2 34. Rb1 Nb3 0-1

[Event "Warsaw-chA 67th"]
[Site "Warsaw"]
[Date "2018.11.12"]
[Round "1"]
[White "Rozycki, Bartlomiej"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2138"]
[BlackElo "1802"]
[PlyCount "117"]
[EventDate "2018.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. Nf3 Bg7 8. a4 0-0 9. Be2 axb5 10. Bxb5 Ba6 11. Ra3 Ne8 12. 0-0 Nc7 13. Qd3 Nd7 14. e4 Qb8 15. Bxa6 Nxa6 16. Nb5 Nb4 17. Qe2 Rc8 18. Bd2 Bxb2 19. Rb3 Bg7 20. Bxb4 cxb4 21. Rxb4 Nc5 22. Qa2 Bf6 23. Rfb1 Nd3 24. Rc4 Nb2 25. Rxc8+ Qxc8 26. e5 Nxa4 27. exf6 Nc3 28. Qxa8 Qxa8 29. Nxc3 exf6 30. Nd4 Kg7 31. Ndb5 Qc8 32. Ra1 f5 33. Ra7 Kh6 34. g3 f6 35. Kg2 f4 36. Ne4 g5 37. Nbxd6 Qc2 38. g4 Kg6 39. Rf7 f3+ 40. Kxf3 Qd1+ 41. Ke3 h5 42. Rxf6+ Kg7 43. gxh5 Qxh5 44. Nf5+ Kg8 45. Rg6+ Kf8 46. Rf6+ Kg8 47. f3 g4 48. fxg4 Qxh2 49. d6 Qg1+ 50. Kf4 Qc1+ 51. Ne3 Qc6 52. Re6 Kf7 53. Re5 Kg6 54. Rg5+ Kf7 55. Rd5 Ke6 56. d7 Qc7+ 57. Kf3 Qd8 58. Nc5+ Ke7 59. Nb7 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.12.08"]
[Round "12"]
[White "Kasperski, Marcin"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1766"]
[BlackElo "1881"]
[PlyCount "112"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 c5 4. Bg2 dxc4 5. Na3 Nc6 6. Nxc4 Be7 7. 0-0 Nf6 8. d3 0-0 9. a3 Bd7 10. Nfe5 Rc8 11. Nxd7 Nxd7 12. Rb1 b5 13. Ne3 a5 14. a4 bxa4 15. Qxa4 Nd4 16. Re1 c4 17. Nxc4 Bb4 18. Bd2 Rxc4 19. dxc4 Nc5 20. Qd1 Bxd2 21. e3 Ndb3 22. Re2 Qd3 23. Bf1 Rd8 24. e4 Nxe4 25. Re3 Qxe3 26. fxe3 Bxe3+ 27. Kg2 Rxd1 28. Rxd1 Bd2 29. Bd3 f5 30. Kf3 Nec5 31. Ke2 Bc1 32. Bc2 Bxb2 33. Bxb3 Nxb3 34. Rb1 Nc1+ 35. Kd2 Ba3 36. c5 Na2 37. Rb8+ Kf7 38. c6 Bd6 39. Rb7+ Kf6 40. c7 Bxc7 41. Rxc7 Nb4 42. Ra7 Nc6 43. Ra6 Ne5 44. Ke2 h5 45. Rxa5 Ng4 46. h3 Nh6 47. Ra4 Nf7 48. h4 Nd6 49. Kf3 Ne4 50. Ra8 g5 51. hxg5+ Nxg5+ 52. Kf4 e5+ 53. Ke3 Ne4 54. Kf3 Ng5+ 55. Ke3 Ne4 56. Kf3 Ng5+ 1/2-1/2

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.11.30"]
[Round "11"]
[White "Pietrzak, Wojciech"]
[Black "Major, Boguslaw"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1881"]
[BlackElo "1732"]
[PlyCount "100"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. d4 Nxe4 4. Nxe4 dxe4 5. Bc4 Nd7 6. c3 Nf6 7. Bg5 g6 8. Qb3 e6 9. 0-0-0 c6 10. a4 Be7 11. Bh6 Ng4 12. Be3 Bg5 13. Nh3 Bxe3+ 14. fxe3 Nxe3 15. Rd2 Nxc4 16. Qxc4 Qd5 17. Qe2 Qa2 18. Qxe4 Qa1+ 19. Qb1 Qxa4 20. Rf2 f5 21. Re1 0-0 22. Nf4 Qc4 23. Rfe2 c5 24. Qd3 Qxd3 25. Nxd3 cxd4 26. cxd4 Rd8 27. Nf4 Rxd4 28. Nxe6 Bxe6 29. Rxe6 Rc8+ 30. Kb1 Rcd8 31. Re8+ Rxe8 32. Rxe8+ Kf7 33. Rh8 Kg7 34. Rb8 Rd7 35. Kc2 g5 36. Rc8 f4 37. Rc3 Kf6 38. g4 Kg6 39. b4 h5 40. h3 a6 41. Rc8 hxg4 42. hxg4 f3 43. Rg8+ Rg7 44. Rd8 f2 45. Rd6+ Kf7 46. Rd7+ Ke6 47. Rxg7 f1Q 48. Rxg5 Qc4+ 49. Kb2 Qxb4+ 50. Kc2 a5 0-1

