[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "9"]
[White "Celinski, Kamil"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2022"]
[BlackElo "1911"]
[PlyCount "71"]
[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. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Bg5 Rb8 12. a4 Bf5 13. Qd2 Be6 14. b3 Nd7 15. Rab1 Nc5 16. b4 Bxc3 17. Qxc3 Nxa4 18. Qa1 b5 19. cxb5 axb5 20. Bh6 f6 21. Bxf8 Kxf8 22. Qd4 Rc8 23. Rfc1 Bc4 24. Bf3 Qb6 25. Qxb6 Nxb6 26. Ra1 Na4 27. Bd5 Nb6 28. Bxc4 bxc4 29. Ra6 Nd5 30. b5 c3 31. Rc6 Rb8 32. e4 Nb4 33. R6xc3 Rxb5 34. Rc8+ Kf7 35. Rh8 Kg7 36. Rcc8 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "3"]
[White "Heberla, Bartlomiej"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2515"]
[BlackElo "1911"]
[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. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. Be2 0-0 7. 0-0 Bf5 8. Qb3 Qb6 9. c5 Qc7 10. Nh4 Nbd7 11. Nxf5 gxf5 12. f3 e5 13. Qc2 e4 14. fxe4 fxe4 15. Bd2 b6 16. cxb6 axb6 17. Be1 c5 18. Bg3 Qc8 19. Nb5 Ne8 20. Bg4 Qb7 21. Bd6 Nxd6 22. Nxd6 Qc6 23. Nf5 Qc7 24. Ne7+ Kh8 25. Nxd5 Qd6 26. Qxe4 cxd4 27. exd4 Rae8 28. Qf5 Bxd4+ 29. Kh1 Nc5 30. Qh5 Re5 31. Bf5 h6 32. Rad1 Qxd5 33. Qxh6+ 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "7"]
[White "Klim, Filip"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2000"]
[BlackElo "1911"]
[PlyCount "53"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Be2 Nc6 9. 0-0 Bg4 10. d5 Na5 11. c5 Nbc4 12. Bd4 Bxf3 13. Bxf3 Nxb2 14. Qd2 Nac4 15. Qf4 e5 16. dxe6 Qxd4 17. exf7+ Kh8 18. Ne4 Nd3 19. Qh4 Nde5 20. Rad1 Nxf3+ 21. gxf3 Qe5 22. Ng5 h6 23. f4 Qf5 24. Rfe1 Rad8 25. Rxd8 Rxd8 26. Re8+ Bf8 27. Qxh6# 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "2"]
[White "Stefaniuk, Zbigniew"]
[Black "Fiszer, Bartosz"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1911"]
[BlackElo "2335"]
[PlyCount "67"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 Nc6 10. d5 Ne7 11. 0-0 h5 12. h3 Nh6 13. b4 g5 14. Bg3 Ng6 15. c5 f5 16. exf5 Bxf5 17. Bd3 Nf4 18. Bxf5 Nxf5 19. Ne4 Bh6 20. Bxf4 exf4 21. Nd4 Qd7 22. Ne6 Rfe8 23. cxd6 Nxd6 24. Nf6+ Kf7 25. Nxd7 Kg8 26. Nxc7 Re7 27. Nxa8 Rxd7 28. Rc1 Bg7 29. Rc7 Rd8 30. Rxg7+ Kxg7 31. Qd4+ Kg6 32. Re1 Nf5 33. Re6+ Kh7 34. Qf6 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "8"]
[White "Stefaniuk, Zbigniew"]
[Black "Smal, Tobiasz"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1911"]
[BlackElo "2002"]
[PlyCount "53"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 Nc6 7. h4 e5 8. Nge2 exd4 9. Nxd4 Nxd4 10. Bxd4 h5 11. 0-0-0 Be6 12. Kb1 a6 13. Nd5 Bxd5 14. exd5 Re8 15. Bd3 Nd7 16. Bxg7 Kxg7 17. g4 Rh8 18. Qc3+ Kg8 19. Rdg1 Ne5 20. gxh5 Rxh5 21. f4 Nf3 22. Bxg6 Nxg1 23. Bxh5 Ne2 24. Bxe2 f6 25. Rg1+ Kf7 26. Bh5+ Kf8 27. Qg3 1-0

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "4"]
[White "Stefaniuk, Zbigniew"]
[Black "Starosta, Martyna"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1911"]
[BlackElo "2266"]
[PlyCount "112"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. d4 Bb4 6. Bg5 Nbd7 7. e3 h6 8. Bh4 g5 9. Bg3 Ne4 10. Qb3 Qe7 11. a3 Bxc3+ 12. bxc3 c6 13. c4 Nb6 14. c5 Nd7 15. Bd3 h5 16. Bxe4 Qxe4 17. h3 h4 18. Bd6 Qg6 19. Rc1 Nf6 20. Ne5 Qe4 21. f3 Qf5 22. Qd3 Qe6 23. Kf2 Nd7 24. Nxd7 Bxd7 25. e4 dxe4 26. Qxe4 0-0-0 27. Qxe6 Bxe6 28. Rhe1 b6 29. Be5 Rhe8 30. cxb6 axb6 31. Rxc6+ Kb7 32. Rc7+ Ka6 33. Rec1 Rd5 34. R7c4 Rxe5 35. dxe5 Bxc4 36. Rxc4 Rxe5 37. Rc7 f6 38. Rf7 Re6 39. g3 hxg3+ 40. Kxg3 Kb5 41. Ra7 Kc4 42. Kg4 Kb3 43. Kf5 Rc6 44. Rf7 Kxa3 45. Rxf6 Rxf6+ 46. Kxf6 b5 47. Kxg5 b4 48. f4 b3 49. f5 b2 50. f6 b1Q 51. f7 Qb8 52. Kg6 Qf8 53. h4 Kb4 54. h5 Kc5 55. h6 Kd6 56. h7 Ke5 0-1

[Event "Warsaw Maciei Memorial Blitz"]
[Site "Warsaw"]
[Date "2024.07.08"]
[Round "6"]
[White "Stefaniuk, Zbigniew"]
[Black "Wiech, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1911"]
[BlackElo "2106"]
[PlyCount "75"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 e6 8. d4 d5 9. e5 Ne4 10. Nbd2 Nxd2 11. Bxd2 cxd4 12. cxd4 Be7 13. Rc1 0-0 14. h4 Rac8 15. h5 h6 16. Bf4 Nb4 17. a3 Rxc1 18. Bxc1 Nc6 19. Bf4 Rc8 20. Qd2 Kh7 21. Rc1 Nd8 22. Qd3+ Kg8 23. Qd2 Rxc1+ 24. Qxc1 Bf8 25. g4 Nc6 26. g5 hxg5 27. Bxg5 Ne7 28. h6 gxh6 29. Bxh6 Bxh6 30. Qxh6 Nf5 31. Qg5+ Kf8 32. Qf6 Qc7 33. Qh8+ Ke7 34. Qf6+ Kf8 35. Qh8+ Ke7 36. Qf6+ Ke8 37. Qh8+ Ke7 38. Qf6+ 1/2-1/2

