[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.11"]
[Round "9"]
[White "Marszalek, Jakub"]
[Black "Orlowska, Aleksandra"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1356"]
[PlyCount "75"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. c3 b5 5. Bb3 Bb7 6. d3 d6 7. Nbd2 Ne7 8. 0-0 g6 9. Re1 Bg7 10. Nf1 0-0 11. Ng3 Nd7 12. d4 c4 13. Bc2 f5 14. Ng5 Qc8 15. Nxe6 Rf7 16. Bf4 Nf6 17. d5 fxe4 18. Ng5 Rf8 19. Bxd6 Qd7 20. Bxe7 Qxe7 21. N5xe4 Nxd5 22. Qd2 h6 23. Rad1 Rad8 24. Qe2 Nf4 25. Qe3 Nd5 26. Qc5 Qd7 27. b3 Rc8 28. Qd6 Qf7 29. bxc4 Nxc3 30. Rd2 Nxe4 31. Nxe4 Bxe4 32. Bxe4 Bc3 33. Bd5 Qxd5 34. Qxg6+ Kh8 35. Rxd5 Bxe1 36. Rd7 Bxf2+ 37. Kh1 Bd4 38. Rh7# 1-0

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.10"]
[Round "5"]
[White "Grandys, Antoni"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B72"]
[BlackElo "1356"]
[PlyCount "81"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 a6 8. 0-0 0-0 9. f3 Bd7 10. Qd2 Re8 11. Rfe1 Nc6 12. a3 Rc8 13. Nb3 Ne5 14. Nd5 Nxd5 15. exd5 Nc4 16. Bxc4 Rxc4 17. Rab1 b6 18. Qd3 b5 19. Bf2 Bf5 20. Qe3 Bxc2 21. Rbc1 Bxb2 22. Nd2 Bxc1 23. Rxc1 Rc7 24. Qh6 Ba4 25. Re1 e5 26. Bb6 Qc8 27. Ne4 Qf5 28. Nxd6 Qd7 29. Nxe8 Qxe8 30. Bxc7 f6 31. d6 Qc6 32. Qe3 a5 33. Rc1 Qd5 34. Qc5 Qd2 35. Bb6 b4 36. axb4 axb4 37. Qc8+ Kg7 38. Rc7+ Kh6 39. Qh3+ Kg5 40. Qg4+ Kh6 41. Qh4# 1-0

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.10"]
[Round "8"]
[White "Marszalek, Jakub"]
[Black "Bandyk, Wladyslaw"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1356"]
[BlackElo "1442"]
[PlyCount "70"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nc3 g6 2. Nf3 Bg7 3. e4 d6 4. h3 Nf6 5. Bc4 0-0 6. d3 c6 7. Ne2 a5 8. c3 a4 9. a3 Nbd7 10. g4 b5 11. Ba2 Nc5 12. Ng3 Be6 13. g5 Nfd7 14. Nh4 Bxa2 15. Rxa2 Nb3 16. Nhf5 gxf5 17. exf5 Ne5 18. f4 Nd7 19. h4 e5 20. Kf2 Qb6+ 21. Kg2 exf4 22. Bxf4 Be5 23. Rf1 Rfe8 24. d4 Bxf4 25. Rxf4 Re7 26. Re4 Rxe4 27. Nxe4 d5 28. Nf6+ Nxf6 29. gxf6 Kf8 30. Qh5 Qd8 31. Kg3 Qxf6 32. Qxh7 Ke7 33. h5 Rh8 34. Qg6 fxg6 35. fxg6 Rxh5 0-1

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.10"]
[Round "7"]
[White "Pyzik, Karol"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1073"]
[BlackElo "1356"]
[PlyCount "94"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d3 g6 4. Nge2 Bg7 5. g3 Nf6 6. Bg2 Nc6 7. f4 a6 8. a4 Bd7 9. 0-0 0-0 10. h3 Rb8 11. Kh2 b5 12. axb5 axb5 13. g4 b4 14. Nb1 Qc7 15. Be3 Ne8 16. c3 bxc3 17. bxc3 Qb7 18. Nd2 Qc7 19. Nf3 Nf6 20. Bd2 Rb2 21. Rb1 Rfb8 22. Rxb2 Rxb2 23. Qa1 Rb8 24. Qa2 h6 25. Rb1 Rc8 26. Qa6 Rb8 27. Rxb8+ Qxb8 28. Qa2 Be6 29. Qc2 Bb3 30. Qb1 c4 31. Ned4 Ba4 32. Qxb8+ Nxb8 33. dxc4 Nfd7 34. f5 Na6 35. fxg6 fxg6 36. Ne6 Nac5 37. Nfd4 Nxe6 38. Nxe6 Be5+ 39. Bf4 g5 40. Bxe5 Nxe5 41. c5 Kf7 42. Nd8+ Ke8 43. Nb7 Kd7 44. cxd6 exd6 45. Kg3 Kc7 46. Na5 Kb6 47. h4 Kxa5 0-1

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.08"]
[Round "4"]
[White "Marszalek, Jakub"]
[Black "Bastrzyk, Kinga"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1356"]
[BlackElo "1145"]
[PlyCount "107"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nc3 d5 2. d4 Nf6 3. h3 c5 4. Nf3 Nc6 5. Bg5 e6 6. e3 cxd4 7. exd4 Be7 8. Bb5 0-0 9. 0-0 h6 10. Be3 Qb6 11. Bxc6 bxc6 12. b3 Ba6 13. Na4 Qc7 14. Re1 Ne4 15. Nd2 Nxd2 16. Bxd2 c5 17. Be3 c4 18. Qg4 Kh7 19. Nc5 Bxc5 20. dxc5 Qe7 21. b4 Rab8 22. c3 Bb5 23. a4 Bd7 24. Qg3 a6 25. Bf4 Ra8 26. Bd6 Qd8 27. Bxf8 Qxf8 28. Qc7 Qe8 29. a5 Bb5 30. Re3 Rc8 31. Qf4 Qd7 32. Rae1 Re8 33. Qg4 g6 34. h4 Qe7 35. g3 f5 36. Qd4 Qf7 37. Qe5 Bd7 38. Qd6 Bb5 39. Rxe6 Rxe6 40. Rxe6 Kg8 41. Rxg6+ Kh7 42. Rxh6+ Kg7 43. Re6 Kg8 44. Re7 Qh5 45. Qd8+ Be8 46. Rxe8+ Kg7 47. Rg8+ Kh7 48. Rh8+ Kg6 49. Qg8+ Kf6 50. Rxh5 d4 51. f4 d3 52. Rh6+ Ke7 53. Qg7+ Ke8 54. Rh8# 1-0

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.07"]
[Round "3"]
[White "Marszalek, Jakub"]
[Black "Biela, Mikolaj"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1356"]
[BlackElo "1169"]
[PlyCount "108"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nc3 d5 2. d4 Nf6 3. h3 g6 4. Nf3 Bg7 5. Bf4 c6 6. e3 0-0 7. Bd3 Nbd7 8. 0-0 Qb6 9. Rb1 c5 10. Na4 Qa5 11. c3 c4 12. Be2 b5 13. Nc5 Nxc5 14. dxc5 Bb7 15. Nd4 Rac8 16. b4 Qa6 17. Ra1 Bc6 18. a4 Qb7 19. axb5 Bxb5 20. Nxb5 Qxb5 21. Rxa7 Ne4 22. Qxd5 Nxc3 23. Qf3 e5 24. Bg3 e4 25. Qg4 h5 26. Qd7 Nxe2+ 27. Kh2 Qxd7 28. Rxd7 c3 29. Bd6 Rfd8 30. Rxd8+ Rxd8 31. b5 Rxd6 32. cxd6 Be5+ 33. g3 Bxd6 34. Rd1 c2 35. Ra1 c1Q 36. Rxc1 Nxc1 37. Kg2 Bc5 38. Kf1 Na2 39. Ke1 Nc3 40. Kd2 Nxb5 41. Kc2 Bb4 42. Kb3 Be1 43. Kc4 Bxf2 44. Kxb5 Bxe3 45. Kc4 f5 46. Kd5 Bf2 47. g4 e3 48. gxf5 e2 49. fxg6 e1Q 50. Kd6 Qe4 51. h4 Bg3+ 52. Kd7 Qd5+ 53. Ke7 Bxh4+ 54. Ke8 Qd8# 0-1

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.06"]
[Round "2"]
[White "Krzeszowiec, Wojciech"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1194"]
[BlackElo "1356"]
[PlyCount "114"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 d6 3. Bg2 Nf6 4. Nf3 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 Nc6 8. d3 Bd7 9. h3 a6 10. Nc3 Rb8 11. d4 cxd4 12. Nxd4 Ne5 13. e4 Qc8 14. Kh2 h5 15. f4 Nc6 16. Nc2 Kh7 17. Ne3 Rh8 18. Ncd5 Kg8 19. Nxf6+ exf6 20. Qxd6 Qd8 21. Rad1 Be6 22. Qxd8+ Rxd8 23. f5 gxf5 24. exf5 Rxd1 25. Rxd1 Bc8 26. Bxc6 bxc6 27. Rd6 Bb7 28. Bxf6 Bxf6 29. Rxf6 Kg7 30. Rd6 Re8 31. Rd3 a5 32. g4 hxg4 33. hxg4 Kf6 34. Kg3 Re4 35. Kf2 Re7 36. Kg3 Ke5 37. Ng2 Kf6 38. a3 Ba8 39. b4 axb4 40. axb4 Rb7 41. Ra3 Rb8 42. Ra6 Rd8 43. Ne3 Ke5 44. g5 Ke4 45. Ra3 Rg8 46. Kg4 Bb7 47. b5 cxb5 48. cxb5 Bc8 49. b6 f6 50. Ra4+ Kxe3 51. g6 Rxg6+ 52. Kh5 Rg5+ 53. Kh6 Rxf5 54. Rb4 Bb7 55. Kg6 Rf2 56. Rc4 Bd5 57. Rc7 Rb2 1/2-1/2

[Event "Poronin op"]
[Site "Poronin"]
[Date "2023.01.06"]
[Round "1"]
[White "Marszalek, Jakub"]
[Black "Golubka, Petr"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1356"]
[BlackElo "2378"]
[PlyCount "70"]
[EventDate "2023.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 g6 3. e4 Bg7 4. Bc4 e6 5. a3 Ne7 6. d3 d6 7. 0-0 Nbc6 8. Ne2 a6 9. c3 b5 10. Ba2 0-0 11. Ng3 a5 12. Rb1 a4 13. Bd2 Bd7 14. h3 Na5 15. Nh2 c4 16. d4 e5 17. d5 f5 18. Bg5 f4 19. Nh1 h6 20. Bxe7 Qxe7 21. f3 Bf6 22. Nf2 Qg7 23. Kh1 Bd8 24. Qe1 Nb7 25. Rd1 Kf7 26. Rg1 Bh4 27. Qf1 Ke7 28. Qe2 Nc5 29. Bb1 h5 30. Bc2 g5 31. Nf1 g4 32. hxg4 hxg4 33. fxg4 Bxf2 34. Qxf2 Rh8+ 35. Nh2 Rxh2+ 0-1

[Event "Polanica Zdroj op-B 56th"]
[Site "Polanica Zdroj"]
[Date "2020.08.15"]
[Round "1"]
[White "Rapiej, Andrzej"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1731"]
[BlackElo "1362"]
[PlyCount "77"]
[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 c5 2. Nf3 g6 3. d4 cxd4 4. c3 Bg7 5. cxd4 d6 6. Bc4 Nf6 7. Qa4+ Bd7 8. Qb3 0-0 9. e5 dxe5 10. Nxe5 e6 11. Qxb7 Nc6 12. Nxc6 Qe8 13. Ne5 Rc8 14. Bg5 Bc6 15. Nxc6 Qxc6 16. Qxc6 Rxc6 17. Nd2 Rfc8 18. b3 h6 19. Be3 Nd5 20. Nf3 f6 21. Kd2 Kh7 22. Rhc1 g5 23. Bxd5 Rxc1 24. Be4+ f5 25. Bxf5+ exf5 26. Rxc1 Rxc1 27. Kxc1 f4 28. Bd2 Kg6 29. Kc2 Kf5 30. Kd3 h5 31. Kc4 Bf6 32. d5 g4 33. Nd4+ Ke4 34. d6 Bxd4 35. Bxf4 Bxf2 36. d7 Bb6 37. Bg5 Bc7 38. d8Q Bxd8 39. Bxd8 1-0

[Event "Krakow Malopolski-chB"]
[Site "Krakow"]
[Date "2015.04.26"]
[Round "1.2"]
[White "Mintenko, Heorhiy"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1934"]
[BlackElo "1477"]
[PlyCount "63"]
[EventDate "2015.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nc6 2. Bf4 e6 3. Nf3 d6 4. e3 Nce7 5. Be2 Ng6 6. Bg3 Be7 7. Nbd2 Nf6 8. h3 c6 9. c3 a6 10. a4 Bd7 11. 0-0 0-0 12. e4 Nh5 13. Bh2 Ngf4 14. Bc4 b5 15. Bb3 c5 16. c4 cxd4 17. Nxd4 Bf6 18. N2f3 Qb6 19. Qd2 Bxd4 20. Nxd4 Qxd4 21. Bxf4 Nxf4 22. Qxf4 e5 23. Qf3 bxc4 24. Qd1 Qxb2 25. Bxc4 Be6 26. Qd3 Bxc4 27. Qxc4 Rfc8 28. Qd5 Rab8 29. a5 h6 30. Rab1 Qc2 31. Rb7 Rf8 32. Rb6 1-0

[Event "Krakow Malopolski-chB"]
[Site "Krakow"]
[Date "2014.04.27"]
[Round "1"]
[White "Kowalewski, Wladyslaw"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1732"]
[BlackElo "1480"]
[PlyCount "59"]
[EventDate "2014.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng6 5. Nf3 d6 6. Bc4 Be7 7. 0-0 c6 8. Nc3 Nf6 9. b3 0-0 10. Bb2 b5 11. Bd3 Ng4 12. Qd2 b4 13. Ne2 Qb6+ 14. Kh1 Nf2+ 15. Rxf2 Qxf2 16. Bd4 Bf6 17. e5 dxe5 18. Bxf2 exf4 19. Rf1 a5 20. Bxg6 hxg6 21. Qxf4 Bf5 22. Nfd4 Bd7 23. Bh4 Bxh4 24. Qxh4 Rae8 25. Ng3 c5 26. Nf3 f6 27. h3 Re3 28. Qc4+ Kh7 29. Ng5+ Kh8 30. Qh4+ 1-0