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.11.24"]
[Round "10"]
[White "Herman, Monika"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1773"]
[BlackElo "1881"]
[PlyCount "181"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 d5 3. e3 Nf6 4. Nf3 Nbd7 5. Nbd2 h6 6. h3 c5 7. c3 Qb6 8. Qb3 c4 9. Qc2 Qc6 10. Be2 b5 11. a3 a5 12. 0-0 Qb7 13. Ne5 Nxe5 14. Bxe5 Nd7 15. Bg3 Be7 16. e4 0-0 17. exd5 exd5 18. Bf3 Ra6 19. Rfe1 Nf6 20. Re2 Be6 21. Rae1 Qd7 22. Ra1 Re8 23. Ree1 Bf5 24. Qd1 Rb6 25. Be5 Re6 26. g4 Bh7 27. Bg2 Ne4 28. f3 Nxd2 29. Qxd2 Bh4 30. Re3 g5 31. f4 f6 32. f5 R6e7 33. Rf1 Kf7 34. Qe2 fxe5 35. dxe5 Qd8 36. e6+ Kf6 37. Rd1 Qb6 38. Rxd5 Bg3 39. Kh1 Bf4 40. Re4 Rd8 41. Red4 Rxd5 42. Bxd5 Be5 43. Rd1 h5 44. Bf3 hxg4 45. hxg4 Bg8 46. Kg2 Rh7 47. Rh1 Rxh1 48. Kxh1 Qc5 49. Qd1 Bd6 50. Qf1 Qe5 51. Qf2 Bc5 52. Qd2 Bd6 53. Bc6 Ke7 54. Qxg5+ Qf6 55. Qxf6+ Kxf6 56. Bxb5 Be7 57. Bxc4 Ke5 58. Kg2 Kf4 59. f6 Bxf6 60. e7 Bxe7 61. Bxg8 Kxg4 62. Kf2 Kf4 63. Ke2 Ke5 64. Kd3 Kd6 65. Kc4 Kc6 66. Bf7 Kb6 67. Be8 Bf8 68. b4 Be7 69. Kb3 axb4 70. axb4 Bh4 71. Ka4 Be1 72. c4 Bf2 73. Kb3 Bd4 74. Kc2 Bf2 75. Kd2 Bg1 76. Ba4 Bf2 77. Ke2 Bg1 78. Kf3 Bd4 79. Ke4 Bg1 80. Kd5 Bf2 81. c5+ Kc7 82. b5 Bg1 83. b6+ Kb7 84. Bb5 Bf2 85. Kd6 Bg3+ 86. Kd7 Bf4 87. Bd3 Bg3 88. Be4+ Ka6 89. b7 Kb5 90. c6 Kb6 91. Kc8 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.11.17"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Trybula, Agata"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1881"]
[BlackElo "1693"]
[PlyCount "73"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 Nf6 2. b3 b6 3. Bb2 e6 4. d3 d5 5. e3 Be7 6. Nd2 Bb7 7. Be2 Nbd7 8. Bf3 c5 9. Nc4 0-0 10. Ne2 Qc7 11. Ne5 Ne8 12. 0-0 Bf6 13. d4 g6 14. g4 Bg7 15. h4 f6 16. Nd3 e5 17. dxe5 fxe5 18. fxe5 Nxe5 19. Nxe5 Bxe5 20. Bxd5+ Kg7 21. Bxe5+ Qxe5 22. Bxb7 Qxe3+ 23. Kg2 Rxf1 24. Qxf1 Rb8 25. Bd5 Nf6 26. Bf3 Rf8 27. Qg1 Qe5 28. Rd1 Qe6 29. Nf4 Qe5 30. Nd3 Qc3 31. Qe1 Qd4 32. Qe5 Qd8 33. g5 Kg8 34. gxf6 Re8 35. f7+ Kxf7 36. Bd5+ Kf8 37. Rf1+ 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.11.15"]
[Round "8"]
[White "Markiewicz, Michal"]
[Black "Pietrzak, Wojciech"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1889"]
[BlackElo "1881"]
[PlyCount "108"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ Qd7 5. Qxd7+ Nxd7 6. Rxb1 Ngf6 7. Nf3 Nb6 8. g3 Nbxd5 9. Bg2 e6 10. 0-0 Be7 11. Ne5 Nd7 12. Nxd7 Kxd7 13. e4 Nf6 14. Re1 c6 15. b4 b5 16. Bd2 Rhb8 17. Rec1 Rb6 18. Rc2 Ne8 19. Be3 Ra6 20. d5 e5 21. Bh3+ Kc7 22. Bc5 Bg5 23. Rd1 Rd8 24. Bf1 Kb8 25. h4 Bf6 26. d6 Rd7 27. Bh3 Kc8 28. Rdc1 Kd8 29. Bxd7 Kxd7 30. Kg2 Bd8 31. f4 exf4 32. gxf4 Nf6 33. Re1 Ra3 34. Bf2 Nh5 35. Re3 Ra4 36. Kf3 Rxb4 37. Rec3 f5 38. Rxc6 fxe4+ 39. Kg4 Nf6+ 40. Kg3 Ra4 41. f5 Nh5+ 42. Kh2 Nf6 43. Bg3 Rd4 44. Ra6 Bb6 45. Rxa7+ Bxa7 46. Rc7+ Kd8 47. Rxa7 e3 48. Ra8+ Kd7 49. Ra7+ Kd8 50. Kg2 Nh5 51. Ra8+ Kd7 52. Ra7+ Kd8 53. Ra8+ Kd7 54. Ra7+ Kd8 1/2-1/2