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "1"]
[White "Kantans, Toms"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C82"]
[WhiteElo "2487"]
[BlackElo "1827"]
[PlyCount "109"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 0-0 11. Be3 Qd7 12. Nbd2 Bxe3 13. Qxe3 Nxd2 14. Qxd2 Rad8 15. Rfe1 Na5 16. Bc2 Bf5 17. Bxf5 Qxf5 18. Qd4 Rfe8 19. Qa7 Qc8 20. b3 Qb7 21. Qd4 Qb6 22. Qxb6 cxb6 23. Nd4 Rc8 24. Re3 Nc6 25. Nf5 Rcd8 26. f4 d4 27. Rg3 g6 28. Nd6 Re6 29. Rd1 dxc3 30. Rxc3 Ne7 31. Rcd3 h5 32. Kf2 Rd7 33. g3 Rd8 34. Kf3 Rd7 35. h3 Rd8 36. g4 hxg4+ 37. hxg4 Rd7 38. Ne4 Rxd3+ 39. Rxd3 Kg7 40. Rd7 Nc6 41. Nf6 Re7 42. Rd6 Re6 43. g5 Rxd6 44. exd6 Kf8 45. Ke4 Nd8 46. Nd7+ Ke8 47. Nxb6 Nb7 48. Kd5 Kd8 49. b4 Ke8 50. Kc6 Nd8+ 51. Kc7 Ne6+ 52. Kc8 Kf8 53. Nd5 Ke8 54. d7+ Kf8 55. d8Q+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.19"]
[Round "9"]
[White "Stefaniuk, Zbigniew"]
[Black "Bury, Milosz"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1721"]
[BlackElo "1785"]
[PlyCount "53"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 Bg4 12. f3 Be6 13. Bg5 h6 14. Bh4 Qb6+ 15. Kh1 Nd7 16. f4 f6 17. Qh5 Ne7 18. Rae1 Rae8 19. Bf2 Qc6 20. Bb5 Qd6 21. Bc5 Qxc5 22. Rxe6 Rd8 23. b4 Qxc3 24. Rxe7 Nb6 25. Bd3 Rd7 26. Rxd7 Nxd7 27. Qxd5+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.18"]
[Round "8"]
[White "Pires, Emanuel Joao Robart"]
[Black "Stefaniuk, Zbigniew"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1994"]
[BlackElo "1721"]
[PlyCount "111"]
[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 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. 0-0 Nxe4 5. Nc3 Nxc3 6. dxc3 f6 7. Nh4 g6 8. f4 Qe7 9. Kh1 d6 10. f5 Qg7 11. a4 Bd7 12. Bd5 Nd8 13. c4 c6 14. Be4 g5 15. Nf3 Nf7 16. b4 Be7 17. b5 0-0 18. Rb1 Rab8 19. Be3 a6 20. bxa6 bxa6 21. Qd3 h6 22. Ba7 Rxb1 23. Rxb1 Be8 24. Rb6 a5 25. Bxc6 Bd8 26. Bxe8 Rxe8 27. Rb7 Qf8 28. Qd5 Re7 29. Rb8 Rxa7 30. Nd2 Kg7 31. Ne4 Qe7 32. c5 Bc7 33. Rb5 dxc5 34. Nxc5 Qd6 35. Qf3 e4 36. Qh5 Qxh2+ 37. Qxh2 Bxh2 38. Ne6+ Kh7 39. Kxh2 Nd6 40. Rd5 Nf7 41. Kg3 Ne5 42. Kf2 Ng4+ 43. Ke2 Ne5 44. Ke3 Rb7 45. Kxe4 Rb4+ 46. Rd4 Rb2 47. Rd2 Rb4+ 48. Rd4 Rb2 49. Rd2 Rb4+ 50. Kd5 Rxa4 51. Nc5 Rf4 52. Ke6 Kg7 53. Nd7 Ng4 54. Nc5 Ne5 55. Nd7 Ng4 56. Nc5 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.17"]
[Round "7"]
[White "Stefaniuk, Zbigniew"]
[Black "Szydelko, Michal"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1721"]
[BlackElo "1765"]
[PlyCount "103"]
[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 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 Qe7 5. Nd3 Bxc3 6. dxc3 Qxe4+ 7. Be2 0-0 8. 0-0 d5 9. Bf3 Qf5 10. Re1 c6 11. Re5 Qd7 12. Qe2 Qd8 13. Bf4 Nbd7 14. Re7 Ne4 15. Bxe4 dxe4 16. Rxe4 Nf6 17. Bg5 h6 18. Bxf6 Qxf6 19. Re1 Bf5 20. Re7 b6 21. Qe5 Qxe5 22. R1xe5 Be6 23. a3 Rfd8 24. Kf1 Kf8 25. Rc7 c5 26. Ke1 Rd6 27. h3 a6 28. b4 c4 29. Nf4 b5 30. Nxe6+ fxe6 31. Rec5 Rad8 32. Rc8 Rxc8 33. Rxc8+ Kf7 34. Ke2 Kf6 35. Ra8 Kf7 36. Ra7+ Kf6 37. Ke1 Kg6 38. Ke2 Kf6 39. g3 Kg6 40. Ra8 Kf6 41. f3 Kf7 42. Ra7+ Kf6 43. Rc7 Kg6 44. Rc5 Kf6 45. f4 g5 46. Re5 gxf4 47. gxf4 Rd8 48. Rh5 Kg6 49. Re5 Kf6 50. Rh5 Kg6 51. Re5 Kf6 52. Rh5 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.16"]
[Round "6"]
[White "Gorniewicz, Oskar"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1890"]
[BlackElo "1721"]
[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. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nc3 Bg4 6. Be2 e6 7. 0-0 cxd4 8. Nb5 Rc8 9. Nbxd4 Nxd4 10. Qxd4 a6 11. Bg5 Bh5 12. Bxf6 gxf6 13. Qa4+ Qd7 14. Qh4 Bxf3 15. Bxf3 Rxc2 16. Qxf6 Rg8 17. Bh5 Bg7 18. Qf4 Qc7 19. Qg4 Qd7 20. Rac1 Rc6 21. Rxc6 Qxc6 22. e4 dxe4 23. Qf4 Rf8 24. Rc1 Be5 25. Qe3 Qd5 26. Qh6 Qxa2 27. g3 Bd6 28. Rc8+ Kd7 29. Rxf8 Bxf8 30. Qxf8 Qb1+ 31. Kg2 Qxb2 32. Qxf7+ Kd6 33. Bg4 Qb3 34. Qf4+ Kd5 35. Qg5+ Kd6 36. Qd8+ Ke5 37. Qc7+ Kd5 38. Qxh7 Qb2 39. Qd7+ Kc5 40. Qc8+ Kd4 41. Qh8+ e5 42. Qd8+ Kc3 43. Qc7+ Kd4 44. Qd6+ Kc4 45. Be6+ Kb5 46. Qd5+ Kb6 47. Qxe4 Kc7 48. h4 b5 49. h5 Kd6 50. Qd5+ Ke7 51. Qd7+ Kf6 52. Qf7+ Kg5 53. Qg6# 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.15"]
[Round "5"]
[White "Stefaniuk, Zbigniew"]
[Black "Lukasiewicz, Anna"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1721"]
[BlackElo "1839"]
[PlyCount "91"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. dxe5 Bxe5 8. Bg5 c6 9. Bd3 h6 10. Bd2 Qc7 11. h3 0-0 12. 0-0 d6 13. f4 Bd4+ 14. Kh1 b5 15. a3 Be6 16. Qf3 Rae8 17. Rae1 Bc4 18. b3 Bxd3 19. Qxd3 Bb6 20. Bc1 a5 21. Bb2 Qe7 22. e5 dxe5 23. fxe5 Nd7 24. Ne4 Nxe5 25. Bxe5 Qxe5 26. Nf6+ Qxf6 27. Rxe8 Qxf1+ 28. Qxf1 Rxe8 29. g4 Bc5 30. a4 bxa4 31. bxa4 Re4 32. Qf5 Re1+ 33. Kg2 Bf8 34. Qxa5 Re2+ 35. Kf3 Rxc2 36. Qa8 c5 37. a5 c4 38. a6 c3 39. a7 Ra2 40. Ke3 c2 41. Kd2 g6 42. Qb8 Kg7 43. a8Q Bb4+ 44. Kc1 Ba3+ 45. Qxa3 Rxa3 46. Qb2+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.14"]
[Round "4"]
[White "Szefer, Michal"]
[Black "Stefaniuk, Zbigniew"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "1863"]
[BlackElo "1721"]
[PlyCount "60"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. d4 d5 7. b3 a5 8. Nc3 Ne4 9. Bb2 a4 10. Nxa4 dxc4 11. Ne5 Nd6 12. d5 cxd5 13. Bxd5 Bh3 14. Re1 cxb3 15. axb3 Nd7 16. Nxd7 Bxd7 17. Bxg7 Kxg7 18. Nc5 Bc6 19. Bxc6 bxc6 20. Rxa8 Qxa8 21. Qd4+ Kg8 22. Ra1 Qc8 23. Qe5 Qc7 24. Ra6 Rc8 25. Qa1 Nb5 26. e4 Qd6 27. b4 e5 28. Kg2 Rb8 29. Ra8 Rxa8 30. Qxa8+ Kg7 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.13"]
[Round "3"]
[White "Stefaniuk, Zbigniew"]
[Black "Ryszkiewicz, Adam"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1721"]
[BlackElo "1953"]
[PlyCount "53"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. dxe5 Bxe5 8. Bg5 c6 9. Bd3 Qb6 10. Rb1 h6 11. Bd2 0-0 12. 0-0 d5 13. exd5 cxd5 14. h3 Be6 15. Qf3 d4 16. Ne4 Bxa2 17. Qf5 Rfe8 18. Nxf6+ Bxf6 19. Qh7+ Kf8 20. Ra1 Be6 21. Ba5 Qd6 22. Ra4 Rac8 23. Bb4 Rc5 24. Rxa7 g6 25. Rxb7 Bg7 26. Ra1 Bd7 27. Rxd7 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.11"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Terkiewicz, Bruno"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1721"]
[BlackElo "1922"]
[PlyCount "61"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N1c3 a6 8. Na3 g6 9. Be2 Bg7 10. 0-0 Rc8 11. Nd5 Nd4 12. Be3 Bxd5 13. cxd5 Nf6 14. Bxd4 exd4 15. Qa4+ Qd7 16. Qxd7+ Kxd7 17. Nc4 Rc7 18. Nb6+ Kd8 19. Bd3 Re8 20. Rfe1 Ng4 21. Nc4 Kd7 22. Nb6+ Kd8 23. Nc4 Bf8 24. h3 Ne5 25. Nxe5 dxe5 26. Rac1 Bh6 27. Rxc7 Kxc7 28. Re2 Rc8 29. Rc2+ Kd7 30. Rxc8 Kxc8 31. Kf1 1/2-1/2

