[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.15"]
[Round "7"]
[White "Mazurkiewicz, Wojciech"]
[Black "Przybylski, Jan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1469"]
[BlackElo "1685"]
[PlyCount "110"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Na3 e6 7. Bc4 Qe4+ 8. Be3 cxd4 9. cxd4 Bb4+ 10. Ke2 Nge7 11. Bd3 Qxd3+ 12. Qxd3 Bxd3+ 13. Kxd3 Bxa3 14. bxa3 Rd8 15. Rhd1 0-0 16. Ke2 Rd5 17. Rac1 Rfd8 18. Ne5 Nxe5 19. dxe5 Rxd1 20. Rxd1 Rxd1 21. Kxd1 Nc6 22. f4 Kf8 23. Kc2 Ke7 24. Bc5+ Kd7 25. Kc3 Kc7 26. Kc4 b6 27. Bd6+ Kb7 28. g4 Na5+ 29. Kd4 Kc6 30. f5 Nb7 31. Bf8 g6 32. fxe6 fxe6 33. Kc4 Nd8 34. h4 Nf7 35. Kd4 Kb5 36. g5 Nd8 37. Bd6 Nc6+ 38. Kc3 a5 39. Bc7 Kc5 40. a4 Na7 41. Bd6+ Kd5 42. Bc7 Nc8 43. Kd3 Kc6 44. Bd8 Kd7 45. Bf6 Na7 46. Kc4 Nc6 47. Kb5 Kc7 48. Kc4 Nb4 49. a3 Nd5 50. Kd4 Kc6 51. Ke4 Kc5 52. Kf3 Kc4 53. Kg4 Kb3 54. h5 Kxa3 55. hxg6 hxg6 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.13"]
[Round "5"]
[White "Mazurkiewicz, Wojciech"]
[Black "Michalowski, Patryk"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1469"]
[BlackElo "1726"]
[PlyCount "50"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 b6 7. Bd2 Bb7 8. Nc3 Nxc3 9. Bxc3 d6 10. Bb5+ Nd7 11. 0-0 a6 12. Be2 dxe5 13. Nxe5 Nxe5 14. dxe5 Be7 15. Qa4+ b5 16. Qg4 0-0 17. Rfd1 Qc7 18. Rac1 Rfd8 19. Bd3 Rac8 20. Qf4 Qb6 21. Be4 Rc4 22. Rxd8+ Qxd8 23. Re1 Bxe4 24. Rxe4 Qd3 25. Qe3 Qxe4 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.10"]
[Round "2"]
[White "Mazur, Wojciech"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1750"]
[BlackElo "1469"]
[PlyCount "23"]
[EventDate "2022.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Nc6 6. Ngf3 Qe7 7. e3 Ngxe5 8. Be2 Nxf3+ 9. Bxf3 Nd4 10. 0-0 Nxf3+ 11. Nxf3 d6 12. Qa4+ 1-0

[Event "Polanica Zdroj op-B 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.23"]
[Round "9"]
[White "Mazurkiewicz, Wojciech"]
[Black "Klucznik, Andre"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1486"]
[BlackElo "1707"]
[PlyCount "64"]
[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. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bd3 Bd7 7. 0-0 Qb6 8. Qb3 Ng6 9. Qxb6 axb6 10. Na3 Be7 11. Bd2 cxd4 12. Nb5 0-0 13. cxd4 Nb4 14. Bxb4 Bxb4 15. g3 Ra5 16. Nc7 Rc8 17. Rfc1 Bc6 18. Nb5 Rca8 19. Nc7 R8a7 20. a3 Be7 21. Rc3 b5 22. Rac1 b4 23. axb4 Bxb4 24. Rb3 Be7 25. Bb5 Ra1 26. Rbc3 Rxc1+ 27. Rxc1 Bd8 28. Bxc6 bxc6 29. Ne8 Ra6 30. Nd6 h6 31. b4 Be7 32. b5 cxb5 1/2-1/2

[Event "Polanica Zdroj op-B 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.19"]
[Round "5"]
[White "Mazurkiewicz, Wojciech"]
[Black "Sobotka, Jan"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1486"]
[BlackElo "1636"]
[PlyCount "46"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bd2 Be7 11. 0-0-0 Ngf6 12. Ne4 Qb6 13. Ne5 Nxe5 14. dxe5 Nd5 15. Be3 Qc7 16. f4 0-0 17. Ng5 hxg5 18. hxg5 g6 19. Bb6 Qxb6 20. Qh3 Qe3+ 21. Kb1 Qxh3 22. Rxh3 Nxf4 23. Rh2 Kg7 0-1

[Event "Polanica Zdroj op-B 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.17"]
[Round "3"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wasylkiewicz, Andrzej"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1486"]
[BlackElo "1785"]
[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. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bf5 5. Nc3 Nbd7 6. d3 a6 7. Bb3 Nc5 8. Qf3 Qd7 9. Nge2 0-0-0 10. Ng3 Bg6 11. Qe3 Nxb3 12. axb3 Kb8 13. Ra5 Qd6 14. Qf3 Qe5+ 15. Be3 e6 16. d4 Qd6 17. dxe6 Bxc2 18. 0-0 Bxb3 19. exf7 Qb6 20. Rfa1 Bb4 21. d5 Qd6 22. Bf4 Qd7 23. Rxa6 bxa6 24. Rxa6 Kb7 25. Rc6 Ba5 26. Qd3 Nxd5 27. Qa6+ Kb8 28. Nb5 Qxc6 29. Qxc6 Nxf4 30. Nxc7 Rd1+ 0-1

[Event "Polanica Zdroj op-B 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.15"]
[Round "1"]
[White "Sobolewski, Piotr"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1985"]
[BlackElo "1486"]
[PlyCount "73"]
[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. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 d5 5. Nbd2 Bc5 6. 0-0 0-0 7. c3 Re8 8. b4 Bb6 9. Bb2 Bg4 10. h3 Bh5 11. a3 dxe4 12. dxe4 Bg6 13. Qc2 Qe7 14. Nh4 Rad8 15. Nxg6 hxg6 16. Nc4 Rd7 17. a4 a6 18. Nxb6 cxb6 19. Ba3 Qe6 20. Rad1 Red8 21. Rxd7 Rxd7 22. Bc1 Rc7 23. Qd3 Rd7 24. Qf3 Qb3 25. b5 Na5 26. bxa6 bxa6 27. Bxa6 Qxa4 28. Bd3 Nc4 29. Bg5 Nb2 30. Bb1 Nc4 31. Qe2 b5 32. Bd3 Qb3 33. Rc1 Nb2 34. Bxb5 Rd1+ 35. Rxd1 Nxe4 36. Rd8+ Kh7 37. Qxe4 1-0

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.12.11"]
[Round "13"]
[White "Budny, Piotr"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1381"]
[BlackElo "1550"]
[PlyCount "109"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bg4 5. 0-0 Nbd7 6. Nbd2 e5 7. Qe1 Bd6 8. e4 0-0 9. Nh4 Re8 10. f3 Be6 11. g4 g6 12. h3 Be7 13. Qe2 Nxe4 14. fxe4 Bxh4 15. Nf3 Be7 16. exd5 Bxd5 17. c4 Bxf3 18. Qxf3 f6 19. Kh1 Nc5 20. Bh6 Qxd3 21. Qf2 Qxc4 22. Rac1 Qd4 23. Be3 Nd3 24. Bxd4 Nxf2+ 25. Bxf2 Red8 26. Rfd1 Kf7 27. Bf3 Ke6 28. Rxd8 Rxd8 29. Rd1 Rxd1+ 30. Bxd1 a6 31. Bb3+ Kd7 32. Kg2 f5 33. Kf3 Bg5 34. Be3 e4+ 35. Ke2 Bf6 36. g5 Bxb2 37. Bg8 Ke8 38. Bf4 b5 39. Be3 a5 40. h4 a4 41. Bxh7 Kf7 42. h5 gxh5 43. Bxf5 b4 44. Bxe4 b3 45. axb3 axb3 46. Bxc6 Kg6 47. Be4+ Kg7 48. Bd5 Ba3 49. Bxb3 Be7 50. Bc2 Bd6 51. Kf3 Be5 52. Kg2 h4 53. Kh3 Bg3 54. g6 Be1 55. Bd4+ 1-0

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.11.29"]
[Round "11"]
[White "Szumigaj, Marcin"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1433"]
[BlackElo "1550"]
[PlyCount "59"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 d6 8. Nf4 Nbd7 9. Nc3 Nf6 10. Be2 Bf5 11. 0-0-0 Qd7 12. f3 0-0-0 13. e4 Be6 14. Nfd5 c6 15. Nxf6 gxf6 16. b3 f5 17. Qe3 Kb8 18. c5 Qc7 19. Kb2 fxe4 20. Nxe4 dxc5 21. Qxc5 Rd5 22. Rxd5 Bxd5 23. Rd1 Rg8 24. Bf1 Rd8 25. Qd4 f5 26. Nc5 Nf7 27. Qh4 Qe5+ 28. Qd4 Qxh2 29. Qb4 Qc7 30. Na6+ 1-0

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.11.22"]
[Round "10"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wyczesany, Dariusz"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1550"]
[BlackElo "1511"]
[PlyCount "49"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nd7 5. Be3 a6 6. a4 b6 7. Bc4 e6 8. Qd2 h6 9. 0-0 Bb7 10. d5 e5 11. h3 Ne7 12. Nh2 f5 13. f4 exf4 14. Bd4 Ne5 15. Bxe5 dxe5 16. Rae1 Qd6 17. Qe2 Rf8 18. Nf3 Rf7 19. exf5 Nxf5 20. Nxe5 Ng3 21. Qf2 Bxe5 22. Rxe5+ Qxe5 23. Re1 Qxe1+ 24. Qxe1+ Re7 25. Qf2 1/2-1/2

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.11.13"]
[Round "9"]
[White "Mazurkiewicz, Wojciech"]
[Black "Borowski, Marek"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1550"]
[BlackElo "1509"]
[PlyCount "73"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Qb6 8. 0-0 Nge7 9. Nc3 Na5 10. b3 Rc8 11. Qd2 Nf5 12. Bb2 Bb4 13. Rac1 Nc6 14. a3 Ncxd4 15. Nxd4 Nxd4 16. axb4 Nxb3 17. Qg5 Nxc1 18. Qxg7 Nxe2+ 19. Nxe2 Rf8 20. Ra1 Rc2 21. Bd4 Qxb4 22. h3 Rxe2 23. Rxa7 Rc2 24. Be3 Rc8 25. Bh6 Rb8 26. Ra2 Bb5 27. Rb2 Qe1+ 28. Kh2 Kd7 29. Rxb5 b6 30. Qf6 Kc6 31. Rb3 Rg8 32. Be3 Qf1 33. g3 Qc4 34. Rb1 Qe4 35. Qxf7 Qxb1 36. Qxe6+ Kb7 37. Qd7+ 1/2-1/2