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.11.08"]
[Round "7"]
[White "Pietrzak, Wojciech"]
[Black "Szukalski, Antoni"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1881"]
[BlackElo "1741"]
[PlyCount "43"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. e5 Nc6 5. Ngf3 cxd4 6. Nb3 Bb4+ 7. Bd2 Qb6 8. a3 Bxd2+ 9. Qxd2 Nge7 10. Bd3 Ng6 11. Qe2 Nf4 12. Qd2 Nxd3+ 13. Qxd3 Bd7 14. 0-0 Rc8 15. Nbxd4 Nxd4 16. Nxd4 Rc4 17. Rfd1 0-0 18. b3 Rc7 19. Rac1 Qc5 20. c4 Qxa3 21. Nc2 dxc4 22. Nxa3 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.10.21"]
[Round "5"]
[White "Jaskowski, Piotr"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1871"]
[BlackElo "1881"]
[PlyCount "45"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 c5 4. exd5 exd5 5. d4 Nc6 6. dxc5 d4 7. Ne4 Bxc5 8. Nxc5 Qa5+ 9. c3 dxc3 10. b4 Nxb4 11. Nd3 Bf5 12. Nxb4 Qxb4 13. Qd4 Qe7+ 14. Be3 c2 15. Bb5+ Kf8 16. 0-0 Nf6 17. Rac1 a6 18. Ba4 Rc8 19. Rfe1 Qa3 20. Bb3 Qa5 21. Bd2 Qc7 22. Bb4+ Kg8 23. Re7 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.10.14"]
[Round "4"]
[White "Pietrzak, Wojciech"]
[Black "Kolodziejczyk, Andrzej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1881"]
[BlackElo "1799"]
[PlyCount "58"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd3 c6 6. h3 Bf5 7. Nf3 e6 8. 0-0 Nbd7 9. Be2 Bd6 10. Nh4 Bg6 11. Re1 Qc7 12. Nxg6 hxg6 13. Bf3 0-0-0 14. Ne2 Nd5 15. c4 Nf4 16. Bxf4 Bxf4 17. Qa4 Nb6 18. Qxa7 Nxc4 19. d5 Nd2 20. Bg4 Rxd5 21. Nxf4 Qxf4 22. Rxe6 fxe6 23. Bxe6+ Kc7 24. Bxd5 cxd5 25. Qa5+ Kb8 26. Rd1 Ne4 27. Qxd5 Qxf2+ 28. Kh2 Rxh3+ 29. Kxh3 Qg3# 0-1

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.10.06"]
[Round "3"]
[White "Koziol, Pawel"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1855"]
[BlackElo "1881"]
[PlyCount "79"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 e6 5. d4 cxd4 6. Nxd4 a6 7. Bg2 Ne7 8. 0-0 0-0 9. Bg5 h6 10. Be3 Qc7 11. Rc1 Qxc4 12. Nd5 exd5 13. Rxc4 dxc4 14. Qc1 d5 15. b3 b5 16. Qa3 Bxd4 17. Bxd4 Nbc6 18. Bc5 Re8 19. bxc4 bxc4 20. Rd1 Rb8 21. Qe3 Bg4 22. f3 Bf5 23. Qxh6 Rb2 24. Rd4 f6 25. Rh4 Kf7 26. e4 Rb1+ 27. Bf1 g5 28. exf5 gxh4 29. Qh7+ Kf8 30. Qg6 Re1 31. Qxf6+ Kg8 32. Qg5+ Kf7 33. Kf2 Re5 34. Qh5+ Kf8 35. Qh8+ Kf7 36. Qh7+ Kf6 37. Qxh4+ Kxf5 38. f4 Re4 39. Qh5+ Kf6 40. Qxe8 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.09.30"]
[Round "1"]
[White "Kaminski, Jan"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "1882"]
[BlackElo "1881"]
[PlyCount "65"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e6 2. g3 c5 3. Bg2 Nc6 4. Nf3 g6 5. 0-0 Bg7 6. Nc3 Nge7 7. d3 0-0 8. Bf4 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Qd2 Re8 12. Bh6 Rxe2 13. Qxe2 Bxh6 14. h3 Be6 15. Rfd1 Qb6 16. a3 Na5 17. b4 cxb4 18. Rab1 b3 19. Ne5 Rc8 20. Ng4 Bxg4 21. hxg4 Rc2 22. Qe8+ Bf8 23. d4 Qe6 24. Qd8 Qe2 25. Rf1 Nc6 26. Qxd5 Qxg4 27. Rxb3 Nxd4 28. Rxb7 Ne6 29. Qd7 Qf5 30. Be4 Qh3 31. Bxc2 Bc5 32. Qxf7+ Kh8 33. Rb8+ 1-0