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "8"]
[White "Adamczyk, Zuzanna"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1959"]
[BlackElo "1721"]
[PlyCount "92"]
[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 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. a3 Be7 7. Bg2 0-0 8. 0-0 b6 9. cxd5 exd5 10. Nc3 Bb7 11. Ne5 Nbd7 12. Bg5 Ne4 13. Bxe7 Qxe7 14. Nxd7 Qxd7 15. Nxe4 dxe4 16. Rc1 Rad8 17. e3 c5 18. dxc5 Qxd1 19. Rfxd1 bxc5 20. Bf1 h6 21. Kg2 Rxd1 22. Rxd1 Bc6 23. Rc1 Rd8 24. Rxc5 Ba4 25. Rxa5 Bc2 26. Rc5 Bd1 27. Rc1 Bf3+ 28. Kg1 Rd2 29. Rb1 Kh7 30. Bg2 Bh5 31. Bxe4+ Bg6 32. Bxg6+ Kxg6 33. Kg2 Kf5 34. b4 Ke4 35. b5 Rd7 36. b6 Rb7 37. a4 Kd5 38. a5 Kc6 39. Rc1+ Kb5 40. Rc7 Rb8 41. Rxf7 Kxa5 42. Rxg7 Rxb6 43. e4 Re6 44. Kf3 Kb4 45. Rc7 Re8 46. Ke3 Re6 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "6"]
[White "Jedrusik, Adam"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1970"]
[BlackElo "1721"]
[PlyCount "117"]
[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 d6 3. Nc3 e5 4. d5 Be7 5. e4 Nbd7 6. Be3 Nc5 7. f3 a5 8. Bd3 Nh5 9. Nge2 Bg5 10. Bf2 Nf4 11. Nxf4 Bxf4 12. Ne2 Qg5 13. Nxf4 exf4 14. Rg1 Nxd3+ 15. Qxd3 0-0 16. 0-0-0 f5 17. Bd4 fxe4 18. fxe4 f3+ 19. Be3 Qf6 20. gxf3 Qxf3 21. Qd4 Qf6 22. Qxf6 Rxf6 23. Bd4 Rf7 24. h4 Bd7 25. Rdf1 Raf8 26. Rxf7 Rxf7 27. Kd2 Bc8 28. Ke3 Bd7 29. a3 Bc8 30. b4 b6 31. bxa5 bxa5 32. Bc3 Ba6 33. Kd4 a4 34. Rb1 Rf3 35. Rb8+ Kf7 36. Ra8 Bb7 37. Ra7 Bc8 38. Rxc7+ Kg6 39. Rxc8 Kh5 40. Rd8 Kxh4 41. Rxd6 g5 42. Rh6+ Kg3 43. Rxh7 g4 44. Bb4 Kg2 45. Ra7 g3 46. Bd6 Kg1 47. Bxg3 Rxg3 48. Rxa4 Kf2 49. c5 Kf3 50. c6 Rg4 51. Ke5 Rg5+ 52. Kd6 Rg8 53. c7 Rf8 54. Kd7 Rf7+ 55. Kc6 Rf8 56. Kb7 Rf7 57. Kb8 Rf8+ 58. c8Q Rxc8+ 59. Kxc8 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "10"]
[White "Korbal, Arkadiusz"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2080"]
[BlackElo "1721"]
[PlyCount "48"]
[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 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. d5 Nh5 9. Ne1 Nf4 10. Nd3 Nxe2+ 11. Qxe2 f5 12. f4 fxe4 13. Nxe4 exf4 14. Nxf4 Ne5 15. h3 Qh4 16. g3 Qe7 17. Bd2 Bf5 18. Rae1 Rae8 19. g4 Bxe4 20. Qxe4 Nc6 21. Ne6 Rxf1+ 22. Rxf1 Nd4 23. Bg5 Qd7 24. Bf6 Nxe6 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "4"]
[White "Pires, Emanuel Joao Robart"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1994"]
[BlackElo "1721"]
[PlyCount "96"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Nxe4 5. d4 exd4 6. Nc3 dxc3 7. Bxf7+ Kxf7 8. Qd5+ Ke8 9. Re1 Ne7 10. Rxe4 d6 11. Bg5 c6 12. Qd4 Bf5 13. Re2 Qd7 14. Bxe7 Bxe7 15. Qxg7 Rf8 16. Rae1 Rf7 17. Qg8+ Rf8 18. Qg5 Rf7 19. Rxe7+ Qxe7 20. Rxe7+ Rxe7 21. Qg8+ Kd7 22. Qxa8 Kc7 23. bxc3 Bxc2 24. Qxa7 Be4 25. Nd4 Bd5 26. Qa5+ Kd7 27. f3 Re1+ 28. Kf2 Ra1 29. a4 Ra2+ 30. Kg3 Ra1 31. Qb6 Kc8 32. a5 Ra2 33. c4 Bxc4 34. Nxc6 bxc6 35. Qxc6+ Kb8 36. Qxd6+ Kb7 37. Qb4+ Ka7 38. Qb6+ Ka8 39. Qc6+ Ka7 40. Qc7+ Ka8 41. Qxc4 Rxa5 42. Qg8+ Ka7 43. Qxh7+ Ka6 44. h4 Kb6 45. h5 Rg5+ 46. Kh3 Ra5 47. h6 Ka6 48. Qg6+ Kb7 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Bartel, Mateusz"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1721"]
[BlackElo "2614"]
[PlyCount "58"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Be7 7. Nf3 0-0 8. 0-0 Bg4 9. c3 Nd7 10. Re1 Nb6 11. Bd3 Bd6 12. h3 Bh5 13. a4 Bc7 14. Qc2 Bxf3 15. Bxh7+ Kh8 16. gxf3 g6 17. Bh6 Kxh7 18. Bxf8 Qxf8 19. Qe4 Qd6 20. Qh4+ Kg7 21. Kf1 Rh8 22. Qg4 f5 23. Qg2 Nd5 24. Rad1 Nf4 25. Qg3 Rxh3 26. Qg1 Qd5 27. Re3 Rxf3 28. Rxf3 Qxf3 29. Re1 Qh3+ 0-1

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "5"]
[White "Stefaniuk, Zbigniew"]
[Black "Fiszer, Bartosz"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1721"]
[BlackElo "2194"]
[PlyCount "51"]
[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. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. d5 f5 12. exf5 Nxf5 13. Ne4 h6 14. Qc2 Na6 15. a3 g4 16. Nfd2 h5 17. h3 Nd4 18. Qd3 h4 19. Bh2 gxh3 20. gxh3 Bf5 21. Rg1 Nc5 22. Qb1 Nxe4 23. Nxe4 Nb3 24. Ra2 Nc5 25. Bd3 Bxe4 26. Bxe4 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2023.07.10"]
[Round "7"]
[White "Stefaniuk, Zbigniew"]
[Black "Wiech, Grzegorz"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1721"]
[BlackElo "2140"]
[PlyCount "31"]
[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. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 g6 6. e4 Nxc3 7. bxc3 Bg7 8. Rb1 0-0 9. Be2 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Na5 13. h4 h5 14. Qh6 f6 15. Qxg6+ Kh8 16. Ng5 1-0

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.07"]
[Round "7"]
[White "Wiech, Grzegorz"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C69"]
[WhiteElo "2194"]
[BlackElo "1588"]
[PlyCount "99"]
[EventDate "2022.12.03"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bd7 10. Be3 b6 11. a4 a5 12. Nc3 0-0-0 13. Bf4 Bc6 14. Rxd8+ Kxd8 15. Rd1+ Kc8 16. Nd2 Ne7 17. Nc4 Ng6 18. Bg3 Be7 19. Ne3 Re8 20. f3 Nf8 21. Nb5 Bxb5 22. axb5 Ne6 23. c3 Kb7 24. Rd7 Kc8 25. Rd5 Kb7 26. Kf2 Rd8 27. Rxd8 Bxd8 28. f4 Kc8 29. h4 Kd7 30. f5 Nf8 31. Kf3 Be7 32. e5 fxe5 33. Bxe5 g6 34. f6 Bd6 35. Bxd6 Kxd6 36. g4 Ke5 37. g5 Ne6 38. Ng2 h6 39. gxh6 Kxf6 40. Nf4 Nf8 41. Nd5+ Kf7 42. Nxc7 Kg8 43. Nd5 Nd7 44. Kf4 Kf7 45. Kg5 Ne5 46. Nxb6 Nf3+ 47. Kf4 Nxh4 48. Nd7 Ng2+ 49. Kg5 Ne3 50. b6 1-0

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.06"]
[Round "6"]
[White "Stefaniuk, Zbigniew"]
[Black "Niezhentsev, Kyrylo"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1588"]
[BlackElo "2052"]
[PlyCount "60"]
[EventDate "2022.12.03"]
[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 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Qxd7 7. Nc3 e5 8. Qd3 Qc6 9. 0-0 Be6 10. Nd5 Rc8 11. c3 Ne7 12. Rd1 Bxd5 13. exd5 Qd7 14. Be3 Ng6 15. Nd2 Be7 16. Nc4 Bd8 17. a4 0-0 18. a5 f5 19. Bb6 Nf4 20. Qf1 Bc7 21. Bxc7 Rxc7 22. Nb6 Qe8 23. Ra4 e4 24. Rc4 Rxc4 25. Nxc4 Qh5 26. f3 Rf6 27. g3 Nh3+ 28. Kh1 Ng5 29. fxe4 fxe4 30. Qg1 Qf3+ 0-1