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.30"]
[Round "7"]
[White "Mazurkiewicz, Wojciech"]
[Black "Jaroszuk, Marcin"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1550"]
[BlackElo "1560"]
[PlyCount "36"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bd5 Rf8 7. Nf3 d6 8. c3 Bg4 9. Bxc6 bxc6 10. d4 exd4 11. cxd4 Bb4+ 12. Bd2 Bxd2+ 13. Nbxd2 Qe8 14. 0-0 Qh5 15. e5 Nd5 16. h3 Nf4 17. hxg4 Qxg4 18. Ne1 Ne2+ 0-1

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.24"]
[Round "8"]
[White "Mlynarski, Zbigniew"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1571"]
[BlackElo "1550"]
[PlyCount "78"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. a3 Ngxe5 7. b4 Be7 8. Bb2 Bf6 9. Nxe5 Nxe5 10. Nc3 d6 11. Be2 Be6 12. Qb3 0-0 13. 0-0 c6 14. f4 Ng4 15. f5 Nxe3 16. fxe6 Nxf1 17. exf7+ Rxf7 18. Bxf1 Bd4+ 19. Kh1 Qf6 20. Bd3 Re8 21. h3 Qf2 22. Ne2 Bxb2 23. Qxb2 Rfe7 24. Qd2 Rxe2 25. Bxe2 Rxe2 26. Qg5 Re1+ 27. Rxe1 Qxe1+ 28. Kh2 Qe5+ 29. Qxe5 dxe5 30. Kg3 Kf7 31. Kf3 Kf6 32. Ke4 a6 33. a4 h5 34. a5 g5 35. g4 h4 36. Ke3 Ke7 37. Ke4 Ke6 38. Ke3 Kd6 39. Ke4 Ke6 1/2-1/2

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.24"]
[Round "6"]
[White "Wiktorowski, Janusz"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1426"]
[BlackElo "1550"]
[PlyCount "66"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. 0-0 d5 5. Bb3 Bg4 6. d3 Nc5 7. h3 Bxf3 8. Qxf3 Nxb3 9. axb3 Nc6 10. Nc3 d4 11. Ne4 f6 12. Qf5 Qd7 13. Qh5+ Qf7 14. Qxf7+ Kxf7 15. f4 Bd6 16. Ng5+ Ke7 17. fxe5 Bxe5 18. Nf3 Bg3 19. Bd2 Rad8 20. Nh2 Rhe8 21. Rf3 Bd6 22. Raf1 Kf7 23. Ng4 Kg8 24. R1f2 Re6 25. Rf1 Re2 26. R3f2 Rde8 27. Rxe2 Rxe2 28. Rf2 Rxf2 29. Kxf2 h5 30. Nh2 Bxh2 31. g3 h4 32. gxh4 Bd6 33. h5 Nb4 0-1

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.09"]
[Round "4"]
[White "Kuznik, Kamil"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1497"]
[BlackElo "1550"]
[PlyCount "39"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 Bg4 9. c4 Nf6 10. Be3 0-0 11. Nc3 dxc4 12. Bxc4 Bb4 13. a3 Ba5 14. Be2 Nd5 15. Qc2 Re8 16. Ng5 f5 17. Bxg4 Nxe3 18. Qb3+ Nd5 19. Rxe8+ Qxe8 20. Qxd5+ 1-0

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.03"]
[Round "2"]
[White "Kwiek, Janusz"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1379"]
[BlackElo "1550"]
[PlyCount "101"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. h3 Bh5 6. d4 e6 7. Nbd2 Nbd7 8. c4 Bd6 9. Qb3 Rb8 10. Re1 0-0 11. e4 Nxe4 12. Nxe4 dxe4 13. Rxe4 Bg6 14. Re2 h6 15. Bd2 e5 16. dxe5 Nxe5 17. Nxe5 Bxe5 18. Rxe5 Qxd2 19. Rd1 Qc2 20. Qxc2 Bxc2 21. Rd7 Rfe8 22. Rxe8+ Rxe8 23. Rxb7 Re1+ 24. Kh2 Re2 25. Bxc6 Bd3 26. Bd5 Rxf2+ 27. Kg1 Rf1+ 28. Kg2 a6 29. Rb8+ Kh7 30. Be4+ Bxe4+ 31. Kxf1 Bd3+ 32. Kf2 Bxc4 33. b3 Bd3 34. Ke3 Bf1 35. h4 g5 36. hxg5 hxg5 37. Rb6 Kg7 38. Ke4 f6 39. b4 Kg6 40. a4 Bg2+ 41. Kd4 Bf1 42. b5 axb5 43. Rxb5 f5 44. Rb1 Bg2 45. Ke5 Be4 46. Ra1 Bd3 47. Kd4 Bc2 48. a5 f4 49. a6 f3 50. a7 f2 51. Rf1 1-0

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.10.02"]
[Round "3"]
[White "Mazurkiewicz, Wojciech"]
[Black "Borys, Marek"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1550"]
[BlackElo "1386"]
[PlyCount "178"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 d6 7. Bd3 dxe5 8. dxe5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nc6 11. 0-0 Ndb4 12. Bb5 Qxd2 13. Nbxd2 a6 14. Be2 f6 15. a3 Nd5 16. Rfe1 Bd7 17. Bc4 Nc7 18. Ne4 0-0 19. exf6 gxf6 20. Nc5 Bc8 21. Nxe6 Nxe6 22. Bxe6+ Bxe6 23. Rxe6 Rae8 24. Rae1 Rxe6 25. Rxe6 Rd8 26. g3 Kf7 27. Re4 Rd3 28. Re3 Rd5 29. Kf1 Rb5 30. Re2 Rb3 31. Kg2 a5 32. h4 h5 33. Rc2 Rxf3 34. Rxc6 Rb3 35. Rc5 Kg6 36. Rxa5 Rxb2 37. a4 Ra2 38. Rb5 Rxa4 39. Rxb7 Ra3 40. Rb5 Rc3 41. Rb8 Ra3 42. Rg8+ Kf7 43. Rh8 Kg6 44. Re8 Rb3 45. Re3 Rb2 46. Kf3 Ra2 47. Rd3 Rb2 48. Ke3 Ra2 49. f3 Rg2 50. Kf4 Rh2 51. Rd8 Ra2 52. Re8 Ra4+ 53. Re4 Ra1 54. g4 hxg4 55. fxg4 Rf1+ 56. Kg3 Ra1 57. Rd4 Rb1 58. h5+ Kg5 59. Rd5+ Kh6 60. Rd6 Kg5 61. Rd5+ Kh6 62. Kf4 Rf1+ 63. Ke4 Kg7 64. Rf5 Re1+ 65. Kd5 Rg1 66. Rf4 Ra1 67. Rc4 Ra5+ 68. Rc5 Ra4 69. Rc4 Ra5+ 70. Ke4 Re5+ 71. Kf4 Ra5 72. Re4 Kf7 73. Kg3 Ra3+ 74. Kh4 Ra1 75. Re3 Rh1+ 76. Rh3 Ra1 77. Rf3 Kg7 78. Kg3 Ra4 79. Rb3 Kf7 80. Rc3 Kg7 81. Rc6 Rb4 82. h6+ Kxh6 83. Rxf6+ Kg5 84. Rf5+ Kg6 85. Kh4 Ra4 86. Rb5 Ra6 87. g5 Ra4+ 88. Kg3 Rc4 89. Ra5 Rb4 1/2-1/2

[Event "Warsaw YMCA Autumn-C 222nd"]
[Site "Warsaw"]
[Date "2019.09.25"]
[Round "1"]
[White "Mazurkiewicz, Wojciech"]
[Black "Winogrodzki, Jozef"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1550"]
[BlackElo "1415"]
[PlyCount "77"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 Nbd7 8. Nbd2 Be7 9. h3 Bh5 10. 0-0 0-0 11. Re1 Rac8 12. Qb3 Qxb3 13. axb3 a6 14. g4 Bg6 15. Nh4 Nd5 16. Nxg6 hxg6 17. Bf3 Nxe3 18. fxe3 Rc7 19. Ne4 cxd4 20. exd4 g5 21. Ra5 f6 22. Ng3 Kf7 23. d5 Bc5+ 24. Kg2 e5 25. b4 Bb6 26. d6 Bxa5 27. dxc7 Bxc7 28. Bxb7 a5 29. bxa5 Bxa5 30. b4 Bb6 31. c4 Bd4 32. Nf5 Bc3 33. Rd1 Nb6 34. c5 Nc8 35. Bxc8 Bxb4 36. Rd7+ Kg8 37. Rxg7+ Kh8 38. Rc7 Rd8 39. Nd6 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.06.19"]
[Round "11"]
[White "Sieczkowski, Adam"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1647"]
[BlackElo "1595"]
[PlyCount "120"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nc3 d5 5. Bf4 Nc6 6. e3 Ne4 7. Qc2 Nxc3 8. bxc3 Bd6 9. Bg3 Bxg3 10. hxg3 g6 11. Bd3 b6 12. cxd5 exd5 13. Kd2 Bb7 14. Rh6 Qe7 15. Rah1 0-0-0 16. Rxh7 Rxh7 17. Rxh7 Qf6 18. Qd1 Rh8 19. Qh1 Rxh7 20. Qxh7 Ne7 21. Ke2 Bc6 22. Ne5 Be8 23. Ba6+ Kd8 24. Bd3 Nc6 25. Ng4 Qe6 26. Qh4+ Kc8 27. Ba6+ Kb8 28. Nf6 Bd7 29. Qh8+ Bc8 30. Qxc8+ Qxc8 31. Bxc8 Kxc8 32. Nxd5 Kd7 33. Nb4 Ne7 34. e4 Kd6 35. f4 c5 36. dxc5+ Kxc5 37. Nd3+ Kc4 38. Kd2 f6 39. g4 a5 40. f5 g5 41. e5 Nd5 42. e6 Nxc3 43. e7 Ne4+ 44. Ke2 Nd6 45. Ne5+ Kd5 46. Nd7 Ne8 47. Nxb6+ Kc5 48. Nc8 Kb4 49. Nb6 Kb5 50. Nd5 Kc4 51. Ne3+ Kc3 52. Nd5+ Kb2 53. a4 Kb3 54. Nb6 Kb4 55. Kd3 Kc5 56. Nc4 Kb4 57. Kd4 Kxa4 58. Kd5 Kb4 59. Nxa5 Kxa5 60. Kc6 Kb4 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.06.13"]
[Round "10"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kalejta, Arkadiusz"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "1595"]
[BlackElo "1707"]
[PlyCount "38"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Nc3 Qd8 8. a3 Nf6 9. Bc4 Be7 10. 0-0 0-0 11. d5 exd5 12. Nxd5 Nxd5 13. Qxd5 Qb6 14. b4 Be6 15. Qe4 Bf6 16. Be3 Qc7 17. Bf4 Qb6 18. Be3 Qc7 19. Bf4 Qb6 1/2-1/2