[Event "Warsaw YMCA Autumn-B 175th"]
[Site "Warsaw"]
[Date "2016.09.29"]
[Round "2"]
[White "Pietrzak, Wojciech"]
[Black "Rusin, Ryszard"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1881"]
[BlackElo "1731"]
[PlyCount "65"]
[EventDate "2016.09.22"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 Qc7 6. 0-0 Nge7 7. Bf4 Nf5 8. Bxf5 exf5 9. Nc3 Be6 10. Nb5 Qb6 11. Nd6+ Bxd6 12. exd6 0-0-0 13. c4 cxd4 14. c5 Qa5 15. Nxd4 Bd7 16. Qd3 g6 17. Rfc1 Rde8 18. Bd2 Qa4 19. Nxc6 Bxc6 20. b4 Re6 21. Qd4 Rg8 22. Re1 Rge8 23. h3 a5 24. Rxe6 Rxe6 25. Qh8+ Be8 26. bxa5 h5 27. Qb2 Qb5 28. Qc1 Re2 29. Rb1 Qd3 30. Qb2 Bb5 31. a6 bxa6 32. c6 Kb8 33. d7 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.06.24"]
[Round "13"]
[White "Fus, Jakub"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "1937"]
[BlackElo "1856"]
[PlyCount "59"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 c4 7. Bf4 Bb4 8. Rc1 Nge7 9. Bg2 0-0 10. 0-0 Re8 11. Ne5 f6 12. Nxc6 bxc6 13. e4 Bxc3 14. Rxc3 Ng6 15. Bc1 dxe4 16. Re1 Be6 17. Bxe4 Bd5 18. Rce3 Bxe4 19. Rxe4 Rxe4 20. Rxe4 Ne5 21. Qe2 Nd3 22. Bd2 Rb8 23. b3 f5 24. Re6 cxb3 25. axb3 Kf7 26. Rxc6 Qxd4 27. Qe6+ Kf8 28. Qxf5+ Kg8 29. Bc3 Qd8 30. Qe6+ 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.06.23"]
[Round "12"]
[White "Pietrzak, Wojciech"]
[Black "Borowy, Cezary"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1856"]
[BlackElo "2026"]
[PlyCount "112"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. Bf4 e6 4. e3 c6 5. a3 Nf6 6. h3 Bd6 7. Bxd6 Qxd6 8. Nge2 Nbd7 9. Ng3 Bg6 10. Bd3 c5 11. dxc5 Qxc5 12. Bxg6 hxg6 13. Qd4 Rc8 14. 0-0-0 Qa5 15. Qb4 Qxb4 16. axb4 Rh4 17. Nb5 Ke7 18. Nd4 Kf8 19. f4 Rh8 20. Nf3 Ke7 21. Rd4 Nb6 22. Rhd1 Nc4 23. e4 Ne3 24. R1d2 dxe4 25. Nxe4 Nf5 26. Nd6 Nxd6 27. Rxd6 Nd5 28. R6xd5 exd5 29. Rxd5 Rhd8 30. Re5+ Kf8 31. Ra5 a6 32. Ne5 Rd4 33. b5 Rxf4 34. bxa6 bxa6 35. Rxa6 Rf1+ 36. Kd2 Rf2+ 37. Kd3 Rfxc2 38. b4 R8c3+ 39. Kd4 f6 40. Nxg6+ Kf7 41. Nh8+ Kg8 42. Ng6 Rc4+ 43. Kd3 R2c3+ 44. Kd2 Rg3 45. Ne7+ Kh7 46. b5 Rxg2+ 47. Kd3 Rb4 48. b6 Rg3+ 49. Kc2 Rxh3 50. Nd5 Rb5 51. Nc3 Rb4 52. Nd5 Rg4 53. Nc3 Rg2+ 54. Kb3 Rgg3 55. b7 Rxc3+ 56. Ka2 Rh2+ 0-1