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.05"]
[Round "5"]
[White "Chmiel, Marcin"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2174"]
[BlackElo "1588"]
[PlyCount "51"]
[EventDate "2022.12.03"]
[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 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 0-0 7. 0-0 c6 8. Qc2 a6 9. Rd1 Qc7 10. h3 b5 11. b4 bxc4 12. Bxc4 d5 13. Bb3 Bxb4 14. Nxd5 Nxd5 15. exd5 Bb7 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. dxc6 Bxc6 19. Bb2 Qb5 20. Rd4 Bd7 21. a4 Qb7 22. Rh4 Rfc8 23. Qxh7+ Kf8 24. Qxg7+ Ke7 25. Qf6+ Ke8 26. Bxf7+ 1-0

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.04"]
[Round "4"]
[White "Podgorski, Maciej"]
[Black "Stefaniuk, Zbigniew"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2034"]
[BlackElo "1588"]
[PlyCount "204"]
[EventDate "2022.12.03"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 0-0 7. Re1 h6 8. b4 Bb6 9. a4 a5 10. b5 Ne7 11. Nbd2 c6 12. Bb3 Ng6 13. h3 Re8 14. Nc4 Bc7 15. d4 exd4 16. Qxd4 d5 17. exd5 Rxe1+ 18. Nxe1 cxd5 19. Ne3 Be5 20. Qd3 Nf4 21. Qc2 Bxc3 22. Bb2 Bxb2 23. Qxb2 Be6 24. Nf3 Rc8 25. Nd4 Qb6 26. Rd1 Qc5 27. Nxe6 fxe6 28. Qe5 Qc7 29. Qxc7 Rxc7 30. h4 Rc3 31. Rb1 Kf8 32. Nd1 Rc5 33. Rb2 Ne4 34. f3 Nc3 35. Ne3 Nce2+ 36. Kh2 Nc1 37. Bd1 Rc3 38. Ng4 Ncd3 39. Rd2 h5 40. Ne3 Nb4 41. Nf1 Rd3 42. Kg3 Rxd2 43. Nxd2 Nfd3 44. Nb3 b6 45. Nd4 Ke7 46. f4 g6 47. Kf3 Kd6 48. g4 hxg4+ 49. Kxg4 Nf2+ 50. Kg5 Nxd1 51. Kxg6 Nd3 52. Ne2 Ne3 53. h5 Nf5 54. Kf6 Kd7 55. Nd4 Nxf4 56. Ke5 Nxh5 57. Nxe6 Ne3 58. Nf8+ Ke8 59. Ng6 Nc4+ 60. Kxd5 Nb2 61. Ne5 Nxa4 62. Nc4 Kd7 63. Ne5+ Kc7 64. Kc4 Ng3 65. Kb3 Nc5+ 66. Ka3 Nge4 67. Nf3 Nc3 68. Nd4 Kd6 69. Kb2 N5a4+ 70. Ka3 Kc5 71. Nc2 Kxb5 72. Nd4+ Kc4 73. Nb3 Nc5 74. Nd2+ Kd3 75. Nf3 Nb5+ 76. Kb2 Nd6 77. Ne5+ Kd4 78. Nc6+ Kc4 79. Ne5+ Kb5 80. Kc3 Nde4+ 81. Kb2 Nf2 82. Ka3 Nfd3 83. Nf3 Kc4 84. Nd2+ Kc3 85. Nb1+ Kc2 86. Ka2 Nb4+ 87. Ka3 Ncd3 88. Nd2 Kxd2 89. Kb3 Nc5+ 90. Ka3 b5 91. Kb2 Nc2 92. Ka2 b4 93. Kb1 a4 94. Kb2 a3+ 95. Kb1 Kc3 96. Kc1 a2 97. Kd1 a1Q+ 98. Ke2 Qe1+ 99. Kf3 Qf1+ 100. Kg3 Ne4+ 101. Kh4 Qf4+ 102. Kh5 Qg5# 0-1

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.04"]
[Round "3"]
[White "Stefaniuk, Zbigniew"]
[Black "Rozycki, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1588"]
[BlackElo "2196"]
[PlyCount "42"]
[EventDate "2022.12.03"]
[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. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 a5 8. Nf3 a4 9. h4 a3 10. bxa3 cxd4 11. cxd4 Qa5+ 12. Kf1 Bxa3 13. g3 Nb4 14. Bb1 Nb6 15. Kg2 Bd7 16. Nf4 Rc8 17. Bxa3 Qxa3 18. Ng5 h6 19. Qh5 g6 20. Bxg6 fxg6 21. Qxg6+ Kd8 1/2-1/2

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.03"]
[Round "2"]
[White "Celinski, Kamil"]
[Black "Stefaniuk, Zbigniew"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1939"]
[BlackElo "1588"]
[PlyCount "76"]
[EventDate "2022.12.03"]
[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. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. Nc3 dxc4 8. a4 Na6 9. Ne5 Be6 10. e3 Nd5 11. Qe2 Nxc3 12. bxc3 Bxe5 13. dxe5 Qa5 14. f4 Qxc3 15. Ra3 Qa5 16. e4 Qc5+ 17. Kh1 f5 18. g4 Rad8 19. gxf5 gxf5 20. Rg3+ Kh8 21. Bb2 Rd3 22. Rxd3 cxd3 23. Qh5 Qc2 24. Ba1 Qe2 25. Qh3 Nc5 26. exf5 Rxf5 27. Bf3 Qe3 28. Qh4 Rxf4 29. Qxe7 Rxf3 30. Qd8+ Kg7 31. Rg1+ Kf7 32. Bd4 Qe4 33. Qg8+ Ke7 34. Bxc5+ Kd7 35. Qg2 Bd5 36. Bxa7 Rf1 37. e6+ Kxe6 38. Qxe4+ Bxe4# 0-1

[Event "Warsaw-ch op"]
[Site "Warsaw"]
[Date "2022.12.03"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Klim, Filip"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1588"]
[BlackElo "2083"]
[PlyCount "106"]
[EventDate "2022.12.03"]
[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 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. e5 dxe5 11. Nxe5 Bc6 12. Nxc6 bxc6 13. Bxf6 Bxf6 14. Qc5 Qc7 15. Rhe1 Be7 16. Nd5 Qf4+ 17. Nxf4 Bxc5 18. Nd3 Bb6 19. f4 0-0-0 20. Kb1 Bc7 21. a3 Rd5 22. Nb4 Rxd1+ 23. Rxd1 Bxf4 24. Rf1 Bxh2 25. Rxf7 g5 26. Nxc6 h5 27. Na7+ Kd8 28. Nc6+ Ke8 29. Re7+ Kf8 30. Rxe6 g4 31. Re4 Rg8 32. Nd4 h4 33. Nf5 Rg5 34. Ne3 h3 35. gxh3 g3 36. Rg4 Re5 37. Ng2 Re2 38. Nh4 Kf7 39. Kc1 Kf6 40. Kd1 Rf2 41. b4 Ke5 42. a4 Rf1+ 43. Ke2 Ra1 44. b5 axb5 45. axb5 Kd5 46. Nf5 Rg1 47. Nxg3 Rxg3 48. Rxg3 Bxg3 49. Kf3 Be5 50. c4+ Kxc4 51. b6 Kd5 52. b7 Ke6 53. Ke4 Bb8 1/2-1/2

[Event "Warsaw Szansa op"]
[Site "Warsaw"]
[Date "2022.09.18"]
[Round "11"]
[White "Stefaniuk, Zbigniew"]
[Black "Lewandowski, Rafal"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1608"]
[BlackElo "2183"]
[PlyCount "61"]
[EventDate "2022.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. 0-0 Nc6 8. Qe2 d6 9. Be3 Nf6 10. N1d2 0-0 11. h3 e5 12. c3 Be6 13. Rad1 b5 14. c4 b4 15. c5 a5 16. Bb5 Nd4 17. Bxd4 exd4 18. Nxd4 Bxc5 19. Nxe6 fxe6 20. Nb3 Qb6 21. Bc4 d5 22. Nxc5 Qxc5 23. exd5 exd5 24. Bxd5+ Nxd5 25. Qe6+ Kh8 26. Qxd5 Qe7 27. Rfe1 Qf6 28. Qd4 Qf7 29. Qd5 Qf6 30. Qd4 Qf7 31. Qd5 1/2-1/2