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.06.06"]
[Round "9"]
[White "Okurowski, Michal"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1560"]
[BlackElo "1595"]
[PlyCount "104"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d5 5. exd5 Nxd5 6. Bd2 0-0 7. Nxd5 Bxd2+ 8. Qxd2 Qxd5 9. Be2 Nc6 10. 0-0 f6 11. Qc3 Be6 12. Rfe1 Nd4 13. Nxd4 exd4 14. Qa3 c6 15. Bf3 Qd7 16. Qc5 Rfe8 17. Re4 Rad8 18. Qxa7 f5 19. Re5 Bf7 20. Rae1 Rxe5 21. Rxe5 Re8 22. Rxe8+ Qxe8 23. Kf1 Qd7 24. Qb8+ Be8 25. Qe5 Kf7 26. g4 fxg4 27. Qf4+ Kg8 28. Bxg4 Qd5 29. Qe4 Bf7 30. Qxd5 Bxd5 31. Ke2 Kf7 32. a4 c5 33. Bf3 Ke6 34. Be4 h6 35. b3 b6 36. Bxd5+ Kxd5 37. f4 Ke6 38. Kf3 Kf5 39. Kg3 g6 40. h4 Kf6 41. Kf2 Ke6 42. Ke2 Kf6 43. Kd2 Kf5 44. c4 Kxf4 45. b4 Ke5 46. bxc5 bxc5 47. Ke2 g5 48. hxg5 hxg5 49. Kf3 Kd6 50. Kg4 Kc6 51. Kxg5 Kb6 52. Kf4 Ka5 1/2-1/2

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.05.30"]
[Round "8"]
[White "Mazurkiewicz, Wojciech"]
[Black "Mlynarski, Zbigniew"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1595"]
[BlackElo "1625"]
[PlyCount "100"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 e6 7. Nc3 Bb4 8. Bd3 Nf6 9. 0-0 Qd8 10. Be3 0-0 11. Qe2 Nd5 12. Nxd5 exd5 13. Ng5 h6 14. Qh5 f5 15. Nf3 Qf6 16. Ne5 Nxe5 17. dxe5 Qxe5 18. a3 Bd6 19. Rfe1 Qe8 20. Qh4 Qf7 21. f4 Bd7 22. Rac1 Be7 23. Qf2 b6 24. Bd4 Rac8 25. Ba6 Rxc1 26. Rxc1 Bd6 27. Qf3 Re8 28. Bd3 Rc8 29. Rxc8+ Bxc8 30. b4 Bb7 31. Qe3 g6 32. Bc3 Bf8 33. Qe5 Bg7 34. Qb8+ Kh7 35. Bxg7 Qxg7 36. Qxa7 Qd4+ 37. Kf1 Qxd3+ 38. Kg1 Qe3+ 39. Kf1 Qxf4+ 40. Kg1 Qc7 41. Qa4 d4 42. Qb3 Qc1+ 43. Kf2 Qd2+ 44. Kf1 Qxg2+ 45. Ke1 Qh1+ 46. Kd2 Qxh2+ 47. Kc1 Qf4+ 48. Kb2 Qd2+ 49. Ka1 Qc3+ 50. Qxc3 dxc3 0-1

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.05.23"]
[Round "7"]
[White "Szukalski, Antoni"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "E53"]
[WhiteElo "1722"]
[BlackElo "1595"]
[PlyCount "109"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nc3 d5 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 c5 8. Bd3 dxc4 9. Bxc4 cxd4 10. cxd4 b5 11. Bd3 Bb7 12. 0-0 a6 13. a4 Qb6 14. axb5 axb5 15. Rxa8 Bxa8 16. Qb3 b4 17. Ne5 Bd5 18. Qb2 Nc6 19. Nxc6 Bxc6 20. Bd2 Rb8 21. Rb1 b3 22. f3 Nd7 23. Kf2 Bb5 24. Qc3 Bxd3 25. Qxd3 e5 26. Bc3 Qb5 27. Ke2 f6 28. Kd2 exd4 29. Bxd4 Qb4+ 30. Bc3 Qb5 31. Qxb5 Rxb5 32. Bd4 Nc5 33. Kc3 Ne6 34. Rxb3 Ra5 35. Rb2 Kf7 36. Kd3 h5 37. Bb6 Ra4 38. Ke2 g5 39. h3 g4 40. hxg4 hxg4 41. f4 f5 42. Rd2 Kf6 43. Kf2 Rb4 44. Ba5 Rb3 45. Rc2 Rb5 46. Bc3+ Kg6 47. Bd4 Nxd4 48. exd4 Rb3 49. Rd2 Kf6 50. d5 Ke7 51. d6+ Kd7 52. Rd5 g3+ 53. Ke2 Ke6 54. d7 Rb2+ 55. Kd1 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.05.09"]
[Round "5"]
[White "Kasperski, Marcin"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1635"]
[BlackElo "1595"]
[PlyCount "87"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Bg5 h6 5. Bh4 Be7 6. Nc3 d6 7. h3 Be6 8. Qd2 Nxe4 9. dxe4 Bxh4 10. Nxh4 Qxh4 11. Bb5 Bd7 12. 0-0-0 Qg5 13. Qxg5 hxg5 14. Nd5 0-0-0 15. Bxc6 Bxc6 16. Ne7+ Kd7 17. Nxc6 Kxc6 18. Rd3 b6 19. Rhd1 g6 20. Rg3 f6 21. a4 Rh4 22. Rc3+ Kb7 23. f3 f5 24. Re1 Rhh8 25. Ra3 a5 26. Rd3 Kc6 27. b3 Kd7 28. exf5 Ke7 29. fxg6 Kf6 30. g7 Kxg7 31. Re4 Rh4 32. Rxe5 Kf6 33. Re2 Rh7 34. Rde3 Rdd7 35. Re6+ Kf5 36. Re8 Kf4 37. R2e4+ Kf5 38. Kd2 d5 39. Rf8+ Kg6 40. Re6+ Kh5 41. Ke2 Rde7 42. Rff6 Rxe6+ 43. Rxe6 Rh6 44. g4+ 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.05.07"]
[Round "4"]
[White "Mazurkiewicz, Wojciech"]
[Black "Polgrabia, Miroslaw"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1595"]
[BlackElo "1659"]
[PlyCount "76"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. Be3 Nf6 7. dxc5 Qxd1+ 8. Kxd1 Nd5 9. b4 a5 10. b5 Nxe3+ 11. fxe3 Nb8 12. Bd3 Bxc5 13. Ke2 Nd7 14. Nbd2 f6 15. a4 e5 16. Nb3 Be7 17. Be4 g6 18. c4 f5 19. Bd5 e4 20. Nfd4 Nb6 21. Rhd1 Nxd5 22. cxd5 Bd6 23. g3 f4 24. exf4 Bg4+ 25. Ke3 Bxd1 26. Rxd1 Kd7 27. Kxe4 Rhe8+ 28. Ne6 Bb4 29. Kd4 b6 30. Nc1 Rac8 31. Nd3 Bc3+ 32. Ke3 Bf6 33. Ne5+ Bxe5 34. fxe5 Rc4 35. Rd4 Rc3+ 36. Rd3 Rc4 37. Rd4 Rc3+ 38. Rd3 Rc4 1/2-1/2

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.05.07"]
[Round "6"]
[White "Mazurkiewicz, Wojciech"]
[Black "Sypula, Krzysztof"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1595"]
[BlackElo "1632"]
[PlyCount "150"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nf3 c6 5. a4 Bg4 6. Be3 Nf6 7. h3 Bxf3 8. Qxf3 0-0 9. Bc4 Nbd7 10. 0-0 Qa5 11. Bb3 e5 12. d5 Nc5 13. Bxc5 Qxc5 14. Rfe1 a5 15. Rad1 Rad8 16. Qe3 Nd7 17. Qd3 Qb6 18. dxc6 Nc5 19. Qb5 Qxc6 20. Bd5 Qxb5 21. axb5 Rd7 22. b3 Rc8 23. Bc4 b6 24. Nd5 Rb8 25. b4 axb4 26. Nxb4 Bf8 27. Nc6 Rbb7 28. Ra1 Kg7 29. Bd5 Rbc7 30. Ra3 f5 31. exf5 gxf5 32. Rg3+ Kf6 33. Ra1 Bh6 34. Rga3 e4 35. Ra7 f4 36. Kf1 e3 37. fxe3 fxe3 38. Rxc7 Rxc7 39. g4 Bf4 40. Ke2 Rg7 41. Kf3 Bg5 42. Ke2 Rc7 43. Rf1+ Kg6 44. Ra1 h5 45. Ra7 Rxa7 46. Nxa7 hxg4 47. hxg4 Na4 48. Kd3 Kf6 49. Nc6 e2 50. Kxe2 Nc3+ 51. Kd3 Nxd5 52. c4 Ne7 53. Kd4 Bh4 54. Nb8 Bf2+ 55. Ke4 Ke6 56. Nc6 Ng6 57. Nd8+ Kd7 58. Nf7 Ke7 59. Ng5 Ne5 60. Kd5 Nxg4 61. Ne4 Ne3+ 62. Kd4 Nf5+ 63. Kd5 Bc5 64. Nxc5 bxc5 65. b6 Kd7 66. b7 Kc7 67. b8Q+ Kxb8 68. Ke6 Nd4+ 69. Kxd6 Nb3 70. Kc6 Kc8 71. Kd6 Kb7 72. Kd7 Kb6 73. Kd6 Ka5 74. Kc6 Kb4 75. Kd5 Nd2 0-1

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.04.25"]
[Round "3"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kurdzialek, Stanislaw"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1595"]
[BlackElo "1675"]
[PlyCount "91"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 Qc7 12. 0-0-0 e6 13. Qe2 0-0-0 14. Ne5 Nxe5 15. dxe5 Nd7 16. f4 Bc5 17. Ne4 Qb6 18. Nxc5 Qxc5 19. Qe3 Qxe3 20. Bxe3 c5 21. Rd6 b6 22. c4 Nb8 23. Rhd1 Rxd6 24. Rxd6 Rd8 25. Rxd8+ Kxd8 26. Kc2 Nd7 27. Kd3 f6 28. Ke4 Kc7 29. g4 fxe5 30. fxe5 b5 31. cxb5 Kb6 32. g5 hxg5 33. Bxg5 Kxb5 34. Be7 Kc4 35. Bd8 Nb8 36. Be7 a5 37. Bf8 Nc6 38. Bxg7 Ne7 39. Bf8 Nf5 40. h6 Nxh6 41. Bxh6 a4 42. Bf8 Kb5 43. b3 c4 44. bxa4+ Kxa4 45. Kd4 Kb5 46. Bd6 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.04.18"]
[Round "2"]
[White "Mazurek, Jerzy"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1673"]
[BlackElo "1595"]
[PlyCount "99"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Nc6 6. Nc3 Nxc3 7. dxc3 Bg4 8. Be2 Be7 9. h3 Bh5 10. 0-0 0-0 11. Qd5 Bg6 12. Nh2 Kh8 13. f4 f5 14. b4 Bf6 15. Bd2 Bf7 16. Qd3 Ne7 17. Be3 d5 18. c5 Qd7 19. a4 Rad8 20. Bd4 Ng8 21. Nf3 Bxd4+ 22. Qxd4 Bh5 23. Ne5 Qe8 24. Bxh5 Qxh5 25. c6 b6 26. Nd7 Rfe8 27. Qxd5 Nf6 28. Nxf6 gxf6 29. Qf3 Qf7 30. a5 Qc4 31. axb6 axb6 32. Rad1 Qe4 33. Rd7 Rxd7 34. cxd7 Rd8 35. Qxe4 fxe4 36. Rd1 Kg7 37. f5 Kh6 38. Kf2 Kg5 39. g4 Kh4 40. Ke3 Kxh3 41. Kxe4 Kxg4 42. Rg1+ Kh5 43. Rh1+ Kg5 44. Rxh7 b5 45. Rg7+ Kh6 46. Rf7 Kg5 47. Rg7+ Kh6 48. Re7 c6 49. Kf4 Re8 50. dxe8Q 1-0

