[Event "EU-ch rapid"]
[Site "Warsaw"]
[Date "2010.12.18"]
[Round "2"]
[White "Almasi, Zoltan"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2721"]
[BlackElo "2220"]
[PlyCount "61"]
[EventDate "2010.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Bxc6+ bxc6 7. d4 exd4 8. Qxd4 c5 9. Qd3 Be6 10. b3 Be7 11. Bb2 0-0 12. Ng5 h6 13. Nxe6 fxe6 14. Nd2 Qe8 15. f4 Nd7 16. Rae1 Qf7 17. Nc4 Nb6 18. Ne3 a5 19. a4 d5 20. Ng4 Nd7 21. f5 c4 22. Qg3 Bc5+ 23. Kh1 Kh7 24. f6 Bd6 25. Qh3 e5 26. exd5 Nxf6 27. Rxf6 gxf6 28. Nxh6 Qg6 29. Nf5+ Kg8 30. Re4 Kf7 31. Nxd6+ 1-0

[Event "EU-ch rapid"]
[Site "Warsaw"]
[Date "2010.12.18"]
[Round "6"]
[White "Berzinsh, Roland"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2427"]
[BlackElo "2220"]
[PlyCount "87"]
[EventDate "2010.12.18"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 d6 5. h3 Nf6 6. Nc3 0-0 7. 0-0 h6 8. a3 Nh7 9. Bb5 exd4 10. Nxd4 Nxd4 11. Qxd4 Bf6 12. Qd3 c6 13. Bc4 Re8 14. Bf4 Bxc3 15. bxc3 Ng5 16. Rfe1 Be6 17. Bb3 Qf6 18. Bg3 Rad8 19. f4 Nh7 20. f5 Bc8 21. Rf1 d5 22. e5 Rxe5 23. Bxe5 Qxe5 24. Qd4 Qd6 25. c4 dxc4 26. Qxc4 Qd4+ 27. Qxd4 Rxd4 28. Rad1 Rxd1 29. Rxd1 Bxf5 30. Rd8+ Nf8 31. Rb8 b5 32. g4 Be4 33. Rb7 Ne6 34. Rxa7 c5 35. Bxe6 fxe6 36. c3 Kf8 37. Kf2 e5 38. Rc7 c4 39. Rc5 Kf7 40. Rxb5 Ke6 41. a4 Kd6 42. a5 Bc6 43. Rb4 Kc5 44. a6 1-0

[Event "Warsaw AIG Life rapid 9th"]
[Site "Warsaw"]
[Date "2009.12.20"]
[Round "9"]
[White "Swiercz, Dariusz"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2493"]
[BlackElo "2220"]
[PlyCount "79"]
[EventDate "2009.12.19"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 Nbd7 8. Qxc4 c5 9. dxc5 Bxc5 10. Nc3 a6 11. a4 b5 12. Qh4 b4 13. Ne4 Bb7 14. Nxc5 Nxc5 15. Qxb4 Rc8 16. Be3 Nd5 17. Qa3 Nxe3 18. Qxe3 a5 19. Nd4 Qb6 20. Bxb7 Qxb7 21. Nb5 Rfd8 22. Rfc1 Qd5 23. Qc3 h6 24. Rd1 Qxd1+ 25. Rxd1 Rxd1+ 26. Kg2 Rdd8 27. Na7 Rc7 28. Qxa5 Rdd7 29. Nb5 Rb7 30. Qc3 Nxa4 31. Qc8+ Kh7 32. Qc2+ g6 33. Qxa4 Rd5 34. Nc3 Rd2 35. b3 Rb2 36. Ne4 R7xb3 37. Qe8 Rb7 38. Nd6 Ra7 39. Nxf7 Kg7 40. Qh8+ 1-0

[Event "Warsaw AIG Life rapid 8th"]
[Site "Warsaw"]
[Date "2008.12.20"]
[Round "3"]
[White "Jakubowski, Marcin"]
[Black "Vlassov, Nikolai"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2220"]
[BlackElo "2471"]
[PlyCount "46"]
[EventDate "2008.12.20"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Nc6 4. Nc3 Bb4 5. g3 d6 6. Bg2 e5 7. 0-0 Bxc3 8. bxc3 0-0 9. Qc2 Bg4 10. dxe5 dxe5 11. Ba3 Re8 12. Rfd1 Qc8 13. Ng5 Bf5 14. Qa4 e4 15. f3 exf3 16. exf3 h6 17. Ne4 Nxe4 18. fxe4 Bxe4 19. Re1 Bxg2 20. Kxg2 Qg4 21. Qb5 Re2+ 22. Rxe2 Qxe2+ 23. Kg1 Rd8 0-1

[Event "Warsaw AIG Life rapid 7th"]
[Site "Warsaw"]
[Date "2007.12.15"]
[Round "3"]
[White "Grabliauskas, Virginijus"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2433"]
[BlackElo "2220"]
[PlyCount "57"]
[EventDate "2007.12.15"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 exd5 6. cxd5 d6 7. e4 0-0 8. Bd3 Nbd7 9. Nge2 Qc7 10. 0-0 a6 11. Ng3 Re8 12. Bc2 c4 13. Kh1 Bc5 14. Nce2 Ne5 15. Bg5 Nfd7 16. Nf5 g6 17. Nh6+ Kg7 18. f4 Nd3 19. Bxd3 cxd3 20. Qxd3 f6 21. Rac1 fxg5 22. Qc3+ Ne5 23. fxe5 Kxh6 24. e6 Re7 25. b4 b6 26. bxc5 bxc5 27. Qf6 Bb7 28. Rc3 g4 29. Rg3 1-0

[Event "Warsaw AIG Life rapid 7th"]
[Site "Warsaw"]
[Date "2007.12.15"]
[Round "5"]
[White "Sergeev, Vladimir"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2507"]
[BlackElo "2220"]
[PlyCount "79"]
[EventDate "2007.12.15"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 d5 4. e3 Nbd7 5. Bd3 Be7 6. Nbd2 b6 7. 0-0 Bb7 8. c3 0-0 9. Ne5 Ne4 10. Bxe7 Qxe7 11. Nxd7 Qxd7 12. Nxe4 dxe4 13. Be2 Qe7 14. b4 Rfd8 15. Qc2 e5 16. a4 c5 17. dxc5 bxc5 18. b5 f5 19. Rfd1 f4 20. a5 Rac8 21. a6 Ba8 22. Bc4+ Kh8 23. Rxd8+ Rxd8 24. Rd1 h6 25. h3 Qg5 26. Rxd8+ Qxd8 27. Qc1 g5 28. Kf1 Kg7 29. Ke1 Kf6 30. Qd1 Qxd1+ 31. Kxd1 Ke7 32. Bg8 Kd6 33. c4 h5 34. g3 h4 35. g4 fxe3 36. fxe3 Kc7 37. Bd5 Bxd5 38. cxd5 Kb6 39. d6 c4 40. Ke1 1-0

[Event "Mazowieckie-chT op 0607 playoff"]
[Site "Poland"]
[Date "2007.02.25"]
[Round "10.1"]
[White "Jakubowski, Marcin"]
[Black "Kosny, Marek"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2229"]
[BlackElo "1971"]
[PlyCount "58"]
[EventDate "2006.10.22"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Qc2 a6 8. cxd5 exd5 9. Bd3 c6 10. 0-0 Re8 11. Rae1 Nf8 12. Ne5 g6 13. f4 Ne6 14. Bh6 Ng7 15. Bxg7 Kxg7 16. h3 c5 17. Qf2 Nh5 18. Nf3 Kg8 19. g4 Ng7 20. Rd1 b5 21. Bb1 Bb7 22. h4 cxd4 23. exd4 Rc8 24. h5 Qb6 25. hxg6 hxg6 26. Ne5 Qe6 27. f5 Qf6 28. fxg6 Qxf2+ 29. Rxf2 f6 1/2-1/2

[Event "POL-chT Mazovia 06/07 op"]
[Site "Poland"]
[Date "2007.02.25"]
[Round "10.1"]
[White "Kosny, Marek"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1971"]
[BlackElo "2229"]
[PlyCount "90"]
[EventDate "2006.10.22"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zielonka Zieloni Juniorzy II"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 f5 7. 0-0 Nf6 8. Rb1 a5 9. a3 0-0 10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. Nd5 Nfxd5 14. cxd5 Nxd5 15. Qb3 Be6 16. Ng5 hxg5 17. Bxd5 Bf7 18. Bxf7+ Rxf7 19. Qd5 Rb8 20. Bd2 g4 21. Ra1 f4 22. Ra4 g5 23. f3 gxf3 24. Rxf3 Qd7 25. Rc4 b6 26. Kg2 Rbf8 27. h3 Kh8 28. g4 Re8 29. Rf1 Bf6 30. Rfc1 Bd8 31. Bc3 Qe6 32. Qf3 Kg8 33. Ra1 d5 34. Rc6 Qd7 35. Ra4 Rf6 36. Ra8 Rxc6 37. bxc6 Qxc6 38. Rxd8 Rxd8 39. Bxe5 Re8 40. d4 Rxe5 41. dxe5 Qc4 42. h4 gxh4 43. Kh3 Qe4 44. Kxh4 Qxf3 45. exf3 d4 0-1

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.17"]
[Round "10"]
[White "Ajrapetjan, Yuriy"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2403"]
[BlackElo "2229"]
[PlyCount "99"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 d5 5. cxd5 exd5 6. g3 Be7 7. Bg2 0-0 8. 0-0 Bb7 9. Ne5 Re8 10. Qb3 Bf8 11. Bg5 c6 12. e4 Qd6 13. Bxf6 gxf6 14. Ng4 h5 15. e5 fxe5 16. dxe5 Rxe5 17. Nxe5 Qxe5 18. Rfe1 Qf6 19. Qd1 Qg6 20. Re5 h4 21. gxh4 f6 22. Re3 Kh8 23. Rg3 Qh7 24. Qd4 Nd7 25. Bh3 Ne5 26. Qf4 Qh6 27. Qxh6+ Bxh6 28. Ne2 Re8 29. Bf1 c5 30. f4 Nc4 31. Kf2 d4 32. Rg6 Bg7 33. Nxd4 Ne3 34. Bb5 Re7 35. Nf3 Nc2 36. Rc1 Bxf3 37. Rxc2 Be4 38. Re2 f5 39. Bd3 Bd4+ 40. Kg3 Kh7 41. h5 Kh8 42. Bxe4 fxe4 43. f5 e3 44. Kf3 b5 45. Re6 Rh7 46. h6 Rf7 47. Ke4 Kh7 48. b4 Rd7 49. f6 Kg6 50. Rg2+ 1-0