[Event "Warsaw Szansa op"]
[Site "Warsaw"]
[Date "2022.09.17"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1608"]
[BlackElo "2336"]
[PlyCount "21"]
[EventDate "2022.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Rc8 10. Bd3 Nc6 11. a3 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.10"]
[Round "2"]
[White "Hartman, Aleksander"]
[Black "Stefaniuk, Zbigniew"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1422"]
[BlackElo "1702"]
[PlyCount "81"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 0-0 7. Nbd2 a6 8. a4 Ba7 9. Nf1 h6 10. Ng3 Ne7 11. 0-0 Ng6 12. Be3 Bxe3 13. fxe3 Be6 14. Bxe6 fxe6 15. Qb3 Qd7 16. d4 exd4 17. exd4 b5 18. c4 bxa4 19. Rxa4 Rfb8 20. Rb4 Rxb4 21. Qxb4 a5 22. Qb7 Qc8 23. Qc6 Qa6 24. Qa4 Rb8 25. Qc2 e5 26. dxe5 dxe5 27. Nf5 Qb6+ 28. c5 Qb3 29. Qd2 Qxb2 30. Nxh6+ gxh6 31. Qxh6 Nf4 32. Qg5+ Kh7 33. Nxe5 Rg8 34. Qf5+ Rg6 35. Rf2 Qa1+ 36. Rf1 Qb2 37. Rf2 Qa1+ 38. Rf1 Qb2 39. Rf2 Qc1+ 40. Rf1 Qe3+ 41. Kh1 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2022.07.09"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Dzierzgowska, Jagoda"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "1702"]
[BlackElo "1277"]
[PlyCount "63"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qb6 7. Qe2+ Be7 8. dxc5 Qxc5 9. Nb3 Qd6 10. 0-0 h6 11. Re1 a6 12. Bxc6+ bxc6 13. Be3 Qe6 14. Bc5 Qxe2 15. Rxe2 Be6 16. Nfd4 Kd7 17. Bxe7 Nxe7 18. Nc5+ Kd6 19. Ncxe6 fxe6 20. Rxe6+ Kd7 21. Rae1 Rae8 22. Nb3 Kd8 23. Nc5 a5 24. Nb7+ Kd7 25. Nd6 Ref8 26. Rxe7+ Kxd6 27. R1e6+ Kc5 28. Rxg7 Rb8 29. b3 a4 30. Rgg6 Rb6 31. Rxh6 Rxh6 32. Rxh6 1-0

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2022.07.08"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Warakomski, Tomasz"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "1702"]
[BlackElo "2535"]
[PlyCount "62"]
[EventDate "2022.07.08"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Be2 Be7 9. 0-0 Nc6 10. Be3 0-0 11. Rc1 Rb8 12. Nc3 Bb7 13. Qd2 Nb4 14. Rfd1 Qd7 15. a3 N4d5 16. Bg5 Nxc3 17. Rxc3 Bd5 18. Bxe7 Qxe7 19. Rdc1 Rfd8 20. Ne1 Na4 21. Rg3 Rxb2 22. Qh6 Qf8 23. Bf3 g6 24. Qxf8+ Kxf8 25. Bxd5 exd5 26. h3 Rdb8 27. Kh2 Rb1 28. Rxb1 Rxb1 29. Nc2 Rb2 30. Nb4 c3 31. Nxd5 c2 0-1

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.13"]
[Round "9"]
[White "Lechowski, Witold"]
[Black "Stefaniuk, Zbigniew"]
[Result "0-1"]
[ECO "A54"]
[WhiteElo "1701"]
[BlackElo "1601"]
[PlyCount "119"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. dxe5 dxe5 6. Bg5 c6 7. e3 Be7 8. Bd3 0-0 9. Bf5 Qc7 10. 0-0 Nc5 11. Qc2 g6 12. Bxc8 Raxc8 13. h3 Ne6 14. Bh4 Rcd8 15. Rfd1 Ng7 16. e4 Nfh5 17. Bxe7 Qxe7 18. Ne2 f6 19. Qb3 Ne6 20. Qe3 Qc5 21. Qb3 Qb6 22. Qc2 Nhf4 23. Nxf4 Nxf4 24. b3 Rxd1+ 25. Rxd1 Rd8 26. Rd2 Kf8 27. Qd1 Ke7 28. h4 a5 29. g3 Nh3+ 30. Kg2 Nxf2 31. Qe2 Ng4 32. Rxd8 Qxd8 33. Ne1 Qd1 34. Qxd1 Ne3+ 35. Kf3 Nxd1 36. Nd3 Nc3 37. Nc1 f5 38. exf5 gxf5 39. Ke3 Kd6 40. Kd3 Ne4 41. Ne2 a4 42. b4 b5 43. cxb5 cxb5 44. Ke3 Nxg3 45. Nc3 Kc6 46. Kf3 Ne4 47. Nxe4 fxe4+ 48. Kxe4 Kd6 49. h5 h6 50. Kf5 Kd5 51. Kg6 e4 52. Kxh6 e3 53. Kg7 e2 54. h6 e1Q 55. h7 Kc4 56. h8Q Qa1+ 57. Kh7 Qxh8+ 58. Kxh8 Kxb4 59. Kg7 Ka3 60. Kf6 0-1

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.12"]
[Round "8"]
[White "Marciniak, Leonard"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1738"]
[BlackElo "1601"]
[PlyCount "139"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 Bd6 11. Nd2 Ne7 12. Rfb1 c5 13. Kf1 f6 14. c3 Nc6 15. Nc4 b5 16. Nd2 Nd8 17. a3 a5 18. c4 bxc4 19. Nxc4 Nc6 20. Rc1 Kd7 21. Rc2 g5 22. Rac1 Nd4 23. Bxd4 exd4 24. Ke2 Rhg8 25. b3 Rgb8 26. Rb2 h4 27. Kd1 Ra7 28. Kc2 Raa8 29. Rg1 Rg8 30. Rgb1 Rgb8 31. Re1 Re8 32. Re2 Re7 33. Rb1 Ree8 34. Rg1 Bh2 35. Rge1 Be5 36. Kb2 Re7 37. Ka2 Ree8 38. Rc2 Bd6 39. Nb2 Rab8 40. Na4 Rb5 41. Rec1 Kc6 42. Rc4 Reb8 43. Rxd4 Rxb3 44. Rd5 R8b5 45. Nxc5 Rb2+ 46. Ka1 Rxf2 47. Na4+ Bc5 48. Nxc5 Rbb2 49. Na4+ Rbc2 50. Rxc2+ Rxc2 51. Rxa5 Rh2 52. Rf5 Rxh3 53. Rxf6+ Kb5 54. Nc3+ Kc5 55. Kb2 Rg3 56. d4+ Kxd4 57. Ne2+ Ke3 58. Nxg3 hxg3 59. Rc6 g2 60. Rc1 Kxf3 61. e5 g4 62. e6 Kf2 63. e7 g1Q 64. Rxg1 Kxg1 65. e8Q g3 66. a4 g2 67. Qe1+ Kh2 68. a5 g1Q 69. Qxg1+ Kxg1 70. a6 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.11"]
[Round "7"]
[White "Stefaniuk, Zbigniew"]
[Black "Zielonka, Adam"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1601"]
[BlackElo "1862"]
[PlyCount "82"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 a5 8. Be2 0-0 9. 0-0 a4 10. b4 axb3 11. Qb4 d6 12. Qxb3 Nbd7 13. Bb2 Re8 14. Rfd1 Qe7 15. a4 e5 16. a5 Bxf3 17. Bxf3 e4 18. Be2 bxa5 19. Bc3 Reb8 20. Qc2 c5 21. Rxa5 Rxa5 22. Bxa5 cxd4 23. exd4 e3 24. f3 Nh5 25. Rb1 Rxb1+ 26. Qxb1 Nf4 27. Qb2 Qg5 28. g3 Nxe2+ 29. Qxe2 Qxa5 30. Qxe3 Qa1+ 31. Kg2 Qa2+ 32. Kg1 Qxc4 33. Qe8+ Nf8 34. Qe3 Ne6 35. Kg2 Qxd4 36. Qe2 g6 37. h3 h5 38. h4 Qxh4 39. Qd2 Qd4 40. Qh6 h4 41. gxh4 Qf4 0-1