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.06.17"]
[Round "11"]
[White "Moscicka, Pola"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1788"]
[BlackElo "1856"]
[PlyCount "61"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. Ne2 f6 8. exf6 Nxf6 9. 0-0 Nc6 10. Nf3 c4 11. Bc2 Bd7 12. Re1 Qb6 13. Nf4 Nd8 14. Ne5 Nf7 15. Nxd7 Kxd7 16. Rxe6 Bd6 17. Rxf6 gxf6 18. Qg4+ Kd8 19. Nxd5 Qc6 20. Qf5 Be7 21. Bf4 Rc8 22. Nxe7 Kxe7 23. Re1+ Kf8 24. Ba4 Qxa4 25. Qxc8+ Kg7 26. Qg4+ Kf8 27. h3 Qxa2 28. Qf5 Kg7 29. Re6 Rf8 30. Rxf6 Qb1+ 31. Qxb1 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.06.10"]
[Round "10"]
[White "Pietrzak, Wojciech"]
[Black "Kasperkiewicz, Pawel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1856"]
[BlackElo "1923"]
[PlyCount "58"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Nb4 10. Nxb4 Bxb4+ 11. Kf1 0-0 12. h4 f6 13. g4 Ne7 14. a3 Ba5 15. exf6 Rxf6 16. Bg5 Rf8 17. Qd3 Qe8 18. h5 Nc6 19. b4 Bb6 20. b5 Rxf3 21. Bxf3 Nxd4 22. Kg2 Bxb5 23. Qb1 Nxf3 24. Kxf3 Qf7+ 25. Bf4 Bc6 26. Kg3 Bxf2+ 27. Kxf2 Qxf4+ 28. Ke2 Qxg4+ 29. Kd2 Rf8 0-1

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.06.03"]
[Round "9"]
[White "Tychulski, Krzysztof"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1887"]
[BlackElo "1856"]
[PlyCount "99"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 a5 7. Bb5+ Nc6 8. Nc3 Be7 9. Be3 0-0 10. a4 Be6 11. Nd5 Bxd5 12. exd5 Nb4 13. c4 Nh5 14. g3 f5 15. Bf2 e4 16. fxe4 fxe4 17. 0-0 e3 18. Bxe3 Rxf1+ 19. Kxf1 Bg5 20. Bf2 Qf6 21. Kg1 Rf8 22. Qe2 Nd3 23. Bd4 Qg6 24. Qe6+ Qxe6 25. dxe6 Nb4 26. Rf1 Nc6 27. Rxf8+ Kxf8 28. Bxc6 bxc6 29. Nxa5 c5 30. Bc3 Ke7 31. Nb7 Kxe6 32. a5 Kd7 33. a6 Kc6 34. Ba5 Be7 35. Nd8+ Bxd8 36. Bxd8 g6 37. Be7 Ng7 38. a7 Kb7 39. Bxd6 Ne6 40. Bb8 g5 41. Kf2 g4 42. Ke3 h5 43. Ke4 Nd4 44. Kf4 Nf3 45. h4 Nd2 46. Kg5 Nxc4 47. Kxh5 Nxb2 48. Kxg4 Nd3 49. Kf3 Nb4 50. h5 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.05.27"]
[Round "8"]
[White "Pietrzak, Wojciech"]
[Black "Szymczak, Rafal"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1856"]
[BlackElo "2043"]
[PlyCount "95"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Qc7 13. Ne5 Nxe5 14. dxe5 Qxe5 15. Bc3 Qd5 16. Qe3 Bc5 17. Qf4 Qg5 18. Qxg5 hxg5 19. h6 Bxf2 20. hxg7 Rxh1 21. Nxh1 Be3+ 22. Kb1 Ng8 23. Ng3 c5 24. Ne4 Bd4 25. Bxd4 cxd4 26. Rxd4 Rd8 27. Rxd8+ Kxd8 28. Nd6 Ke7 29. Nxb7 f5 30. c4 Kf6 31. Nd8 e5 32. Nc6 e4 33. Nxa7 f4 34. Kc2 Kxg7 35. c5 Kf6 36. c6 g4 37. c7 Ne7 38. Nc6 Nc8 39. Kd2 g3 40. Ke2 Ke6 41. Nd4+ Kd7 42. Nb5 Nb6 43. Nc3 f3+ 44. gxf3 g2 45. Kf2 exf3 46. Nb5 Nc4 47. Nd4 Nxb2 48. Nxf3 1/2-1/2