[Event "Warsaw YMCA Spring-B 214th"]
[Site "Warsaw"]
[Date "2019.04.11"]
[Round "1"]
[White "Mazurkiewicz, Wojciech"]
[Black "Jarmolowski, Tadeusz"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1595"]
[BlackElo "1593"]
[PlyCount "70"]
[EventDate "2019.04.11"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be3 Bg4 7. h3 Bh5 8. Bd3 Nc6 9. g4 Bg6 10. Bxg6 hxg6 11. Ne5 Nxe5 12. dxe5 Qxd1+ 13. Rxd1 Nxg4 14. Nd5 Rc8 15. Ke2 Nxe3 16. Nxe3 e6 17. a3 Be7 18. b4 c5 19. c3 cxb4 20. cxb4 Rc3 21. Rd3 Rxd3 22. Kxd3 Kd7 23. f4 f5 24. Ng2 g5 25. Ke2 g4 26. Rd1+ Kc6 27. hxg4 Rh2 28. Kf3 Rh3+ 29. Ke2 Rxa3 30. gxf5 exf5 31. Ne3 g6 32. Rc1+ Kd7 33. Nd5 Bd8 34. Rg1 Ke6 35. Ne3 Rxe3+ 0-1

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.12.11"]
[Round "13"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wojnowski, Jan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1476"]
[BlackElo "1559"]
[PlyCount "59"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Be7 6. Bd3 Qb6 7. 0-0 Bd7 8. Bc2 f6 9. Re1 h6 10. Bg6+ Kd8 11. exf6 Bxf6 12. Ne5 Nxe5 13. dxe5 Be7 14. Nd2 Bg5 15. Nf3 Bxc1 16. Qxc1 Ne7 17. Qc2 Bc6 18. Rad1 Rf8 19. b3 Kc7 20. c4 d4 21. Be4 Bxe4 22. Qxe4 Qc6 23. Qg4 Rf7 24. b4 b6 25. b5 Qd7 26. Qe4 Raf8 27. Re2 Kb8 28. a4 Qb7 29. Qg4 Qd7 30. Qe4 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.12.05"]
[Round "12"]
[White "Dabrowska, Aleksandra"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1400"]
[BlackElo "1476"]
[PlyCount "77"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 0-0 6. e3 d5 7. cxd5 exd5 8. Ne2 c6 9. 0-0 Nbd7 10. h3 Ne5 11. d4 Nc4 12. Qc2 Re8 13. Kh2 Bd7 14. Re1 Qc8 15. Ng1 Bf5 16. Qe2 Qd7 17. f3 b5 18. Qf2 Re6 19. g4 Bg6 20. h4 h6 21. Kh1 Qe7 22. Nh3 Qd6 23. Nf4 Re7 24. g5 Nh5 25. Nxh5 Bxh5 26. e4 hxg5 27. hxg5 f6 28. Qh4 Bg6 29. Bf4 Qa3 30. gxf6 Ree8 31. fxg7 Kxg7 32. Bh6+ Kg8 33. Qf6 Qe7 34. Qxg6+ Kh8 35. Bh3 Rg8 36. Qh5 Qe8 37. Qh4 Qf7 38. Bf5 Nd6 39. Bf8+ 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.27"]
[Round "11"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kuznik, Kamil"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1476"]
[BlackElo "1553"]
[PlyCount "25"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 e4 9. Nxe4 cxb5 10. Nxf6+ Qxf6 11. Qxa8 Qe5+ 12. Kd1 Be7 13. Qxc8+ 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.23"]
[Round "10"]
[White "Budrewicz, Henryk"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1465"]
[BlackElo "1476"]
[PlyCount "144"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 Nc6 5. f4 d5 6. Nd2 Bd7 7. Ngf3 Ng4 8. Qe2 f6 9. h3 Nh6 10. Nh4 f5 11. Nhf3 c4 12. Bc2 Be7 13. 0-0 0-0 14. Ne5 Nf7 15. Ndf3 Nd6 16. Bd2 Be8 17. g4 Ne4 18. Be1 Nxe5 19. dxe5 Bg6 20. Bxe4 fxe4 21. Nd4 Qd7 22. g5 Bc5 23. h4 Bxd4 24. cxd4 Qf7 25. Qg4 Bh5 26. Qh3 Qf5 27. Qg3 a5 28. b4 axb4 29. Bxb4 Rfc8 30. a4 Be2 31. Rfc1 g6 32. a5 Bd3 33. Ra3 Qf7 34. Rca1 Qd7 35. Qg4 Ra6 36. h5 Qf7 37. hxg6 Qxg6 38. Qh3 Rc7 39. Kf2 Rf7 40. Bc5 Rc7 41. Rc1 Ra8 42. Rca1 Ra6 43. Ke1 Rf7 44. Kd2 Qf5 45. Qxf5 Rxf5 46. Be7 Rf7 47. Bc5 Kg7 48. Bb6 Ra8 49. Rh1 Rd7 50. Kc3 Rf7 51. Rh4 Kg6 52. Ra1 Rh8 53. a6 bxa6 54. Rxa6 Rb7 55. Rh6+ Kf7 56. Rf6+ Ke7 57. Bc5+ Kd7 58. Rf7+ Kc8 59. Rxb7 Kxb7 60. Rxe6 Rb8 61. Rb6+ Kc7 62. Rxb8 Kxb8 63. f5 Be2 64. g6 hxg6 65. fxg6 Bh5 66. g7 Bf7 67. Kb4 Kc7 68. Kb5 Kd7 69. Kb4 Ke6 70. Kc3 Kf5 71. Kd2 Kg6 72. Bf8 Kf5 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.15"]
[Round "9"]
[White "Szumigaj, Marcin"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1427"]
[BlackElo "1476"]
[PlyCount "71"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 d6 8. Nf4 Nbd7 9. Nc3 Nf6 10. Bd3 Bg4 11. b3 Qd7 12. 0-0 Nf3+ 13. gxf3 Bxf3 14. h3 g5 15. Kh2 gxf4 16. exf4 0-0-0 17. Qe3 Ng4+ 18. hxg4 Qxg4 19. Bf5+ Qxf5 20. Qxf3 Qf6 21. Nd5 Qb2 22. Rae1 c6 23. Ne7+ Kc7 24. Re2 Qf6 25. f5 Rde8 26. Rfe1 Kd7 27. Qg3 h5 28. f4 Qd4 29. Qg5 Rh7 30. f6 Qd3 31. Qf5+ Qxf5 32. Nxf5 Rxe2+ 33. Rxe2 Rh8 34. Re7+ Kd8 35. Nxd6 Rh6 36. Nxf7+ 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.11.07"]
[Round "8"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wiktorowski, Janusz"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1476"]
[BlackElo "1447"]
[PlyCount "91"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 0-0 10. Bxb4 Nxb4 11. 0-0 Bg4 12. Nbd2 Nxd2 13. Qxd2 Bxf3 14. Qxb4 Qg5 15. g3 h5 16. Qc3 Bg4 17. Qe3 Qf5 18. Bd3 Qe6 19. Rac1 c6 20. Rfe1 g6 21. h4 Bf5 22. Bxf5 Qxf5 23. Qg5 Kg7 24. Rc3 Rae8 25. Rce3 Re6 26. Kg2 f6 27. Qxf5 gxf5 28. exf6+ Rexf6 29. Re7+ R6f7 30. Kf3 Rxe7 31. Rxe7+ Rf7 32. Rxf7+ Kxf7 33. Kf4 Kf6 34. b4 b6 35. f3 Ke6 36. g4 fxg4 37. fxg4 hxg4 38. Kxg4 a5 39. a3 axb4 40. axb4 c5 41. bxc5 bxc5 42. dxc5 d4 43. h5 Kd5 44. h6 d3 45. Kf3 Kxc5 46. h7 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.24"]
[Round "6"]
[White "Mazurkiewicz, Wojciech"]
[Black "Derylo, Maksymilian"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1476"]
[BlackElo "1401"]
[PlyCount "39"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be3 b6 7. Bb5+ Nc6 8. Na3 Bb7 9. Bc4 Qd7 10. Nc2 Nd5 11. 0-0 Nxe3 12. fxe3 cxd4 13. exd4 Bd6 14. Ng5 Rf8 15. Rxf7 Qd8 16. Rxf8+ Bxf8 17. Nxe6 Qd6 18. Qh5+ Kd7 19. Rf1 Be7 20. Ne3 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.17"]
[Round "5"]
[White "Janeczko, Jakub"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1532"]
[BlackElo "1476"]
[PlyCount "50"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. 0-0 0-0 6. h3 h6 7. Re1 Nc6 8. a3 a6 9. Nbd2 Re8 10. Nf1 Ne7 11. Ng3 Ng6 12. Qe2 Nf4 13. Qf1 N6h5 14. Nxh5 Nxh5 15. Be3 Qf6 16. c3 Bxh3 17. Nxe5 dxe5 18. Bxc5 Qg6 19. Kh2 Be6 20. Bxe6 Rxe6 21. g3 Nf6 22. Qe2 b6 23. Be3 Ng4+ 24. Kg2 Nxe3+ 25. Qxe3 c5 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.10"]
[Round "4"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kwiek, Janusz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1476"]
[BlackElo "1590"]
[PlyCount "60"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 d6 7. Nc3 Nxc3 8. bxc3 dxe5 9. Nxe5 Be7 10. Bd3 0-0 11. Qh5 f5 12. 0-0 Qe8 13. Qf3 Nd7 14. Nxd7 Qxd7 15. Re1 Bd6 16. Bc4 Qc7 17. Bxe6+ Bxe6 18. Rxe6 Bxh2+ 19. Kh1 Bd6 20. Qd5 Rf7 21. Rxd6 Qxc3 22. Rd7 Raf8 23. Rb1 Qe1+ 24. Kh2 Qxf2 25. Ba3 Qf4+ 26. Kh1 Qh6+ 27. Kg1 Qe3+ 28. Kh2 Qh6+ 29. Kg1 Qe3+ 30. Kh2 Qh6+ 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.10.03"]
[Round "3"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1502"]
[BlackElo "1476"]
[PlyCount "101"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Re1 Bg4 9. c4 Nf6 10. cxd5 Nxd4 11. Qa4+ c6 12. Nxd4 Qxd5 13. Nc3 Qd7 14. Be3 0-0 15. Be2 Rfe8 16. Bxg4 Nxg4 17. Nf3 Nxe3 18. Rxe3 Bc5 19. Rxe8+ Rxe8 20. Qc2 h6 21. h3 Bb6 22. Rd1 Qe6 23. Re1 Qd7 24. Rxe8+ Qxe8 25. Qf5 f6 26. Qg4 Qe7 27. Ne4 Qf7 28. Ng3 Bc7 29. Nf5 h5 30. Qe4 Qxa2 31. Qe8+ Kh7 32. Qxh5+ Kg8 33. Qe8+ Kh7 34. g3 Qb1+ 35. Kg2 Qxf5 36. Qe7 Bb6 37. Qe2 Qb5 38. Qe4+ f5 39. Qe6 Qd5 40. Qe7 c5 41. Qg5 Qe4 42. Qh5+ Kg8 43. Kh2 Qe2 44. Qxf5 Qxf2+ 45. Kh1 Qxg3 46. Qc8+ Kh7 47. Qf5+ Qg6 48. Ng5+ Kh6 49. Nf7+ Kh7 50. Ng5+ Kh6 51. Nf7+ 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.26"]
[Round "2"]
[White "Mazurkiewicz, Wojciech"]
[Black "Bartczak, Hanna"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1476"]
[BlackElo "1453"]
[PlyCount "55"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 g6 5. Nf3 Bg7 6. Nc3 Nf6 7. Bc4 0-0 8. 0-0 Nc6 9. d5 Na5 10. Bd3 b6 11. Bd2 Nb7 12. b4 a5 13. a3 Bd7 14. Qe2 Ng4 15. h3 Ne5 16. Nxe5 dxe5 17. Rfc1 e6 18. Nb5 exd5 19. Nc7 dxe4 20. Bxe4 Ra7 21. Be3 Nc5 22. bxc5 Rxc7 23. cxb6 Rxc1+ 24. Rxc1 Qb8 25. Qa6 a4 26. b7 Re8 27. Ba7 Re6 28. Qxe6 1-0