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.10"]
[Round "6"]
[White "Rog, Bartlomiej"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2075"]
[BlackElo "1601"]
[PlyCount "73"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. d4 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6 11. e3 Nd5 12. Qxc4 Qd7 13. a5 Rad8 14. Nc3 Bb4 15. e4 Nxc3 16. bxc3 Be7 17. Bf4 Rfe8 18. d5 exd5 19. exd5 Na7 20. Qxc7 Nb5 21. Qxd7 Rxd7 22. Bh3 Rdd8 23. c4 Nd6 24. Rfc1 Bf6 25. Rab1 Be5 26. Be3 f5 27. Bf1 Rd7 28. c5 Ne4 29. c6 bxc6 30. dxc6 Rde7 31. Bxa6 Nc3 32. Rb3 Ne4 33. Rb7 Bc7 34. Bb6 Bxb6 35. axb6 Rxb7 36. cxb7 Nd6 37. Rc8 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.09"]
[Round "5"]
[White "Stefaniuk, Zbigniew"]
[Black "Kocierz, Pawel"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1601"]
[BlackElo "1774"]
[PlyCount "45"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8. Qxe5 Nf6 9. Bh6 Rg8 10. Bg5 Kf8 11. Nc3 Ng4 12. Qxe7+ Qxe7 13. Bxe7+ Kxe7 14. Nd5+ Kd8 15. Rd1 Bd7 16. h3 Ne5 17. Nf6 Rh8 18. f4 Nxc4 19. Rxd7+ Kc8 20. b3 Nd6 21. e5 Ne4 22. Rxf7 Nxf6 23. exf6 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.08"]
[Round "4"]
[White "Budzisz, Adrian"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1985"]
[BlackElo "1601"]
[PlyCount "139"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. Nf3 Nbd7 8. 0-0-0 Kc7 9. g3 Ng4 10. h3 Nxf2 11. Rxd7+ Bxd7 12. Rh2 Bc5 13. Bd2 f6 14. e3 e4 15. Nd4 Nd3+ 16. Kc2 Rhe8 17. a3 Ne5 18. Rf2 Nd3 19. Rh2 Ne5 20. Rf2 Nd3 21. Re2 Bd6 22. g4 Ne5 23. Rf2 Rad8 24. b4 a5 25. c5 Bf8 26. Na4 axb4 27. axb4 Ra8 28. Kb3 Be6+ 29. Nxe6+ Rxe6 30. Bc3 Rd8 31. Be2 Nd3 32. Rf1 Ne5 33. Be1 g6 34. Nb6 Bh6 35. Bg3 Bg7 36. Kc2 Bh8 37. Rf4 Bg7 38. Rxe4 Bh8 39. Rd4 Bg7 40. h4 Bh6 41. g5 fxg5 42. Bg4 Re7 43. Nc4 Bg7 44. hxg5 Ra8 45. Re4 Ra2+ 46. Kc3 Rg2 47. Bxe5+ Bxe5+ 48. Rxe5 Rxe5 49. Nxe5 Rg1 50. Kd4 Rb1 51. Be6 Rxb4+ 52. Nc4 Kd8 53. Ke5 Ke7 54. Nd6 Rb1 55. e4 Rg1 56. Nc8+ Kf8 57. Bd7 Rxg5+ 58. Kd6 h5 59. e5 Kg7 60. Nb6 h4 61. Bc8 Rh5 62. Bxb7 h3 63. Bxc6 h2 64. e6 h1Q 65. Bxh1 Rxh1 66. c6 Kf8 67. c7 Rd1+ 68. Nd5 Rc1 69. e7+ Kf7 70. Kd7 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.07"]
[Round "3"]
[White "Sowinski, Pawel"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2075"]
[BlackElo "1601"]
[PlyCount "77"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. Nc3 Nge7 7. d3 0-0 8. e4 d5 9. cxd5 exd5 10. Bf4 h6 11. Rc1 dxe4 12. dxe4 Nd4 13. Nxd4 cxd4 14. Nd5 Nxd5 15. exd5 Qb6 16. Qd2 Kh7 17. Rfe1 Bf5 18. Re7 Bf6 19. Ree1 Bg7 20. h3 Rac8 21. g4 Bd7 22. Rxc8 Rxc8 23. Re7 Qd8 24. d6 Be6 25. Rxb7 Bxa2 26. Be4 Be6 27. Re7 Bf8 28. Rxa7 Bxd6 29. Bxg6+ Kxg6 30. Qd3+ Kg7 31. Qxd4+ Kg8 32. Bxd6 Rc6 33. Be5 Qxd4 34. Bxd4 Bd5 35. Ra8+ Kh7 36. Rh8+ Kg6 37. Rg8+ Kh7 38. Rg7+ Kh8 39. Rg5+ 1-0

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.06"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Kazmierowski, Tymon"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1601"]
[BlackElo "2077"]
[PlyCount "94"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bh6 7. f4 e5 8. Nb5 Bxf4 9. Qxd6 Qxd6 10. Nxd6+ Kf8 11. Ba3 Nge7 12. Bc4 Nd4 13. Bd3 Kg7 14. c3 Ne6 15. Ne2 Nc6 16. 0-0 Be3+ 17. Kh1 f6 18. Bc4 Nf4 19. Nxf4 exf4 20. Nxc8 Raxc8 21. Rad1 Ne5 22. Bd6 Nxc4 23. bxc4 Rxc4 24. Bxf4 Bxf4 25. Rxf4 Rf8 26. Rd3 Rf7 27. g3 g5 28. Rf5 Rxe4 29. Rfd5 Re1+ 30. Kg2 Re2+ 31. Kh3 Rxa2 32. Rd7 Rb2 33. c4 Rxd7 34. Rxd7+ Kg6 35. g4 h5 36. gxh5+ Kxh5 37. Rh7+ Kg6 38. Re7 f5 39. c5 g4+ 40. Kg3 Rb3+ 41. Kg2 Kg5 42. c6 bxc6 43. Rxa7 Rb2+ 44. Kg1 c5 45. Rc7 Rc2 46. Rc6 Kf4 47. Rc8 Kf3 0-1

[Event "POL-ch U20"]
[Site "Pokrzywna"]
[Date "2021.12.06"]
[Round "2"]
[White "Stefaniuk, Zbigniew"]
[Black "Paprocki, Antoni"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1601"]
[BlackElo "1889"]
[PlyCount "111"]
[EventDate "2021.12.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Bc5 9. Nb3 Nc6 10. Nxc5 bxc5 11. Be3 Qe7 12. Rd1 a6 13. Be2 0-0 14. 0-0 d6 15. f3 Rfd8 16. Bf2 Rab8 17. Rfe1 Ba8 18. Bf1 Nd4 19. Qd2 e5 20. Bxd4 cxd4 21. Nd5 Bxd5 22. cxd5 Qa7 23. Rc1 a5 24. Rc6 Rb3 25. Rec1 h6 26. Kh1 Qb8 27. R1c2 Nd7 28. Qxa5 Nc5 29. h3 d3 30. Rd2 Rd7 31. Kh2 Kh7 32. Rd1 Ra7 33. Qe1 Rxb2 34. Bxd3 Rxa3 35. Qf1 Raa2 36. Bc4 Rxg2+ 37. Qxg2 Rxg2+ 38. Kxg2 Qb2+ 39. Kf1 Qh2 40. Rxc5 Qxh3+ 41. Ke2 Qg2+ 42. Ke3 Qc2 43. Rd3 Qc1+ 44. Ke2 dxc5 45. d6 Qxc4 46. d7 Qc2+ 47. Rd2 Qc4+ 48. Kf2 Qc1 49. d8Q Qh1 50. Qd7 Qh2+ 51. Ke3 Qf4+ 52. Ke2 Qh2+ 53. Kd3 Qg1 54. Qf5+ Kg8 55. Kc2 Qg6 56. Qxg6 1-0

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.21"]
[Round "8"]
[White "Stefaniuk, Zbigniew"]
[Black "Krawiec, Grzegorz"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1506"]
[BlackElo "1836"]
[PlyCount "60"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d6 5. a3 Bxd2+ 6. Bxd2 Nbd7 7. Bg5 0-0 8. e3 Qe7 9. Be2 e5 10. 0-0 Re8 11. b4 exd4 12. Nxd4 a6 13. Bf3 Ne5 14. Rc1 Rb8 15. Qe2 h6 16. Bxf6 Qxf6 17. Rfd1 Nxf3+ 18. Qxf3 Qxf3 19. Nxf3 Bg4 20. Rd4 Bxf3 21. gxf3 Kf8 22. c5 dxc5 23. Rxc5 c6 24. Rc3 Rbd8 25. Rcd3 Rxd4 26. Rxd4 Ke7 27. Kf1 Rd8 28. Re4+ Kd6 29. Ke2 Kc7 30. Re7+ Rd7 1/2-1/2

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.19"]
[Round "6"]
[White "Bednarczyk, Mateusz"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1618"]
[BlackElo "1506"]
[PlyCount "75"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. Be2 Be7 9. 0-0 0-0 10. a4 Be6 11. h3 Nbd7 12. Nd2 Rac8 13. Rc1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. c4 Bc6 17. Re1 f5 18. Nf3 Nc5 19. b4 Rfd8 20. Qc2 Be4 21. Qa2 Nd3 22. Bxd3 Rxd3 23. Bb6 Qb8 24. Nd2 Bxb4 25. Nxe4 Bxe1 26. c5+ Kh8 27. Ng5 Bxf2+ 28. Kxf2 h6 29. Nf7+ Kh7 30. Qe6 e4 31. Qxf5+ g6 32. Qxe4 Qg3+ 33. Kg1 Rf8 34. Qe7 Qe3+ 35. Qxe3 Rxe3 36. c6 Rb3 37. c7 Rxb6 38. Nd8 1-0

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.18"]
[Round "5"]
[White "Stefaniuk, Zbigniew"]
[Black "Rozanski, Mateusz"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1506"]
[BlackElo "1639"]
[PlyCount "102"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. f4 Bxc3+ 8. bxc3 Qe7 9. Qd4 Qf6 10. Be3 d6 11. Rb1 c5 12. Bb5+ Kf8 13. Qxf6 Nxf6 14. e5 Nd5 15. Bd2 dxe5 16. fxe5 Be6 17. c4 Nb6 18. Ba5 Ke7 19. Kf2 h5 20. Rhd1 Rhf8 21. Ke3 f6 22. exf6+ Rxf6 23. Bxb6 axb6 24. a4 g5 25. Rf1 Rd8 26. Rxf6 Kxf6 27. Rf1+ Ke5 28. Re1 Rd4 29. Kf3+ Kf5 30. Rb1 Bxc4 31. Bxc4 Rxc4 32. Rxb6 Rc3+ 33. Kf2 Rxc2+ 34. Kf1 c4 35. Rxb7 Ke4 36. Rb5 Ra2 37. Rxg5 c3 38. Rxh5 c2 39. Rc5 Ra1+ 40. Kf2 c1Q 41. Rxc1 Rxc1 42. Kg3 Kf5 43. a5 Ra1 44. h3 Rxa5 45. Kh4 Ra3 46. Kh5 Rg3 47. h4 Rxg2 48. Kh6 Kf6 49. Kh5 Rg8 50. Kh6 Rg2 51. h5 Rh2 0-1