[Event "Polanica Zdroj op-D 49th"]
[Site "Polanica Zdroj"]
[Date "2013.08.25"]
[Round "9"]
[White "Kubik, Zbigniew"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1950"]
[BlackElo "1519"]
[PlyCount "64"]
[EventDate "2013.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. d3 e6 5. f4 Be7 6. Nf3 Bf6 7. Be2 Nge7 8. 0-0 Ng6 9. a3 a6 10. Qe1 Bd7 11. Ng5 h6 12. Nf3 Qc7 13. Bd2 Rb8 14. h4 b5 15. cxb5 axb5 16. g4 b4 17. Nd1 bxa3 18. Rxa3 Bxb2 19. Ra2 Bd4+ 20. Kg2 e5 21. f5 Nf4+ 22. Bxf4 exf4 23. Nf2 Be3 24. Nh3 g6 25. Qc3 Rg8 26. Nh2 Ne5 27. Kh1 gxf5 28. gxf5 Rg3 29. Nxf4 Qd8 30. Ng2 Ke7 31. Nxe3 Rxe3 32. Rg1 Ke8 1/2-1/2

[Event "Polanica Zdroj op-D 49th"]
[Site "Polanica Zdroj"]
[Date "2013.08.23"]
[Round "7"]
[White "Klucznik, Andre"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1754"]
[BlackElo "1519"]
[PlyCount "83"]
[EventDate "2013.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. b4 Nc6 2. b5 Ne5 3. Bb2 Ng6 4. c4 d6 5. Nf3 e5 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Nc3 Be6 10. d3 Qc8 11. Re1 h6 12. a4 Rb8 13. a5 a6 14. Qc2 c6 15. b6 d5 16. Nd2 h5 17. h4 Rd8 18. Rec1 Bh3 19. Bf3 Qf5 20. cxd5 cxd5 21. e4 dxe4 22. dxe4 Qe6 23. Nd5 Bg4 24. Bg2 Rbc8 25. Qd3 Rxc1+ 26. Rxc1 Nxd5 27. exd5 Qd6 28. Rc7 Rd7 29. Ne4 Qb4 30. Bc3 Qa3 31. d6 Rxd6 32. Nxd6 Bxd6 33. Rxb7 Bc5 34. Qd2 Qa4 35. Rb8+ Kh7 36. b7 Qb5 37. Ra8 Qb1+ 38. Qe1 Qd3 39. b8Q Qxg3 40. Qg8+ Kh6 41. Qxf7 Nf4 42. Rh8# 1-0

[Event "Polanica Zdroj op-D 49th"]
[Site "Polanica Zdroj"]
[Date "2013.08.19"]
[Round "3"]
[White "Sola, Wojciech"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1703"]
[BlackElo "1519"]
[PlyCount "119"]
[EventDate "2013.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 Ne5 3. b3 d6 4. g3 c6 5. Bg2 Nf6 6. d4 Ng6 7. Nf3 Qc7 8. 0-0 e6 9. e4 e5 10. Bb2 Be7 11. Rc1 Bg4 12. h3 Bd7 13. Qd2 Qc8 14. Kh2 h6 15. Rfd1 Be6 16. Qe3 Nh7 17. d5 Bd7 18. dxc6 bxc6 19. Qd3 Ng5 20. h4 Nh3 21. Rc2 Bg4 22. Ba3 Qe6 23. Bxd6 Bxd6 24. Qxd6 Bxf3 25. Qxe6+ fxe6 26. Bxf3 Rf8 27. Bh5 Nxf2 28. Rdd2 Ng4+ 29. Bxg4 Ke7 30. Kg2 Rad8 31. Na4 Rd4 32. Nc5 Rf6 33. h5 Nf8 34. Rxd4 exd4 35. e5 Rf7 36. Rd2 g6 37. hxg6 Rg7 38. Bh5 Nxg6 39. Bxg6 Rxg6 40. Rxd4 Rg5 41. Re4 h5 42. Nd3 Kf7 43. Kh3 Kg6 44. g4 hxg4+ 45. Rxg4 Kf5 46. Rxg5+ Kxg5 47. Kg3 Kf5 48. Kf3 a6 49. Ke3 a5 50. Kd4 Kg6 51. Kc5 Kf5 52. Kd6 Ke4 53. Nc5+ Kd4 54. Nxe6+ Kc3 55. Nc5 Kb2 56. e6 Kxa2 57. e7 Ka3 58. e8Q Kb4 59. Qe1+ Ka3 60. Qxa5+ 1-0

[Event "Polanica Zdroj op-D 49th"]
[Site "Polanica Zdroj"]
[Date "2013.08.17"]
[Round "1"]
[White "Osinski, Emil"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1833"]
[BlackElo "1519"]
[PlyCount "107"]
[EventDate "2013.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. d4 exd4 4. Nxd4 Ne5 5. f4 Ng6 6. Bc4 d6 7. Nc3 c6 8. Be3 Be7 9. Qf3 Nf6 10. h3 Qa5 11. 0-0-0 Qc7 12. Bf2 a6 13. Nf5 0-0 14. g4 Be6 15. Be2 d5 16. e5 Ne4 17. Nxe7+ Qxe7 18. Bg3 Nxg3 19. Qxg3 f5 20. exf6 Qxf6 21. f5 Qg5+ 22. Kb1 d4 23. Ne4 Qf4 24. fxg6 Qxe4 25. Bd3 Qe3 26. gxh7+ Kh8 27. Qc7 Bd5 28. Rhe1 Qg5 29. Qe5 Qd8 30. b3 c5 31. Qe7 Qb6 32. Re5 Qc6 33. Rg5 Rf7 34. Qe5 Rd8 35. Re1 b5 36. Bg6 Rff8 37. Be4 Qf6 38. Bxd5 Qxe5 39. Rgxe5 c4 40. bxc4 bxc4 41. Bxc4 Rb8+ 42. Kc1 a5 43. Rxa5 Rf3 44. Bd3 Rxh3 45. Rae5 Re3 46. R1xe3 dxe3 47. Rxe3 g5 48. a4 Kg7 49. a5 Kf7 50. a6 Ra8 51. Rh3 Rh8 52. a7 Kg7 53. Be4 Rf8 54. a8Q 1-0

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.30"]
[Round "9"]
[White "Marszalek, Jakub"]
[Black "Kotas, Kacper"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1556"]
[BlackElo "1430"]
[PlyCount "98"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. Bc4 Nc6 4. a3 e5 5. d3 a6 6. Nce2 Bg4 7. f3 Bh5 8. c3 Nd7 9. Be3 Be7 10. Ng3 Bh4 11. Bf2 Bg6 12. N1e2 0-0 13. 0-0 Rb8 14. f4 exf4 15. Nxf4 Nce5 16. Bb3 b5 17. d4 Nc4 18. Qe2 c5 19. Rad1 Bg5 20. Qg4 Bxf4 21. Qxf4 Nxb2 22. Rd2 c4 23. Rxb2 cxb3 24. h4 Nf6 25. Rxb3 d5 26. e5 Ne4 27. Nxe4 Bxe4 28. h5 f6 29. h6 fxe5 30. Qxe5 Qd7 31. hxg7 Rfe8 32. Qg5 Rb6 33. Bh4 Rg6 34. Rf8+ Kxg7 35. Rxe8 Rxg5 36. Rxe4 dxe4 37. Bxg5 Qg4 38. Kf2 Qxg5 39. a4 bxa4 40. Rb7+ Kg6 41. Rb4 Qd2+ 42. Kg1 e3 43. Rxa4 e2 44. Rxa6+ Kf5 45. Ra5+ Kg4 46. Re5 Qe1+ 47. Kh2 Qg3+ 48. Kg1 Qxe5 49. dxe5 Kg3 0-1

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.28"]
[Round "7"]
[White "Marszalek, Jakub"]
[Black "Bernaszuk, Krzysztof"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1556"]
[BlackElo "1573"]
[PlyCount "106"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 d6 3. Bc4 Nc6 4. a3 e5 5. d3 Be6 6. Nd5 Nf6 7. Bg5 Be7 8. Bxf6 Bxf6 9. c3 0-0 10. Nf3 Rb8 11. h3 Bg5 12. Nh2 Kh8 13. Qh5 g6 14. Qe2 Ne7 15. Nf3 Nxd5 16. exd5 Bd7 17. h4 Bh6 18. h5 Kg7 19. hxg6 hxg6 20. Kd1 Ba4+ 21. Ke1 Bd7 22. Qe4 Rh8 23. Bb3 Bf5 24. Qe2 Qd7 25. Nh4 Bg5 26. g3 Rbe8 27. f3 Bxh4 28. gxh4 Qe7 29. h5 Rxh5 30. Rxh5 gxh5 31. Qg2+ Kh7 32. Ke2 Rg8 33. Qh2 Qg5 34. Rf1 Kh6 35. Bc2 f6 36. f4 exf4 37. Rxf4 Re8+ 38. Kf2 Bg4 39. Kf1 Re2 40. Rf2 Qc1+ 41. Kg2 Rxf2+ 42. Kxf2 Qxc2+ 43. Kg1 Qxh2+ 44. Kxh2 Be2 45. d4 cxd4 46. cxd4 Kg5 47. Kg3 h4+ 48. Kf2 h3 49. Kg3 Bf1 50. Kh2 Kg4 51. b4 b5 52. Kg1 Kg3 53. Kh1 Bg2+ 0-1

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.27"]
[Round "6"]
[White "Pisarski, Stanislaw"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1556"]
[PlyCount "66"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 h6 4. Nc3 a6 5. h3 d6 6. 0-0 Nf6 7. d3 Ne7 8. a3 Ng6 9. Nd5 Nh7 10. b4 c6 11. Ne3 Be7 12. Bb2 Bf6 13. Nh2 Nf4 14. Neg4 Bd7 15. Rb1 h5 16. Nxf6+ Nxf6 17. Bc1 g5 18. Qf3 g4 19. hxg4 hxg4 20. Qd1 Ke7 21. Bxf4 exf4 22. Qe2 Rh5 23. Qd2 f3 24. Qf4 Qh8 25. Qg3 Rg8 26. e5 dxe5 27. Rbe1 Rgg5 28. d4 fxg2 29. Kxg2 Kf8 30. dxe5 Rh3 31. Qf4 Rf5 32. Qxf5 Bxf5 33. Rh1 Be4+ 0-1

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.26"]
[Round "5"]
[White "Marszalek, Jakub"]
[Black "Siembab, Bartosz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1556"]
[BlackElo "2258"]
[PlyCount "76"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 g6 2. e3 Bg7 3. Nce2 e5 4. c3 d5 5. Ng3 c5 6. Bb5+ Nc6 7. h3 Nge7 8. Nf3 0-0 9. 0-0 f5 10. d4 cxd4 11. cxd4 e4 12. Nd2 f4 13. exf4 Nxd4 14. Ba4 Kh8 15. Nb3 Ne6 16. Nd2 Nxf4 17. Bc2 Ne6 18. Nb3 Bd7 19. Rb1 Bb5 20. Re1 Qb6 21. Be3 d4 22. Nxe4 dxe3 23. fxe3 Nf5 24. Qd2 a5 25. Rbd1 a4 26. Nc1 Rad8 27. Nd3 Bxd3 28. Bxd3 Qxb2 29. Qa5 Qe5 30. Qxa4 Bh6 31. Qb3 Bxe3+ 32. Kh1 Ng5 33. Rxe3 Nxe3 34. Re1 Nxe4 35. Bxe4 Nf1 36. g3 Nxg3+ 37. Kg2 Rd2+ 38. Kg1 Qd4+ 0-1

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.25"]
[Round "4"]
[White "Czerwonski, Jakub"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "C70"]
[BlackElo "1556"]
[PlyCount "164"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 Nge7 4. c3 a6 5. Ba4 b5 6. Bb3 Ng6 7. d4 Be7 8. 0-0 0-0 9. Re1 Bf6 10. Nbd2 Nce7 11. Nf1 d6 12. Ng3 Be6 13. d5 Bg4 14. h3 Bd7 15. Nh5 Kh8 16. Nxf6 gxf6 17. Nh2 Rg8 18. Qf3 Nf4 19. Bxf4 exf4 20. Qxf4 Ng6 21. Qe3 Ne5 22. Kh1 Rg7 23. Rg1 Qe7 24. f4 Ng6 25. Rae1 Rag8 26. f5 Ne5 27. Nf3 Rg3 28. Ref1 Nxf3 29. Rxf3 Qe5 30. Qf4 Qxf4 31. Rxf4 Re3 32. Rc1 Re2 33. g4 c5 34. Bc2 a5 35. Kg1 a4 36. Rf2 Re3 37. Rh2 a3 38. Bd1 axb2 39. Rxb2 Rxe4 40. Be2 c4 41. Bf3 Re3 42. Kf2 Rge8 43. Re2 Rxe2+ 44. Bxe2 Ra8 45. Rc2 Kg7 46. h4 Ra3 47. Kf3 Bc8 48. Ke3 h5 49. Kf4 Bb7 50. Ke4 hxg4 51. Bxg4 Ra4 52. Bd1 Ra8 53. Rg2+ Kh6 54. Rb2 Re8+ 55. Kf4 Ba6 56. Re2 Re5 57. Rxe5 fxe5+ 58. Kg4 f6 59. Kf3 Bc8 60. Ke3 Bxf5 61. a3 Bd7 62. Bf3 f5 63. Kd2 Be8 64. Be2 Kg7 65. Ke3 f4+ 66. Kf2 Kf6 67. Bg4 e4 68. h5 Kg5 69. Be2 f3 70. Bxf3 exf3 71. Kxf3 Bxh5+ 72. Ke3 Kf5 73. Kd4 Bf3 74. a4 bxa4 75. Kxc4 Bxd5+ 76. Kb4 Bc6 77. Kc4 Ke5 78. Kb4 Kd5 79. Ka3 Kc4 80. Kb2 Kd3 81. Ka3 Kxc3 82. Ka2 d5 0-1

