[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.30"]
[Round "5"]
[White "Kubik, Zbigniew"]
[Black "Stefanski, Piotr"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1832"]
[BlackElo "1651"]
[PlyCount "57"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 d6 6. h3 Be7 7. Be3 g5 8. Nh2 Na5 9. Nd2 Nxc4 10. Nxc4 Be6 11. b3 Qd7 12. d4 exd4 13. Bxd4 0-0-0 14. Qf3 d5 15. Bxf6 dxe4 16. Qc3 Rhg8 17. Bxe7 Qxe7 18. Qe3 Kb8 19. Qxe4 f5 20. Qe2 g4 21. hxg4 fxg4 22. Rae1 g3 23. Nf3 Rde8 24. fxg3 Qc5+ 25. Qf2 Qxf2+ 26. Kxf2 Bxc4 27. bxc4 Ref8 28. Rh1 Rg6 29. Re4 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.30"]
[Round "4"]
[White "Stefanski, Piotr"]
[Black "Czyzykiewicz, Rafal"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1651"]
[BlackElo "1756"]
[PlyCount "70"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. g4 d5 2. h3 e5 3. e3 Nc6 4. Bg2 Nf6 5. Ne2 Be6 6. Ng3 Qd7 7. d3 0-0-0 8. a3 Bd6 9. Nc3 Kb8 10. e4 Be7 11. g5 Nxe4 12. dxe4 d4 13. Nd5 Bd6 14. Qd3 Ka8 15. Bd2 Nb8 16. 0-0-0 c6 17. f4 exf4 18. Nxf4 Be5 19. Nge2 c5 20. Nxe6 Qxe6 21. b3 b5 22. Nf4 Qa6 23. Nd5 c4 24. Qf3 Qxa3+ 25. Kb1 d3 26. c3 Qxb3+ 27. Ka1 f6 28. Nc7+ Kb7 29. Nxb5 Ka6 30. Qf5 Qa4+ 31. Kb1 Qxb5+ 32. Ka1 Qa4+ 33. Kb1 Qb3+ 34. Ka1 Nc6 35. Bc1 Bxc3+ 0-1

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.28"]
[Round "2"]
[White "Kovacs, Patrik Zsolt"]
[Black "Stefanski, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1856"]
[BlackElo "1651"]
[PlyCount "43"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 f6 5. e3 Bb4+ 6. Nc3 d6 7. exd6 c6 8. h3 g5 9. Bg3 Nh6 10. a3 Bxc3+ 11. bxc3 Bf5 12. Nf3 Qa5 13. Qd4 Nd7 14. Nxg5 c5 15. Qd2 fxg5 16. Be2 0-0-0 17. 0-0 Nf6 18. Bf3 Be4 19. Be5 g4 20. hxg4 Nfxg4 21. Bxe4 Nxe5 22. Qd5 1-0

[Event "Krakow op-B 28th"]
[Site "Krakow"]
[Date "2017.12.27"]
[Round "1"]
[White "Stefanski, Piotr"]
[Black "Olechnicka, Karolina"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1651"]
[BlackElo "1908"]
[PlyCount "84"]
[EventDate "2017.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 cxd4 7. Nxd4 Bxg2 8. Kxg2 Qc7 9. b3 Be7 10. Ba3 Bxa3 11. Nxa3 0-0 12. e3 d5 13. Qf3 Qc5 14. Nab5 Ne4 15. Rfd1 a6 16. cxd5 Ng5 17. Qg4 Qxd5+ 18. e4 Qxe4+ 19. Qxe4 Nxe4 20. f3 Nf6 21. Nd6 Rd8 22. Rac1 g6 23. Nc4 Nd5 24. Kf2 a5 25. Ne5 a4 26. Ndc6 Nxc6 27. Nxc6 Rd7 28. Ne5 Rda7 29. Nc6 Rc7 30. b4 b5 31. Nd4 Nc3 32. Re1 Rac8 33. Rc2 Rc4 34. Rec1 e5 35. Nxb5 Ne4+ 36. Ke3 Rxc2 37. Rxc2 Rxc2 38. Kxe4 Rxa2 39. Nc3 Rb2 40. b5 a3 41. Kxe5 Rxb5+ 42. Kd4 Rb2 0-1