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.17"]
[Round "12"]
[White "Donchenko, Anatoly G"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2395"]
[BlackElo "2229"]
[PlyCount "222"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. c4 d5 7. cxd5 Nxd5 8. Bg5 Be7 9. Bxe7 Qxe7 10. dxc5 Qxc5 11. Nbd2 0-0 12. Rc1 Qe7 13. Ne5 f6 14. Nec4 Na6 15. a3 e5 16. b4 Rfd8 17. Qb3 Kh8 18. Rfd1 Rd7 19. Nf1 Rad8 20. Nfe3 Nac7 21. Nf5 Qe6 22. e4 Ne7 23. Rxd7 Rxd7 24. Nxe7 Qxe7 25. Ne3 g6 26. h4 Kg7 27. Qa4 a6 28. Nd5 Nxd5 29. exd5 Qd8 30. Rd1 b5 31. Qb3 Rd6 32. Rd2 h5 33. Bf3 Kf7 34. Bg2 Kg7 35. Kh2 Kf7 36. Qd1 f5 37. Qb3 e4 38. Qe3 Rxd5 39. Rxd5 Qxd5 40. Qb6 Qc6 41. Qd8 Ke6 42. Qg8+ Ke5 43. Qg7+ Kd5 44. Bf1 Bc8 45. Qb2 Qe6 46. Qd2+ Kc6 47. Qc3+ Kb7 48. Kg1 Qd6 49. Be2 Bd7 50. Qg7 Kb6 51. Qc3 Bc6 52. Qe3+ Kb7 53. Qc3 Kb6 54. Kf1 Kb7 55. Ke1 Kb6 56. Bd1 Kb7 57. Bb3 Kb6 58. Qe3+ Kb7 59. Qc3 Kb6 60. Ke2 Kb7 61. Ke3 Bd5 62. Qd4 Kc6 63. Qc3+ Kb7 64. Qg7+ Kc6 65. Qc3+ Kb6 66. Qd2 Kc6 67. Qc3+ Kb6 68. Qd4+ Kc6 69. Bd1 Bc4 70. Qxd6+ Kxd6 71. Kd4 Bf7 72. Be2 Be8 73. Bd1 Bf7 74. Bc2 Be6 75. Bd1 Bf7 76. Bc2 Be6 77. a4 bxa4 78. Bxa4 Bf7 79. Bd1 Be6 80. Be2 Bc8 81. Bc4 Ke7 82. Ke5 Bb7 83. Be2 Bc8 84. Bf1 Kf7 85. Kd6 Kf6 86. Kc7 Be6 87. Bxa6 g5 88. Be2 f4 89. Bxh5 f3 90. b5 g4 91. b6 e3 92. b7 e2 93. b8Q e1Q 94. Qh8+ Kf5 95. Qf8+ Ke4 96. Bg6+ Kd4 97. Qd6+ Kc3 98. Qc5+ Kd2 99. h5 Ke2 100. h6 Qd2 101. Qe5+ Kxf2 102. Qxe6 Qxh6 103. Qxg4 Qg7+ 104. Kd6 Qf6+ 105. Kd7 Kg1 106. Qf4 Qg7+ 107. Qf7 Qd4+ 108. Ke8 f2 109. g4 f1Q 110. g5 Qe5+ 111. Kf8 Qxf7+ 0-1

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.17"]
[Round "13"]
[White "Jakubowski, Marcin"]
[Black "Tomczak, Jacek"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2229"]
[BlackElo "2420"]
[PlyCount "52"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. a3 Nbd7 10. b4 Bd6 11. Bb2 a5 12. bxa5 Rxa5 13. Nbd2 Nb6 14. Be2 Ke7 15. Nb3 Ra8 16. Rfd1 Bd7 17. Bd4 Nbd5 18. Nc5 Bc8 19. a4 b6 20. Nb3 Bb4 21. Bb5 Bb7 22. Rac1 Rhc8 23. Ne5 Bc3 24. h3 Ne4 25. Bxc3 Nexc3 26. Rd4 f6 0-1

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.16"]
[Round "2"]
[White "Bologan, Viktor"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2659"]
[BlackElo "2229"]
[PlyCount "71"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Nf6 6. Bxc6+ bxc6 7. d4 exd4 8. Nxd4 Bd7 9. c4 c5 10. Nf3 Be7 11. Nc3 0-0 12. h3 Bc6 13. Re1 Nd7 14. Nd5 Bf6 15. Qc2 Re8 16. Bd2 Ne5 17. Nh2 Bxd5 18. exd5 Ng6 19. Rxe8+ Qxe8 20. Re1 Qd7 21. Ba5 h6 22. Nf3 Ne5 23. Nd2 Re8 24. Ne4 Bd8 25. Ng3 c6 26. Bc3 cxd5 27. cxd5 Ng6 28. Rxe8+ Qxe8 29. Nf5 Bf6 30. Bxf6 gxf6 31. Nxh6+ Kh7 32. Ng4 Qe1+ 33. Kh2 Kg7 34. Qf5 Qe7 35. Qh5 a5 36. f4 1-0

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.16"]
[Round "5"]
[White "Jakubowski, Marcin"]
[Black "Shkapenko, Pavel"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2229"]
[BlackElo "2382"]
[PlyCount "154"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ 9. Kf1 d5 10. a3 Qxc4 11. Qxc4 dxc4 12. e3 Bd7 13. a4 f6 14. Nbd2 Nxd2+ 15. Nxd2 Na5 16. Ke2 Rb8 17. Rhc1 Bc6 18. Bxc6+ bxc6 19. Rc2 Rb4 20. Rac1 Rxa4 21. Nxc4 Rxc4 22. Rxc4 Nxc4 23. Rxc4 Kd7 24. Ra4 Rb8 25. b4 Rb5 26. Kd3 Kc8 27. Kc4 Kb7 28. Ra1 Kb6 29. e4 e5 30. f4 exd4 31. Re1 d3 32. Kxd3 Rxb4 33. e5 fxe5 34. fxe5 Kc5 35. e6 Rb3+ 36. Kc2 Rb8 37. Rf1 Re8 38. Rf7 Rxe6 39. Rxg7 Re2+ 40. Kc3 Rxh2 41. Rxc7 Rh3 42. Rg7 a5 43. Rg5+ Kb6 44. Kc4 Rh6 45. Rf5 Rg6 46. Rf3 Rg4+ 47. Kb3 Kb5 48. Rf5+ c5 49. Rf3 a4+ 50. Ka3 Rg7 51. Re3 Kc4 52. Rf3 Rd7 53. Rf4+ Rd4 54. Rf7 Rd3+ 55. Kxa4 Rxg3 56. Rxh7 Kc3 57. Rc7 c4 58. Kb5 Rg5+ 59. Ka4 Rg8 60. Rc6 Ra8+ 61. Kb5 Kb3 62. Kc5 c3 63. Kd4 Rd8+ 64. Ke3 c2 65. Rb6+ Kc3 66. Rc6+ Kb2 67. Rb6+ Kc1 68. Ke2 Re8+ 69. Kf2 Re5 70. Rb7 Kd2 71. Rd7+ Kc3 72. Rc7+ Kd3 73. Kf3 Rf5+ 74. Kg4 Rf1 75. Rd7+ Ke3 76. Re7+ Kf2 77. Rf7+ Kg2 0-1

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.16"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Socko, Monika"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2229"]
[BlackElo "2473"]
[PlyCount "205"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 Bd7 9. Qc2 c5 10. Be2 g4 11. Nh4 Nxg3 12. hxg3 cxd4 13. exd4 Bxd4 14. Nf5 Bxf5 15. Qxf5 Bxc3+ 16. bxc3 Nc6 17. Bxg4 Ne5 18. Bh5 Qc8 19. Qc2 Qxc4 20. Rh4 Qd3 21. Qxd3 Nxd3+ 22. Ke2 Ne5 23. Kd2 e6 24. Be2 Ke7 25. Rah1 Rac8 26. Rxh6 Rxh6 27. Rxh6 Rc5 28. Rh4 Ra5 29. a4 a6 30. Rb4 Kf6 31. Bd1 b6 32. Bb3 Nd7 33. Bc2 Rd5+ 34. Ke3 a5 35. Rf4+ Ke7 36. Rd4 Rc5 37. Kd2 Ne5 38. Bb3 Nd7 39. Rh4 Rf5 40. f3 Nc5 41. Bc2 Rg5 42. g4 Nd7 43. f4 Rg8 44. g5 Nf8 45. g3 Rg7 46. Ke3 Nd7 47. Rh8 f6 48. gxf6+ Nxf6 49. Kf3 Nd5 50. Rb8 Kf6 51. c4 Nb4 52. Be4 Rc7 53. Rxb6 Ke7 54. Rb7 Rxb7 55. Bxb7 Nd3 56. Bc6 e5 57. Bb5 Nc5 58. g4 exf4 59. Kxf4 Kf6 60. g5+ Kf7 61. Kf5 Kg7 62. Bc6 Kf7 63. g6+ Kg7 64. Bb5 Nb7 65. Bd7 Nd8 66. Bb5 Nb7 67. Ke6 Kxg6 68. Kd5 Kf6 69. Kc6 Nc5 70. Kxd6 Ne4+ 71. Kc7 Ke5 72. Kb6 Kd6 73. Kxa5 Kc7 74. Kb4 Nd6 75. c5 Nc8 76. Bf1 Kb7 77. Bg2+ Ka6 78. Bh3 Ne7 79. Bf1+ Kb7 80. Kb5 Kc7 81. a5 Nc6 82. Bg2 Na7+ 83. Kc4 Kb8 84. Bf3 Kc7 85. Be4 Kb8 86. Bh1 Kc7 87. Bg2 Kb8 88. a6 Nc8 89. Bb7 Ne7 90. c6 Nf5 91. Kc5 Ne3 92. Kd6 Nc4+ 93. Kd7 Nb6+ 94. Kd8 Nd5 95. Kd7 Nb6+ 96. Kd6 Nc4+ 97. Kc5 Ne3 98. Kd4 Nd1 99. Kd5 Nb2 100. Kc5 Na4+ 101. Kd6 Nb6 102. c7+ Ka7 103. c8Q 1-0