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.23"]
[Round "2"]
[White "Marszalek, Jakub"]
[Black "Pyzio, Amelia"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1556"]
[BlackElo "1328"]
[PlyCount "51"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Be6 5. h3 a6 6. Nf3 Nc6 7. a3 Nf6 8. Ng5 Qd7 9. b3 h6 10. Nxe6 Qxe6 11. Bc4 Qd7 12. b4 a5 13. b5 Ne7 14. d3 Ng6 15. Nf5 Ne7 16. Qf3 Nc8 17. 0-0 Nd6 18. Nxd6+ Bxd6 19. g4 Qe7 20. Kg2 0-0 21. Rh1 c6 22. a4 Bb4 23. h4 g6 24. Bxh6 Rfc8 25. h5 Nh7 26. hxg6 1-0

[Event "Karpacz op"]
[Site "Karpacz"]
[Date "2013.07.22"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2462"]
[BlackElo "1556"]
[PlyCount "69"]
[EventDate "2013.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 e6 3. c4 Nce7 4. Nc3 c6 5. Bg5 f6 6. Bf4 Ng6 7. Bg3 d5 8. e3 Nh6 9. Bd3 Nf5 10. Bxf5 exf5 11. cxd5 cxd5 12. Qb3 Be6 13. Qxb7 f4 14. exf4 Bd6 15. f5 Bxg3 16. fxe6 Bc7 17. Qxd5 Ne7 18. Qb5+ Kf8 19. 0-0 h5 20. d5 h4 21. Rad1 Rb8 22. Qe2 a6 23. d6 Bxd6 24. Ne4 Nf5 25. Nxd6 Nxd6 26. Nd4 Rb6 27. Nf5 Qc7 28. Nxd6 Rxd6 29. Rxd6 Qxd6 30. Rd1 Qc7 31. Qxa6 Kg8 32. Qa8+ Kh7 33. Qe4+ g6 34. Rd7+ Qxd7 35. exd7 1-0

[Event "Krakow-ch 3rd"]
[Site "Krakow"]
[Date "2012.08.08"]
[Round "1.18"]
[White "Magnussen, Helge"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2144"]
[BlackElo "1608"]
[PlyCount "121"]
[EventDate "2012.08.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. e4 Ng6 5. Nf3 Be7 6. Be2 d6 7. h3 h6 8. 0-0 Nf6 9. Nc3 Bd7 10. Be3 Qc8 11. Kh2 Nh7 12. Ne1 Ng5 13. Rh1 Bf6 14. Nd3 Nh4 15. Qf1 h5 16. f3 Ng6 17. Qc1 Qd8 18. c5 Nh7 19. Nb4 0-0 20. a4 Re8 21. a5 dxc5 22. Bxc5 Bg5 23. Be3 Bf4+ 24. g3 Bxe3 25. Qxe3 h4 26. g4 Nf4 27. Rhc1 a6 28. Na4 Ng5 29. Bf1 Bb5 30. Nc5 Qd6 31. Nbd3 b6 32. Na4 Bxd3 33. Bxd3 Nfxh3 34. Rc6 Qd7 35. axb6 cxb6 36. Nxb6 Qb7 37. Rac1 Rab8 38. R1c2 Nf4 39. Nc4 Qb3 40. Nxe5 Ngh3 41. R6c3 Qa2 42. Bf1 Rxb2 43. Qd2 Rxc2 44. Rxc2 Qa3 45. Bxh3 Nxh3 46. Kxh3 Rxe5 47. Qc3 Qe7 48. Qc8+ Kh7 49. Qxa6 Qg5 50. Qe2 Qf4 51. Qf2 Re7 52. Qxh4+ Kg6 53. Rc6+ Re6 54. Qh5+ Kf6 55. Qf5+ Qxf5 56. gxf5 Rxc6 57. dxc6 Ke7 58. f6+ gxf6 59. Kg4 Kd6 60. Kf5 Kxc6 61. Kxf6 1-0

[Event "Krakow Malopolski-chB"]
[Site "Krakow"]
[Date "2011.??.??"]
[Round "1"]
[White "Lenda, Lukasz"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1856"]
[BlackElo "1648"]
[PlyCount "91"]
[EventDate "2011.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 Nc6 2. a3 e5 3. Bb2 d6 4. e3 Nf6 5. c4 Be7 6. Nc3 Be6 7. Nf3 a6 8. d4 exd4 9. exd4 Bg4 10. Be2 0-0 11. d5 Nb8 12. 0-0 Nbd7 13. Nd4 Ne5 14. f3 Bd7 15. f4 Neg4 16. Qd3 g6 17. h3 Nh6 18. g4 Ne8 19. f5 Ng7 20. Rf3 Bh4 21. Raf1 gxf5 22. gxf5 Qg5+ 23. Kh1 Rae8 24. Bc1 Qf6 25. Ne4 Rxe4 26. Qxe4 Re8 27. Qd3 Nh5 28. Rg1+ Kh8 29. Re3 Ng7 30. Rxe8+ Bxe8 31. Qe3 Ng8 32. Bb2 Bd7 33. Qd2 Qe7 34. Ne6 Bf6 35. Bxf6 Nxf6 36. Nxg7 Qe4+ 37. Rg2 Qh4 38. Qe3 Ne4 39. Bd3 Nf6 40. Qg3 Qh6 41. Nh5 Qc1+ 42. Rg1 Qxg1+ 43. Qxg1 Nxh5 44. Qg5 Ng7 45. f6 Ne8 46. Qh6 1-0

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.28"]
[Round "10"]
[White "Marszalek, Jakub"]
[Black "Stec, Ewa"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1641"]
[BlackElo "2071"]
[PlyCount "64"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 Nc6 3. a3 Nf6 4. Bc4 d6 5. h3 e6 6. d3 Be7 7. Nce2 d5 8. exd5 Nxd5 9. Nf3 a6 10. 0-0 b5 11. Ba2 0-0 12. c3 Bb7 13. Ng3 h6 14. Qe2 Qc7 15. d4 cxd4 16. cxd4 Rad8 17. Ne4 Nf4 18. Bxf4 Qxf4 19. Rad1 Nxd4 20. Nxd4 Qxe4 21. Qxe4 Bxe4 22. Rfe1 Ba8 23. Bb3 Bf6 24. Ne2 Bxb2 25. a4 Bf6 26. Nf4 Rxd1 27. Rxd1 Rd8 28. Rc1 Bg5 29. g3 e5 30. h4 Bxf4 31. gxf4 exf4 32. a5 Bd5 1/2-1/2

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.27"]
[Round "9"]
[White "Galicki, Ryszard"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "C34"]
[WhiteElo "2020"]
[BlackElo "1641"]
[PlyCount "19"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 Nc6 2. f4 e5 3. Nf3 exf4 4. d4 Nce7 5. c4 Ng6 6. Bd3 Nf6 7. 0-0 d6 8. Nc3 c6 9. e5 Ng4 10. Ne4 1/2-1/2

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.26"]
[Round "8"]
[White "Marszalek, Jakub"]
[Black "Bartosik, Lech"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1641"]
[BlackElo "1797"]
[PlyCount "157"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. h3 c5 5. Nf3 Nc6 6. Ng3 g6 7. Bb5 Bd6 8. a3 Be6 9. Qe2 f6 10. a4 a6 11. Bc4 Qd7 12. c3 Na5 13. Bxe6 Qxe6 14. b4 Nb3 15. Rb1 dxc3 16. dxc3 Nxc1 17. Rxc1 cxb4 18. 0-0 bxc3 19. Rxc3 Ne7 20. Qb2 Rb8 21. Rfc1 0-0 22. h4 Rfc8 23. Rxc8+ Rxc8 24. Rd1 Rb8 25. h5 b5 26. hxg6 hxg6 27. Qd2 Bc7 28. Qh6 Rd8 29. Rc1 Bb6 30. axb5 axb5 31. Nh4 Qf7 32. Nf3 Qh7 33. Qxh7+ Kxh7 34. Rb1 Rb8 35. Ne2 b4 36. g3 Nc6 37. Kf1 Nd4 38. Nd2 Nxe2 39. Kxe2 Bd4 40. f4 Bc3 41. Nc4 Rd8 42. Kf3 Rd3+ 43. Kg4 Rd4 44. Nb6 Rxe4 45. Nd5 exf4 46. Kf3 Rc4 47. Nxf4 Rd4 48. Rh1+ Kg8 49. Nxg6 b3 50. Ne7+ Kf7 51. Nf5 Ra4 52. Nd6+ Ke6 53. Ne4 Rc4 54. Ke3 Be5 55. Kd3 Rc6 56. Rb1 b2 57. Kd2 Kd5 58. Nf2 Kc4 59. Nd1 Kb3 60. Nxb2 Bxb2 61. Rf1 Rc3 62. Rg1 Kc4 63. g4 Rd3+ 64. Ke2 Rd5 65. Kf3 Rg5 66. Rb1 Bc3 67. Rb8 Kd4 68. Ra8 Rd5 69. Ra4+ Ke5 70. Re4+ Kd6 71. Rc4 Rd3+ 72. Ke4 Rg3 73. Kf5 Rf3+ 74. Kg6 Kd5 75. Rc8 Ke5 76. Rc5+ Kf4 77. Rc4+ Kg3 78. g5 f5 79. Kf7 1/2-1/2

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.25"]
[Round "7"]
[White "Marszalek, Jakub"]
[Black "Ostrowski, Michal"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1641"]
[BlackElo "1448"]
[PlyCount "25"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 Nc6 3. a3 e6 4. Nf3 Nge7 5. Bc4 d5 6. exd5 exd5 7. Be2 d4 8. Ne4 b6 9. Bc4 Na5 10. Ba2 c4 11. d3 b5 12. 0-0 g6 13. Nf6# 1-0

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.24"]
[Round "6"]
[White "Janocha, Jan"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1803"]
[BlackElo "1641"]
[PlyCount "79"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. c4 d6 5. Bd3 Ng6 6. Nc3 Be7 7. Nge2 Nf6 8. 0-0 Bg4 9. f3 Bd7 10. f4 exf4 11. Nxf4 Ne5 12. b3 a6 13. Be2 g6 14. Nd3 Nxd3 15. Bxd3 Ng4 16. Be2 Ne5 17. Be3 Bg5 18. Bd4 Qe7 19. a4 0-0 20. b4 f5 21. Qb3 Bh6 22. c5 Bg7 23. c6 Bc8 24. b5 Nf3+ 25. Bxf3 Bxd4+ 26. Kh1 b6 27. Rae1 Qh4 28. g3 Qg5 29. exf5 Bxf5 30. Ne4 Qh6 31. Qd3 Be5 32. Rf2 a5 33. Kg1 Rae8 34. Rfe2 Re7 35. Qd2 Qxd2 36. Nxd2 Bd3 37. Kg2 Bxe2 38. Rxe2 Kf7 39. Bg4 Kg7 40. Ne4 1-0

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.23"]
[Round "5"]
[White "Marko, Stanislaw"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1966"]
[BlackElo "1641"]
[PlyCount "48"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Bd3 Ng6 5. Ne2 Be7 6. g3 d6 7. Be3 a6 8. Nd2 Nf6 9. f3 Bd7 10. c4 0-0 11. h4 Nh5 12. Qc2 b5 13. 0-0-0 c5 14. g4 Nhf4 15. h5 Nxd3+ 16. Qxd3 Nf4 17. Nxf4 exf4 18. Bxf4 Bg5 19. Qe3 f6 20. Bxg5 fxg5 21. e5 dxe5 22. Qxe5 bxc4 23. d6 c3 24. bxc3 Rc8 0-1

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.22"]
[Round "4"]
[White "Marszalek, Jakub"]
[Black "Santura, Janusz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1641"]
[BlackElo "1884"]
[PlyCount "90"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. h3 Nf6 5. Ng3 c5 6. Nf3 Bd6 7. a4 0-0 8. Bc4 Nc6 9. d3 h6 10. 0-0 Bd7 11. Ba2 a6 12. Bd2 b5 13. axb5 axb5 14. c3 Qb6 15. Nh4 Ne7 16. Qf3 Ra7 17. Bb3 Rfa8 18. Rxa7 Rxa7 19. Bxh6 Bc7 20. Nh5 Ned5 21. exd5 Nxh5 22. Bg5 Nf4 23. Bxf4 exf4 24. Qe4 Qf6 25. Nf3 Bf5 26. Qe8+ Kh7 27. h4 Bxd3 28. Re1 c4 29. Ng5+ Kg6 30. Re6 Be5 31. Rxf6+ Bxf6 32. d6 Bf5 33. d7 Rxd7 34. Bd1 dxc3 35. Bh5+ Kxh5 36. Qh8+ Kg4 37. Kh2 Bg6 38. f3+ Kf5 39. bxc3 Rd8 40. Qxd8 Bxd8 41. Ne4 Ke5 42. Nc5 Bxh4 43. Kg1 Be1 44. Nd7+ Kd6 45. Nb6 Bxc3 0-1

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.21"]
[Round "3"]
[White "Wyczalek, Tytus"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1389"]
[BlackElo "1641"]
[PlyCount "88"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 e6 3. g3 d5 4. Bg2 Nce7 5. Nc3 h6 6. 0-0 Nf6 7. b3 Ng6 8. Bb2 c6 9. Re1 Be7 10. e4 a6 11. e5 Nh7 12. Ne2 Bd7 13. c3 h5 14. h4 b5 15. b4 Kf8 16. Bc1 f5 17. exf6 gxf6 18. Nf4 Kf7 19. Qd3 Nxf4 20. Bxf4 Qg8 21. Bh3 f5 22. Qe3 Nf6 23. Ne5+ Ke8 24. Nxd7 Kxd7 25. Bxf5 Ne4 26. Bxe4 dxe4 27. Qxe4 Re8 28. Qe5 Rc8 29. Re3 Bf8 30. Rae1 Rh7 31. Qxe6+ Qxe6 32. Rxe6 Rf7 33. Bh6 Bd6 34. Rg6 Rc7 35. Rg7 Kc8 36. Rxf7 Rxf7 37. Re6 Kd7 38. Re4 Bc7 39. Be3 Rf5 40. Bg5 Rf7 41. Kg2 Kd6 42. Bf4+ Kd5 43. Bxc7 Kxe4 44. Bf4 Kd3 0-1