[Event "Krakow Europejski op"]
[Site "Krakow"]
[Date "2016.05.07"]
[Round "8"]
[White "Stefanski, Piotr"]
[Black "Wieczorek, Jakub"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1678"]
[BlackElo "1785"]
[PlyCount "103"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. f4 c6 4. Nf3 d5 5. e5 h5 6. Bd3 Nh6 7. Nh4 Bg4 8. Qd2 Bf8 9. h3 Bf5 10. Nxf5 Nxf5 11. e6 fxe6 12. 0-0 Bg7 13. c3 Qb6 14. Bc2 h4 15. Re1 c5 16. dxc5 Qxc5+ 17. Qf2 Qxf2+ 18. Kxf2 Kf7 19. Nd2 Nd7 20. Nf3 Bf6 21. Bd2 Rac8 22. Rac1 a6 23. Bb3 Nc5 24. Bc2 Nd6 25. Be3 Nce4+ 26. Kg1 Kg7 27. Ne5 g5 28. Ng4 Rhf8 29. fxg5 Bxg5 30. Bxg5 Nxg5 31. Re5 Ndf7 32. Re2 Nh6 33. Re5 Nf5 34. Rce1 d4 35. Rf1 dxc3 36. bxc3 Nf7 37. Rxe6 N7d6 38. Re5 e6 39. Rxe6 Rxc3 40. Be4 Nxe4 41. Rxe4 Rc4 42. Re5 Kg6 43. Re6+ Kg5 44. Ne3 Nxe3 45. Rxf8 Rc1+ 46. Kh2 Nf1+ 47. Rxf1 Rxf1 48. Rb6 Rf2 49. Rxb7 Rxa2 50. Ra7 Ra1 51. Rc7 a5 52. Rc5+ 0-1

[Event "Krakow Europejski op"]
[Site "Krakow"]
[Date "2016.05.03"]
[Round "3"]
[White "Stefanski, Piotr"]
[Black "Chowaniec, Artur"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1678"]
[BlackElo "1603"]
[PlyCount "80"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 e6 5. c4 Bd6 6. c5 Bc7 7. 0-0 Nbd7 8. b4 e5 9. Bb2 exd4 10. Nxd4 0-0 11. Nd2 Re8 12. e3 a5 13. a3 Ne5 14. Qc2 Ng6 15. b5 cxb5 16. Nxb5 Ne5 17. Nxc7 Qxc7 18. Nf3 Nxf3+ 19. Bxf3 Bg4 20. Bg2 Nd7 21. Bxd5 Nxc5 22. Rac1 Rac8 23. Qc3 Ne6 24. Bxe6 Qxc3 25. Bxf7+ Kxf7 26. Bxc3 a4 27. Bd4 b5 28. Bc3 Red8 29. Kg2 Be2 30. Rfe1 Rd1 31. Rexd1 Bxd1 32. Bd2 Rxc1 33. Bxc1 Ke6 34. Bb2 g6 35. e4 h5 36. f4 Bc2 37. Kf3 Bd1+ 38. Ke3 Bg4 39. Be5 Bh3 40. Bd4 Bg2 1/2-1/2

[Event "Krakow Europejski op"]
[Site "Krakow"]
[Date "2016.05.03"]
[Round "4"]
[White "Zaboklicki, Zbigniew"]
[Black "Stefanski, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1817"]
[BlackElo "1678"]
[PlyCount "62"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Bb4+ 6. Bd2 Qe7 7. Nc3 Ngxe5 8. a3 Nxf3+ 9. gxf3 Bxc3 10. Bxc3 f6 11. f4 b6 12. Bd3 g6 13. h4 Bb7 14. Rg1 0-0-0 15. Qc2 Rhg8 16. 0-0-0 Rde8 17. h5 f5 18. hxg6 hxg6 19. Rg5 Nd8 20. Rdg1 Qf7 21. R5g3 Ne6 22. b4 c5 23. b5 d6 24. a4 Nc7 25. Rxg6 Be4 26. Bxe4 Rxg6 27. Bxf5+ Rge6 28. Rg7 Qh5 29. Qe4 Kb8 30. Bxe6 Rxe6 31. Qc6 Qf7 1-0

[Event "Krakow Europejski op"]
[Site "Krakow"]
[Date "2016.05.01"]
[Round "1"]
[White "Kumor, Lukasz"]
[Black "Stefanski, Piotr"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2086"]
[BlackElo "1678"]
[PlyCount "53"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bc5 5. d3 h6 6. Be3 Bxe3 7. fxe3 d6 8. 0-0 a6 9. Bxc6+ bxc6 10. Qe1 Be6 11. Qg3 Qe7 12. Qxg7 Rg8 13. Qxh6 Ng4 14. Qh4 f6 15. Nd1 0-0-0 16. h3 Rh8 17. Qg3 Rdg8 18. hxg4 Rxg4 19. Qe1 Qh7 20. Kf2 Rhg8 21. Rg1 Qg7 22. Ke2 Rxg2+ 23. Nf2 Bg4 24. Rxg2 Bxf3+ 25. Kxf3 Qxg2+ 26. Ke2 Rh8 27. Qg1 1-0