[Event "Warsaw AIG Life rapid 6th"]
[Site "Warsaw"]
[Date "2006.12.16"]
[Round "8"]
[White "Sulypa, Oleksandr"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2478"]
[BlackElo "2229"]
[PlyCount "95"]
[EventDate "2006.12.16"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 115 Extra"]
[Source "ChessBase"]
[SourceDate "2007.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2007.01.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. d4 Nb6 9. e3 e5 10. d5 Na5 11. e4 c6 12. Bg5 f6 13. Be3 cxd5 14. Bxb6 axb6 15. Qxd5+ Kh8 16. Qxd8 Rxd8 17. Nd5 Rd6 18. Nc7 Rb8 19. Rad1 Bf8 20. Rxd6 Bxd6 21. Nd5 Kg7 22. Rd1 Bf8 23. Nxb6 Be6 24. a3 Nc6 25. h3 Re8 26. b4 Kf7 27. Bf1 Be7 28. Bc4 Bxc4 29. Nxc4 Ke6 30. Rd5 Ra8 31. Rb5 Ra7 32. Kf1 Bd8 33. Ke2 Bc7 34. Kd3 Nd8 35. Kc3 Ra6 36. Kb3 Rc6 37. a4 b6 38. Rd5 Nb7 39. Rd2 Nd6 40. Nxd6 Bxd6 41. Rd1 Be7 42. g4 f5 43. exf5+ gxf5 44. Re1 Kf6 45. g5+ Kg7 46. Rxe5 Kf7 47. Rxf5+ Kg6 48. Re5 1-0

[Event "POL-chT Mazovia 06/07 op"]
[Site "Poland"]
[Date "2006.12.03"]
[Round "4.9"]
[White "Rytarowski, Kamil"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2008"]
[BlackElo "2229"]
[PlyCount "88"]
[EventDate "2006.10.22"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zielonka Zieloni Juniorzy II"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. g3 0-0 6. Bg2 dxc4 7. 0-0 Nbd7 8. e4 Nb6 9. h3 h6 10. Qe2 Nfd7 11. Rd1 e6 12. Bf4 g5 13. Be3 f5 14. exf5 exf5 15. Ne5 f4 16. Bc1 Nxe5 17. dxe5 Qe7 18. Nd5 Qxe5 19. Qxe5 Bxe5 20. gxf4 gxf4 21. Ne7+ Kg7 22. Nxc8 Raxc8 23. Bxb7 Rcd8 24. Re1 Kf6 25. Rb1 Rd3 26. f3 Rg8+ 27. Kh2 Rgd8 28. Kg2 R3d4 29. Be4 Nd5 30. Re2 Rd1 31. Bc2 Rd4 32. Be4 Nb4 33. a3 Na6 34. b4 c3 35. Rc2 Rd1 36. Bb7 Rg8+ 37. Kh2 Bd4 38. Be3 Bxe3 39. Rxd1 Nb8 40. Rxc3 Rg7 41. Rc2 Re7 42. Be4 Bb6 43. Rd5 Nd7 44. Rf5+ Kg7 1-0

[Event "Warsaw AIG Life rapid"]
[Site "Warsaw"]
[Date "2005.12.18"]
[Round "12"]
[White "Jakubowski, Marcin"]
[Black "Hunt, Adam"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2229"]
[BlackElo "2431"]
[PlyCount "106"]
[EventDate "2005.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. e3 Bb7 5. Bd3 c5 6. 0-0 Be7 7. Nbd2 0-0 8. b3 cxd4 9. Nxd4 d5 10. Bb2 dxc4 11. Bxc4 Nbd7 12. N2f3 Nc5 13. Qe2 a6 14. Rfd1 Qb8 15. a4 Bd6 16. h3 Qc7 17. Rac1 Qe7 18. Nc2 Nfe4 19. Nce1 b5 20. axb5 axb5 21. b4 bxc4 22. bxc5 Bxc5 23. Qxc4 Bd5 24. Qe2 Ra2 25. Nd3 Bd6 26. Nd2 Qg5 27. Nxe4 Bxe4 28. f4 Qb5 29. Rd2 Be7 30. Nf2 Qxe2 31. Rxe2 Bg6 32. Kf1 h5 33. Bd4 Rfa8 34. e4 Bh4 35. Rce1 Bg3 36. f5 exf5 37. exf5 Bxf5 38. Re8+ Rxe8 39. Rxe8+ Kh7 40. Ne4 Bf4 41. Re7 Bg6 42. Bf2 Ra4 43. Nc3 Rc4 44. Nd5 Bg5 45. Rc7 Ra4 46. Be3 Bh4 47. Ke2 Be4 48. Nc3 Rb4 49. Nxe4 Rxe4 50. Rxf7 Bf6 51. Kf3 Ra4 52. Rb7 Kg6 53. Rb3 Kf5 1/2-1/2

[Event "Warsaw AIG Life rapid"]
[Site "Warsaw"]
[Date "2005.12.18"]
[Round "13"]
[White "Lagowski, Patryk"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2391"]
[BlackElo "2229"]
[PlyCount "81"]
[EventDate "2005.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 c6 6. Be2 Be7 7. 0-0 0-0 8. Re1 a6 9. Bf1 b5 10. a3 Bb7 11. Bg5 h6 12. Bxf6 Bxf6 13. d5 cxd5 14. Nxd5 Bxd5 15. cxd5 Rc8 16. g3 Nb6 17. h4 Qd7 18. Kh2 Qa7 19. Bh3 Rc7 20. Qe2 Nc4 21. Rac1 Re8 22. Rc3 Ree7 23. Rec1 Na5 24. Kg2 Nb3 25. Rxc7 Rxc7 26. Rxc7 Qxc7 27. a4 Qc5 28. axb5 axb5 29. Bd7 b4 30. h5 Nd4 31. Qa6 Nxf3 32. Kxf3 g5 33. hxg6 fxg6 34. Be6+ Kh7 35. Qa8 h5 36. Qg8+ Kh6 37. Qf7 Bg7 38. Bf5 gxf5 39. exf5 e4+ 40. Kg2 Kh7 41. f6 1-0

[Event "Warsaw AIG Life rapid"]
[Site "Warsaw"]
[Date "2005.12.18"]
[Round "11"]
[White "Slaby, Jerzy"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2441"]
[BlackElo "2229"]
[PlyCount "123"]
[EventDate "2005.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. a3 d6 5. g3 g6 6. d3 Bg7 7. Bg2 0-0 8. 0-0 h6 9. Rb1 Bg4 10. b4 Qd7 11. b5 Nd4 12. e3 Nxf3+ 13. Bxf3 Bxf3 14. Qxf3 c6 15. e4 Nh5 16. Be3 f5 17. exf5 Rxf5 18. Qg2 Raf8 19. bxc6 bxc6 20. Rb3 Nf4 21. Qe4 d5 22. cxd5 cxd5 23. Qa4 Nh3+ 24. Kg2 Qe6 25. Bc5 Rh5 26. Ne2 Ng5 27. Ng1 Rc8 28. Qxa7 e4 29. Rb7 Bf6 30. Bd4 Rf8 31. Rg7+ Kh8 32. Rxg6 Bxd4 33. Rxe6 Bxa7 34. Ra6 Bd4 35. Ne2 Nf3 36. h4 exd3 37. Nxd4 Nxd4 38. Rd1 Rhf5 39. f4 R5f6 40. Rxf6 Rxf6 41. Rxd3 Nf5 42. h5 Rd6 43. g4 Ne7 44. Kf3 Kg7 45. g5 Ra6 46. Rb3 Ra7 47. Kg4 Rd7 48. Rb6 d4 49. f5 d3 50. f6+ Kf7 51. g6+ Nxg6 52. hxg6+ Kxg6 53. Rb1 Kxf6 54. Kf4 d2 55. Rd1 h5 56. a4 h4 57. a5 h3 58. Kg3 Ke5 59. a6 Ke4 60. a7 Rxa7 61. Rxd2 Ra3+ 62. Kh2 1/2-1/2

[Event "Warsaw AIG Life rapid"]
[Site "Warsaw"]
[Date "2005.12.17"]
[Round "2"]
[White "Jakubowski, Marcin"]
[Black "Balogh, Csaba"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2229"]
[BlackElo "2567"]
[PlyCount "72"]
[EventDate "2005.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 0-0 10. Bd3 a5 11. 0-0 c6 12. a3 Re8 13. b4 b5 14. bxa5 Qxa5 15. Qb3 Bf8 16. a4 b4 17. Ne2 Nd7 18. Rfc1 Bb7 19. Nf4 Nf6 20. h3 Bd6 21. g3 Rec8 22. Kh2 Ba6 23. Bxa6 Qxa6 24. Nd3 Ne4 25. Kg2 Rab8 26. Nfe5 Bxe5 27. Nxe5 Nd2 28. Qc2 b3 29. Qb2 Nc4 30. Nxc4 dxc4 31. Rc3 Rb4 32. a5 Ra8 33. Rac1 Qb5 34. Qe2 Rxa5 35. Rxc4 b2 36. Qd1 Ra8 0-1

[Event "Warsaw AIG Life rapid"]
[Site "Warsaw"]
[Date "2005.12.17"]
[Round "6"]
[White "Jakubowski, Marcin"]
[Black "Rajlich, Iweta"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2229"]
[BlackElo "2453"]
[PlyCount "64"]
[EventDate "2005.12.17"]
[EventType "swiss (rapid)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. c4 d6 4. Nc3 a6 5. a4 Ne7 6. Nf3 exd5 7. cxd5 g6 8. Bg5 Bg7 9. e3 0-0 10. Be2 f6 11. Bh4 Nf5 12. Bg3 Nd7 13. 0-0 Nxg3 14. hxg3 f5 15. Nd2 Rb8 16. Nc4 Ne5 17. Qc2 h5 18. Rab1 h4 19. gxh4 Nxc4 20. Bxc4 Qxh4 21. Ne2 b5 22. Ba2 Kf7 23. g3 Qxa4 24. b3 Qe4 25. Qd2 Qf3 26. Nf4 Rh8 27. Ng2 Bb7 28. Rbd1 Rh7 29. Qa5 Rbh8 30. Qc7+ Kg8 31. Qd8+ Bf8 32. Nh4 Rxh4 0-1