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.17"]
[Round "4"]
[White "Wziatek, Marek"]
[Black "Stefaniuk, Zbigniew"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "1647"]
[BlackElo "1506"]
[PlyCount "68"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 c5 8. Nf3 h6 9. Be2 cxd4 10. cxd4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 0-0 13. 0-0 Nc6 14. Rab1 Rd8 15. Rfd1 Nxd4 16. Nxd4 e5 17. Qa5 exd4 18. Rb3 b6 19. Qa3 Bb7 20. Bf3 Bxf3 21. Rxf3 Qe6 22. Qd3 Rac8 23. Rc1 Rc5 24. Rf4 Re5 25. g3 Re1+ 26. Rxe1 Qxe1+ 27. Kg2 Qe5 28. Re4 Qc5 29. h4 a6 30. g4 b5 31. cxb5 axb5 32. Qe2 Qc6 33. f3 d3 34. Qe3 Qxe4 0-1

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.16"]
[Round "3"]
[White "Stefaniuk, Zbigniew"]
[Black "Ziemski, Przemyslaw"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "1506"]
[BlackElo "1681"]
[PlyCount "158"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 d6 6. Re1 0-0 7. d4 Nxd4 8. Nxd4 exd4 9. Qxd4 Bc5 10. Qd3 Ng4 11. Re2 Qh4 12. Qg3 Qxg3 13. hxg3 f5 14. Bg5 c6 15. Bc4+ Kh8 16. Rd1 Nf6 17. Be3 Bxe3 18. Rxe3 b5 19. Bb3 b4 20. Ne2 Ng4 21. Rf3 Ba6 22. c4 bxc3 23. Nxc3 fxe4 24. Nxe4 d5 25. Nc3 Rxf3 26. gxf3 Ne5 27. f4 Nd3 28. Na4 Re8 29. Bc2 Nxf2 30. Kxf2 Re2+ 31. Kf3 Rxc2 32. Re1 h6 33. Re8+ Kh7 34. Ra8 Bb5 35. Rxa7 d4 36. f5 Kg8 37. Ke4 d3 38. Nc3 Re2+ 39. Kf3 Rxb2 40. Nxb5 Rxb5 41. Rd7 Rxf5+ 42. Ke4 Ra5 43. Rxd3 Rxa2 44. Rd7 Rc2 45. Rc7 Kh7 46. Kf4 Kg6 47. Ke4 h5 48. Kf4 Kf6 49. Ke4 g6 50. Kf4 g5+ 51. Ke4 Rc4+ 52. Kd3 Rc1 53. Ke4 Re1+ 54. Kf3 Re6 55. Rh7 Kg6 56. Rh8 g4+ 57. Kf4 Rf6+ 58. Ke5 Rf3 59. Rg8+ Kf7 60. Rh8 Rxg3 61. Rxh5 Kg6 62. Rh8 Kg5 63. Rg8+ Kh6 64. Kf4 Rg1 65. Rxg4 Rxg4+ 66. Kxg4 Kg6 67. Kf4 Kf6 68. Ke4 Ke6 69. Kd4 Kd6 70. Kc4 c5 71. Kc3 Kd5 72. Kd3 c4+ 73. Kc3 Kc5 74. Kc2 Kb4 75. Kb2 c3+ 76. Kc2 Kc4 77. Kc1 Kd3 78. Kd1 c2+ 79. Kc1 Kc3 1/2-1/2

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.15"]
[Round "2"]
[White "Maliszewski, Jacek"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1762"]
[BlackElo "1506"]
[PlyCount "129"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c3 Bf5 4. Nh4 Bc8 5. e3 e6 6. Nf3 c5 7. Bd3 Nc6 8. Nbd2 Be7 9. 0-0 0-0 10. Re1 b6 11. dxc5 bxc5 12. e4 Qc7 13. Qe2 h6 14. e5 Nd7 15. Nf1 f5 16. exf6 Nxf6 17. c4 Bd6 18. Ng3 Ng4 19. Nf1 Nge5 20. Nxe5 Nxe5 21. b3 Nxd3 22. Qxd3 Be5 23. Rb1 Qf7 24. Bxh6 Qxf2+ 25. Kh1 Bd4 26. Be3 Bxe3 27. Rxe3 d4 28. Rh3 Qf5 29. Re1 Bb7 30. Qxf5 Rxf5 31. Kg1 Raf8 32. Ng3 Rf2 33. Re2 Bxg2 34. Rxf2 Bxh3 35. Rxf8+ Kxf8 36. Ne4 d3 37. Kf2 Bg4 38. Ke3 Bf5 39. Nxc5 Ke7 40. Nxd3 Kd6 41. b4 e5 42. h4 Be6 43. Nb2 Bf7 44. a3 Bg8 45. Kf3 Be6 46. Ke3 Bg8 47. Kd3 Bf7 48. c5+ Kd5 49. Nd1 Bg6+ 50. Kc3 Ke4 51. c6 Kf3 52. c7 Bf5 53. Kc4 e4 54. Kd4 Bc8 55. Ne3 Kf4 56. a4 Kf3 57. b5 Kf4 58. a5 a6 59. b6 Kf3 60. Nc4 Kf4 61. Ne3 Kf3 62. Nd5 Bb7 63. Kc5 Kf2 64. Kd6 Bc8 65. Kc6 1-0

[Event "Rubinstein Memorial op-D 57th"]
[Site "Polanica Zdroj"]
[Date "2021.08.14"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Kocierz, Pawel"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1506"]
[BlackElo "1821"]
[PlyCount "81"]
[EventDate "2021.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Be2 c5 9. Rb1 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Nd4 13. Nxd4 cxd4 14. Qxd4 Qa5+ 15. Qd2 Qa4 16. Rb4 Qa5 17. Rb1 Qxd2+ 18. Kxd2 e6 19. Bc4 b6 20. Ke3 Bd7 21. Rhd1 Rac8 22. Rbc1 exd5 23. Bxd5 Rxc1 24. Rxc1 Rc8 25. Rxc8+ Bxc8 26. Kd4 Kf8 27. Kc4 Ba6+ 28. Kb4 Ke7 29. Bc4 Bxc4 30. Kxc4 a6 31. Kd5 Kd7 32. f4 h6 33. g4 g5 34. f5 Kc7 35. e5 Kd7 36. h3 Kc7 37. e6 f6 38. a4 a5 39. Ke4 Kc6 40. Kd3 Kd6 41. Kd4 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.16"]
[Round "7"]
[White "Stefaniuk, Zbigniew"]
[Black "Kania, Tomasz"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1525"]
[PlyCount "28"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nge2 b6 11. Be3 Nb4 12. Rd1 Nd3+ 13. Rxd3 Rxd3 14. Kf2 e5 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.13"]
[Round "5"]
[White "Stefaniuk, Zbigniew"]
[Black "Obrycki, Tomasz"]
[Result "1/2-1/2"]
[ECO "E86"]
[WhiteElo "1525"]
[BlackElo "1404"]
[PlyCount "60"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Nge2 Qc7 8. Qd2 e5 9. 0-0-0 Nbd7 10. Kb1 Ne8 11. h4 Nb6 12. Ng3 f5 13. exf5 gxf5 14. f4 e4 15. h5 h6 16. d5 c5 17. Be2 Bd7 18. Qc2 Nc8 19. Bc1 a6 20. b3 Rb8 21. Bb2 b5 22. Rc1 Qb7 23. Nf1 bxc4 24. Bxc4 Nb6 25. Be2 Kh8 26. Ne3 Nf6 27. Rcd1 Nc8 28. Rc1 a5 29. Ka1 Ne7 30. Rcd1 Rfe8 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.12"]
[Round "4"]
[White "Kalus, Franciszek"]
[Black "Stefaniuk, Zbigniew"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "1258"]
[BlackElo "1525"]
[PlyCount "52"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 Be7 6. Be2 0-0 7. 0-0 Re8 8. h3 Bf8 9. d5 Nc5 10. Qc2 a5 11. Be3 Nh5 12. Bxc5 dxc5 13. Nxe5 Rxe5 14. f4 Nxf4 15. Rxf4 Qg5 16. Rf3 Ra6 17. Qc1 Rg6 18. Qxg5 Rexg5 19. Bf1 Bd6 20. Re1 Be5 21. b3 Rg3 22. Rxg3 Rxg3 23. Ne2 Re3 24. Kf2 Rxe4 25. g4 Bf6 26. Ng3 Bd4+ 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.12"]
[Round "3"]
[White "Stefaniuk, Zbigniew"]
[Black "Frankowski, Maciej"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1525"]
[BlackElo "1266"]
[PlyCount "71"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Nd2 Qe7 10. Nc4 Nf6 11. Nxe5 Qxe5 12. Bf4 Qe7 13. Rad1 0-0 14. Bg5 Qxe4 15. Qxe4 Nxe4 16. Bf4 Nf6 17. Bxc7 Nd5 18. Bg3 Rfe8 19. c4 Nf6 20. Rfe1 Rad8 21. Kf1 h6 22. Rxd8 Rxd8 23. Re7 b5 24. c5 Rd1+ 25. Ke2 Rc1 26. Bd6 Nd5 27. Ra7 Rc2+ 28. Kf3 Rxb2 29. Rxa6 b4 30. Rxc6 Rxa2 31. Rc8+ Kh7 32. c6 f5 33. c7 Rc2 34. Rb8 Nxc7 35. Bxc7 Rxc7 36. Rxb4 1/2-1/2