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.05.13"]
[Round "6"]
[White "Praczukowski, Stanislaw"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2075"]
[BlackElo "1856"]
[PlyCount "71"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. Qg4 Kf8 6. dxc5 Nd7 7. Ngf3 h5 8. Qf4 Nxc5 9. Nb3 Nh6 10. Nxc5 Bxc5 11. Bd3 Nf5 12. Bxf5 exf5 13. Be3 Be7 14. 0-0 Be6 15. Rfd1 Rc8 16. c3 Rc4 17. Rd4 Qb6 18. Rb1 Qa6 19. a3 b6 20. Rbd1 g6 21. Rxc4 Qxc4 22. Qxc4 dxc4 23. h4 Kg7 24. Bg5 f6 25. exf6+ Bxf6 26. Bxf6+ Kxf6 27. Ng5 Rc8 28. Rd6 Re8 29. f4 Re7 30. Kf2 b5 31. g3 Re8 32. Ke3 Re7 33. Kf3 Re8 34. Ke2 Re7 35. Ke3 Rg7 36. Rxe6# 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.05.06"]
[Round "5"]
[White "Pietrzak, Wojciech"]
[Black "Choroszej, Aleksander"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1856"]
[BlackElo "1959"]
[PlyCount "82"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h3 Nd7 6. Nf3 b5 7. a4 b4 8. Nd5 a5 9. Bc4 Bb7 10. Nf4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Nd5 Nf6 14. Bb5+ Kf8 15. Bh6+ Kg8 16. Bc4 Nxd5 17. Bxd5 c6 18. Bb3 Qh4 19. Qf3 d5 20. exd5 cxd5 21. Bxd5 Bxd5 22. Qxd5 Re8 23. Qb5 Qe4+ 24. Kf1 Bxb2 25. Rd1 Bg7 26. Be3 h5 27. Qd3 Qc6 28. Qd7 Qc4+ 29. Kg1 Kh7 30. Kh2 Rd8 31. Qb5 Rxd1 32. Rxd1 Qxc2 33. Rc1 Qa2 34. Qxa5 b3 35. Qd5 Qxa4 36. Qxf7 Rf8 37. Qb7 b2 38. Rc7 Rg8 39. Qxb2 Qa6 40. Bd4 Qd6+ 41. Be5 Qxc7 0-1

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.04.29"]
[Round "4"]
[White "Golecki, Jan"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1834"]
[BlackElo "1856"]
[PlyCount "50"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. e5 Qc7 6. Bd3 Nc6 7. Ne2 Bd7 8. 0-0 c4 9. Bb1 f6 10. Nf4 0-0-0 11. exf6 Nxf6 12. Nf3 Bd6 13. g3 Rde8 14. Re1 Nd8 15. b3 Nf7 16. bxc4 dxc4 17. Be3 g5 18. Ng2 Rhg8 19. a4 Bc6 20. Nd2 Bd5 21. a5 h5 22. Nf1 Qc6 23. Bc2 Bf3 24. d5 Bxd1 25. dxc6 Bxc2 0-1

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.04.22"]
[Round "3"]
[White "Pietrzak, Wojciech"]
[Black "Kokoszczynski, Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1856"]
[BlackElo "1921"]
[PlyCount "119"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Qa4+ Bd7 7. Qb3 Qxb3 8. axb3 e6 9. Na3 cxd4 10. Nb5 Bxb5 11. Bxb5+ Nbd7 12. Nxd4 a6 13. 0-0 Bc5 14. Rd1 Rd8 15. Be2 0-0 16. Bg5 h6 17. Bh4 g5 18. Bg3 Ne4 19. Bf3 Bxd4 20. Bxe4 Nc5 21. Bc2 e5 22. b4 Ne6 23. cxd4 Nxd4 24. Bd3 Rfe8 25. f3 Kg7 26. Bf2 f5 27. Bxd4 Rxd4 28. Bxf5 Rxb4 29. Rd7+ Kf6 30. g4 Rxb2 31. Rd6+ Kg7 32. Rc1 Re7 33. Rc8 e4 34. Bxe4 a5 35. Rg6+ Kf7 36. Rcg8 Rd2 37. R8g7+ Kf8 38. Rxe7 Kxe7 39. Rg7+ Kd6 40. Rxb7 Kc5 41. Rc7+ Kb4 42. Rc2 Rd1+ 43. Kf2 a4 44. Ke2 Rd6 45. Rd2 Ra6 46. Rb2+ Kc3 47. Ra2 Ra5 48. Kd1 Kb3 49. Rd2 a3 50. Bd5+ Kc3 51. Ba2 Re5 52. Re2 Rb5 53. Rc2+ Kd4 54. Kd2 Rb6 55. Rc4+ Ke5 56. Re4+ Kf6 57. Kd3 Rb2 58. Re2 Rb6 59. Kc4 Rb8 60. Bb3 1-0