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.14"]
[Round "9"]
[White "Jakubowski, Marcin"]
[Black "Grycel, Kamil"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2223"]
[BlackElo "2290"]
[PlyCount "101"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton"]
[BlackTeam "Suwalki Hancza"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. g3 d5 6. Bg2 dxc4 7. 0-0 Nc6 8. Bc3 Rb8 9. a4 b6 10. Nbd2 Ba6 11. e4 0-0 12. Re1 Re8 13. Bf1 e5 14. d5 Bxc3 15. bxc3 Na7 16. Bxc4 Bb7 17. Qb3 Re7 18. Rad1 Ne8 19. Bf1 Nd6 20. c4 Ba8 21. Qc3 Nb7 22. Nxe5 Qe8 23. Nd3 Qxa4 24. e5 Nc8 25. Ne4 Qe8 26. Qd4 c5 27. Qe3 Kh8 28. Qg5 h6 29. Qg4 b5 30. d6 bxc4 31. dxe7 cxd3 32. Bxd3 Nxe7 33. Nd6 Qf8 34. Qc4 Kg8 35. Be4 Nd8 36. Qxc5 Ne6 37. Qxa5 Ng5 38. Bxa8 Rxa8 39. Qc3 Ra6 40. h4 Ne6 41. Qf3 Ng6 42. Qd3 Qa8 43. Qe4 Qb8 44. Nxf7 Kxf7 45. Qf5+ Kg8 46. Qxg6 Nc7 47. Qe4 Re6 48. Rd6 Re7 49. Red1 Re8 50. e6 Nb5 51. Rd7 1-0

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.13"]
[Round "8"]
[White "Bernard, Ryszard"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2363"]
[BlackElo "2223"]
[PlyCount "40"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Nxd5 6. Nf3 e6 7. 0-0 c6 8. c4 Nb6 9. Nc3 Be7 10. b3 0-0 11. Bb2 N8d7 12. Rad1 Re8 13. Ne4 Qc7 14. Ne5 c5 15. dxc5 Nxe5 16. cxb6 axb6 17. a4 Rad8 18. Bd4 Nc6 19. Bb2 f5 20. Ng3 Bc5 1-0

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.12"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Brodowski, Piotr"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2223"]
[BlackElo "2215"]
[PlyCount "19"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton"]
[BlackTeam "Kozuchow Odrodzenie"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 e6 2. Nf3 d5 3. c4 Be7 4. Nc3 Nf6 5. Bg5 0-0 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Re8 10. 0-0 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.11"]
[Round "6"]
[White "Gralka, Przemyslaw"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2253"]
[BlackElo "2223"]
[PlyCount "73"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Bydgoszcz Chemik"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. h3 b6 6. Nbd2 Bb7 7. Bd3 0-0 8. c3 Ne4 9. Qe2 d6 10. 0-0-0 Nd7 11. Rhg1 Kh8 12. g4 Qe8 13. Kb1 Qf7 14. gxf5 exf5 15. Ng5 Bxg5 16. Bxg5 Rae8 17. h4 Ndf6 18. c4 Nh5 19. Qf1 h6 20. Bf4 Nxf4 21. exf4 Nxd2+ 22. Rxd2 Be4 23. f3 Bxd3+ 24. Qxd3 Qe6 25. Rdg2 Rf7 26. Kc2 Qe3 27. Qxe3 Rxe3 28. Rf2 Rfe7 29. Kd2 Kh7 30. h5 Kg8 31. d5 Kf8 32. b3 a5 33. Rgg2 Re1 34. Rh2 Ra1 35. Kc3 Ree1 36. Kb2 Rf1 37. Ka3 1-0

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.10"]
[Round "5"]
[White "Jakubowski, Marcin"]
[Black "Cichocki, Adam"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2223"]
[BlackElo "2347"]
[PlyCount "52"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton"]
[BlackTeam "Gdanski Drapol Jantar Pruszcz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bf5 4. c4 e6 5. Nbd2 c6 6. Be2 Nbd7 7. b3 Bd6 8. Bb2 Ne4 9. 0-0 0-0 10. Nxe4 Bxe4 11. Nd2 Bg6 12. f4 f6 13. Bf3 Qe7 14. g3 Bd3 15. Re1 f5 16. c5 Bc7 17. b4 a5 18. Qb3 Ba6 19. bxa5 Bxa5 20. Bc3 Bc7 21. Be2 Rfb8 22. Rab1 Nf6 23. Qc2 Bxe2 24. Rxe2 Ra7 25. Rb3 Rba8 26. Rb2 Qf7 0-1

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.09"]
[Round "4"]
[White "Hnydiuk, Aleksander"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2322"]
[BlackElo "2223"]
[PlyCount "50"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Szopienice HetMaN"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 d6 10. f3 0-0 11. Kh1 Bb6 12. a4 a6 13. Nd2 d5 14. a5 Ba7 15. Bf4 Qf6 16. Bg3 N5g6 17. Bxc7 Bxd4 18. cxd4 Qxd4 19. Bb6 Qe5 20. Re1 dxe4 21. Nxe4 Nf5 22. Bc4 Be6 23. Nc5 Qxb2 24. Nxe6 fxe6 25. Rb1 Qa3 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.08"]
[Round "3"]
[White "Orzechowski, Jacek"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2264"]
[BlackElo "2223"]
[PlyCount "40"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Raciborz Rzemioslo"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bg5 d5 3. e3 Nbd7 4. Nf3 e6 5. Bd3 Be7 6. Nbd2 b6 7. c3 Bb7 8. Qb1 c5 9. a4 a6 10. 0-0 h6 11. Bh4 0-0 12. b4 cxd4 13. cxd4 Rc8 14. b5 a5 15. Ra2 Bd6 16. Rc1 Rxc1+ 17. Qxc1 Qa8 18. Bg3 Bxg3 19. hxg3 Rc8 20. Rc2 Rxc2 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.07"]
[Round "2"]
[White "Jakubowski, Marcin"]
[Black "Staniszewski, Piotr"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2223"]
[BlackElo "2446"]
[PlyCount "40"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton"]
[BlackTeam "Warszawa Damis"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. e3 Bb7 5. Bd3 d5 6. Nbd2 Nbd7 7. Qc2 c5 8. b3 Rc8 9. 0-0 Bd6 10. Bb2 0-0 11. Rac1 Qe7 12. Qb1 cxd4 13. exd4 Bf4 14. Rcd1 Rfd8 15. Rfe1 Nf8 16. Ne5 Ba8 17. Bf1 Ng6 18. Ndf3 dxc4 19. bxc4 Nxe5 20. Nxe5 Nd7 1-0

[Event "POL-chT 1st League"]
[Site "Ustron"]
[Date "2003.09.06"]
[Round "1"]
[White "Olejarczyk, Bogdan"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2186"]
[BlackElo "2223"]
[PlyCount "41"]
[EventDate "2003.09.06"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]
[WhiteTeam "Warszawa AZS UW"]
[BlackTeam "Lomza Devo Maraton"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nd2 0-0 5. Ngf3 d6 6. Bc4 Nbd7 7. c3 c6 8. 0-0 Nh5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nxg3 12. hxg3 e6 13. e4 Qe7 14. Re1 e5 15. dxe5 dxe5 16. Nf1 Nf6 17. Qc2 Ng4 18. Ne3 Nxe3 19. Rxe3 Bd7 20. Rd1 Rae8 21. Red3 1/2-1/2

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Denderski, Piotr"]
[Result "1/2-1/2"]
[ECO "B63"]
[WhiteElo "2239"]
[BlackElo "2223"]
[PlyCount "44"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Be7 9. f3 0-0 10. Kb1 Nxd4 11. Qxd4 b5 12. g4 Qa5 13. h4 b4 14. Ne2 Rb8 15. Qd2 Bd7 16. Nd4 Rfc8 17. Be3 Ne8 18. g5 Nc7 19. h5 Nb5 20. Nb3 Qc7 21. e5 dxe5 22. Qxd7 Na3+ 1/2-1/2

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Dryja, Piotr"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2239"]
[BlackElo "2041"]
[PlyCount "105"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bf4 c6 8. cxd5 exd5 9. Bd3 Bg4 10. h3 Be6 11. 0-0 Qc8 12. Qc2 Nbd7 13. Rac1 Rd8 14. Bh2 Nf8 15. Ne5 Ne8 16. f4 f5 17. a3 Nd6 18. b4 Ne4 19. Bxe4 dxe4 20. Qe2 a5 21. Na4 Qb8 22. Nc5 axb4 23. axb4 Bxc5 24. bxc5 Ra2 25. Rc2 Ra3 26. g4 Qa7 27. gxf5 Bxf5 28. Qh5 g6 29. Qh4 Ne6 30. Qe7 b5 31. Qxa7 Rxa7 32. Nxc6 Rad7 33. Nxd8 Rxd8 34. Rb1 Bxh3 35. Rxb5 Ra8 36. Rb1 Nc7 37. Rcb2 Ra3 38. Rb8+ Kf7 39. R8b7 Rxe3 40. Rxc7+ Ke6 41. Rd1 Re2 42. d5+ Kf5 43. d6 e3 44. d7 Rg2+ 45. Kh1 Rg4 46. Bg3 Rxg3 47. d8Q Bg2+ 48. Kh2 Kg4 49. Qd7+ Kf3 50. Qd5+ Kf2 51. Rd2+ e2 52. Rxe2+ Kxe2 53. Qxg2+ 1-0

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Gajewski, Grzegorz"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2239"]
[BlackElo "2354"]
[PlyCount "70"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be2 a6 7. 0-0 Nf6 8. Kh1 Be7 9. f4 d6 10. Nxc6 bxc6 11. Qd3 0-0 12. b3 Bb7 13. Bb2 c5 14. Rae1 Rfd8 15. Qg3 d5 16. e5 Nd7 17. Bd3 c4 18. bxc4 dxc4 19. Be4 Nc5 20. f5 Bxe4 21. Nxe4 Nxe4 22. Rxe4 exf5 23. Ref4 Qb6 24. Bc3 Qe6 25. Rxf5 Rf8 26. h3 Rad8 27. Rf6 Bxf6 28. exf6 g6 29. Qf4 Kh8 30. Re1 Qf5 31. Qh6 Rg8 32. Re7 g5 33. Be5 g4 34. hxg4 Rxg4 35. g3 Rg5 0-1