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.20"]
[Round "2"]
[White "Marszalek, Jakub"]
[Black "Krawiec, Stanislaw"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1641"]
[PlyCount "46"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Be6 5. h3 Be7 6. Nf3 Nd7 7. Bb5 c6 8. Ba4 h6 9. 0-0 Ngf6 10. d3 0-0 11. Bb3 Nh7 12. Bd2 Qc7 13. Nh2 Nc5 14. Qh5 Nxb3 15. cxb3 Nf6 16. Qf3 Qd7 17. Nf5 Bxf5 18. exf5 Kh7 19. Ng4 Qd6 20. a3 Nd5 21. g3 h5 22. Nh2 g6 23. Rfc1 Bf6 0-1

[Event "Polanica Zdroj op-E 46th"]
[Site "Polanica Zdroj"]
[Date "2010.08.19"]
[Round "1"]
[White "Szydlowski, Wiktor"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1865"]
[BlackElo "1641"]
[PlyCount "41"]
[EventDate "2010.08.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. c3 d6 6. cxd4 Bf6 7. Qb3 Qe7 8. e5 dxe5 9. 0-0 a6 10. Nc3 Nxd4 11. Nxd4 exd4 12. Nd5 Qd7 13. Re1+ Kf8 14. Nxf6 Nxf6 15. Bf4 b6 16. Be5 Bb7 17. Bxf6 gxf6 18. Qb4+ Kg7 19. Re7 Qc6 20. Rxf7+ Kg6 21. f3 1-0

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.10"]
[Round "9"]
[White "Marszalek, Jakub"]
[Black "Chmura, Wojciech"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1641"]
[PlyCount "19"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nc3 e6 2. Nf3 d5 3. e4 a6 4. a3 c5 5. d4 Qb6 6. Na4 Qa5+ 7. c3 b5 8. Nxc5 Bxc5 9. b4 Qc7 10. Be2 0-1

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.09"]
[Round "7"]
[White "Nowacki, Krzysztof"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1808"]
[BlackElo "1641"]
[PlyCount "19"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. c4 d6 5. Nc3 Ng6 6. Be3 Be7 7. Qd2 a6 8. Be2 Bd7 9. g3 Nf6 10. f4 1-0

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.09"]
[Round "8"]
[White "Stepinski, Stanislaw"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1861"]
[BlackElo "1641"]
[PlyCount "109"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. f4 Ng6 4. Nf3 d6 5. e4 e5 6. f5 Nh4 7. Be3 Nxf3+ 8. Qxf3 Be7 9. Bd3 h6 10. 0-0 Bd7 11. b4 Nf6 12. c4 b6 13. Nd2 Nh7 14. Nb3 0-0 15. c5 Kh8 16. c6 Be8 17. a4 Bg5 18. Bf2 Bf4 19. g3 Bg5 20. h4 Be7 21. Be3 f6 22. a5 Bf7 23. axb6 axb6 24. Rxa8 Qxa8 25. Ra1 Qe8 26. Ra7 Bd8 27. Kg2 Rg8 28. Kh3 Qf8 29. Ra8 g5 30. fxg6 Bxg6 31. Bxb6 Qg7 32. Be3 Bh5 33. Qf2 Qg4+ 34. Kh2 Qd1 35. Bc2 Qg4 36. Ra1 Bg6 37. Nd2 Kg7 38. Bd1 Qc8 39. h5 Bf7 40. Be2 Ng5 41. Bxg5 hxg5 42. g4 Rh8 43. Nf1 f5 44. Qxf5 Qxf5 45. gxf5 Bxh5 46. Bxh5 Rxh5+ 47. Kg3 Kf6 48. Ne3 Rh4 49. Ng4+ Ke7 50. b5 Ke8 51. Ra8 Rh1 52. f6 Rg1+ 53. Kh3 Rh1+ 54. Kg2 Rb1 55. f7+ 1-0

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.08"]
[Round "6"]
[White "Marszalek, Jakub"]
[Black "Szybka, Andrzej"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1641"]
[BlackElo "1940"]
[PlyCount "50"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nc3 g6 2. e4 Bg7 3. Bc4 d6 4. Nf3 Nf6 5. Ng5 0-0 6. d3 e5 7. h3 c6 8. 0-0 b5 9. Bb3 a5 10. a4 b4 11. Ne2 h6 12. Nf3 Na6 13. Be3 Qe7 14. Ng3 Kh7 15. Nh2 Nd7 16. Qd2 Nac5 17. Rac1 Nxb3 18. cxb3 c5 19. Nf3 f5 20. exf5 gxf5 21. Bg5 hxg5 22. Nxg5+ Kg8 23. f4 exf4 24. Qxf4 Qe5 25. Qh4 Qd4+ 0-1

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.07"]
[Round "5"]
[White "Sankiewicz, Grzegorz"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1900"]
[BlackElo "1641"]
[PlyCount "7"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 e6 3. g3 Nge7 4. Bg2 0-1

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.06"]
[Round "4"]
[White "Marszalek, Jakub"]
[Black "Felski, Krzysztof"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1641"]
[PlyCount "69"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nc3 Nc6 2. e4 d6 3. a3 Nf6 4. h3 g6 5. Bc4 e6 6. d3 Bg7 7. Nf3 0-0 8. Ne2 a6 9. c3 b5 10. Ba2 Bb7 11. Bg5 h6 12. Bd2 Ne5 13. Nxe5 dxe5 14. Bb1 Qd7 15. 0-0 Rfd8 16. f3 c5 17. Be3 Rac8 18. Qc1 Kh7 19. Bc2 Ng8 20. Ng3 f5 21. f4 exf4 22. Bxf4 fxe4 23. Nxe4 Bxe4 24. dxe4 e5 25. Be3 c4 26. Qe1 Rf8 27. Qh4 Qe7 28. Qg4 Rxf1+ 29. Rxf1 Rf8 30. Rd1 Nf6 31. Qe2 Nh5 32. Qd2 Nf4 33. Bxf4 exf4 34. Qd7 Qe5 35. Qg4 1-0

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.06"]
[Round "3"]
[White "Pawlowski, Pawel"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1857"]
[BlackElo "1641"]
[PlyCount "77"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nc3 Ng6 5. Be3 a6 6. Qd2 d6 7. h3 Be7 8. g3 Bd7 9. Bg2 Nf6 10. Nge2 b5 11. a3 h6 12. b3 Qc8 13. Na2 a5 14. b4 a4 15. Rc1 Nh7 16. c4 bxc4 17. Rxc4 Bb5 18. Rc1 0-0 19. Qc2 Qa6 20. Nac3 Bd7 21. 0-0 Ng5 22. Kh2 Qc8 23. Ng1 Qa6 24. Rfd1 Rfc8 25. Bf1 Qb7 26. b5 Ra5 27. Rb1 Rb8 28. Rb4 Raa8 29. Rc1 Bd8 30. Rcb1 Ne7 31. f4 exf4 32. gxf4 Nh7 33. Bg2 Ng6 34. Nf3 Nf6 35. e5 Nh5 36. e6 Be8 37. f5 Ngf4 38. Bxf4 Nxf4 39. Rxf4 1-0

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.05"]
[Round "2"]
[White "Marszalek, Jakub"]
[Black "Szydelko, Marcin"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "1641"]
[BlackElo "1847"]
[PlyCount "64"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nc6 3. a3 g6 4. h3 Bg7 5. Nf3 Nge7 6. Bc4 0-0 7. d3 d6 8. Bg5 h6 9. Be3 Nd4 10. Bxd4 exd4 11. Ne2 c5 12. 0-0 d5 13. exd5 Nxd5 14. Ng3 b6 15. Re1 Bb7 16. Qd2 Qc7 17. Re4 Ne3 18. Nh4 Nxc4 19. dxc4 Bxe4 20. Nxe4 Rae8 21. Ng3 Re6 22. Nf3 Rfe8 23. h4 a6 24. h5 Qe7 25. hxg6 fxg6 26. Kf1 Qf7 27. Qd3 Qf4 28. b4 h5 29. bxc5 bxc5 30. Nh1 h4 31. g3 hxg3 32. Nxg3 Re3 0-1

[Event "Kowalewo Pomorskie op-B 17th"]
[Site "Kowalewo Pomorskie"]
[Date "2010.07.04"]
[Round "1"]
[White "Milkowska, Ernesta"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1861"]
[BlackElo "1641"]
[PlyCount "55"]
[EventDate "2010.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 Nc6 2. g3 e5 3. Bg2 Nce7 4. Nc3 Ng6 5. Nf3 d6 6. d4 exd4 7. Qxd4 c6 8. e4 Nf6 9. Be3 Bg4 10. h3 Bxf3 11. Bxf3 Ne5 12. Bg2 Be7 13. f4 Ng6 14. 0-0 0-0 15. Rad1 Qc7 16. a3 Rfd8 17. b4 Nh5 18. Kh2 Nf6 19. Qd2 h5 20. Qf2 Kh7 21. Ne2 Rh8 22. Nd4 Kg8 23. Nf5 Bf8 24. Rd3 Re8 25. Rfd1 Nxe4 26. Bxe4 Rxe4 27. Nxd6 Bxd6 28. Rxd6 0-1

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.16"]
[Round "9"]
[White "Ossowski, Boleslaw"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1717"]
[BlackElo "1691"]
[PlyCount "74"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. e4 d6 4. c4 Ng6 5. Nc3 h6 6. f4 Nf6 7. Nf3 Ng4 8. h3 Nf6 9. Bd3 Nh5 10. f5 Ngf4 11. g4 Nxd3+ 12. Qxd3 Nf6 13. Be3 Nd7 14. 0-0-0 b6 15. Bf4 Nc5 16. Qc2 f6 17. Nh4 Bd7 18. Ng6 Rg8 19. Qe2 Kf7 20. h4 Qc8 21. g5 Qa6 22. Kb1 Ke8 23. b3 Qa5 24. Rc1 a6 25. Qh5 Kd8 26. gxh6 gxh6 27. Bxh6 Bxh6 28. Qxh6 Re8 29. Qe3 b5 30. Nd1 bxc4 31. Rxc4 Rb8 32. Nf4 Kc8 33. Nb2 Qb6 34. h5 a5 35. h6 a4 36. h7 axb3 37. axb3 Kb7 1-0

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.15"]
[Round "8"]
[White "Marszalek, Jakub"]
[Black "Zinczuk, Leon"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1691"]
[BlackElo "1911"]
[PlyCount "71"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 Nc6 3. Nf3 g6 4. Ne2 Bg7 5. c3 d5 6. exd5 Qxd5 7. Ng3 Nf6 8. Qa4 0-0 9. Bc4 Qd6 10. 0-0 a6 11. Qc2 b5 12. Be2 Bb7 13. d3 Rad8 14. Ng5 Qc7 15. N5e4 Ne5 16. Rd1 Nd5 17. f4 Nd7 18. Rf1 f5 19. Ng5 Qd6 20. Qb3 h6 21. Nh3 Qb6 22. Kh1 Kh8 23. Bf3 N7f6 24. Re1 Rfe8 25. c4 Nb4 26. Re3 Bxf3 27. gxf3 Qd6 28. Bd2 Nxd3 29. Ba5 bxc4 30. Qxc4 Nxb2 31. Qf7 Qd5 32. Qxg6 Ng4 33. Nxf5 Bf8 34. Qxg4 Nc4 35. Bc3+ e5 36. Rxe5 1-0

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.14"]
[Round "7"]
[White "Kocik, Genowefa"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1546"]
[BlackElo "1691"]
[PlyCount "61"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. c3 e6 3. d4 Nce7 4. Bd3 c6 5. e5 d6 6. Nf3 g6 7. Bg5 h6 8. Bf6 Nxf6 9. exf6 Nd5 10. 0-0 Qxf6 11. g3 Bg7 12. Nh4 0-0 13. Be4 e5 14. Bxd5 cxd5 15. Ng2 h5 16. Ne3 Be6 17. Na3 a6 18. Nac2 e4 19. f4 exf3 20. Qxf3 Qg5 21. Qf4 Qxf4 22. Rxf4 Bh6 23. Rf3 b5 24. Nb4 Bxe3+ 25. Rxe3 a5 26. Nd3 g5 27. Rf1 Kg7 28. a3 Rac8 29. Ne1 Bh3 30. Rf2 Bg4 31. Nc2 0-1

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.13"]
[Round "6"]
[White "Marszalek, Jakub"]
[Black "Zarow, Elzbieta"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1691"]
[BlackElo "1523"]
[PlyCount "118"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. d3 h6 4. Nc3 Nf6 5. h3 Nc6 6. a3 d5 7. exd5 exd5 8. Ba2 d4 9. Nce2 Bd6 10. Nf3 Qc7 11. Bd2 Be6 12. Bxe6 fxe6 13. Qc1 0-0-0 14. Bf4 e5 15. Bh2 Qa5+ 16. Qd2 Qxd2+ 17. Nxd2 Rhe8 18. 0-0 e4 19. dxe4 Bxh2+ 20. Kxh2 Nxe4 21. Nxe4 Rxe4 22. Ng3 Re5 23. f4 Red5 24. Rac1 c4 25. f5 d3 26. cxd3 cxd3 27. Rfd1 Kb8 28. Rc3 R8d7 29. Kg1 Ne5 30. Ne4 b6 31. f6 g5 32. b4 Rc7 33. Rxc7 Kxc7 34. Nc3 Rd7 35. Kf2 Kd6 36. Kg3 Ke6 37. Rf1 d2 38. Nd1 Rd3+ 39. Kh2 Rxa3 40. Rf2 Rd3 41. Kg1 Kf7 42. Kf1 Nc4 43. Rf3 Rd6 44. Ke2 Rxf6 45. Nc3 Rxf3 46. gxf3 Ke6 47. b5 h5 48. Kd3 Ne5+ 49. Ke4 Ng6 50. Ke3 h4 51. Kxd2 Nf4 52. Ne4 Nxh3 53. Ke3 Kd5 54. Kd3 Nf4+ 55. Kc3 Ne6 56. Kb4 Kd4 57. Kb3 Nc5+ 58. Kc2 Nxe4 59. fxe4 Kxe4 0-1