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.04.15"]
[Round "2"]
[White "Bajkowski, Marcin"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1910"]
[BlackElo "1856"]
[PlyCount "86"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Nc6 9. Qd2 Bd7 10. 0-0-0 Rb8 11. g4 Na5 12. Bb3 b5 13. Nd5 Nxd5 14. exd5 Nc4 15. Qe2 Nxe3 16. Qxe3 a5 17. a3 a4 18. Ba2 b4 19. axb4 Rxb4 20. c3 Qc7 21. Nc6 Bxc6 22. cxb4 Bxd5+ 23. Kb1 Bxa2+ 24. Kxa2 Qc4+ 25. Kb1 Rb8 26. Qa3 Qxb4 27. Qxb4 Rxb4 28. Rd2 a3 29. Rc1 Bxb2 30. Rc8+ Kg7 31. Ka2 Kf6 32. Rc7 Rf4 33. Rd3 e6 34. Rc6 d5 35. Rxd5 Rxf3 36. g5+ Kg7 37. Rd7 e5 38. Rc8 h6 39. h4 hxg5 40. hxg5 Rf5 41. Rcc7 e4 42. Re7 Be5 43. Rc4 Rf2+ 0-1

[Event "Warsaw YMCA Spring-A 167th"]
[Site "Warsaw"]
[Date "2016.04.08"]
[Round "1"]
[White "Pietrzak, Wojciech"]
[Black "Piotrowski, Arkadiusz"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1856"]
[BlackElo "2006"]
[PlyCount "36"]
[EventDate "2016.04.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Nb3 Bd7 9. 0-0 Ne5 10. h3 Qc8 11. f4 Nc4 12. Bc1 0-0 13. e5 Ne8 14. Nd5 Kh8 15. Nxe7 Qc7 16. Nd5 Qc8 17. Ne7 Qc7 18. Nd5 Qc8 1/2-1/2

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.03.23"]
[Round "13"]
[White "Piotrowski, Arkadiusz"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1976"]
[BlackElo "1886"]
[PlyCount "49"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 Nf6 6. e3 Bd7 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 0-0 10. Nd2 Rc8 11. c4 Re8 12. Qe2 dxc4 13. Nxc4 Nd5 14. e4 Ndb4 15. Nxc6 Nxc6 16. Rfd1 e5 17. Bh3 Bxh3 18. Rxd8 Rcxd8 19. Qh5 Be6 20. Nxe5 g6 21. Qh6 Bf8 22. Qe3 Nb4 23. Qc3 f6 24. Nxg6 hxg6 25. Qxf6 1-0

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.03.10"]
[Round "10"]
[White "Pietrzak, Wojciech"]
[Black "Malicka, Maria"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "1886"]
[BlackElo "1774"]
[PlyCount "83"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 d6 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Qh5 g6 10. Qxe5 Nf6 11. Ba3 Rf8 12. 0-0 Ng4 13. Qb5+ c6 14. Qb3 Bxa3 15. Nxa3 Qb6 16. Rad1 Qxb3 17. axb3 b5 18. Be2 Ke7 19. h3 Nf6 20. Bf3 Be6 21. e5 Nd5 22. Nxb5 a6 23. Nd4 Rfc8 24. Nxe6 fxe6 25. c4 Nb4 26. Rd6 Rab8 27. Rfd1 Rd8 28. Bg4 Rxd6 29. Rxd6 Nc2 30. Rxe6+ Kf7 31. Rxc6 Rxb3 32. Rxa6 Rc3 33. Ra7+ Ke8 34. Bd7+ Kd8 35. Bb5 Na3 36. Rd7+ Kc8 37. e6 Nxb5 38. cxb5 Rb3 39. Rxh7 Rxb5 40. Rg7 g5 41. Kh2 Re5 42. e7 1-0

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.03.04"]
[Round "11"]
[White "Barc, Michal"]
[Black "Pietrzak, Wojciech"]
[Result "0-1"]
[ECO "D33"]
[WhiteElo "1770"]
[BlackElo "1886"]
[PlyCount "76"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. Nc3 Bg4 8. Bg5 Bxf3 9. Bxf3 cxd4 10. Bxf6 Qxf6 11. Nxd5 Qe5 12. 0-0 Rd8 13. Qb3 Qb8 14. Rac1 Bd6 15. Rfd1 0-0 16. a3 Kh8 17. Qc2 Rfe8 18. b4 Bf8 19. Nf4 Ne5 20. Bg2 Rd6 21. Qc7 Rd7 22. Qxb8 Rxb8 23. Rc2 b5 24. Nd5 d3 25. exd3 Rbd8 26. f4 Ng4 27. Re1 h5 28. h3 Nh6 29. Be4 g6 30. Nc7 f5 31. Bg2 Rxd3 32. Nxb5 a6 33. Nc7 Rxa3 34. Re6 Rxg3 35. Kh2 h4 36. Nxa6 Bd6 37. Rd2 Nf7 38. Kg1 Bc5+ 0-1