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Moldawski, Tomasz"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2239"]
[BlackElo "2129"]
[PlyCount "80"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. Bg5 0-0 6. e3 c6 7. Be2 a6 8. Qc2 b5 9. a3 bxc4 10. Bxc4 Bf5 11. Qe2 d5 12. Ba2 Nbd7 13. 0-0 Bg4 14. h3 Bxf3 15. Qxf3 e5 16. dxe5 Nxe5 17. Qe2 h6 18. Bf4 Nh5 19. Bh2 Qe8 20. e4 d4 21. Na4 d3 22. Qe3 g5 23. Nc5 Qe7 24. Bxe5 Bxe5 25. Nxd3 Nf4 26. Nxe5 Qxe5 27. g3 Nxh3+ 28. Kh2 g4 29. Qxh6 Ng5 30. Qg6+ Kh8 31. Qh5+ Kg7 32. Qxg4 Rh8+ 33. Kg2 Rh6 34. Qf5 Qxe4+ 35. Qxe4 Nxe4 36. Rh1 Rxh1 37. Rxh1 Rb8 38. b4 c5 39. Bb1 Nc3 40. Rc1 cxb4 1/2-1/2

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Sroczynski, Maciej"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2239"]
[BlackElo "2108"]
[PlyCount "93"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. cxd5 exd5 8. Bd3 Re8 9. 0-0 c6 10. Qc2 Nf8 11. Rae1 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 b6 15. Qa4 b5 16. Qc2 b4 17. Na4 Ba6 18. Nc4 Nd7 19. Rc1 Qg5 20. Rfd1 Re6 21. a3 bxa3 22. Nxa3 Bd3 23. Qd2 Rg6 24. g3 Qg4 25. Nc5 Nxc5 26. Rxc5 Rh6 27. f4 Rb8 28. Rdc1 Qf3 29. Nc4 Bxc4 30. R5xc4 Rb3 31. Rxc6 Rxc6 32. Rxc6 h5 33. Rc3 Rb6 34. Rc2 Ra6 35. Rc1 Rb6 36. Re1 Qg4 37. Qe2 Qf5 38. Rc1 g6 39. Rc5 Qd7 40. f5 Qb7 41. fxg6 fxg6 42. Qc4+ Qf7 43. Rc8+ Kg7 44. Rc7 Qxc7 45. Qxc7+ Kh6 46. Qf4+ Kg7 47. Qe5+ 1-0

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Paszek, Krzysztof"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2110"]
[BlackElo "2239"]
[PlyCount "61"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bc4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. Na3 0-0 11. axb5 axb5 12. Nxb5 exd4 13. cxd4 Bg4 14. Ra4 Re8 15. Re1 Ba5 16. Na7 Bxf3 17. gxf3 Nxa7 18. Rxa5 Nc6 19. Rg5 Rb4 20. Be3 Nd7 21. Rf5 Rf8 22. Kh1 g6 23. Rf4 Nb6 24. Rg1 Na5 25. Bc2 Rxb2 26. d5 Nac4 27. Bd4 Ra2 28. Bf6 Qd7 29. Rh4 Ne5 30. Qc1 Nxf3 31. Qh6 1-0

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Skalski, Michal"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E86"]
[WhiteElo "2137"]
[BlackElo "2239"]
[PlyCount "85"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. f3 g6 4. c4 Bg7 5. Nc3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. Nge2 c6 9. 0-0-0 a6 10. Kb1 b5 11. Nc1 Bb7 12. d5 cxd5 13. cxd5 Rc8 14. Nb3 Nb6 15. Na5 Ba8 16. b4 Nh5 17. Rc1 f5 18. a3 Kh8 19. Bd3 Nf4 20. Bf1 Nh5 21. Bd3 Nf4 22. Bf1 Nd7 23. g3 Nh5 24. Be2 Ndf6 25. Rc2 Qd7 26. Qd1 Rc7 27. Bb6 Rcc8 28. Be3 Qf7 29. Rf1 f4 30. Bf2 fxg3 31. hxg3 Bh6 32. Rg1 Bg5 33. Qd3 Qg7 34. Bf1 Rc7 35. Bh3 Ng8 36. Be6 Qf6 37. f4 Bxf4 38. Bxg8 Bxg3 39. Bxg3 Qf3 40. Qxf3 Rxf3 41. Be1 Kxg8 42. Nd1 Rxc2 43. Kxc2 1-0

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Tekielak, Sebastian"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2180"]
[BlackElo "2239"]
[PlyCount "76"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. g3 e6 6. d3 Nc6 7. Bg2 Nge7 8. 0-0 0-0 9. Ne2 b6 10. c3 Bb7 11. g4 f5 12. h3 Qd7 13. Ng3 Rae8 14. Qb3 Kh8 15. Ng5 Nd8 16. Bd2 h6 17. Nf3 e5 18. gxf5 gxf5 19. Nh4 fxe4 20. dxe4 exf4 21. Bxf4 Ne6 22. Ngf5 Nxf4 23. Rxf4 Kh7 24. Raf1 Nxf5 25. Nxf5 Be5 26. Rh4 Re6 27. Rf3 Qe8 28. Qc2 Rg8 29. Ne3 Reg6 30. Rg4 Rxg4 31. Nxg4 Qg6 32. Qe2 Bg7 33. Rf4 h5 34. Nh2 Be5 35. Rf5 Bxh2+ 36. Kxh2 Qxg2+ 37. Qxg2 Rxg2+ 38. Kh1 Bxe4 0-1

[Event "POL-ch U18"]
[Site "Bartkowa"]
[Date "2002.??.??"]
[Round "?"]
[White "Tomczak, Rafal"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2310"]
[BlackElo "2239"]
[PlyCount "142"]
[EventDate "2002.01.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 0-0 11. Kb1 b5 12. Bd3 Bb7 13. Nce2 Nc5 14. Bxf6 Bxf6 15. g5 Bxd4 16. Nxd4 g6 17. h4 e5 18. fxe5 dxe5 19. Ne2 Rad8 20. h5 Rd6 21. Rdf1 Rfd8 22. Nc1 Qe7 23. Rfg1 Ne6 24. Qg3 Nf4 25. hxg6 fxg6 26. Rh2 Rf8 27. a4 Bc6 28. axb5 axb5 29. Bxb5 Bxb5 30. Qb3+ Ne6 31. Qxb5 Nxg5 32. Rgh1 h5 33. Nd3 Nf3 34. Rg2 Kh7 35. b3 Ra8 36. Nc5 Nd4 37. Qb7 Qxb7 38. Nxb7 Rda6 39. Rhh2 Rc8 40. Rf2 Rc7 41. Nd8 Kg7 42. Kb2 Rd6 43. c3 Rxd8 44. cxd4 Rxd4 45. Re2 Rb7 46. Rh3 Rbb4 47. Rg2 Kh6 48. Rhg3 Rb6 49. Re2 Rf6 50. Kc3 g5 51. Rd3 Rc6+ 52. Kd2 Rcd6 53. Rxd4 Rxd4+ 54. Kc3 g4 55. b4 Kg5 56. b5 g3 57. b6 Rd7 58. Rb2 Rb7 59. Kd3 Kf4 60. Ke2 h4 61. Rb4 h3 62. Kf1 g2+ 63. Kg1 Rg7 64. Rb1 Rb7 65. Kh2 Kg4 66. Rb3 Kf4 67. Rxh3 Rxb6 68. Kxg2 Kxe4 69. Kf2 Kd4 70. Ke2 e4 71. Kd2 Rb2+ 1/2-1/2

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.26"]
[Round "11"]
[White "Jakubowski, Marcin"]
[Black "Lagowski, Patryk"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2234"]
[BlackElo "2301"]
[PlyCount "69"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. h5 Qa5 14. hxg6 hxg6 15. Nd5 Qxd2 16. Rxd2 Bxd5 17. exd5 Nd7 18. Bb5 Ne5 19. Re1 g5 20. c3 Bf6 21. Bd3 Kg7 22. Bf5 Rh8 23. Re4 b5 24. f4 gxf4 25. Rxf4 a5 26. Rdf2 Rab8 27. g4 Bg5 28. Re4 f6 29. Bxe5 fxe5 30. Ree2 Bf4 31. Kc2 Kf6 32. Rf3 Kg5 33. Kb3 Rb7 34. Rd3 Rc7 35. Ka3 1/2-1/2

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.25"]
[Round "10"]
[White "Dziuba, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2421"]
[BlackElo "2234"]
[PlyCount "65"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 0-0 8. Qd2 c5 9. Nf3 cxd4 10. cxd4 Nc6 11. Rc1 Bg4 12. d5 Bxf3 13. gxf3 Ne5 14. Be2 Qd7 15. f4 Ng4 16. Bd4 e5 17. fxe5 Nxe5 18. f4 Ng4 19. Bxg7 Kxg7 20. Qd4+ Kg8 21. 0-0 Rfe8 22. Bf3 Nh6 23. Bg2 a6 24. h3 Rac8 25. d6 Red8 26. e5 Nf5 27. Qb6 Ng3 28. Rxc8 Rxc8 29. Qxb7 Qf5 30. Rf2 Rc1+ 31. Kh2 Nh5 32. d7 Qd3 33. Qc8+ 1-0

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.24"]
[Round "9"]
[White "Jakubowski, Marcin"]
[Black "Paterek, Michal"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2234"]
[BlackElo "2141"]
[PlyCount "39"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. Nd2 Be7 9. f4 Nbd7 10. N2f3 Nc5 11. Kh1 e5 12. Nb3 Nxd3 13. cxd3 Be6 14. Bd2 Bxb3 15. axb3 exf4 16. Rac1 Qb6 17. Bc3 0-0 18. Nd4 Rae8 19. Nf5 g6 20. Nxe7+ 1-0

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.23"]
[Round "8"]
[White "Zawadzki, Stanislaw"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2335"]
[BlackElo "2234"]
[PlyCount "57"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 Qc7 10. Qe1 Nc6 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Kh1 Rac8 15. Rae1 Rfd8 16. Bd3 Ne8 17. Re3 Bf6 18. Bxf6 Nxf6 19. e5 Nd5 20. Nxd5 Bxd5 21. Qh4 h6 22. Rg3 Kh8 23. f5 exf5 24. Rxf5 dxe5 25. Rf6 Rd6 26. Rxg7 Kxg7 27. Qxh6+ Kg8 28. Bh7+ Kh8 29. Rxd6 1-0

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.22"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Janaszak, Dawid"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2234"]
[BlackElo "2134"]
[PlyCount "49"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Bg4 13. Bg5 h6 14. Bh4 g5 15. Bg3 Nc6 16. d5 Na5 17. Re1 Bc3 18. Ne5 Bxe5 19. Bxe5 Bxe2 20. Rxe2 Qc4 21. Re3 f6 22. Bc3 b6 23. Qh5 Kg7 24. h4 Rh8 25. e5 1-0