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.11"]
[Round "4"]
[White "Grabarczyk, Edmund"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1572"]
[BlackElo "1691"]
[PlyCount "63"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. f4 Ng6 5. Ne2 exf4 6. Nxf4 Ne5 7. Nc3 Nf6 8. h3 a6 9. a3 Bc5 10. Nd3 Qe7 11. Bg5 Ba7 12. Qe2 d6 13. 0-0-0 h6 14. Bh4 Bd7 15. g4 g5 16. Bg3 Nc4 17. Bf2 b5 18. Bxa7 Rxa7 19. Bg2 Bc8 20. Rhf1 Nd7 21. Qf2 Ra8 22. Nb4 Nde5 23. Nc6 Nxc6 24. dxc6 Be6 25. Nd5 Bxd5 26. exd5 0-0 27. Rde1 Qd8 28. Be4 Ne5 29. c3 a5 30. Bc2 Rb8 31. Rxe5 dxe5 32. Qf5 1-0

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.10"]
[Round "3"]
[White "Marszalek, Jakub"]
[Black "Niezgoda, Boleslaw"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1691"]
[BlackElo "1769"]
[PlyCount "113"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Nf6 5. Bc4 Bc5 6. d3 0-0 7. h3 a6 8. Bb3 c6 9. Nf3 Be7 10. Bd2 Qc7 11. 0-0 b5 12. Re1 c5 13. Qe2 Bb7 14. Nf5 Re8 15. Ng5 Rf8 16. g4 h6 17. Nf3 Kh7 18. Ng3 Ng8 19. Kg2 Nd7 20. h4 Nb6 21. c4 g6 22. Rh1 Bc8 23. Rh2 Bxg4 24. Ng5+ Bxg5 25. f3 Bxd2 26. Qxd2 Be6 27. Rah1 Qe7 28. h5 g5 29. Qe2 bxc4 30. dxc4 Rad8 31. Qd3 Kh8 32. Re1 a5 33. a4 Qf6 34. Nf5 Ne7 35. Ng3 Nd7 36. Bc2 Nc6 37. Bb1 Nb4 38. Qe2 Qf4 39. b3 Nc6 40. Qd1 Ne7 41. Qd3 Qf6 42. Nf5 Bxf5 43. exf5 Nc6 44. Kg1 Nb4 45. Qe4 Rfe8 46. Rd2 Nf8 47. Kg2 Qc6 48. Qg4 Nh7 49. Be4 Qd6 50. Bb1 Nf6 51. Qh3 Rd7 52. Kf1 d3 53. Red1 e4 54. fxe4 Nxe4 55. Rg2 Nc3 56. Rgd2 Nxd1 57. Rxd1 0-1

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.09"]
[Round "2"]
[White "Szlapak, Eugeniusz"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "A25"]
[BlackElo "1691"]
[PlyCount "80"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 e5 3. g3 Nce7 4. Bg2 c6 5. Nf3 Ng6 6. d4 Qc7 7. dxe5 Be7 8. 0-0 Nxe5 9. Nxe5 Qxe5 10. Bf4 Qe6 11. Rc1 Nf6 12. e4 g6 13. a3 0-0 14. Qe2 Nh5 15. Be3 d6 16. f4 Ng7 17. Qd3 f5 18. Bd4 Bd8 19. Rce1 Qf7 20. e5 dxe5 21. Bxe5 Bb6+ 22. Kh1 Rd8 23. Qe2 Be6 24. b3 Re8 25. Qc2 Rad8 26. Rd1 Nh5 27. Na4 Nf6 28. Nxb6 axb6 29. Bf3 Ng4 30. Bxg4 fxg4 31. Rxd8 Rxd8 32. Rd1 Qe7 33. Rxd8+ Qxd8 34. Kg1 Bf5 35. Qe2 b5 36. Bc3 Kf7 37. Kf2 bxc4 38. bxc4 Qd3 39. Qxd3 Bxd3 40. c5 Ke6 1/2-1/2

[Event "Rowy Seniors-ch 15th"]
[Site "Rowy"]
[Date "2009.09.08"]
[Round "1"]
[White "Marszalek, Jakub"]
[Black "Komysheva, Margarita"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1691"]
[BlackElo "2097"]
[PlyCount "78"]
[EventDate "2009.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nf6 3. a3 Nc6 4. Bc4 Nxe4 5. Bb3 Nc5 6. Ba2 d6 7. d3 Be6 8. b3 Be7 9. h3 0-0 10. Nf3 f5 11. 0-0 Bf6 12. Bd2 e4 13. dxe4 Nxe4 14. Qe1 Qd7 15. Nxe4 Bxa1 16. Neg5 Be5 17. Nxe6 Qxe6 18. Ng5 Qd7 19. b4+ Kh8 20. Qe2 g6 21. c3 Rae8 22. Qc4 Nd8 23. f4 Bf6 24. Re1 Kg7 25. h4 h6 26. Nf3 Rxe1+ 27. Bxe1 c6 28. Bf2 Re8 29. g3 Qe7 30. Kg2 Qe2 31. Qb3 Qd3 32. Nd4 d5 33. Bb1 Qd2 34. h5 Ne6 35. Kg1 Nxd4 36. cxd4 Bxd4 37. Bxd4+ Qxd4+ 38. Kg2 Re2+ 39. Kh3 Qd2 0-1

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.07"]
[Round "9.14"]
[White "Marszalek, Jakub"]
[Black "Staruch, Roman"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1691"]
[BlackElo "1987"]
[PlyCount "67"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 g6 2. e4 Bg7 3. Bc4 d6 4. Nce2 Nf6 5. d3 0-0 6. Ng3 Nc6 7. c3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. h3 Bb7 12. Nf3 Qc7 13. Bg5 d5 14. e5 Ne8 15. d4 cxd4 16. cxd4 Nc4 17. Bc1 Rc8 18. Bd3 Qc6 19. 0-0 f6 20. exf6 exf6 21. b3 Ncd6 22. Ba3 Rf7 23. h4 Ne4 24. Ne2 N8d6 25. Rc1 Qd7 26. Nh2 Nf5 27. g3 a5 28. Kg2 b4 29. Rxc8+ Bxc8 30. Bb2 Qd6 31. Bc1 Qb6 32. Nf3 Nc3 33. Qc2 Rc7 34. Bxf5 0-1

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.06"]
[Round "8.21"]
[White "Wroblewski, Mieczyslaw"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1830"]
[BlackElo "1691"]
[PlyCount "107"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Bb4 7. Qd3 d5 8. Nxc6 bxc6 9. exd5 Qxd5 10. Bd2 Qxd3 11. Bxd3 Nd5 12. Ne4 Be7 13. 0-0 Nb4 14. Bf4 Nxd3 15. cxd3 Ba6 16. Rfd1 0-0 17. Rac1 Bb5 18. b3 Ba3 19. Bd6 Bxc1 20. Bxf8 Kxf8 21. Rxc1 Bxd3 22. Ng3 Rc8 23. Rd1 Rd8 24. f3 Ke7 25. Rc1 Kd6 26. Kf2 Kc7 27. Ke3 Rd5 28. Rc3 Bg6 29. Ne2 e5 30. f4 f6 31. g4 Bb1 32. a3 exf4+ 33. Nxf4 Re5+ 34. Kf3 g6 35. Re3 Kd6 36. Ne2 Rxe3+ 37. Kxe3 Ke5 38. Nc3 Bc2 39. b4 f5 40. gxf5 Bxf5 41. a4 Bd7 42. b5 cxb5 43. axb5 g5 44. Kd3 h5 45. Kc4 g4 46. Kc5 h4 47. Ne2 Ke4 48. b6 axb6+ 49. Kxb6 Ke3 50. Nc3 Bf5 51. Kc5 Kf3 52. Kd4 h3 53. Nd1 g3 54. hxg3 0-1

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.04"]
[Round "5.32"]
[White "Marszalek, Jakub"]
[Black "Jagiello, Adolf"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1691"]
[BlackElo "1493"]
[PlyCount "28"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e3 e5 3. Nf3 Nc6 4. a3 d6 5. h3 Be7 6. Bc4 Na5 7. Ba2 Be6 8. b3 h6 9. d3 Qd7 10. Bd2 b6 11. a4 c6 12. Ne2 Nb7 13. Bc3 c5 14. Qd2 0-0-0 1-0

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.04"]
[Round "6.30"]
[White "Zatylny, Jan"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1682"]
[BlackElo "1691"]
[PlyCount "21"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. e3 a6 4. a3 d6 5. d5 Nce7 6. e4 g6 7. Nd2 Bg7 8. Be2 h6 9. h3 Nf6 10. Ngf3 Bd7 11. 0-0 0-1

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.02"]
[Round "2.36"]
[White "Borkowski, Jozef"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1745"]
[BlackElo "1691"]
[PlyCount "89"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. Bd3 Be7 6. c4 d6 7. Qc2 h6 8. h3 Nf6 9. Be3 a6 10. 0-0 Nh5 11. Kh2 Nhf4 12. Ng1 Bd7 13. g3 Nh5 14. Qe2 Nf6 15. f4 exf4 16. Bxf4 h5 17. Nd2 h4 18. g4 c5 19. a3 Rb8 20. b4 b6 21. e5 Nxf4 22. Rxf4 dxe5 23. Qxe5 Ba4 24. Re1 Rb7 25. d6 cxb4 26. axb4 Rd7 27. c5 Bb5 28. Bf5 Ra7 29. Ndf3 a5 30. dxe7 Rxe7 31. Qxe7+ Qxe7 32. Rxe7+ Kxe7 33. cxb6 a4 34. Nd4 Bd7 35. Bxd7 Kxd7 36. g5 Nd5 37. Rxf7+ Kd6 38. Ra7 Nxb6 39. Ra6 Kc7 40. Ngf3 Kb7 41. b5 Re8 42. Nxh4 Re5 43. Nhf3 Rxb5 44. Nxb5 Kxa6 45. Nfd4 1-0

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.02"]
[Round "3.35"]
[White "Marszalek, Jakub"]
[Black "Kocik, Genowefa"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1691"]
[BlackElo "1546"]
[PlyCount "16"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 d6 3. h3 Be7 4. e4 Nf6 5. Bc4 0-0 6. d3 h6 7. Be3 Be6 8. Bb3 c6 1-0

[Event "POL-ch disabled"]
[Site "Rowy"]
[Date "2009.09.01"]
[Round "1.19"]
[White "Marszalek, Jakub"]
[Black "Winiarski, Kazimierz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1691"]
[BlackElo "1979"]
[PlyCount "106"]
[EventDate "2009.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 Nc6 4. Ng3 e5 5. a3 Nf6 6. Bc4 Be7 7. d3 0-0 8. h3 a6 9. Nf3 b5 10. Bb3 Be6 11. 0-0 Qd7 12. Kh2 Bd6 13. Ng5 Bxb3 14. cxb3 h6 15. Nf3 Ne7 16. Bd2 Nh7 17. Nh4 Qe6 18. Nhf5 Nxf5 19. Nxf5 Qg6 20. Rc1 c5 21. b4 Rfc8 22. bxc5 Rxc5 23. Rxc5 Bxc5 24. h4 Bf8 25. h5 Qe6 26. Qg4 Kh8 27. Bb4 Nf6 28. Qf3 Bxb4 29. axb4 Rc8 30. Qd1 Ne8 31. g4 Nd6 32. Rg1 Nxf5 33. gxf5 Qf6 34. Kh3 Qe7 35. Qg4 Qf6 36. f4 Rc2 37. Rg2 Rxg2 38. Kxg2 Qd6 39. fxe5 Qxe5 40. Qg3 Qe7 41. e5 Qxb4 42. f6 Qd2+ 43. Kh3 gxf6 44. exf6 Qg5 45. Qf3 Qe5 46. Kg2 a5 47. Qa8+ Kh7 48. Qe4+ Qxe4+ 49. dxe4 a4 50. Kf3 b4 51. Ke2 a3 52. bxa3 bxa3 53. Kd3 a2 0-1

[Event "Kochan Memorial op-B 20th"]
[Site "Koszalin"]
[Date "2009.08.10"]
[Round "5"]
[White "Lenda, Lukasz"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1904"]
[BlackElo "1729"]
[PlyCount "65"]
[EventDate "2009.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e6 3. d5 exd5 4. exd5 Ne5 5. f4 Ng6 6. Bd3 d6 7. Nf3 Be7 8. 0-0 Bf6 9. c4 N8e7 10. Qc2 Bg4 11. Be3 Qd7 12. Nd4 Bxd4 13. Bxd4 0-0 14. f5 Ne5 15. Bxe5 dxe5 16. h3 Bh5 17. g4 Bg6 18. fxg6 hxg6 19. Qe2 Qd6 20. Nc3 c6 21. Ne4 Qd8 22. d6 Nc8 23. c5 b6 24. b4 Rb8 25. Bc4 bxc5 26. bxc5 Rb4 27. Rxf7 Rxf7 28. Rf1 Rbb7 29. Qf3 Qe8 30. Bxf7+ Qxf7 31. Qxf7+ Rxf7 32. Rxf7 Kxf7 33. d7 1-0

[Event "Kochan Memorial op-B 20th"]
[Site "Koszalin"]
[Date "2009.08.08"]
[Round "3"]
[White "Marszalek, Jakub"]
[Black "Czuchnicki, Jan"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1729"]
[BlackElo "1983"]
[PlyCount "96"]
[EventDate "2009.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nc3 Nf6 2. Nf3 g6 3. e3 Bg7 4. d4 0-0 5. Bd3 d6 6. h3 Nbd7 7. 0-0 c5 8. Ne2 e5 9. dxe5 dxe5 10. Ng3 Qc7 11. c3 b6 12. Ng5 Bb7 13. f3 c4 14. Bc2 Nc5 15. Qe2 Rad8 16. N3e4 Nd3 17. Nxf6+ Bxf6 18. Ne4 Bg7 19. Nf2 Nxc1 20. Raxc1 f5 21. Rcd1 b5 22. e4 f4 23. b3 h5 24. a4 a6 25. axb5 axb5 26. b4 Bf6 27. Rxd8 Rxd8 28. Rd1 Bh4 29. Kf1 Kg7 30. Rd2 Ra8 31. Qd1 Bc6 32. Bb1 Kf7 33. Qc2 Ke7 34. Rd5 Bxf2 35. Kxf2 Bxd5 36. exd5 Qd6 37. Qe4 Ra3 38. g3 fxg3+ 39. Kg2 Kf7 40. Qc2 h4 41. Qe4 Qb6 42. Qe2 Ra1 43. Bxg6+ Qxg6 44. f4 Qd3 45. Qh5+ Qg6 46. Qe2 Rc1 47. Qxe5 Qc2+ 48. Kf3 Qd1+ 0-1