[Event "Warsaw Maciei Memorial"]
[Site "Warsaw"]
[Date "2021.07.09"]
[Round "1"]
[White "Stefaniuk, Zbigniew"]
[Black "Chatalbashev, Boris"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1525"]
[BlackElo "2535"]
[PlyCount "114"]
[EventDate "2021.07.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 Nf6 7. Ndb5 Qb8 8. Qg3 d6 9. Be3 a6 10. Nd4 Bd7 11. f3 b5 12. 0-0-0 Nxd4 13. Bxd4 b4 14. Nb1 e5 15. Be3 Be6 16. Nd2 Qc7 17. Kb1 Be7 18. h4 h5 19. Bd3 g6 20. Bg5 0-0 21. f4 exf4 22. Qxf4 Ng4 23. Bxe7 Qxe7 24. Nc4 Rfd8 25. Rhf1 a5 26. Be2 Ne5 27. Nxe5 dxe5 28. Qg5 Qxg5 29. hxg5 Kf8 30. Rxd8+ Rxd8 31. Rd1 Rxd1+ 32. Bxd1 f6 33. gxf6 Kf7 34. a3 bxa3 35. bxa3 h4 36. Kb2 g5 37. Kc3 g4 38. Kd3 Kxf6 39. c4 h3 40. gxh3 gxh3 41. c5 Ke7 42. Ke3 Kd7 43. Ba4+ Kc7 44. Kf2 Bd7 45. Bc2 Kc6 46. Ba4+ Kc7 47. Bc2 Bb5 48. Kg3 Bf1 49. Ba4 Bg2 50. Bb5 Kb7 51. Be8 Ka6 52. Bc6 Bf1 53. Kh2 Ka7 54. Kg3 Kb8 55. Bd7 Kc7 56. Bxh3 Bd3 57. Bf5 Kc6 1/2-1/2

[Event "Rubinstein Memorial-D 54th"]
[Site "Polanica Zdroj"]
[Date "2018.08.24"]
[Round "7"]
[White "Zaborski, Igor"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1320"]
[BlackElo "1173"]
[PlyCount "73"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. Bg5 h6 6. Bh4 0-0 7. a3 Bxc3+ 8. bxc3 c6 9. Nh3 Qa5 10. Qd2 Nbd7 11. Nf2 Re8 12. g4 g5 13. Bg3 Nh7 14. h4 f6 15. hxg5 hxg5 16. e4 Kg7 17. Bd3 Rh8 18. Ke2 Qd8 19. e5 fxe5 20. dxe5 Ndf8 21. Rh5 Bd7 22. Rah1 Be8 23. R5h2 dxc4 24. Bxc4 Qxd2+ 25. Kxd2 Bg6 26. Bd3 Rd8 27. Ke2 Bxd3+ 28. Nxd3 b6 29. Bf2 Ng6 30. c4 c5 31. Be3 Rdf8 32. a4 a5 33. Rh5 Nf4+ 34. Bxf4 gxf4 35. Nf2 Rf7 36. Ne4 Re7 37. Nf6 1-0

[Event "Rubinstein Memorial-D 54th"]
[Site "Polanica Zdroj"]
[Date "2018.08.22"]
[Round "5"]
[White "Mrozek, Zofia"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1268"]
[BlackElo "1173"]
[PlyCount "35"]
[EventDate "2018.08.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 0-0 10. g4 b5 11. 0-0-0 Nbd7 12. h4 Qc7 13. h5 Rac8 14. g5 Ne8 15. g6 fxg6 16. hxg6 b4 17. Nd5 Bxd5 18. Qxd5+ 1-0

[Event "Rubinstein Memorial-D 54th"]
[Site "Polanica Zdroj"]
[Date "2018.08.19"]
[Round "2"]
[White "Stefaniuk, Zbigniew"]
[Black "Kolarz, Maciej"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1173"]
[BlackElo "1378"]
[PlyCount "130"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 a5 6. Be3 Nc5 7. Bd3 Bg4 8. f3 Bd7 9. Bc2 b6 10. Nge2 Be7 11. 0-0 0-0 12. Ng3 Ne8 13. Nf5 Bg5 14. Bxg5 Qxg5 15. Qc1 Qf4 16. Qxf4 exf4 17. Ne2 g5 18. Ned4 f6 19. Nh6+ Kg7 20. Nhf5+ Kf7 21. Nh6+ Kg6 22. Nhf5 Ng7 23. Ne7+ Kf7 24. Nef5 h5 25. Nh6+ Kg6 26. Nhf5 h4 27. Nxg7 Kxg7 28. h3 Rae8 29. Rae1 Re5 30. Nf5+ Kf7 31. Nh6+ Kg6 32. Nf5 Rfe8 33. Nd4 Kf7 34. Kf2 Na6 35. Bb1 Nc5 36. Bc2 Nb7 37. Bb1 Nd8 38. Bc2 Kf8 39. Bd1 Nf7 40. Bc2 Nh6 41. Bb1 Kf7 42. Bc2 Kg6 43. Bb1 f5 44. exf5+ Nxf5 45. Bxf5+ Bxf5 46. Nxf5 Kxf5 47. Rxe5+ Rxe5 48. Rd1 Re3 49. Rd2 Ke5 50. Rd1 a4 51. Rd2 a3 52. b3 Rc3 53. Ke2 b5 54. cxb5 Rc5 55. b4 Rxb5 56. Rd3 Rxb4 57. Rxa3 Kxd5 58. Ra5+ c5 59. a4 Kd4 60. Ra6 d5 61. a5 Rb2+ 62. Kf1 c4 63. Rc6 Ra2 64. a6 c3 65. Kg1 Kd3 0-1

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.18"]
[Round "7.12"]
[White "Stefaniuk, Zbigniew"]
[Black "Bartczak, Hanna"]
[Result "0-1"]
[ECO "E77"]
[WhiteElo "1120"]
[BlackElo "1374"]
[PlyCount "46"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 0-0 6. Be2 c5 7. d5 Nbd7 8. Be3 a6 9. Nf3 Qa5 10. Qd2 Ng4 11. Bg1 Rb8 12. h3 Ngf6 13. g4 b5 14. cxb5 axb5 15. Bd3 c4 16. Bc2 b4 17. Ne2 Nc5 18. Bxc5 Qxc5 19. Ng3 Ra8 20. g5 Nd7 21. Bb1 c3 22. Qc1 cxb2 23. Qxc5 Nxc5 0-1

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.04"]
[Round "5.16"]
[White "Potkanski, Grzegorz"]
[Black "Stefaniuk, Zbigniew"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1161"]
[BlackElo "1120"]
[PlyCount "57"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Nc6 9. Bc4 0-0 10. 0-0 Bg4 11. e5 cxd4 12. cxd4 e6 13. h3 Bxf3 14. gxf3 Qh4 15. Kh2 Rad8 16. f4 Nxd4 17. Rg1 Nf5 18. Qg4 Qxg4 19. hxg4 Nxe3 20. fxe3 Rd2+ 21. Kg3 Rfd8 22. Rg2 Rxg2+ 23. Kxg2 Rd2+ 24. Kf3 Rc2 25. Bb3 Rc3 26. Rd1 Bf8 27. Ke4 Bc5 28. Rd3 Rxd3 29. Kxd3 1/2-1/2

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.08"]
[Round "3.12"]
[White "Kolinski, Dariusz"]
[Black "Stefaniuk, Zbigniew"]
[Result "1-0"]
[ECO "C67"]
[PlyCount "59"]
[EventDate "2016.12.11"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Bxc6 dxc6 6. Re1 Bf5 7. Nxe5 Qd5 8. Nf3 0-0-0 9. d3 Bb4 10. c3 Bc5 11. d4 h6 12. Nbd2 Nxd2 13. Bxd2 Bd6 14. b3 Bg4 15. c4 Qh5 16. h3 Bxf3 17. Qxf3 Qg6 18. c5 Bxc5 19. dxc5 Rxd2 20. Re7 f6 21. Rd1 Rxa2 22. Rdd7 Qb1+ 23. Kh2 Qxb3 24. Rxc7+ Kb8 25. Qxb3 b6 26. Rb7+ Ka8 27. Qxa2 a5 28. Ra7+ Kb8 29. Qe6 Rc8 30. Reb7# 1-0