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.21"]
[Round "6"]
[White "Skrzypnik, Maciej"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2259"]
[BlackElo "2234"]
[PlyCount "55"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Na3 Bg4 11. axb5 axb5 12. Nxb5 exd4 13. cxd4 0-0 14. Ra4 Re8 15. Re1 Ba5 16. Nc3 Bxc3 17. bxc3 Nxe4 18. Re3 d5 19. h3 Bh5 20. Ra6 Rb6 21. Rxb6 cxb6 22. g4 Bg6 23. c4 dxc4 24. Bxc4 Nd6 25. Bf1 Rxe3 26. Bxe3 Be4 27. Ng5 Bd5 28. Qc2 1/2-1/2

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.20"]
[Round "5"]
[White "Jakubowski, Marcin"]
[Black "Urbanek, Marcin"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2234"]
[BlackElo "2112"]
[PlyCount "41"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 Qa5 7. Nge2 b5 8. 0-0-0 0-0 9. g4 Be6 10. a3 Bc4 11. h4 Nbd7 12. h5 c5 13. Bh6 Bxe2 14. Bxe2 b4 15. Nb1 Rfc8 16. Bxg7 Kxg7 17. hxg6 fxg6 18. Qh6+ Kf7 19. g5 cxd4 20. gxf6 Nxf6 21. Rxd4 1-0

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.19"]
[Round "4"]
[White "Szymanski, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2366"]
[BlackElo "2234"]
[PlyCount "130"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. Bd3 Bd6 6. Ne2 0-0 7. 0-0 Nd7 8. c4 Re8 9. Qc2 Ndf6 10. c5 Bxf4 11. exf4 Nd7 12. Bxe4 dxe4 13. Qxe4 Nf6 14. Qc2 b6 15. Nbc3 Bb7 16. Rfd1 Nd5 17. Nxd5 Qxd5 18. f3 Rad8 19. Nc3 Qh5 20. Ne4 Bd5 21. Ng3 Qh6 22. Qc1 Qf6 23. b3 Re7 24. Qe3 Red7 25. Rac1 h6 26. Qe5 Qg6 27. f5 exf5 28. Nxf5 Kh7 29. c6 f6 30. Qf4 Rf7 31. Re1 Qg5 32. Qxg5 hxg5 33. Kf2 g6 34. Ne3 Kg7 35. Nxd5 Rxd5 36. Rcd1 Kf8 37. Re6 Re7 38. Rxe7 Kxe7 39. Ke3 Ke6 40. Rc1 Rd6 41. Ke4 f5+ 42. Kd3 Kd5 43. Re1 Kxc6 44. Re7 Rf6 45. Rg7 Kd6 46. Kc4 a5 47. a4 g4 48. Rg8 gxf3 49. gxf3 c6 50. Rg7 f4 51. h4 Re6 52. Rf7 Re1 53. Rf6+ Kd7 54. Rxf4 Rc1+ 55. Kd3 Ke6 56. Rf8 Rd1+ 57. Ke4 Rh1 58. Rg8 Rxh4+ 59. Ke3 Rh1 60. Rxg6+ Kd5 61. Rg5+ Kd6 62. Kd3 Rb1 63. Kc2 Re1 64. Rf5 Ke6 65. Rf8 Kd5 1/2-1/2

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.18"]
[Round "3"]
[White "Jakubowski, Marcin"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2234"]
[BlackElo "2432"]
[PlyCount "98"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. f3 0-0 6. Bg5 a6 7. Qd2 Nbd7 8. Nh3 c5 9. d5 b5 10. cxb5 Qa5 11. Nf2 Nb6 12. bxa6 Bxa6 13. Bxa6 Qxa6 14. Qe2 Rfb8 15. Qxa6 Rxa6 16. Nfd1 Nc4 17. b3 Na3 18. Rc1 Nd7 19. Ke2 Nb5 20. Kd2 Nxc3 21. Nxc3 Bxc3+ 22. Kxc3 f6 23. Bd2 Rxa2 24. Ra1 Rba8 25. Rxa2 Rxa2 26. Rc1 f5 27. Rc2 Ra1 28. Rc1 Ra7 29. Bg5 Kf7 30. h3 e5 31. Kb2 Nf6 32. Rf1 Nh5 33. Rf2 fxe4 34. fxe4+ Kg7 35. Rf3 h6 36. Bd2 g5 37. Kc3 Nf6 38. Re3 Ra1 39. Kb2 Rg1 40. g4 Rg2 41. Kc3 h5 42. gxh5 Nxh5 43. Be1 Nf4 44. b4 cxb4+ 45. Kxb4 Rb2+ 46. Kc4 Ng2 47. Kc3 Rb1 48. Bd2 Nxe3 49. Bxe3 Kf6 0-1

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.17"]
[Round "2"]
[White "Moryc, Ignacy"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "C68"]
[BlackElo "2234"]
[PlyCount "52"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. Na3 Be6 7. b3 c5 8. Bb2 f6 9. Qe2 Ne7 10. c3 Nc6 11. Rad1 0-0-0 12. d4 cxd4 13. cxd4 Nxd4 14. Nxd4 exd4 15. Rxd4 Qb6 16. Rxd8+ Kxd8 17. Rd1+ Kc8 18. Nc2 Bc5 19. Nd4 Bd7 20. Qc2 Re8 21. Rc1 Bd6 22. Nf3 Bc6 23. e5 fxe5 24. Qf5+ Bd7 25. Qxh7 e4 26. Bd4 Qb4 0-1

[Event "POL-ch U18"]
[Site "Zakopane"]
[Date "2001.01.16"]
[Round "1"]
[White "Jakubowski, Marcin"]
[Black "Bloch, Pawel"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2234"]
[BlackElo "2080"]
[PlyCount "115"]
[EventDate "2001.01.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 Bg4 4. cxd5 Bxf3 5. gxf3 Qxd5 6. e3 e6 7. Nc3 Bb4 8. Bd2 Qh5 9. Be2 Nge7 10. f4 Qg6 11. a3 Bxc3 12. bxc3 Nf5 13. Bh5 Qg2 14. Qf3 Nh4 15. Qxg2 Nxg2+ 16. Kd1 Nh4 17. Kc2 0-0 18. Be2 Ne7 19. e4 f5 20. e5 Rfd8 21. Be3 Nd5 22. c4 Ne7 23. Rhd1 c6 24. Rab1 b6 25. a4 Rac8 26. h3 Rd7 27. Kb3 Rcd8 28. Kc3 Rc7 29. Rb2 Neg6 30. Bf1 Rcd7 31. Ra2 c5 32. d5 Kf8 33. d6 Nf3 34. Bg2 Nfxe5 35. fxe5 Nxe5 36. Rad2 Nf7 37. Bc6 Rxd6 38. Rxd6 Nxd6 39. Kb3 h6 40. Bf4 Ke7 41. Rd3 g5 42. Be5 Nf7 43. Rxd8 Kxd8 44. Bb8 a5 45. Kc3 Nh8 46. Be5 Nf7 47. Bf6+ Kc8 48. Kd3 Nd6 49. Bf3 Ne8 50. Be5 Kd7 51. Bh5 Nd6 52. f3 f4 53. Bxd6 Kxd6 54. Ke4 e5 55. Bg4 b5 56. cxb5 c4 57. Bh5 Kc5 58. Kxe5 1-0

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "2"]
[White "Becker, Bartosz"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2040"]
[BlackElo "2245"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Rybnik MKSz U19 II"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nc3 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qc3 Bb4 10. Qd3 Bd7 11. Nf3 Bb5 12. Qe4 Bc6 13. Qb1 Rc8 14. a3 Bxf3 15. Bxf3 Nc2+ 16. Kf1 Nxa1 17. Qxa1 Bc5 18. b4 Bd4 19. Bb2 Rc7 20. Bxd4 exd4 0-1

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "4"]
[White "Blasik, Wojciech"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2190"]
[BlackElo "2245"]
[PlyCount "39"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Bydgoszcz Hetman U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. cxd5 Nxd5 7. d4 Nc6 8. e4 Nb6 9. d5 Na5 10. Nc3 c6 11. dxc6 Nxc6 12. Qe2 Be6 13. Rd1 Qc8 14. Nd5 Rd8 15. Ng5 h6 16. Nxe6 Qxe6 17. Be3 Rac8 18. Rac1 Ne5 19. Bc5 Kh7 20. b3 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "6"]
[White "Jakubowski, Marcin"]
[Black "Czakon, Jakub"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2245"]
[BlackElo "2120"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Katowice Start U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 c6 8. Qc2 a6 9. 0-0 e5 10. dxe5 dxe5 11. Rfd1 Qc7 12. Nd2 Nc5 13. b4 Ne6 14. Bxf6 Bxf6 15. c5 Be7 16. Nc4 Nd8 17. Nb6 Rb8 18. Nca4 Re8 19. Bc4 Bf8 20. Nxc8 Rxc8 1-0

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "3"]
[White "Jakubowski, Marcin"]
[Black "Dudzinski, Pawel"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2245"]
[BlackElo "2090"]
[PlyCount "61"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Ostrow Wielkopolski U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 Nf7 7. Bxf6 exf6 8. 0-0-0 Be7 9. Nxe4 0-0 10. Ne2 f5 11. N4g3 Bf6 12. Qd2 g6 13. Kb1 c5 14. Nf4 Nd6 15. h4 Bxh4 16. Nxg6 hxg6 17. Qh6 Qg5 18. Qxh4 Qxh4 19. Rxh4 b6 20. Be2 Bb7 21. Rdh1 Nf7 22. c4 Kg7 23. Kc2 Rh8 24. Rxh8 Rxh8 25. Rxh8 Nxh8 26. f4 b5 27. b3 b4 28. Kd2 Kf6 29. Bd3 Nf7 30. Ke3 Nh6 31. Kf3 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "9"]
[White "Jakubowski, Marcin"]
[Black "Kisiel, Mariusz"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2245"]
[BlackElo "2040"]
[PlyCount "41"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "POL-chT U19 3"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. h5 Qa5 14. hxg6 hxg6 15. a3 Rab8 16. Bd3 b5 17. Qg5 d5 18. Nxd5 Bxd5 19. exd5 b4 20. Bxg6 Rc4 21. Rh7 1-0