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.03.03"]
[Round "9"]
[White "Pietrzak, Wojciech"]
[Black "Kurowski, Andrzej"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1886"]
[BlackElo "1801"]
[PlyCount "66"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bd3 c5 6. c3 Nc6 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Nc3 0-0 10. 0-0 Nd5 11. Qc2 h6 12. a3 Be7 13. Be3 Bf6 14. Rad1 Bd7 15. Bh7+ Kh8 16. Be4 Rc8 17. Qd2 Nxe3 18. fxe3 Na5 19. Bb1 Nc4 20. Qd3 g6 21. Rf2 Qb6 22. Ne4 Bg7 23. Nc5 Bb5 24. Nh4 e5 25. Qb3 exd4 26. exd4 Bxd4 27. Rxd4 Qxc5 28. Qc3 Ne5 29. Qxc5 Rxc5 30. Rd1 Rfc8 31. h3 Rc1 32. Rfd2 Ba4 33. Rd8+ Kg7 0-1

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.02.25"]
[Round "8"]
[White "Borowy, Cezary"]
[Black "Pietrzak, Wojciech"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1936"]
[BlackElo "1886"]
[PlyCount "67"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 b6 6. Nxe4 Nbd7 7. Qf3 Nxe4 8. Qxe4 Rb8 9. Nf3 Bb7 10. Qg4 Nf6 11. Qh3 Bc5 12. Bb5+ c6 13. Bd3 h5 14. 0-0 Kf8 15. Rae1 Bd6 16. Ne5 c5 17. f4 Qc7 18. Nc4 Re8 19. Be5 Bxe5 20. fxe5 Ng4 21. Nd6 Re7 22. Qg3 c4 23. bxc4 Qc5+ 24. Kh1 Qd4 25. h3 Bc6 26. Bg6 f5 27. exf6 gxf6 28. c3 Qxd2 29. hxg4 h4 30. Qf2 Qxc3 31. Be4 h3 32. Qxf6+ Qxf6 33. Rxf6+ Kg7 34. Rg6+ 1-0

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.02.19"]
[Round "12"]
[White "Pietrzak, Wojciech"]
[Black "Grabowicz, Marcin"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1886"]
[BlackElo "1923"]
[PlyCount "109"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Nxe5 Nf6 5. Bg5 d6 6. Nc4 Be7 7. Nc3 0-0 8. Be2 c6 9. d5 b5 10. Ne3 b4 11. Bxf6 Bxf6 12. Nxe4 Bxb2 13. Rb1 Be5 14. dxc6 Be6 15. Bc4 Bxc4 16. Nxc4 Qc7 17. Qd5+ Kh8 18. Nxe5 dxe5 19. Rxb4 Nxc6 20. Rc4 Rac8 21. Nd6 Qb6 22. Nxc8 Qxf2+ 23. Kd1 Nd4 24. Rxd4 exd4 25. Nd6 h6 26. Re1 Rb8 27. Re8+ Rxe8 28. Nxe8 Qf1+ 29. Kd2 Qf2+ 30. Kd3 Qe3+ 31. Kc4 Qxe8 32. Kxd4 Qa4+ 33. c4 Qxa2 34. c5 Qb2+ 35. Ke3 Qc1+ 36. Ke4 Qe1+ 37. Kf5 Qf2+ 38. Ke6 Qe2+ 39. Kd7 Qb5+ 40. Ke7 Qb4 41. Ke8 Qb5+ 42. Kf7 Qf1+ 43. Ke7 Qf6+ 44. Ke8 Qg6+ 45. Kd8 Qf6+ 46. Kd7 Qh4 47. c6 Qg4+ 48. Qe6 Qd4+ 49. Kc8 Qb6 50. Qe8+ Kh7 51. Qe4+ Kg8 52. c7 Qa6+ 53. Qb7 Qd6 54. Kb8 Qxh2 55. Ka8 1-0

[Event "Warsaw YMCA Winter-B 164th"]
[Site "Warsaw"]
[Date "2016.02.18"]
[Round "7"]
[White "Pietrzak, Wojciech"]
[Black "Szukalski, Antoni"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1886"]
[BlackElo "1816"]
[PlyCount "61"]
[EventDate "2016.01.07"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 cxd4 6. 0-0 Nge7 7. Bf4 Qb6 8. Nbd2 Ng6 9. Bg3 Qxb2 10. Nb3 Qa3 11. h4 Nge7 12. Bf4 Ng6 13. Bg3 Nge7 14. Re1 Bd7 15. Bf4 Nc8 16. Bc1 Qa4 17. Ng5 Be7 18. Qh5 g6 19. Qf3 Nd8 20. h5 Nb6 21. Qh3 Bb5 22. Bxb5+ Qxb5 23. hxg6 fxg6 24. Nxd4 Qb4 25. c3 Qc4 26. Ndxe6 Qc6 27. Nd4 Qc8 28. e6 h6 29. Bf4 Rf8 30. Qxh6 Rxf4 31. Qxg6+ 1-0