[Event "Lazy Baltic Pearl op-B 05th"]
[Site "Lazy"]
[Date "2009.06.28"]
[Round "9.11"]
[White "Darowicki, Mariusz"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1916"]
[BlackElo "1724"]
[PlyCount "119"]
[EventDate "2009.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Ne5 5. Bf4 Ng6 6. Be3 Nf6 7. f3 a6 8. a4 d6 9. Bc4 Be7 10. 0-0 0-0 11. Nc3 c6 12. a5 Bd7 13. Nde2 Nh5 14. g4 Nf6 15. Ng3 Be6 16. Bb6 Qd7 17. Bd3 Ne5 18. g5 Ne8 19. f4 Bg4 20. Be2 Bxe2 21. Qxe2 Ng6 22. Rad1 f6 23. f5 Ne5 24. Bd4 Qc7 25. Bxe5 dxe5 26. Qc4+ Kh8 27. g6 h6 28. Qe6 Bc5+ 29. Kg2 Nd6 30. Rd3 Rae8 31. Qa2 Bd4 32. Nce2 Bc5 33. c3 b5 34. axb6 Bxb6 35. Rfd1 Rd8 36. Nh5 Nb7 37. Rxd8 Nxd8 38. Qxa6 Be3 39. Qd3 Bc5 40. Qd7 Qxd7 41. Rxd7 Rg8 42. Nxf6 Rf8 43. Nh5 Be3 44. f6 Ne6 45. Rxg7 Nxg7 46. fxg7+ Kg8 47. gxf8Q+ Kxf8 48. Kf3 Bb6 49. Kg4 Bd8 50. Kf5 Kg8 51. Kxe5 Bc7+ 52. Kf5 Bxh2 53. e5 Kf8 54. e6 Bd6 55. Nd4 c5 56. Nb5 Be7 57. g7+ Kg8 58. Kg6 c4 59. Nd6 Bg5 60. Ne4 1-0

[Event "Lazy Baltic Pearl op-B 05th"]
[Site "Lazy"]
[Date "2009.06.21"]
[Round "?"]
[White "Marszalek, Jakub"]
[Black "Kotlowski, Tomasz"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1733"]
[BlackElo "1978"]
[PlyCount "38"]
[EventDate "2009.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 e5 5. e3 Nc6 6. 0-0 Bd7 7. a4 Qc8 8. d3 Nge7 9. Ne2 Bh3 10. c3 h5 11. d4 h4 12. gxh4 Qg4 13. Ng3 e4 14. Nd2 Qxh4 15. Re1 Bxg2 16. Kxg2 Qxh2+ 17. Kf1 Qh3+ 18. Kg1 Nf5 19. Ndxe4 Nh4 0-1

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.27"]
[Round "9"]
[White "Marszalek, Jakub"]
[Black "Jastrzebski, Lukasz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1710"]
[PlyCount "106"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 e6 3. e4 d5 4. exd5 exd5 5. h3 Be6 6. Bb5+ Nc6 7. d4 c4 8. 0-0 Nge7 9. Ne2 g6 10. c3 a6 11. Ba4 b5 12. Bc2 Bg7 13. Bg5 0-0 14. Nf4 Qd7 15. Re1 Bf5 16. Bh4 Bxc2 17. Qxc2 Nf5 18. Bg3 Nxg3 19. fxg3 Rfe8 20. Kf2 Bh6 21. Qd2 Qd6 22. Rxe8+ Rxe8 23. Re1 Rxe1 24. Qxe1 Bxf4 25. gxf4 Kf8 26. Ne5 Nxe5 27. fxe5 Qe6 28. Qe3 Qf5+ 29. Kg3 Ke7 30. Qf4 Qxf4+ 31. Kxf4 h6 32. h4 Ke6 33. g4 a5 34. a3 a4 35. Kg3 Kd7 36. Kf3 Ke7 37. Kf4 Ke6 38. Kf3 Kd7 39. Ke3 Ke7 40. g5 h5 41. e6 Kxe6 42. Kf4 f6 43. gxf6 Kxf6 44. Kg3 Kf5 45. Kf3 g5 46. hxg5 Kxg5 47. Kg3 h4+ 48. Kf3 Kf5 49. Kf2 Kg4 50. Kg2 h3+ 51. Kh2 Kh4 52. Kg1 Kg3 53. Kh1 h2 0-1

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.26"]
[Round "8"]
[White "Moranda, Katarzyna"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1858"]
[BlackElo "1710"]
[PlyCount "72"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Nd4 4. e4 Nf6 5. Nc3 c6 6. Nf3 Nxf3+ 7. Qxf3 Be7 8. Qg3 0-0 9. Qxe5 Ng4 10. Qd4 d6 11. h3 Bf6 12. Qd2 Ne5 13. Be2 a6 14. 0-0 Bd7 15. f4 Ng6 16. Rd1 cxd5 17. Nxd5 Bc6 18. Nxf6+ Qxf6 19. Bf3 h6 20. Qd4 Rfe8 21. b3 Qxd4+ 22. Rxd4 Rad8 23. g3 b5 24. Ba3 bxc4 25. bxc4 Re7 26. Rxd6 Red7 27. c5 Nf8 28. Bg4 Ne6 29. Rb1 g5 30. e5 h5 31. Bxh5 gxf4 32. gxf4 a5 33. Rb6 Be4 34. Bg4 Rb7 35. Rxb7 Bxb7 36. f5 Nd4 1-0

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.25"]
[Round "7"]
[White "Kwasnicki, Andrzej"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "C46"]
[BlackElo "1710"]
[PlyCount "62"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Nc3 a6 4. d4 exd4 5. Nxd4 Ne5 6. f4 Ng6 7. Bc4 c6 8. 0-0 Bc5 9. Kh1 d6 10. Nb3 Bb6 11. Qe2 Nf6 12. e5 Bg4 13. Qe1 Nh5 14. exd6+ Kf8 15. f5 Nh4 16. f6 Nf5 17. fxg7+ Kxg7 18. Bf4 Re8 19. Qd2 Qh4 20. Qd3 Bf2 21. Rxf2 Qxf2 22. Rf1 Re1 23. Be5+ f6 24. Ne4 Rxf1+ 25. Qxf1 Qxf1+ 26. Bxf1 fxe5 27. Nbc5 Ne3 28. Bd3 Nf4 29. Nxb7 Nxd3 30. cxd3 Rb8 31. Nec5 Nd1 0-1

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.24"]
[Round "6"]
[White "Marszalek, Jakub"]
[Black "Moszczenski, Milosz"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1710"]
[PlyCount "85"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 Nc6 3. a3 Nf6 4. Nf3 d6 5. h3 g6 6. Bc4 a6 7. d3 b5 8. Ba2 Bg7 9. Ne2 e6 10. Ng5 0-0 11. f4 h6 12. Nf3 d5 13. e5 Nd7 14. Be3 c4 15. d4 b4 16. Rc1 bxa3 17. bxa3 Qa5+ 18. c3 Qxa3 19. Qd2 Rb8 20. Rc2 Na5 21. 0-0 Nb3 22. Qd1 Nb6 23. Bb1 Bd7 24. Ra2 Qe7 25. g4 a5 26. Ng3 a4 27. h4 a3 28. h5 Ba4 29. Qe2 Be8 30. g5 Na4 31. Qd1 Na5 32. Nh4 Rxb1 33. Qxb1 Nxc3 34. Qc2 Nxa2 35. Qxa2 Qb4 36. Rb1 Nb3 37. hxg6 fxg6 38. Qe2 a2 39. Qxa2 Qc3 40. Ng2 hxg5 41. Ne2 Qd3 42. Rf1 g4 43. Kf2 1-0

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.23"]
[Round "5"]
[White "Snihur, Piotr"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C45"]
[BlackElo "1710"]
[PlyCount "25"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Ne5 5. Be2 d6 6. 0-0 Be7 7. c4 Nf6 8. Nc3 c6 9. f4 Ng6 10. Kh1 h5 11. Nc2 Nd7 12. b3 Qc7 13. Bb2 1-0

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.22"]
[Round "4"]
[White "Marszalek, Jakub"]
[Black "Ratajczyk, Rafal"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1710"]
[BlackElo "1880"]
[PlyCount "96"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Nf3 Bd6 5. Ng3 Nc6 6. Bb5 a6 7. Be2 Nce7 8. Bc4 b5 9. Bb3 Nf6 10. h3 0-0 11. 0-0 Bd7 12. d3 Ng6 13. Bg5 h6 14. Bd2 Qc8 15. Kh2 c5 16. Qe2 Re8 17. c3 Nf4 18. Bxf4 exf4 19. Nh1 c4 20. Bc2 cxd3 21. Bxd3 Bc6 22. Kg1 Bxe4 23. Rfe1 Bxd3 24. Qxd3 Rxe1+ 25. Rxe1 Qd7 26. Nxd4 Re8 27. Re2 Be5 28. Kf1 Bxd4 29. Rxe8+ Nxe8 30. cxd4 Qc6 31. Qc3 Qe6 32. a3 Nf6 33. f3 Nd5 34. Qd2 Ne3+ 35. Kg1 Qc4 36. Qe1 Qxd4 37. Nf2 Qxb2 38. h4 Qf6 39. Ng4 Qd4 40. Kh1 Qd1 41. Qxd1 Nxd1 42. Ne5 Nb2 43. Kg1 Nc4 44. Nxc4 bxc4 45. Kf2 Kf8 46. Ke2 Ke7 47. Kd2 Kd6 48. Kc3 Kc5 0-1

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.21"]
[Round "3"]
[White "Miklaszewicz, Michal"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1815"]
[BlackElo "1710"]
[PlyCount "87"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Be7 4. c3 Nf6 5. d4 d6 6. d5 Nb8 7. Bd3 Nbd7 8. h3 Nc5 9. Qc2 Bd7 10. Be3 Nxd3+ 11. Qxd3 a6 12. Nbd2 0-0 13. 0-0-0 c5 14. dxc6 bxc6 15. Bg5 Qa5 16. Bxf6 gxf6 17. Nc4 Qxa2 18. Nxd6 Be6 19. Qb1 Qa4 20. Nf5 Bc5 21. Rd2 Rab8 22. Qc2 Bb3 23. Qd3 Qa5 24. Nh2 Kh8 25. Ng4 Rbd8 26. Qb1 Rxd2 27. Kxd2 Rd8+ 28. Ke2 Qb5+ 29. Kf3 Rd2 30. Re1 Bc4 31. b4 Bb6 32. Qc1 Be2+ 33. Kg3 Qd3+ 34. f3 h5 35. Nxf6 Bf2+ 36. Kh2 Bxe1 37. Qxe1 Bxf3 38. Nh4 Bd1 39. Qg1 Qd8 40. Qe3 Qxf6 41. Qxd2 Qxh4 42. Qxd1 Qf4+ 43. Kh1 Qg5 44. Qd6 1/2-1/2

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.20"]
[Round "2"]
[White "Marszalek, Jakub"]
[Black "Jozkow, Kacper"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1710"]
[PlyCount "33"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 e6 3. e5 f6 4. Nf3 Nd7 5. d4 c5 6. Be3 Qb6 7. Na4 Qa5+ 8. c3 cxd4 9. Nxd4 fxe5 10. Nxe6 Kf7 11. Ng5+ Ke8 12. b4 Qc7 13. Qxd5 Nb6 14. Bb5+ Bd7 15. Qf7+ Kd8 16. Qxf8+ Be8 17. Qxe8# 1-0

[Event "Polanica Zdroj op-C 44th"]
[Site "Polanica Zdroj"]
[Date "2008.08.19"]
[Round "1"]
[White "Zielinski, Marcin"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "1710"]
[PlyCount "50"]
[EventDate "2008.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. Nf3 a6 4. d5 Nce7 5. Nxe5 d6 6. Nf3 Ng6 7. Bd3 Be7 8. Nc3 Bf6 9. Bd2 N8e7 10. h3 Bd7 11. 0-0 0-0 12. Qe2 Ne5 13. Nxe5 dxe5 14. f4 exf4 15. e5 Bg5 16. Bxf4 Bxf4 17. Rxf4 Ng6 18. Bxg6 hxg6 19. Raf1 Qe7 20. Re1 Qg5 21. Rf3 Rae8 22. Qe3 Qe7 23. Kh1 Bf5 24. g4 Bd7 25. Qf4 Qc5 1/2-1/2

[Event "Kochan Memorial op 19th"]
[Site "Koszalin"]
[Date "2008.08.05"]
[Round "2"]
[White "Marszalek, Jakub"]
[Black "Wozniak, Marcin"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1710"]
[BlackElo "1944"]
[PlyCount "88"]
[EventDate "2008.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 e5 2. Nc3 Nc6 3. e4 Nf6 4. Bb5 Bb4 5. 0-0 d6 6. d3 Bxc3 7. bxc3 Bg4 8. a4 0-0 9. Re1 h6 10. Qe2 Ne7 11. d4 Ng6 12. Qd3 c6 13. Bc4 d5 14. exd5 e4 15. Rxe4 Bf5 16. Re8 Bxd3 17. Rxd8 Bxc4 18. Rxa8 Rxa8 19. d6 Ne4 20. Ba3 Nf4 21. h3 Rd8 22. Ne5 Be6 23. Rb1 Ne2+ 24. Kf1 Nd2+ 25. Kxe2 Nxb1 26. Bb4 a5 27. Bxa5 Rxd6 28. Bb4 c5 29. Bxc5 Ra6 30. Bb4 Rxa4 31. g4 Na3 32. Kd3 h5 33. f3 Kh7 34. Kd2 hxg4 35. fxg4 Nc4+ 36. Nxc4 Bxc4 37. Ke3 Ra1 38. h4 Rg1 39. Kf4 Be6 40. d5 Bxd5 41. Bc5 Rg2 42. Ke5 Bc6 43. g5 Rh2 44. Be7 Kg6 0-1