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "1"]
[White "Jakubowski, Marcin"]
[Black "Moldawski, Tomasz"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2245"]
[BlackElo "2105"]
[PlyCount "50"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Wisla Strumien U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 a6 9. Nh3 b5 10. cxb5 axb5 11. Bxb5 Ba6 12. Bxa6 Rxa6 13. 0-0 Qb6 14. Nf2 Ne5 15. Qe2 h6 16. Be3 Ra5 17. Rab1 Qa6 18. Qxa6 Rxa6 19. b3 Ne8 20. Rfc1 Nc7 21. Kf1 Rb8 22. Ke2 Nb5 23. Nfd1 Nd7 24. a4 Nxc3+ 25. Nxc3 Bxc3 0-1

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Tekielak, Sebastian"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2245"]
[BlackElo "2205"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Krzeszowice Swit U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. f3 e5 6. d5 Ne7 7. Bd3 0-0 8. Be3 f5 9. exf5 Nxf5 10. Bf2 Nc5 11. Ne4 Nxe4 12. Bxe4 Bh6 13. Qd3 Qf6 14. h4 Ng7 15. Ne2 Nh5 16. Rf1 Qf7 17. g4 Nf4 18. Nxf4 Bxf4 19. Ke2 Bd7 20. Rh1 a6 0-1

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "11"]
[White "Jakubowski, Marcin"]
[Black "Wasilewski, Pawel"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2245"]
[BlackElo "2170"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Zieleniewo GKSZ Solny U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Qc2 Qa5 7. Bxf6 Nxf6 8. Nf3 Bb4 9. Nd2 0-0 10. Bd3 Re8 11. 0-0 Bf8 12. a3 Qc7 13. Rac1 Bd7 14. b4 dxc4 15. Nxc4 Rec8 16. Ne5 Be8 17. f4 g6 18. g4 Bg7 19. Qf2 a5 20. f5 exf5 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "5"]
[White "Marszalek, Maciej"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2170"]
[BlackElo "2245"]
[PlyCount "29"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Czarna Czarnovia U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. 0-0 dxc4 7. Nc3 c5 8. d5 e6 9. e4 exd5 10. exd5 Bf5 11. Ne5 Re8 12. Nxc4 Ne4 13. Be3 Na6 14. Qb3 Qd7 15. Rad1 1/2-1/2

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "8"]
[White "Szromba, Krzysztof"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2185"]
[BlackElo "2245"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Krakow Korona U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 a6 8. a4 h6 9. Be3 e6 10. Qd2 exd5 11. cxd5 Re8 12. Nge2 Nbd7 13. Nd1 Ne5 14. Nec3 g5 15. Be2 Nh5 16. Nf2 Qf6 17. Rb1 Nf4 18. 0-0 Bd7 19. Rfc1 Rac8 20. b3 c4 0-1

[Event "POL-chT U19 2nd League"]
[Site "Krynica"]
[Date "2001.??.??"]
[Round "10"]
[White "Tworuszka, Sebastian"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2004"]
[BlackElo "2245"]
[PlyCount "40"]
[EventDate "2001.07.16"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Zabrze Budosak U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. b4 c6 7. Qb3 Be6 8. a4 Nbd7 9. a5 b6 10. Ng5 dxc4 11. Bxc4 Bxc4 12. Qxc4 c5 13. Nf3 cxd4 14. exd4 Rc8 15. Qb3 Qc7 16. Ne2 Qc4 17. Qxc4 Rxc4 18. b5 Nd5 19. axb6 axb6 20. Ra7 Rfc8 0-1

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "8"]
[White "Dlugosz, Jedrzej"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2177"]
[BlackElo "2292"]
[PlyCount "47"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Gdanski Tama Jantar Pruszcz U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 b5 8. e5 Nxe5 9. Rxe5 d6 10. Re1 bxa4 11. Nxd4 Bd7 12. Qf3 0-0 13. Nc6 Bxc6 14. Qxc6 Nd7 15. Nc3 Nb6 16. Nxa4 Nxa4 17. Qxa4 Bf6 18. c3 Qc8 19. Bf4 Qg4 20. f3 Qh5 21. Re2 h6 22. Rae1 Qb5 23. Qxb5 axb5 24. a3 1/2-1/2

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "1"]
[White "Dryja, Piotr"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2016"]
[BlackElo "2292"]
[PlyCount "132"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e6 7. 0-0 Be7 8. Kh1 0-0 9. Be3 Qc7 10. Qe1 b5 11. a3 Bb7 12. f3 Nbd7 13. Qf2 Rac8 14. Rac1 Nc5 15. Rfd1 Qb8 16. Bf1 Rfd8 17. Nde2 Ncd7 18. Ba7 Qa8 19. Bd4 h6 20. Ng3 Bf8 21. Rd2 e5 22. Be3 d5 23. exd5 Nxd5 24. Nxd5 Bxd5 25. Rcd1 Nf6 26. Bb6 Re8 27. Bd3 e4 28. Bxe4 Bxe4 29. fxe4 Nxe4 30. Nxe4 Qxe4 31. c3 Rc6 32. Bd4 Rce6 33. Rf1 Qg6 34. Qf3 Bd6 35. Rdf2 f6 36. Qd5 Kh8 37. Qf3 Bb8 38. b3 Qg5 39. g3 Bd6 40. b4 Be5 41. Be3 Qg6 42. Bf4 Bxf4 43. Qxf4 Rc6 44. Qf3 Rec8 45. Rc1 Qf7 46. Rb2 Qc7 47. Rbc2 Rc4 48. Re2 Qc6 49. Qxc6 R8xc6 50. Re3 Kh7 51. Rd3 Re4 52. Ra1 Re2 53. a4 bxa4 54. Rxa4 Rc2 55. Ra1 Re6 56. h4 Kg6 57. Rg1 Ree2 58. Ra1 Kf5 59. Kg1 Kg4 60. Rad1 Rg2+ 61. Kf1 Rh2 62. Kg1 f5 63. c4 Kh3 64. g4+ Kxg4 65. c5 f4 66. c6 f3 0-1

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "8"]
[White "Jakubowski, Marcin"]
[Black "Blandzi, Damian"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "2292"]
[BlackElo "2049"]
[PlyCount "49"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 c5 3. d5 d6 4. Nc3 Nf6 5. e4 e5 6. f3 Be7 7. Be3 Bd7 8. Bd3 h5 9. Nge2 a6 10. Qd2 Nh7 11. f4 Bh4+ 12. g3 exf4 13. Bxf4 Be7 14. e5 Ng5 15. Rf1 Bg4 16. h4 Nh7 17. 0-0-0 dxe5 18. Bxe5 0-0 19. Qh6 Bf6 20. Rxf6 Nxf6 21. Ne4 Nbd7 22. Nxf6+ Nxf6 23. Rf1 Re8 24. Bxf6 Qxf6 25. Rxf6 1-0

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "2"]
[White "Jakubowski, Marcin"]
[Black "Ciesla, Adam"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2292"]
[BlackElo "2107"]
[PlyCount "72"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Bd3 Be7 8. Qc2 0-0 9. Nge2 Re8 10. 0-0 Nf8 11. f3 Nh5 12. Bxe7 Rxe7 13. e4 dxe4 14. fxe4 Bg4 15. Kh1 Rd7 16. e5 Qh4 17. Bf5 Bxf5 18. Qxf5 g6 19. Qf3 Ne6 20. Rad1 Ng5 21. Qe3 Rad8 22. d5 cxd5 23. Rd4 Ne4 24. Nxe4 dxe4 25. Rxe4 Qe7 26. Qxa7 f5 27. Re3 Rd1 28. Rxd1 Rxd1+ 29. Ng1 f4 30. Rb3 Qxe5 31. Qa8+ Kg7 32. Qxb7+ Kh6 33. Qb6 Ng3+ 34. Rxg3 fxg3 35. h3 Qe1 36. a4 Qf2 0-1

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "6"]
[White "Jakubowski, Marcin"]
[Black "Debowiak, Marcin"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2292"]
[BlackElo "2114"]
[PlyCount "106"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 b6 6. Nf3 Ba6 7. Bxa6 Nxa6 8. Ne2 Bxd2+ 9. Qxd2 c5 10. c3 Nb8 11. 0-0 Nbc6 12. Ng3 h5 13. Rfe1 h4 14. Nf1 Nf5 15. Ne3 Nce7 16. Nxf5 Nxf5 17. b4 c4 18. b5 Qd7 19. a4 a5 20. bxa6 Rxa6 21. Qc2 0-0 22. Reb1 Rfa8 23. Rb4 Ne7 24. Rab1 Nc8 25. Nxh4 Rxa4 26. R4b2 Ra1 27. g3 Qa4 28. Qd2 Rxb1+ 29. Rxb1 Qa2 30. Rb2 Qa1+ 31. Kg2 Ra3 32. Nf3 Kf8 33. Ng5 Ke8 34. h4 Ra7 35. h5 Ke7 36. Rc2 Qb1 37. g4 Ra1 38. Nf3 Kd7 39. Kg3 Kc6 40. g5 Qh1 41. g6 Qxh5 42. gxf7 Qxf7 43. Qg5 Ne7 44. Kg2 Qg6 45. Qxg6 Nxg6 46. Ng5 Nf8 47. Kf3 Rg1 48. Nf7 g5 49. Nd6 Ng6 50. Ke3 Nf4 51. Nf7 Nd3 52. Nh6 Kb5 53. Nf7 Ka4 0-1

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Grzybowski, Eligiusz"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2292"]
[BlackElo "2140"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Radom Orleta U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. Ne5 Bb7 9. axb5 Bxc3 10. bxc3 cxb5 11. Rb1 Qd5 12. f3 f6 13. e4 Qd8 14. Nxc4 Ba6 15. Ne3 Qd7 16. Qb3 b4 17. Bc4 Bxc4 18. Nxc4 bxc3 19. Qxc3 Nc6 20. Nb6 Qb7 21. 0-0 Rb8 22. Bf4 Rd8 23. Nc4 Qe7 24. Rfd1 Nh6 25. d5 exd5 1-0

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "1"]
[White "Jakubowski, Marcin"]
[Black "Klimaszewski, Dariusz1"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2292"]
[BlackElo "2251"]
[PlyCount "48"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "POL-chT2 North U19 4"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 exd5 9. Bd3 Be6 10. 0-0 c5 11. Ne5 Nfd7 12. Bxe7 Qxe7 13. f4 Nxe5 14. dxe5 f5 15. Qf3 Qd7 16. Rfd1 Nc6 17. Bb5 Rfd8 18. Rd2 Rac8 19. Rad1 Kf8 20. Rxd5 Bxd5 21. Rxd5 Qe7 22. Bxc6 g6 23. Bb5 c4 24. Qd1 Qc7 1-0