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.21"]
[Round "7"]
[White "Rak, Jacek"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1428"]
[BlackElo "1476"]
[PlyCount "71"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Bb5 a6 9. Ba4 0-0 10. Qd2 Re8 11. 0-0-0 Bd7 12. Kb1 Bf6 13. Bb3 Be6 14. Nd4 Bxb3 15. axb3 Qd7 16. Nxc6 Qxc6 17. f3 Re6 18. Rhe1 Rae8 19. Bg3 h6 20. h4 R8e7 21. Bf2 Qe8 22. Rxe6 Rxe6 23. Re1 d5 24. Kc1 Rxe1+ 25. Qxe1 Qxe1+ 26. Bxe1 Be5 27. c4 c6 28. c3 f5 29. cxd5 cxd5 30. g4 Kf7 31. Kd2 f4 32. Bf2 g5 33. hxg5 hxg5 34. Kd3 Ke6 35. Bb6 Bf6 36. b4 1/2-1/2

[Event "Warsaw YMCA Autumn-C 207th"]
[Site "Warsaw"]
[Date "2018.09.19"]
[Round "1"]
[White "Kwiecinski, Rafal"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1527"]
[BlackElo "1476"]
[PlyCount "47"]
[EventDate "2018.09.18"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Qe2 d5 5. exd5 cxd5 6. Qxe5+ Be7 7. Bb5+ Nc6 8. Nf3 0-0 9. Bxc6 bxc6 10. 0-0 Bd6 11. Qc3 Qb6 12. a3 Re8 13. Bg5 Ng4 14. h3 f6 15. hxg4 fxg5 16. Nbd2 Bxg4 17. Nxg5 Be5 18. d4 Bxd4 19. Qd3 g6 20. Qg3 Bf5 21. Qh4 Qc7 22. Qxd4 Bxc2 23. Rac1 Ba4 24. Qxa4 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.22"]
[Round "13"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1444"]
[BlackElo "1494"]
[PlyCount "92"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d5 5. exd5 Nxd5 6. Bd2 Nxc3 7. Bxc3 Bxc3+ 8. bxc3 Nc6 9. Be2 0-0 10. 0-0 b6 11. Nd2 Bb7 12. Bf3 Na5 13. Bxb7 Nxb7 14. Re1 Re8 15. Qf3 Nd6 16. c4 c5 17. a4 g6 18. Qd5 Qf6 19. Ne4 Nxe4 20. Qxe4 Rad8 21. f3 Qd6 22. Qe3 Qd4 23. Qxd4 exd4 24. Kf2 f5 25. Rxe8+ Rxe8 26. a5 Kf7 27. axb6 axb6 28. Ra7+ Re7 29. Ra8 Re8 30. Rxe8 Kxe8 31. h4 Kf7 32. Kg3 Kf6 33. Kf4 h6 34. g4 g5+ 35. hxg5+ hxg5+ 36. Kg3 f4+ 37. Kf2 Ke6 38. Ke2 Kd6 39. Kd2 Kc6 40. c3 b5 41. cxb5+ Kxb5 42. Kc2 Kc6 43. cxd4 cxd4 44. Kb3 Kb5 45. Ka3 Ka5 46. Kb3 Kb5 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.20"]
[Round "12"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wiktorowski, Janusz"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1494"]
[BlackElo "1430"]
[PlyCount "55"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 h6 7. Be3 Bd4 8. Bxd4 Nxd4 9. Nxe5 d6 10. Nxf7 Rxf7 11. Bxf7+ Kxf7 12. h3 Kg8 13. f4 Qe7 14. Nd5 Nxd5 15. exd5 Qe3+ 16. Kh2 Bf5 17. c3 Bxd3 18. cxd4 Bxf1 19. Qxf1 Qxd4 20. Rc1 Rc8 21. Qf3 Qxb2 22. Qg4 Qxc1 23. Qxc8+ Kh7 24. Qf5+ Kh8 25. Qf8+ Kh7 26. Qf5+ Kg8 27. Qc8+ Kh7 28. Qf5+ 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.06.13"]
[Round "11"]
[White "Bartczak, Hanna"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "1401"]
[BlackElo "1494"]
[PlyCount "101"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nc3 d5 5. e3 c5 6. Bd2 Nc6 7. dxc5 Bxc5 8. cxd5 exd5 9. Bb5 0-0 10. 0-0 Bg4 11. Be2 d4 12. Nxd4 Nxd4 13. Bxg4 Nxg4 14. Qxg4 f5 15. Qd1 Ne6 16. Qb3 Qe7 17. Ne2 Kh8 18. Bc3 Ng5 19. Nf4 Ne4 20. Nd5 Qf7 21. Rad1 Rad8 22. Nf4 Qxb3 23. axb3 Kg8 24. Ne6 Rxd1 25. Rxd1 Re8 26. Nxc5 Nxc5 27. b4 Ne4 28. Rd7 Nxc3 29. bxc3 Rc8 30. Rd3 Rc7 31. Kf1 Kf7 32. Ke2 Re7 33. Kd2 Ke6 34. Rd4 b5 35. Kd3 a6 36. e4 g6 37. f4 Kf7 38. e5 h6 39. Rd6 Re6 40. Rxe6 Kxe6 41. Kd4 Kd7 42. Kc5 Kc7 43. h4 Kd7 44. Kb6 Ke6 45. Kxa6 g5 46. hxg5 hxg5 47. fxg5 Kxe5 48. Kxb5 f4 49. g6 Kf6 50. g7 Kxg7 51. c4 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.30"]
[Round "9"]
[White "Bialczynski, Michal"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1370"]
[BlackElo "1494"]
[PlyCount "33"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. g3 d5 6. cxd5 exd5 7. Bg2 c6 8. 0-0 Bg4 9. a3 Bd6 10. b4 a6 11. Bb2 Nbd7 12. d3 Ne5 13. Nxe5 Bxe5 14. Na4 Re8 15. Rfe1 Bxb2 16. Qxb2 b6 17. Rac1 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.23"]
[Round "8"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wasylewski, Marcin"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1494"]
[BlackElo "1422"]
[PlyCount "92"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Nc3 dxe5 8. dxe5 Nxc3 9. Qxd8+ Nxd8 10. bxc3 Bd7 11. Nd4 Rc8 12. Be3 e6 13. Be2 Be7 14. 0-0 0-0 15. c4 a6 16. Rab1 Rb8 17. Bf3 Bc5 18. Rfd1 Ba4 19. Rd2 Bxd4 20. Bxd4 Bc6 21. Bc5 Re8 22. Bd6 Rc8 23. Bxc6 Rxc6 24. c5 f6 25. f4 f5 26. Rd3 Kf7 27. Kf2 g6 28. h3 Rg8 29. Bb8 Rxc5 30. Rd7+ Ke8 31. Rxh7 Rc2+ 32. Kf3 b5 33. Rd1 Nf7 34. Rxf7 Kxf7 35. Rd7+ Ke8 36. Ra7 Rc3+ 37. Ke2 g5 38. Bd6 gxf4 39. Re7+ Kd8 40. Ra7 Rxg2+ 41. Kd1 Rxh3 42. Ra8+ Kd7 43. Ra7+ Kc6 44. Rc7+ Kd5 45. Bb4 Rh1+ 46. Be1 Rgg1 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "7"]
[White "Mazurkiewicz, Wojciech"]
[Black "Szymanski, Pawel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1494"]
[BlackElo "1506"]
[PlyCount "60"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 0-0 10. Qb3 Na5 11. Bxf7+ Rxf7 12. Qd5 Nxc3 13. Qxa5 Ne2+ 14. Kh1 Nxc1 15. Raxc1 d6 16. Qb5 c6 17. Qb3 Bg4 18. Ng1 Qd7 19. Rfe1 Kf8 20. f3 Bf5 21. Ne2 Be6 22. Qc2 Kg8 23. Ng3 Re8 24. Ne4 Rfe7 25. Ng5 Bf5 26. Rxe7 Qxe7 27. Qb3+ d5 28. h4 h6 29. g4 Bxg4 30. fxg4 hxg5 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.10"]
[Round "6"]
[White "Wasilewski, Orhan"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1401"]
[BlackElo "1494"]
[PlyCount "76"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nc6 6. Nf3 Bb4+ 7. Nbd2 d6 8. 0-0 Nf6 9. Qb3 0-0 10. Rad1 Bxd2 11. Rxd2 Na5 12. Qc2 Nxc4 13. Qxc4 Be6 14. Qc2 Qe7 15. Qc3 Bg4 16. Nh4 Ne8 17. Qg3 Qxe4 18. f3 Qe3+ 19. Rdf2 Bd7 20. Kh1 f6 21. Rc2 d5 22. Rc3 Qd2 23. Rb3 b6 24. f4 Nd6 25. Bc1 Qc2 26. Rc3 Qxa2 27. Rxc7 Ne4 28. Qf3 Bb5 29. Re1 Rf7 30. Rxf7 Kxf7 31. Nf5 Qf2 32. Qh5+ Kf8 33. Ba3+ Nc5 34. Rc1 Re8 35. Qxe8+ Kxe8 36. Nd6+ Kd7 37. Nxb5 Qe3 38. Bb4 Qxc1+ 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.05.01"]
[Round "5"]
[White "Mazurkiewicz, Wojciech"]
[Black "Budrewicz, Henryk"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1494"]
[BlackElo "1445"]
[PlyCount "51"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nf3 Bb7 4. Bd3 Nf6 5. e5 Nd5 6. 0-0 c5 7. Be4 cxd4 8. Nxd4 a6 9. c4 Qh4 10. Bf3 Bc5 11. cxd5 Qxd4 12. dxe6 Qxd1 13. exf7+ Kxf7 14. Rxd1 Bxf3 15. gxf3 Ke6 16. Nc3 Kxe5 17. Rd5+ Ke6 18. Bf4 d6 19. Re1+ Kd7 20. Bxd6 Bxd6 21. Ne4 Kc7 22. Rxd6 Re8 23. Rc1+ Kb7 24. Rg6 hxg6 25. Nd6+ Ka7 26. Rc7# 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.27"]
[Round "10"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wyczesany, Dariusz"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1494"]
[BlackElo "1388"]
[PlyCount "82"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 g6 4. Nf3 Bg7 5. e5 Nh6 6. Bd3 0-0 7. 0-0 Qb6 8. b3 Bg4 9. Be2 Na6 10. h3 Bxf3 11. Bxf3 Nf5 12. Be3 e6 13. Ne2 Nc7 14. Ng3 a5 15. Nxf5 exf5 16. a4 Ne6 17. Qd2 f4 18. Bxf4 Qxd4 19. Qxd4 Nxd4 20. Bd1 Rfe8 21. c3 Nf5 22. g4 Ne7 23. Bc2 c5 24. Rad1 Ra6 25. Bg3 Rd8 26. f4 Rb6 27. f5 gxf5 28. gxf5 Nc6 29. e6 Re8 30. f6 Bh6 31. e7 Be3+ 32. Kh1 d4 33. Bc7 Ra6 34. Rg1+ Bxg1 35. Rxg1+ Kh8 36. Rg7 Nxe7 37. Rxh7+ Kg8 38. Rg7+ Kf8 39. Be5 Ng8 40. Bg6 Nh6 41. Bf4 Re1+ 1/2-1/2