[Event "Pszczyna op 4th"]
[Site "Pszczyna"]
[Date "2008.07.18"]
[Round "6"]
[White "Mandla, Maciej"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1695"]
[BlackElo "1710"]
[PlyCount "71"]
[EventDate "2008.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e5 4. Be3 d6 5. c3 Nf6 6. h3 Ne7 7. Be2 h6 8. Na3 g5 9. Nh2 Ng6 10. Qd2 Nf4 11. Bxf4 gxf4 12. 0-0-0 h5 13. Kb1 Bh6 14. f3 a6 15. d4 Be6 16. dxe5 dxe5 17. Qxd8+ Rxd8 18. Rxd8+ Kxd8 19. Bc4 b5 20. Rd1+ Ke7 21. Bxe6 Kxe6 22. Nf1 h4 23. Nc2 Nd7 24. b4 c4 25. a4 Rb8 26. Na3 Bf8 27. axb5 a5 28. Nxc4 a4 29. Rd5 Nb6 30. Nxb6 Rxb6 31. Nd2 Rd6 32. Rxd6+ Bxd6 33. Ka2 f5 34. exf5+ Kxf5 35. Ka3 Ke6 36. Kxa4 1-0

[Event "Pszczyna op 4th"]
[Site "Pszczyna"]
[Date "2008.07.17"]
[Round "4"]
[White "Fraczek, Leslaw"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1937"]
[BlackElo "1710"]
[PlyCount "61"]
[EventDate "2008.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 c6 2. c4 e6 3. Nc3 d6 4. e4 Nd7 5. Be3 Be7 6. Qd2 Qa5 7. Nf3 Bf6 8. 0-0-0 Ne7 9. g4 Ng6 10. h4 e5 11. g5 Be7 12. Kb1 exd4 13. Nxd4 Nde5 14. f4 Ng4 15. Bg1 h5 16. Nb3 Qc7 17. Bd4 0-0 18. Be2 a5 19. Na4 Bd7 20. f5 N6e5 21. Bxe5 Nxe5 22. Bxh5 Nxc4 23. Qe2 d5 24. Bg6 Ne5 25. Qh5 fxg6 26. fxg6 Nxg6 27. Qxg6 Qe5 28. Qh5 Be8 29. Qe2 Bb4 30. Qc2 Rf4 31. exd5 1-0

[Event "Pszczyna op 4th"]
[Site "Pszczyna"]
[Date "2008.07.17"]
[Round "5"]
[White "Marszalek, Jakub"]
[Black "Karcz, Bartlomiej"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1710"]
[BlackElo "1856"]
[PlyCount "82"]
[EventDate "2008.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nc3 Nf6 2. Nf3 Nc6 3. e4 e5 4. a3 Be7 5. Bc4 Nxe4 6. Nd5 d6 7. d3 Nf6 8. 0-0 Bg4 9. Ne3 Bh5 10. c3 Qd7 11. b4 d5 12. b5 dxc4 13. bxc6 Qxc6 14. Nxe5 Bxd1 15. Nxc6 Be2 16. Re1 cxd3 17. Nxe7 Kxe7 18. Nf5+ Kd7 19. Be3 Bg4 20. Ng3 Rad8 21. f3 Be6 22. Rab1 Kc8 23. Red1 Rhe8 24. Bd4 Bc4 25. Kf2 Nd5 26. Ne4 f5 27. Nd2 Re2+ 28. Kg1 Ba6 29. Nf1 Nf4 30. Bf2 Rc2 31. Ng3 d2 32. Be3 Ne2+ 33. Nxe2 Bxe2 34. Kf2 Bxd1 35. Rxd1 Rxc3 36. Bxd2 Rxa3 37. Ke2 Ra2 38. Ke1 Raxd2 39. Rxd2 Rxd2 40. Kxd2 Kd7 41. Kd3 c5 0-1

[Event "Pszczyna op 4th"]
[Site "Pszczyna"]
[Date "2008.07.16"]
[Round "3"]
[White "Marszalek, Jakub"]
[Black "Zahorodny, Zbigniew"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1710"]
[PlyCount "73"]
[EventDate "2008.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nc3 d6 2. e4 c5 3. Bc4 Nf6 4. d3 g6 5. h3 a6 6. Nf3 Bg7 7. Ne2 Nc6 8. a3 0-0 9. c3 b5 10. Ba2 Bb7 11. 0-0 e6 12. Ng3 Qc7 13. Bg5 h6 14. Be3 Rad8 15. Qe2 Na5 16. b4 cxb4 17. cxb4 Nc6 18. Rac1 Nd7 19. Nh2 Kh7 20. h4 f5 21. f4 Rde8 22. Nf3 e5 23. Qd2 exf4 24. Bxf4 fxe4 25. Nxe4 Qb6+ 26. Kh1 Nce5 27. h5 gxh5 28. Bb1 Bxe4 29. dxe4 Nc4 30. e5+ Kh8 31. Qd3 Kg8 32. Qh7+ Kf7 33. Bxh6 Ke7 34. Bxg7 Rf7 35. Bf6+ Nxf6 36. exf6+ Ke6 37. Qf5# 1-0

[Event "Pszczyna op 4th"]
[Site "Pszczyna"]
[Date "2008.07.15"]
[Round "2"]
[White "Jacko, Vladimir1"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1930"]
[BlackElo "1710"]
[PlyCount "86"]
[EventDate "2008.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 e5 5. cxd4 exd4 6. Bc4 Be7 7. 0-0 d6 8. Nxd4 Nf6 9. Nc3 Ne5 10. Bb5+ Bd7 11. Nf5 0-0 12. Bxd7 Qxd7 13. Bg5 Rfd8 14. Nxe7+ Qxe7 15. Nd5 Qe6 16. Nc7 Qe7 17. Nxa8 Rxa8 18. Qd4 h6 19. Bxf6 Qxf6 20. Rad1 Qh4 21. Qxd6 Re8 22. f3 Ng6 23. Qg3 Qf6 24. Rd2 Re5 25. Qf2 Nf4 26. Kh1 h5 27. g3 Ng6 28. Qd4 Qa6 29. Re1 Re8 30. Qd7 Rf8 31. Qf5 h4 32. Red1 Qb6 33. b3 hxg3 34. hxg3 Re8 35. Qg5 Ne7 36. Kg2 Nc6 37. Rh1 Re5 38. Qh4 f6 39. Qh8+ Kf7 40. Qc8 Re7 41. Rh8 Qa5 42. Rf8+ Kg6 43. Rd5 Qd2+ 1-0

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.22"]
[Round "9.30"]
[White "Krolik, Wladyslaw"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1738"]
[BlackElo "1720"]
[PlyCount "36"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e6 3. d3 c6 4. e3 Nd7 5. Nd2 Be7 6. Ne2 Ngf6 7. b3 Ne5 8. Bb2 Ng6 9. a3 0-0 10. 0-0 Ng4 11. h3 Nh6 12. Nf3 f5 13. Qd2 Bf6 14. c3 e5 15. Rad1 Be6 16. Qc2 Qc8 17. Kh2 Qc7 18. e4 f4 1/2-1/2

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.21"]
[Round "8.31"]
[White "Marszalek, Jakub"]
[Black "Murawko, Julia"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1720"]
[BlackElo "1505"]
[PlyCount "28"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. e4 Nf6 4. a3 d5 5. exd5 Nxd5 6. Ne4 Bf5 7. Ng3 Bg6 8. Bb5 Bd6 9. d3 0-0 10. c3 Re8 11. 0-0 Bf8 12. Ne4 f5 13. Bc4 Kh8 14. Ned2 Nf4 0-1

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.20"]
[Round "7.26"]
[White "Kumala, Aleksander"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1880"]
[BlackElo "1720"]
[PlyCount "105"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bc4 a6 7. Qh5 g6 8. Qf3 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nc7+ Qxc7 12. Qxf6 0-0 13. Nc3 Nb4 14. Bb3 b5 15. 0-0-0 Bb7 16. a3 Nxc2 17. Bxc2 Rad8 18. Kb1 b4 19. axb4 Qc4 20. h4 Qe6 21. Qxe6 fxe6 22. f3 Rf7 23. Bb3 Re7 24. Na4 Bc8 25. Nb6 Bb7 26. Rd2 Kg7 27. Rhd1 d5 28. exd5 exd5 29. Bxd5 Kf6 30. Bxb7 Rxd2 31. Rxd2 Rxb7 32. Nd5+ Ke6 33. Kc2 Rd7 34. Nc3 Rb7 35. Kb3 Rf7 36. Ne4 Ra7 37. Ka4 Kf5 38. Rd6 Kf4 39. Ka5 Rc7 40. Nc3 Kg3 41. Kxa6 Kxg2 42. b5 Kxf3 43. b6 Rc8 44. b7 Re8 45. Ka7 Kg4 46. b8Q Rxb8 47. Kxb8 Kxh4 48. b4 Kg5 49. b5 h5 50. b6 h4 51. b7 h3 52. Kc7 Kf5 53. b8Q 1-0

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.19"]
[Round "6.30"]
[White "Marszalek, Jakub"]
[Black "Opolski, Wojciech"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1720"]
[BlackElo "1748"]
[PlyCount "43"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Ng3 Nf6 5. Bc4 Be7 6. d3 h6 7. h3 0-0 8. Nf3 Nc6 9. a3 Bd6 10. Bd2 Ne7 11. Nh4 Be6 12. Qf3 Bxc4 13. dxc4 Qd7 14. 0-0 Rad8 15. Rad1 Qe6 16. b3 a6 17. Nhf5 Kh7 18. b4 Ng6 19. Ne2 Kh8 20. a4 a5 21. c5 Be7 22. c3 1-0

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.17"]
[Round "5.28"]
[White "Marszalek, Jakub"]
[Black "Salamon, Jan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1720"]
[BlackElo "1892"]
[PlyCount "24"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 c5 4. Ng3 Nc6 5. a3 a6 6. b3 e6 7. Nf3 Nf6 8. d3 Be7 9. Be2 0-0 10. 0-0 Qc7 11. Bg5 b6 12. Bxf6 Bxf6 0-1

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.17"]
[Round "4.31"]
[White "Zatylny, Jan"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1764"]
[BlackElo "1720"]
[PlyCount "25"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[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. e4 Nf6 4. Nf3 e6 5. a3 Nbd7 6. b4 Be7 7. Bb2 0-0 8. Be2 Nxe4 9. 0-0 Nd6 10. Re1 Re8 11. Nbd2 Rb8 12. Qc2 Nf5 13. Nb3 0-1

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.16"]
[Round "3.29"]
[White "Krawczyk, Zbigniew"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1783"]
[BlackElo "1720"]
[PlyCount "59"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. e3 Nc6 7. Bb5 Bg4 8. h3 Be6 9. Ne5 Qb6 10. Bxc6+ bxc6 11. 0-0 c4 12. Re1 Be7 13. Na4 Qc7 14. Bd2 0-0 15. Qc2 Ne4 16. Nc3 f5 17. b3 Nxd2 18. Qxd2 Bf6 19. bxc4 dxc4 20. f4 Rfd8 21. Qe2 Bxe5 22. fxe5 Qa5 23. Rec1 Rd7 24. Rab1 Rad8 25. Qf3 c5 26. Qc6 Bd5 27. Qxc5 Qa6 28. Nxd5 Rxd5 29. Qxc4 Qxc4 30. Rxc4 1-0

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.15"]
[Round "2.27"]
[White "Marszalek, Jakub"]
[Black "Mokwa, Marek"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1720"]
[BlackElo "1914"]
[PlyCount "52"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nf6 3. Nf3 Nc6 4. a3 d5 5. exd5 Nxd5 6. Ne4 f5 7. Nc3 e4 8. Ng1 Bc5 9. Nh3 Be6 10. Bb5 0-0 11. Bxc6 bxc6 12. d3 e3 13. d4 exf2+ 14. Nxf2 Nxc3 15. bxc3 Bc4 16. Bf4 Re8+ 17. Kd2 Bxd4 18. Nd3 Bf6 19. Re1 Qd5 20. Qf3 Qa5 21. Nb4 Rad8+ 22. Qd3 Bxd3 23. cxd3 Rxe1 24. Rxe1 Qxa3 25. Be5 Qb2+ 26. Nc2 Bg5+ 0-1

[Event "Rowy op-A 17th"]
[Site "Rowy"]
[Date "2008.06.14"]
[Round "1.21"]
[White "Miechowicz, Witold"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1989"]
[BlackElo "1720"]
[PlyCount "65"]
[EventDate "2008.06.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 cxd4 5. cxd4 d5 6. e5 Nge7 7. Bd3 Ng6 8. a3 Be7 9. Nc3 Bd7 10. 0-0 a6 11. Ne2 Rc8 12. b4 Na7 13. Re1 Bb5 14. Bb1 Bd7 15. Bd2 Nb5 16. Qb3 Na7 17. Ng3 0-0 18. Nh5 f5 19. exf6 Bxf6 20. Bxg6 hxg6 21. Nf4 g5 22. Nxe6 Bxe6 23. Rxe6 Nb5 24. Qd3 Nd6 25. Re2 Ne4 26. Ne5 Re8 27. Ng4 Qd6 28. Rae1 Kf7 29. f3 Nxd2 30. Qxd2 Rxe2 31. Rxe2 Rc4 32. Ne5+ Bxe5 33. Rxe5 1-0

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.13"]
[Round "7"]
[White "Dabrowski, Jan"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "B32"]
[BlackElo "1720"]
[PlyCount "75"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bc4 a6 7. N5c3 h6 8. Be3 Nf6 9. 0-0 Be7 10. Nd2 0-0 11. Nd5 Nxd5 12. Bxd5 Nb8 13. f4 exf4 14. Bxf4 Nd7 15. Qf3 Nf6 16. Bb3 Bg4 17. Qg3 Kh7 18. Qd3 Kh8 19. Qe3 Kh7 20. Qd3 Bh5 21. Nf3 Ng4 22. h3 Qb6+ 23. Qd4 Qxd4+ 24. Nxd4 Ne5 25. Nf5 Nc6 26. Nxe7 Nxe7 27. Bxd6 Rfe8 28. Bxf7 Bxf7 29. Rxf7 Ng6 30. Rxb7 Rxe4 31. Rf1 Rd8 32. Bb4 Nf4 33. Bc3 Ne2+ 34. Kh2 Nxc3 35. bxc3 Rd6 36. Rff7 Rg6 37. Rf2 Ra4 38. Rb2 1/2-1/2