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.25"]
[Round "4"]
[White "Kwiecinski, Rafal"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1476"]
[BlackElo "1494"]
[PlyCount "79"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Qe2 Bc5 5. h3 0-0 6. Nf3 d5 7. Bb3 Bd6 8. Bg5 Be6 9. Nbd2 a5 10. a4 h6 11. Bh4 Nbd7 12. Nh2 Qc7 13. Ng4 Nh7 14. f3 f5 15. Ne3 Nc5 16. exf5 Bxf5 17. 0-0 Be6 18. Rac1 Qf7 19. Ng4 Qg6 20. Kh1 Rf5 21. Bf2 Re8 22. Rce1 Nd7 23. Bg1 h5 24. Nh2 Ng5 25. Be3 Qf6 26. c3 d4 27. Bxg5 Rxg5 28. Ne4 Qf4 29. Bxe6+ Rxe6 30. Nxg5 e4 31. g4 Qxg5 32. fxe4 Nf6 33. cxd4 Bg3 34. Rc1 Rd6 35. Rc5 Qg6 36. gxh5 Qh6 37. Ng4 Nxg4 38. hxg4 b6 39. Rcf5 Rf6 40. g5 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.17"]
[Round "3"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kuznik, Kamil"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1494"]
[BlackElo "1505"]
[PlyCount "63"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 Be7 7. Bc4 Nb6 8. Bb3 d5 9. 0-0 0-0 10. Nc3 Nc6 11. Bc2 f5 12. exf6 Bxf6 13. Qd3 g6 14. Bh6 Nb4 15. Qd2 Nxc2 16. Qxc2 Bg7 17. Bxg7 Kxg7 18. Ne5 Nd7 19. Nb5 Nxe5 20. dxe5 Bd7 21. Nd6 Bc6 22. b4 a6 23. a4 Qg5 24. Qc3 Rf4 25. f3 d4 26. Qc5 Rxf3 27. Rxf3 Bxf3 28. Qc7+ Kg8 29. Qf7+ Kh8 30. Qxf3 Qe7 31. Rf1 b5 32. Qxa8+ 1-0

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.11"]
[Round "2"]
[White "Rejniak, Zuzanna"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1458"]
[BlackElo "1494"]
[PlyCount "64"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. 0-0-0 Qd7 10. Kb1 Bf6 11. Nd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 0-0 14. h4 Rfe8 15. h5 h6 16. Bc4 Qc6 17. Bxe6 Rxe6 18. Rh3 Re4 19. Qd2 Rae8 20. Rg3 d5 21. a3 Re2 22. Qxd5 Qxd5 23. Rxd5 Rxf2 24. Rd7 Ree2 25. Rxc7 b5 26. Rf3 Rxg2 27. c4 Rxc2 28. Rb3 bxc4 29. Rb8+ Kh7 30. Rxf7 Rcf2 31. Rxa7 c3 32. Rc8 Rxb2+ 0-1

[Event "Warsaw YMCA Spring-C 200th"]
[Site "Warsaw"]
[Date "2018.04.06"]
[Round "1"]
[White "Mazurkiewicz, Wojciech"]
[Black "Sypula, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1494"]
[PlyCount "67"]
[EventDate "2018.04.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Be2 g6 7. 0-0 Bg7 8. Re1 0-0 9. Bc4 b5 10. Bb3 Bb7 11. Bg5 Nc6 12. Qd2 Na5 13. Bf4 Qd8 14. Ne5 Nh5 15. Rad1 Nxb3 16. axb3 Nxf4 17. Qxf4 e6 18. Ne4 Bxe4 19. Qxe4 Qd6 20. c3 Rfd8 21. Nd3 Qd5 22. Nc5 Bf8 23. Qxd5 Rxd5 24. b4 a5 25. Ne4 Kg7 26. bxa5 Rxa5 27. Ra1 b4 28. g3 Rxa1 29. Rxa1 f5 30. Ng5 bxc3 31. bxc3 e5 32. Ne6+ Kf7 33. Nxf8 Kxf8 34. dxe5 1/2-1/2

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.08.11"]
[Round "10"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kwiek, Janusz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1429"]
[BlackElo "1475"]
[PlyCount "55"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 0-0 9. Bd3 b6 10. 0-0 Ba6 11. Na3 Bxd3 12. Qxd3 f5 13. Nc4 Nc6 14. a3 Nce7 15. Rac1 Rc8 16. Nd6 Rxc1 17. Rxc1 Qb8 18. Qa6 Nc6 19. b4 Nc7 20. Qc4 b5 21. Qd3 a6 22. g3 Qb6 23. Rc5 Nd5 24. Qc2 h6 25. Qd3 Qd8 26. Qc2 Nde7 27. Qd3 Qa8 28. Rc1 1/2-1/2

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.08.08"]
[Round "9"]
[White "Majek, Kacper"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1499"]
[BlackElo "1429"]
[PlyCount "77"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 a6 4. Nf3 Bg4 5. Be2 Qd7 6. 0-0 0-0-0 7. d3 f6 8. Nbd2 e5 9. c4 Bb4 10. cxd5 Qxd5 11. Nc4 Nge7 12. a3 Bc5 13. d4 exd4 14. Nxd4 Bxe2 15. Nxe2 b5 16. Qxd5 Rxd5 17. Nf4 Rd7 18. b4 Ba7 19. Na5 Nxa5 20. bxa5 c5 21. Rfc1 Kb7 22. Ne6 Nc6 23. Nxc5+ Bxc5 24. Rxc5 Nxa5 25. Rc2 Rhd8 26. g4 Nb3 27. Rb1 Rd1+ 28. Rxd1 Rxd1+ 29. Kg2 Rd2 30. Rxd2 Nxd2 31. f4 Nc4 32. Bc1 a5 33. Kf3 b4 34. axb4 axb4 35. Ke4 b3 36. Kd5 b2 37. Bxb2 Nxb2 38. Ke6 Nd1 39. Kf7 1/2-1/2

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.08.04"]
[Round "8"]
[White "Pyka, Tomasz"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1451"]
[BlackElo "1429"]
[PlyCount "81"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Nb4 9. Be2 0-0 10. a3 Nc6 11. Nc3 Nxc3 12. bxc3 Bf5 13. Re1 Re8 14. cxd5 Qxd5 15. Bf4 Rac8 16. Nd2 Qd7 17. Bf3 Bd6 18. Be3 b5 19. a4 b4 20. c4 a5 21. Nb3 Ra8 22. c5 Bf8 23. h3 Be4 24. Be2 Ne7 25. Nd2 Bd5 26. Nc4 Qe6 27. Ne5 f6 28. Nd3 g5 29. Bh5 Red8 30. Bxg5 Qf5 31. Bf4 c6 32. Bg4 Qg6 33. Bg3 Nf5 34. Nf4 Qg5 35. h4 Nxh4 36. Nxd5 cxd5 37. Be6+ Kg7 38. Bxh4 Qxh4 39. Re3 h5 40. Rh3 Qe4 41. Qxh5 1-0

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.08.01"]
[Round "7"]
[White "Kuznik, Kamil"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1455"]
[BlackElo "1429"]
[PlyCount "81"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. c4 Bb4+ 8. Nbd2 Nxd2 9. Bxd2 Bxd2+ 10. Qxd2 dxc4 11. Bxc4 0-0 12. 0-0 Bg4 13. Rad1 Qf6 14. Qc3 Rfe8 15. Kh1 Rad8 16. Ne5 Bxd1 17. Bxf7+ Kh8 18. Bxe8 Rxe8 19. Rxd1 Qxf2 20. Qc4 Nxe5 21. dxe5 h6 22. Qxc7 Qxb2 23. e6 Qe2 24. Qd7 Rxe6 25. h3 Qxa2 26. Qd8+ Kh7 27. Qd3+ Rg6 28. Qe4 Qe6 29. Qxb7 Qc6 30. Qxc6 Rxc6 31. Rd7 Ra6 32. Kh2 Ra3 33. Rd6 a5 34. h4 h5 35. Rd5 g6 36. Rd7+ Kh6 37. Ra7 a4 38. Ra5 Ra1 39. Kg3 a3 40. Ra4 a2 41. Ra7 1/2-1/2

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.27"]
[Round "6"]
[White "Mazurkiewicz, Wojciech"]
[Black "Szumigaj, Marcin"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1429"]
[BlackElo "1433"]
[PlyCount "75"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nf3 Nf6 5. e5 Nfd7 6. Bc4 Nb6 7. Bb3 0-0 8. 0-0 c5 9. c3 c4 10. Bc2 d5 11. f5 Na6 12. Nh4 Nd7 13. Qf3 Qb6 14. Kh1 h6 15. fxg6 fxg6 16. Qxd5+ e6 17. Qxc4 Rxf1+ 18. Qxf1 g5 19. Nf3 Qd8 20. Na3 Nf8 21. Nc4 Nc7 22. Nd6 Qe7 23. Bd2 Ne8 24. Ne4 Bd7 25. Ng3 Nh7 26. Bxh7+ Kxh7 27. Qd3+ Kg8 28. Qg6 Qf7 29. Qxf7+ Kxf7 30. Rf1 Kg8 31. Nh5 Bb5 32. Rf2 Nc7 33. Nf6+ Kh8 34. h4 Bxf6 35. exf6 Rf8 36. hxg5 Nd5 37. Ne5 Ne7 38. Kg1 1-0

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.25"]
[Round "5"]
[White "Borys, Marek"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1433"]
[BlackElo "1429"]
[PlyCount "66"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 Ne4 7. Qc2 f5 8. Nc3 Nxc3 9. Qxc3 d6 10. e3 Nd7 11. Bd3 Nf6 12. 0-0-0 0-0 13. h3 b6 14. Kb1 Ne4 15. Qe1 Bb7 16. Rg1 Rab8 17. Qe2 a6 18. Ka1 Bc6 19. Nd2 d5 20. Nxe4 fxe4 21. Bb1 b5 22. cxd5 Bxd5 23. Ba2 b4 24. Bxd5 exd5 25. axb4 Qxb4 26. Qc2 Rb6 27. Rd2 Qa5+ 28. Kb1 Rb4 29. Qc5 Rb5 30. Qc2 Rfb8 31. Rc1 Qa3 32. Qc3 Rb3 33. Qc2 R8b4 0-1

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.19"]
[Round "3"]
[White "Kwiek, Janusz"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1475"]
[BlackElo "1429"]
[PlyCount "99"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. Nc3 0-0 6. Qc2 d6 7. a3 Bxc3 8. Bxc3 Nbd7 9. e3 b6 10. Be2 Bb7 11. 0-0 Ne4 12. Rfd1 f5 13. Be1 Ndf6 14. Nd2 Nxd2 15. Bxd2 Ne4 16. Be1 Qf7 17. f3 Nf6 18. Rac1 Rac8 19. b4 c5 20. dxc5 dxc5 21. bxc5 bxc5 22. Ba5 Bc6 23. Rd2 Qe8 24. Bd1 Rf7 25. Qc3 Rd7 26. Rxd7 Qxd7 27. Bc2 Qb7 28. Qe5 Kf7 29. Rd1 Qb8 30. Qxb8 Rxb8 31. Rd6 Bd7 32. Bc3 Rb6 33. Rd2 Ra6 34. Bxf6 Kxf6 35. Rxd7 Rxa3 36. Kf2 Rc3 37. Bd3 a5 38. Ke2 Rb3 39. Kd2 Rb2+ 40. Bc2 a4 41. Kc3 Ra2 42. Ra7 Ra1 43. Rxa4 Rg1 44. g3 Rg2 45. g4 fxg4 46. fxg4 Rxh2 47. Ra5 Rg2 48. Bd1 e5 49. Rxc5 g6 50. Kd3 1-0

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.18"]
[Round "4"]
[White "Mazurkiewicz, Wojciech"]
[Black "Majek, Kacper"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1429"]
[BlackElo "1499"]
[PlyCount "165"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Nf6 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. 0-0 0-0 10. Qe2 c5 11. Be4 Qc7 12. Ng5 Bxe4 13. Qxe4 Bxg5 14. Bxg5 Nc6 15. Qg4 Kh8 16. Qh4 cxd4 17. cxd4 Nb4 18. Be7 Nxc2 19. Rac1 Rfc8 20. Qe4 Qc4 21. Rfd1 Qxa2 22. Qf4 Qa4 23. Qxf7 Nxd4 24. Ra1 Ne2+ 25. Kh1 Qf4 26. Qxf4 Nxf4 27. Rxd7 Nd5 28. g3 a5 29. f4 Nxe7 30. Rxe7 Rc6 31. Rd1 Rg8 32. Rd6 Rc1+ 33. Kg2 b5 34. Rdxe6 a4 35. Ra6 Rcc8 36. Rb7 Rb8 37. Rab6 Ra8 38. Rxb5 Rgc8 39. Rb2 Kg8 40. e6 g6 41. Kf3 a3 42. Ra2 Re8 43. Rb3 Rxe6 44. Rbxa3 Rxa3+ 45. Rxa3 Rb6 46. Ra7 Rb3+ 47. Kg4 Rb5 48. Re7 Rh5 49. h3 Rb5 50. Re5 Rb3 51. Re7 Rb5 52. Kh4 Rh5+ 53. Kg4 Rb5 54. Kf3 Rb3+ 55. Re3 Rb5 56. g4 Rc5 57. Kg3 Rb5 58. Re5 Rb3+ 59. Kh4 h6 60. Rc5 Rf3 61. f5 Kg7 62. Rc7+ Kg8 63. fxg6 Rd3 64. Rh7 Rd6 65. Rxh6 Kg7 66. Kh5 Rd1 67. Rh7+ Kg8 68. Kg5 Rd5+ 69. Kf6 Rd6+ 70. Kf5 Ra6 71. h4 Ra5+ 72. Kf6 Ra6+ 73. Kg5 Rb6 74. Rf7 Ra6 75. h5 Rb6 76. h6 Rb5+ 77. Rf5 Rb6 78. Rd5 Rb8 79. Rd7 Ra8 80. Re7 Rf8 81. h7+ Kh8 82. g7+ Kxh7 83. gxf8Q# 1-0

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.06"]
[Round "2"]
[White "Mazurkiewicz, Wojciech"]
[Black "Urbaniak, Karol"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1429"]
[BlackElo "1504"]
[PlyCount "49"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. cxd4 Qxg5 9. Bxb5+ Kd8 10. 0-0 Bb7 11. Qf3 Bd6 12. Nc3 exd4 13. Ne4 Qe5 14. Nxd6 Qxd6 15. d3 Rb8 16. Qxf7 Rf8 17. Qxg7 Bc8 18. Bc4 Nf6 19. b3 Rb7 20. Bf4 Qc5 21. Bh6 Nd7 22. Bg5+ Nf6 23. Bxf6+ Rxf6 24. Qxf6+ Qe7 25. Qxe7+ 1-0

[Event "Warsaw YMCA Summer-B 188th"]
[Site "Warsaw"]
[Date "2017.07.04"]
[Round "1"]
[White "Pyka, Tomasz"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1451"]
[BlackElo "1429"]
[PlyCount "85"]
[EventDate "2017.07.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. Nc3 Nxc3 10. bxc3 Nxd3 11. Qxd3 dxc4 12. Qxc4 0-0 13. Re1 Be6 14. Qb5 b6 15. Bf4 Re8 16. Ne5 Bd6 17. Nc6 Qd7 18. Bxd6 Qxd6 19. Ne5 f6 20. Nd3 a5 21. Re3 Bd7 22. Qc4+ Be6 23. Qb5 Qd5 24. Qb2 Bd7 25. Nf4 Qc4 26. Rg3 Re7 27. Qb3 Qxb3 28. axb3 Rae8 29. h4 Re1+ 30. Rxe1 Rxe1+ 31. Kh2 Re4 32. Nd5 Rxh4+ 33. Kg1 Be6 34. Nxc7 Bxb3 35. d5 Kf7 36. d6 Ba4 37. Re3 Rc4 38. Re7+ Kf8 39. Ne6+ Kg8 40. Rxg7+ Kh8 41. d7 Bxd7 42. Rxd7 Rxc3 43. Rd8# 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.21"]
[Round "13"]
[White "Mazurkiewicz, Wojciech"]
[Black "Szynalski, Bartosz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1482"]
[BlackElo "1517"]
[PlyCount "98"]
[EventDate "2017.04.06"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be3 b6 7. Nbd2 Bb7 8. Bc4 Qd8 9. 0-0 Be7 10. Bb5+ Nbd7 11. Ne5 0-0 12. Ndf3 Nxe5 13. Nxe5 cxd4 14. Qxd4 Qd5 15. Qxd5 Nxd5 16. Bd2 a6 17. Bc6 Bxc6 18. Nxc6 Bf6 19. Rfe1 Rac8 20. Ne5 Rfd8 21. Ng4 Be7 22. Rad1 b5 23. Bc1 Nb6 24. Be3 Nc4 25. Rxd8+ Rxd8 26. b3 Na3 27. Bd4 Nc2 28. Rd1 b4 29. Rd2 h5 30. Ne3 Nxe3 31. Bxe3 bxc3 32. Rxd8+ Bxd8 33. Kf1 Bc7 34. h3 f5 35. g3 e5 36. Ke2 c2 37. Kd2 f4 38. gxf4 exf4 39. Bd4 g5 40. Kxc2 Kf7 41. Kd3 g4 42. hxg4 hxg4 43. Kc4 g3 44. fxg3 fxg3 45. b4 g2 46. Bg1 Bb8 47. b5 axb5+ 48. Kxb5 Bg3 49. a4 Be1 1/2-1/2

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.13"]
[Round "12"]
[White "Mazurek, Jerzy"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1444"]
[BlackElo "1482"]
[PlyCount "44"]
[EventDate "2017.04.06"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Bg4 6. d4 Qe7 7. Be2 Bxf3 8. gxf3 Nf6 9. Nc3 Nbd7 10. Be3 a6 11. Qc2 g6 12. 0-0-0 Bg7 13. Rhe1 0-0 14. f4 Bh6 15. Bf3 c6 16. f5 Bxe3+ 17. Rxe3 Qd8 18. h4 Qa5 19. fxg6 fxg6 20. Kb1 Rae8 21. Rc1 Qf5 22. Qxf5 gxf5 1/2-1/2

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.06.07"]
[Round "11"]
[White "Mazurkiewicz, Wojciech"]
[Black "Wangrat, Jan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1482"]
[BlackElo "1451"]
[PlyCount "38"]
[EventDate "2017.04.06"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 e6 7. dxc5 Qxd1+ 8. Kxd1 0-0-0+ 9. Ke1 Nf6 10. Nbd2 Be7 11. h3 Nd5 12. Nc4 Nxe3 13. Nxe3 Bxc5 14. Bb5 Bg6 15. Bxc6 bxc6 16. Ne5 Kc7 17. Nxg6 hxg6 18. Ke2 Rb8 19. b3 Rhd8 1/2-1/2