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.12"]
[Round "6"]
[White "Marszalek, Jakub"]
[Black "Dus, Leszek"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1720"]
[BlackElo "1927"]
[PlyCount "104"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nc3 f5 2. Nf3 Nf6 3. d3 e6 4. a3 Bc5 5. e3 0-0 6. b4 Be7 7. Ne2 c5 8. c3 b6 9. Ng3 Bb7 10. Be2 f4 11. exf4 Nd5 12. Ne4 Nxf4 13. Bxf4 Rxf4 14. Qd2 Qf8 15. Qe3 Na6 16. 0-0 Nc7 17. Ne5 Rd8 18. c4 d5 19. Ng3 a6 20. Bf3 Bg5 21. Qe2 Rh4 22. Rab1 Ba8 23. b5 axb5 24. cxb5 Qe8 25. a4 Rxa4 26. Qc2 Ra5 27. Bh5 g6 28. Bg4 Bf6 29. Nf3 Rxb5 30. h4 Rxb1 31. Rxb1 Qc6 32. Qd2 Kg7 33. Bh3 b5 34. Qf4 Qd6 35. Qg4 Kh8 36. h5 Rg8 37. Re1 b4 38. Ng5 Bxg5 39. Qxg5 e5 40. h6 Ne8 41. Qxe5+ Qxe5 42. Rxe5 b3 43. Re1 Nf6 44. f4 c4 45. dxc4 dxc4 46. Be6 Re8 47. Kf1 b2 48. f5 c3 49. fxg6 hxg6 50. Ne2 c2 51. Nf4 c1Q 52. Nxg6+ Kh7 0-1

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.11"]
[Round "5"]
[White "Jonhede, Marko"]
[Black "Marszalek, Jakub"]
[Result "1/2-1/2"]
[ECO "D53"]
[BlackElo "1720"]
[PlyCount "131"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Be7 7. Rc1 Nf8 8. Bd3 Ng6 9. 0-0 0-0 10. Nh4 Bd7 11. a3 Be8 12. b4 a6 13. Qb3 dxc4 14. Bxc4 Nd5 15. Nxg6 hxg6 16. Bxe7 Qxe7 17. e4 Nf4 18. Ne2 g5 19. Qf3 Ng6 20. g3 b5 21. Ba2 Rd8 22. Rc5 Bd7 23. Qh5 Be8 24. Qxg5 f6 25. Qg4 Bf7 26. Rxc6 Nh8 27. Bxe6 Rfe8 28. Bxf7+ Nxf7 29. Rxa6 Ng5 30. f3 Qb7 31. Ra5 Ne6 32. Qf5 Rxd4 33. Nxd4 Qb6 34. Rd1 Nxd4 35. Qd5+ Ne6+ 36. Kg2 Qe3 37. Qd2 Qb6 38. Qf2 Qc6 39. Rd5 Rb8 40. Qd2 Rb6 41. Ra7 Kh8 42. Rad7 Qa8 43. R5d6 Rxd6 44. Qxd6 Qg8 45. Qd5 Qe8 46. g4 Nf4+ 47. Kg3 Nxd5 48. Rxd5 Qb8+ 49. f4 Qa7 50. Kh4 Qf2+ 51. Kh3 Qf3+ 52. Kh4 Qxf4 53. Kh3 Qxe4 54. Rh5+ Kg8 55. Rc5 g5 56. Rc3 Kg7 57. Rg3 Kg6 58. Rc3 Qd4 59. Rf3 Qd1 60. Kg2 Qe2+ 61. Kg3 Qe1+ 62. Kg2 Qe4 63. h3 Kf7 64. Kg3 Ke6 65. Kg2 Kd5 66. Kg3 1/2-1/2

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.10"]
[Round "4"]
[White "Marszalek, Jakub"]
[Black "Siemaszko, Robert"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1720"]
[PlyCount "104"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nc3 g6 2. e4 Bg7 3. Bc4 d6 4. Nf3 Nf6 5. d3 0-0 6. Bg5 Nc6 7. a3 Bg4 8. h3 Bxf3 9. Qxf3 Ne5 10. Qe3 Nxc4 11. dxc4 c6 12. 0-0 Qb6 13. Qd2 Qc5 14. b3 Rfe8 15. Be3 Qa5 16. b4 Qc7 17. Rad1 Rad8 18. Bg5 Nd7 19. f4 Nb6 20. Qd3 c5 21. b5 Bd4+ 22. Kh1 Rd7 23. Nd5 Nxd5 24. exd5 Bf6 25. Bh6 e5 26. f5 Qd8 27. Qg3 Kh8 28. Qg4 g5 29. Rf3 Rg8 30. a4 b6 31. Rg3 Re7 32. Qh5 Rb7 33. Re1 Qe7 34. Re4 Rbb8 35. Reg4 Rbe8 36. h4 gxh4 37. Rxg8+ Rxg8 38. Rxg8+ Kxg8 39. Qg4+ Kh8 40. Qe4 Bg5 41. Bxg5 Qxg5 42. Kh2 Kg7 43. Qf3 Qg3+ 44. Qxg3+ hxg3+ 45. Kxg3 Kf6 46. Kg4 h5+ 47. Kxh5 Kxf5 48. Kh4 Kf4 49. Kh3 e4 50. Kh2 f5 51. Kg1 Ke3 52. Kf1 Kd2 0-1

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.09"]
[Round "3"]
[White "Marszalek, Jakub"]
[Black "Palczynski, Adrian"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1720"]
[PlyCount "55"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nc3 Nf6 2. Nf3 Nc6 3. e4 e5 4. a3 Bc5 5. Bc4 Ng4 6. 0-0 0-0 7. d3 h6 8. Ne2 Re8 9. Ng3 d6 10. h3 Nf6 11. Re1 Be6 12. c3 Bxc4 13. dxc4 a6 14. Nh4 Ne7 15. Qf3 Ng6 16. Nhf5 b5 17. cxb5 axb5 18. Bd2 d5 19. Rad1 c6 20. Bc1 Ra7 21. Nh5 Nxh5 22. Qxh5 Rd7 23. Bxh6 gxh6 24. Nxh6+ Kg7 25. Nf5+ Kg8 26. Qg4 dxe4 27. Rxd7 Qxd7 28. Nh6+ 1-0

[Event "Koszalin op"]
[Site "Koszalin"]
[Date "2008.06.08"]
[Round "2"]
[White "Lenda, Lukasz"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1927"]
[BlackElo "1720"]
[PlyCount "91"]
[EventDate "2008.06.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 c6 3. e3 Nd7 4. c4 e6 5. Nf3 Ngf6 6. a3 Be7 7. Qc2 Nf8 8. Nc3 Bd7 9. d4 a6 10. c5 Ng6 11. Bd3 a5 12. 0-0 Ng4 13. h3 Nh6 14. Rfe1 0-0 15. Na4 Be8 16. Nb6 Ra7 17. e4 Nf4 18. Bf1 f5 19. exd5 exd5 20. g3 Nh5 21. Bd3 g6 22. Kg2 Nf7 23. Qe2 Bf6 24. b5 Ng7 25. a4 Ng5 26. Ne5 Ne4 27. f3 Ng5 28. h4 Nf7 29. f4 Nh6 30. Bc3 Bxh4 31. gxh4 Nh5 32. Qf2 Ng4 33. Nxg4 fxg4 34. Bd2 g3 35. Qf3 Qxh4 36. Rh1 Nxf4+ 37. Bxf4 Qxf4 38. Qxf4 Rxf4 39. Rae1 Bf7 40. Rhf1 Rxd4 41. Re7 Rxd3 42. Rfxf7 cxb5 43. Rg7+ Kh8 44. Rxh7+ Kg8 45. Rhg7+ Kf8 46. Nd7# 1-0

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.16"]
[Round "9.14"]
[White "Ossowski, Boleslaw"]
[Black "Marszalek, Jakub"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1739"]
[BlackElo "1772"]
[PlyCount "35"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nd5 Bxd5 9. exd5 Nd4 10. c3 Nf5 11. Bd3 g6 12. 0-0 Nf6 13. f3 Be7 14. Qb3 Qc7 15. Qa4+ Kf8 16. Bxf5 gxf5 17. Bh6+ Kg8 18. Qh4 1-0

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.15"]
[Round "8.10"]
[White "Marszalek, Jakub"]
[Black "Zarow, Zdzislaw"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "1980"]
[PlyCount "55"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Nf3 Nf6 5. Ng3 Nc6 6. Bb5 Bd6 7. a3 Bd7 8. Bc4 Ne7 9. Ng5 0-0 10. Nh5 Ng6 11. g3 b5 12. Be2 Nxh5 13. d3 Nf6 14. h4 h6 15. h5 Nh8 16. Nf3 Bg4 17. Nh4 Qd7 18. f3 Bxh5 19. Bd2 Bg6 20. Qc1 Rfe8 21. g4 Bf8 22. Nf5 Bxf5 23. gxf5 a5 24. Kf2 Ra6 25. Qg1 Kh7 26. Qg3 Ng8 27. Bf1 Qc6 28. Re1 0-1

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.14"]
[Round "7.16"]
[White "Panek, Tadeusz"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1992"]
[BlackElo "1772"]
[PlyCount "65"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 c5 3. Nbd2 Nf6 4. g3 Nc6 5. Bg2 e6 6. 0-0 Be7 7. e4 Qc7 8. Qe2 0-0 9. Re1 Bd7 10. e5 Ne8 11. Nf1 f6 12. exf6 Nxf6 13. c3 Rae8 14. Bf4 Bd6 15. Bxd6 Qxd6 16. d4 cxd4 17. Nxd4 Ne4 18. Bxe4 dxe4 19. Qxe4 e5 20. Nb3 Bf5 21. Qc4+ Kh8 22. Ne3 Be6 23. Qc5 Qd8 24. Rad1 Qf6 25. Nd5 Qf7 26. Nb4 Nd4 27. Rf1 b6 28. Qd6 Rd8 29. Qxd8 Rxd8 30. cxd4 Bh3 31. dxe5 Rc8 32. f4 Bxf1 33. Kxf1 0-1

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.13"]
[Round "6.18"]
[White "Marszalek, Jakub"]
[Black "Przybylowicz, Kazimierz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "1883"]
[PlyCount "65"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Nf3 Bd6 5. Ng3 Nf6 6. Bc4 0-0 7. d3 h6 8. 0-0 a6 9. Bb3 Bg4 10. h3 Bd7 11. Qe2 Nc6 12. a3 Ne7 13. Nh4 c5 14. Qf3 b5 15. Bxh6 Kh8 16. Bg5 Nh7 17. Bd2 Rc8 18. Nhf5 Bxf5 19. Nxf5 Nxf5 20. Qxf5 c4 21. dxc4 bxc4 22. Ba2 Qb6 23. b4 c3 24. Bg5 Qb5 25. h4 a5 26. bxa5 Qxa5 27. Bb3 Qa6 28. h5 Nxg5 29. Qxg5 Bb8 30. g3 d3 31. Kg2 d2 32. h6 Qxh6 33. Rh1 1-0

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.12"]
[Round "5.23"]
[White "Jurkiewicz, Kazimierz"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1772"]
[PlyCount "33"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. c4 c5 5. cxd5 exd5 6. Bb5+ Nc6 7. Nf3 cxd4 8. Nxd4 Bb4+ 9. Ke2 Bd7 10. a3 Nxd4+ 11. Qxd4 Bxb5+ 12. Kf3 Bd6 13. Nc3 Bc6 14. Bg5 Be7 15. g4 Qd7 16. h3 h6 17. Bf4 0-1

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.11"]
[Round "4.22"]
[White "Marszalek, Jakub"]
[Black "Dluski, Emil"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "1906"]
[PlyCount "42"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. Nf3 Bd6 5. Ng3 Ne7 6. Bc4 0-0 7. d3 Be6 8. Bxe6 fxe6 9. Ng5 Rf6 10. Bd2 Nd7 11. h4 h6 12. Nf3 Qf8 13. Qe2 c5 14. Nh2 b5 15. Ng4 Rf7 16. Bxh6 gxh6 17. Qd2 Rf4 18. f3 Kh7 19. Nh5 c4 20. 0-0 Rf7 21. Ng3 Nf6 0-1

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.10"]
[Round "2.19"]
[White "Marszalek, Jakub"]
[Black "Kawula, Andrzej"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "2091"]
[PlyCount "48"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 f5 2. g3 Nf6 3. Bg2 e5 4. d3 d5 5. e3 c6 6. Nf3 Bd6 7. 0-0 0-0 8. Ne2 Nbd7 9. c3 Qe8 10. Qa4 Nc5 11. Qc2 e4 12. dxe4 fxe4 13. Nfd4 Qh5 14. Nf4 Bxf4 15. exf4 Ng4 16. h4 Nd3 17. Be3 Qg6 18. Ne2 Nxe3 19. fxe3 Bg4 20. Kh2 Qh5 21. Ng1 Rf6 22. c4 Raf8 23. cxd5 cxd5 24. Qb3 Rb6 0-1

[Event "POL-ch Seniors 18th"]
[Site "Rowy"]
[Date "2007.09.10"]
[Round "3.24"]
[White "Spychalska, Bozena"]
[Black "Marszalek, Jakub"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "1772"]
[PlyCount "49"]
[EventDate "2007.09.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d6 4. d4 cxd4 5. cxd4 Qb6 6. Nc3 e6 7. Be2 Be7 8. 0-0 Nd7 9. b3 Bf6 10. Be3 Qa5 11. Rc1 Ne7 12. Qd2 Qd8 13. Bg5 Ng6 14. Qe3 0-0 15. e5 dxe5 16. dxe5 Ndxe5 17. Ne4 Nxf3+ 18. Bxf3 Bxg5 19. Nxg5 h6 20. Ne4 Nh4 21. Be2 Nf5 22. Qh3 Nd4 23. Qe3 f5 24. Nd2 Rf7 25. f4 0-1