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.31"]
[Round "10"]
[White "Urbaniak, Karol"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1490"]
[BlackElo "1482"]
[PlyCount "94"]
[EventDate "2017.04.06"]
[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 Nf6 3. d4 Nxe4 4. Nxe5 d6 5. Nf3 d5 6. Ne5 Bd6 7. Be2 0-0 8. 0-0 Re8 9. f4 f6 10. Ng4 Nc6 11. Nf2 Qe7 12. Bd3 Nxf2 13. Kxf2 Nxd4 14. Qh5 Nf5 15. Bxf5 Bc5+ 16. Kg3 g6 17. Bxg6 hxg6 18. Qxg6+ Qg7 19. Qxg7+ Kxg7 20. Nc3 c6 21. Bd2 d4 22. Na4 Bd6 23. b3 Bf5 24. c4 Re2 25. Rf2 Rae8 26. c5 Bc7 27. Nb2 Kf7 28. h3 d3 29. Raf1 b5 30. Nd1 a5 31. Nc3 R2e7 32. a3 Be6 33. b4 a4 34. Re1 Bc4 35. Rxe7+ Rxe7 36. Kf3 f5 37. g4 Be6 38. g5 Kg6 39. Rf1 Bc4 40. Re1 Bd8 41. Rxe7 Bxe7 42. Nd1 Bf8 43. Ke3 Bg7 44. Nf2 Bb2 45. Nxd3 Bxd3 46. Kxd3 Bg7 47. Bc3 Bf8 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.24"]
[Round "9"]
[White "Mazurkiewicz, Wojciech"]
[Black "Budrewicz, Henryk"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1482"]
[BlackElo "1427"]
[PlyCount "62"]
[EventDate "2017.04.06"]
[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 b6 3. g3 Bb7 4. Bg2 Nf6 5. Nd2 d5 6. e5 Nfd7 7. Ngf3 c5 8. c3 cxd4 9. cxd4 Ba6 10. Bf1 Bxf1 11. Kxf1 Be7 12. Kg2 0-0 13. Nb3 Nc6 14. a3 Rc8 15. Be3 f5 16. Qd2 a5 17. Nc1 b5 18. Nd3 Nb6 19. b3 a4 20. Nc5 Bxc5 21. dxc5 Nd7 22. Qb2 axb3 23. Qxb3 Rb8 24. Nd4 Nxd4 25. Bxd4 Qc7 26. Qc3 Qc6 27. Rhb1 g5 28. Qf3 h6 29. h4 g4 30. Qf4 Kg7 31. Be3 d4+ 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.19"]
[Round "7"]
[White "Mazurkiewicz, Wojciech"]
[Black "Kwiek, Janusz"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1482"]
[BlackElo "1466"]
[PlyCount "120"]
[EventDate "2017.04.06"]
[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 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 cxd4 6. cxd4 Bb4+ 7. Bd2 Qb6 8. a3 Bxd2+ 9. Qxd2 Nge7 10. Nc3 Nf5 11. Rd1 0-0 12. Bd3 Ncxd4 13. Na4 Nxf3+ 14. gxf3 Qc7 15. f4 Nh4 16. Ke2 Qc6 17. Nc3 f5 18. Qe3 Bd7 19. Qg3 Ng6 20. h4 Ne7 21. Rhg1 Rf7 22. Nb5 Nc8 23. b4 Qb6 24. Nc3 Ne7 25. b5 Rc8 26. Rc1 Qd4 27. Qe3 Qxe3+ 28. Kxe3 Rff8 29. Ne2 Rxc1 30. Rxc1 Rc8 31. Rxc8+ Nxc8 32. Kd4 Kf7 33. h5 Ke7 34. a4 Be8 35. Ng3 b6 36. Bc2 g6 37. h6 Kf7 38. Kc3 Ne7 39. Kb4 Ng8 40. Ne2 Nxh6 41. Nd4 Ke7 42. Nc6+ Bxc6 43. bxc6 Kd8 44. Kb5 Kc7 45. Ka6 Nf7 46. Kxa7 Nd8 47. Ka6 Nxc6 48. Bd1 Nd4 49. a5 bxa5 50. Kxa5 h5 51. Kb4 Kb6 52. Kc3 Kc5 53. Kd2 Kc4 54. Ba4 Nb5 55. Ke3 d4+ 56. Kf3 d3 57. Ke3 h4 58. Bd1 Nd4 59. f3 Kc3 60. Kf2 Nc2 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.17"]
[Round "8"]
[White "Duda, Ryszard"]
[Black "Mazurkiewicz, Wojciech"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1453"]
[BlackElo "1482"]
[PlyCount "98"]
[EventDate "2017.04.06"]
[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 Nf6 3. Nc3 Bb4 4. d3 0-0 5. Be2 d6 6. 0-0 Bxc3 7. bxc3 h6 8. h3 Nc6 9. Be3 b6 10. Nd2 d5 11. Bf3 d4 12. cxd4 Nxd4 13. Bxd4 Qxd4 14. Nb3 Qc3 15. Qd2 Qxd2 16. Nxd2 Ba6 17. Rfe1 c5 18. Nc4 Bxc4 19. dxc4 Rfd8 20. Rad1 Rd4 21. Rxd4 cxd4 22. Be2 Rd8 23. Bd3 Nd7 24. Rb1 Nc5 25. f3 f6 26. Rb4 Rd6 27. a3 Kf8 28. Rb1 Ke7 29. Ra1 Na4 30. Kf2 Rd8 31. Rb1 Nc3 32. Rb4 Kd6 33. Ke1 Kc5 34. Kd2 g5 35. Rb2 h5 36. Bf1 g4 37. a4 gxh3 38. gxh3 Rg8 39. Ke1 Rg3 40. Kf2 Rxh3 41. Bxh3 Nd1+ 42. Kg3 Nxb2 43. Be6 Nxa4 44. Kh4 Nb2 45. Kxh5 a5 46. Bd7 a4 47. Bxa4 Nxa4 48. Kg6 Nb2 49. Kxf6 Nxc4 0-1

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.10"]
[Round "6"]
[White "Szumigaj, Marcin"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1396"]
[BlackElo "1482"]
[PlyCount "129"]
[EventDate "2017.04.06"]
[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 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. Nbd2 e5 7. c4 d4 8. a3 Bd6 9. b4 0-0 10. Ng5 h6 11. Nge4 Be7 12. Nxf6+ Nxf6 13. Nb3 Rb8 14. Bd2 Qc7 15. h3 Bf5 16. f4 Bd7 17. fxe5 Qxe5 18. Bf4 Qh5 19. Bxb8 Rxb8 20. e4 dxe3 21. Qxh5 Nxh5 22. Rf3 Bf6 23. Re1 Bb2 24. Rfxe3 Bxa3 25. Nc5 Nf6 26. Nxd7 Nxd7 27. Re8+ Rxe8 28. Rxe8+ Nf8 29. b5 cxb5 30. cxb5 a6 31. bxa6 bxa6 32. Ra8 Bc5+ 33. Kf1 g6 34. Bd5 Kg7 35. Rxa6 Nd7 36. Rc6 Bb6 37. Rd6 Nf6 38. Rxb6 Nxd5 39. Rd6 Ne3+ 40. Kf2 Nf5 41. Rd8 h5 42. Kf3 Kf6 43. g4 hxg4+ 44. hxg4 Ke7 45. Ra8 Nd6 46. Kf4 f6 47. g5 Ke6 48. gxf6 Kxf6 49. Ra6 g5+ 50. Kg4 Ke5 51. Kxg5 Nf7+ 52. Kg6 Nd6 53. Ra8 Nb7 54. Rb8 Nc5 55. Rd8 Ne6 56. Re8 Kd5 57. Kf6 Nc5 58. Rd8+ Kc6 59. Ke7 Nb7 60. Rd7 Nc5 61. Rd6+ Kc7 62. d4 Nb7 63. Rd7+ Kc6 64. d5+ Kb6 65. Rxb7+ 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.05.03"]
[Round "5"]
[White "Mazurkiewicz, Wojciech"]
[Black "Bartczak, Hanna"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1482"]
[BlackElo "1505"]
[PlyCount "35"]
[EventDate "2017.04.06"]
[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 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Qf6 7. Qb3 b6 8. Nd2 Bd6 9. Nf3 h6 10. Be3 Qe7 11. 0-0-0 Nf6 12. Bd5 c6 13. Bxf7+ Kf8 14. Bg6 Bc7 15. Nxe5 Bxe5 16. Rd8+ Ne8 17. Rxe8+ Qxe8 18. Bxe8 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.26"]
[Round "4"]
[White "Kucharski, Jacek"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1388"]
[BlackElo "1482"]
[PlyCount "111"]
[EventDate "2017.04.06"]
[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 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. cxd5 exd5 7. d4 c4 8. Bg5 Be7 9. Nc3 Ne4 10. Bxe7 Nxc3 11. bxc3 Qxe7 12. Re1 0-0 13. Qc2 Qf6 14. e4 dxe4 15. Qxe4 Bf5 16. Qh4 Qd8 17. Rad1 Re8 18. Qxd8 Raxd8 19. Rxe8+ Rxe8 20. d5 Nd8 21. Nd4 Bd7 22. Bf1 b5 23. Rb1 a6 24. Nc2 Bf5 25. Re1 Rxe1 26. Nxe1 Be4 27. Bg2 f5 28. f4 Bxg2 29. Kxg2 Kf7 30. Kf3 Ke7 31. Ke3 Kd6 32. Kd4 Nf7 33. Nf3 g6 34. Ne5 Nd8 35. h3 Nb7 36. Nf7+ Ke7 37. Ng5 h6 38. Ne6 Kd6 39. g4 fxg4 40. hxg4 h5 41. f5 gxf5 42. gxh5 Ke7 43. h6 Nd6 44. h7 Nf7 45. Ng5 Nh8 46. Kc5 Kd7 47. Ne6 Nf7 48. Nf8+ Ke7 49. Ng6+ Kf6 50. h8Q+ Nxh8 51. Nxh8 f4 52. d6 Ke6 53. Kc6 f3 54. d7 f2 55. d8Q f1Q 56. Qd6+ 1-0

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.19"]
[Round "3"]
[White "Mazurkiewicz, Wojciech"]
[Black "Borys, Marek"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "1482"]
[BlackElo "1384"]
[PlyCount "63"]
[EventDate "2017.04.06"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 Bd6 10. Ne5 Nbd7 11. Ngf3 Be7 12. Ng6 fxg6 13. Bxg6+ Kf8 14. Qxe6 Qa5+ 15. c3 Qd5 16. Qe2 Nb6 17. 0-0 Bg4 18. Re1 Bd6 19. Bf4 Rd8 20. Bxd6+ Qxd6 21. c4 Nc8 22. Rad1 Ne7 23. Bc2 g6 24. c5 Qd7 25. Qe5 Ned5 26. Nh4 Bxd1 27. Nxg6+ Kf7 28. Nxh8+ Rxh8 29. Bxd1 Kg7 30. Qg3+ Kf7 31. h3 Re8 32. Rxe8 1/2-1/2

[Event "Warsaw YMCA Spring-C 185th"]
[Site "Warsaw"]
[Date "2017.04.13"]
[Round "1"]
[White "Derylo, Kamil"]
[Black "Mazurkiewicz, Wojciech"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1372"]
[BlackElo "1482"]
[PlyCount "89"]
[EventDate "2017.04.06"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bg5 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Be7 11. Rfe1 0-0 12. Rad1 h6 13. Bh4 Nd5 14. Bxe7 Qxe7 15. c4 Nb4 16. Qb3 Rfd8 17. d5 Na6 18. dxe6 fxe6 19. Nd4 Re8 20. Rxe6 Qd7 21. Rxe8+ Rxe8 22. Nf3 Qe7 23. h3 Nc5 24. Qc2 Rd8 25. Rxd8+ Qxd8 26. Qd2 Qxd2 27. Nxd2 Kf7 28. Kh2 Nd3 29. Ne4 Nxb2 30. Nd6+ Ke6 31. Nxb7 Nxc4 32. Kg3 Ne5 33. f4 Nd3 34. Kg4 c5 35. Na5 Kd5 36. Kf5 g6+ 37. Kxg6 Nxf4+ 38. Kxh6 Nxg2 39. Kg5 c4 40. h4 c3 41. h5 c2 42. Nb3 Ke5 43. h6 Nf4 44. h7 Ne6+ 45. Kh6 1-0