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "9"]
[White "Jakubowski, Marcin"]
[Black "Moskwinski, Tadeusz"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2292"]
[BlackElo "2004"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Michalowice Hetman U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. cxd5 exd5 6. Bg5 Be7 7. e3 0-0 8. Bd3 Nbd7 9. Qc2 Re8 10. 0-0 Nf8 11. Rae1 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 f5 15. f3 exf3 16. Nxf3 Be6 17. e4 fxe4 18. Rxe4 Rad8 19. Rfe1 Qf6 20. Re5 h6 21. Qe2 Qf7 22. Qe4 Bd7 23. Rf1 Qg6 24. Qe3 Qd6 25. Ne4 Qc7 0-1

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "10"]
[White "Jakubowski, Marcin"]
[Black "Szymanski, Piotr"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2292"]
[BlackElo "2086"]
[PlyCount "31"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 5. Qd2 Ngf6 6. f3 c6 7. Nge2 h5 8. h4 Qc7 9. a4 b6 10. g3 a6 11. Bh3 c5 12. Kf2 cxd4 13. Nxd4 Ne5 14. b3 Bxh3 15. Rxh3 0-0 16. Kg2 1/2-1/2

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "4"]
[White "Jakubowski, Marcin"]
[Black "Trabszys, Tomasz"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2292"]
[BlackElo "2079"]
[PlyCount "96"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. Bg5 Be7 8. e3 0-0 9. Bd3 Nbd7 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Rc1 Rfd8 13. Re1 Ndf6 14. Ne5 c5 15. Qe2 Rac8 16. f3 Nxc3 17. Rxc3 c4 18. Bb1 b5 19. Qf2 a5 20. Qh4 h6 21. g4 Rd6 22. Rc2 Kf8 23. Rg2 Rc7 24. Qg3 Nd7 25. f4 b4 26. axb4 axb4 27. g5 hxg5 28. Qh3 Rh6 29. Nxd7+ Qxd7 30. Qg3 g4 31. f5 f6 32. Qxg4 c3 33. bxc3 Rxc3 34. Qf4 b3 35. Kh1 Qc7 36. Qf2 Rh3 37. Reg1 Rhxe3 38. Rxg7 Qxg7 39. Rxg7 Kxg7 40. Qg2+ Kf8 41. Qd2 Ba6 42. Kg1 b2 43. Qxb2 Re1+ 44. Kf2 Re2+ 45. Qxe2 Bxe2 46. Kxe2 Rh3 47. Kd2 Ke7 48. Bd3 Rxh2+ 0-1

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "3"]
[White "Jakubowski, Marcin"]
[Black "Wasilewski, Pawel"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "2292"]
[BlackElo "2049"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Zieleniewo GKSz Solny U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 a6 7. f5 b5 8. Bb3 h6 9. a3 Bb7 10. Qe2 Nd4 11. Nxd4 Bxd4 12. Nd5 Bxd5 13. Bxd5 Nxd5 14. exd5 Qe7 15. c3 Bb6 16. Be3 Bxe3 17. Qxe3 0-0 18. 0-0 f6 19. Qe4 Qf7 20. c4 Qd7 21. Rac1 Rfb8 22. b4 a5 23. c5 axb4 24. axb4 Ra4 25. h3 Rba8 1/2-1/2

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "5"]
[White "Jakubowski, Marcin"]
[Black "Ziolkowski, Dawid"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2292"]
[BlackElo "2169"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lomza Devo Maraton U19"]
[BlackTeam "Bydgoszcz Emdek U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 Nf5 9. Bd3 a6 10. Bxf5 axb5 11. Bh3 Ra4 12. Nf3 Nc6 13. c3 cxd4 14. cxd4 Qa5 15. b3 Ra3 16. Qxa5 Rxa5 17. Kd2 Bd7 18. Rhb1 Rfa8 19. Rb2 Ra3 20. g3 Nb4 21. Ne1 Nxa2 22. Nc2 R3a6 23. Bf1 Nb4 24. Rxa6 Nxa6 25. b4 Nc7 1/2-1/2

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "7"]
[White "Kunicki, Michal"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E29"]
[WhiteElo "2000"]
[BlackElo "2292"]
[PlyCount "49"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. e3 d6 8. Bd3 0-0 9. Ne2 b6 10. 0-0 Ba6 11. Ng3 Na5 12. dxc5 dxc5 13. Qe2 Qd7 14. Rd1 Qa4 15. e4 Bxc4 16. Bg5 Bxd3 17. Rxd3 Nd7 18. e5 Rfe8 19. Nh5 Qc4 20. Qe3 Nxe5 21. Qxe5 f6 22. Qe3 fxg5 23. Qxg5 g6 24. Qf6 gxh5 25. Rd7 1-0

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "5"]
[White "Rek, Krzysztof"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1800"]
[BlackElo "2292"]
[PlyCount "104"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e3 d6 6. Nf3 Nbd7 7. Be2 c6 8. Qc2 h6 9. Bh4 e5 10. dxe5 dxe5 11. 0-0 Qe7 12. e4 g5 13. Bg3 Nh5 14. Rfd1 Nf4 15. Rab1 Kh8 16. b4 Nf6 17. c5 Nxe2+ 18. Qxe2 Nh5 19. Rd6 Nf4 20. Qd2 f5 21. Re1 Nxg2 22. Kxg2 f4 23. Bxf4 Rxf4 24. Re3 Bg4 25. Ng1 Raf8 26. f3 Qf7 27. Qd3 Be6 28. a4 g4 29. Rd8 gxf3+ 30. Rxf3 Qg6+ 31. Kh1 Rxd8 32. Qxd8+ Kh7 33. Rg3 Rg4 34. Qd3 h5 35. Nge2 h4 36. Rxg4 Qxg4 37. b5 Bf8 38. bxc6 bxc6 39. Qe3 Bh6 40. Qd3 h3 41. Qg3 Qxg3 42. hxg3 Be3 43. Ng1 Bxc5 44. Nf3 Kh6 45. Kh2 Bd4 46. Ne2 c5 47. Nd2 Kh5 48. Nf3 Kg4 49. Nexd4 exd4 50. Ng1 d3 51. Nxh3 d2 52. Nf2+ Kf3 0-1

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "3"]
[White "Singer, Krystian"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2011"]
[BlackElo "2292"]
[PlyCount "58"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 Bb6 9. f4 d6 10. g4 Nxd4 11. cxd4 Bxg4 12. Qxg4 Bxd4 13. Qe2 Bxb2 14. e5 Qg6+ 15. Kh1 Bxa1 16. f5 Nxf5 17. Bd3 Ng3+ 18. hxg3 Qxg3 19. Bf5 Qh4+ 20. Kg2 Bxe5 21. Rh1 Qg3+ 22. Kf1 Rfe8 23. Rg1 Qh4 24. Bg5 Qh2 25. Qf3 g6 26. Rh1 Qg3 27. Be4 Qxf3+ 28. Bxf3 c6 29. Nd2 d5 0-1

[Event "POL-ch U16"]
[Site "Wisla"]
[Date "2000.??.??"]
[Round "9"]
[White "Tekielak, Sebastian"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2000"]
[BlackElo "2292"]
[PlyCount "54"]
[EventDate "2000.02.26"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. Nc3 e5 7. e4 dxe4 8. dxe4 Bc5 9. h3 Be6 10. Qe2 h6 11. Be3 Qc7 12. Rfd1 0-0 13. Rd2 b5 14. Nh4 a5 15. Rad1 Rfd8 16. Kh2 a4 17. Rxd7 Nxd7 18. Rxd7 Qxd7 19. Bxc5 Qd2 20. Be3 Qxe2 21. Nxe2 Bxa2 22. Nf5 Rd7 23. Nc1 Bc4 24. Bc5 Rd1 25. Ne7+ Kh7 26. Be3 a3 27. bxa3 Rxa3 0-1

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "4"]
[White "Tomczak, Rafal"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2194"]
[BlackElo "2292"]
[PlyCount "51"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Poznan Lech U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. a3 Rb8 13. f5 b4 14. axb4 Rxb4 15. g5 Nd7 16. fxe6 Bxg5+ 17. Kb1 Ne5 18. Nd5 Qc5 19. Qf5 Rxd4 20. Rxd4 0-0 21. Qxg5 Qxd4 22. e7 Qd1+ 23. Ka2 Re8 24. Nf6+ Kh8 25. Nxe8 Be6+ 26. c4 1-0

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "6"]
[White "Walczak, Przemyslaw"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2128"]
[BlackElo "2292"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Lodz Szach Centrum U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. g3 Nf6 2. Nf3 d5 3. Bg2 c6 4. d3 Bg4 5. h3 Bh5 6. Nbd2 Nbd7 7. 0-0 e5 8. Qe1 Bd6 9. e4 0-0 10. Nh4 Bg6 11. Nxg6 hxg6 12. Nf3 dxe4 13. dxe4 Nc5 14. Nh4 Re8 15. Bg5 Ne6 16. Bxf6 Qxf6 17. c3 Rad8 18. Nf3 Bc7 19. Qe2 Nc5 20. Rad1 Bb6 21. h4 a5 22. Ng5 Ne6 23. Nf3 g5 24. hxg5 Nxg5 25. Nxg5 Qxg5 0-1

[Event "POL-chT2 North U19"]
[Site "Biala Podlaska"]
[Date "2000.??.??"]
[Round "2"]
[White "Wozniak, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2079"]
[BlackElo "2292"]
[PlyCount "50"]
[EventDate "2000.07.20"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Bydgoszcz Hetman U19"]
[BlackTeam "Lomza Devo Maraton U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Qb3 a5 6. a3 Bxc3 7. Qxc3 Re8 8. d3 d5 9. cxd5 Nxd5 10. Qc2 Nc6 11. Nf3 Bg4 12. Be3 Nxe3 13. fxe3 e4 14. dxe4 Ne5 15. 0-0 c6 16. Rad1 Qc7 17. Rd4 Re7 18. Rfd1 Rae8 19. Nh4 Nd7 20. Bf3 Be6 21. Ng2 Nf6 22. Nf4 Bc8 23. b4 axb4 24. axb4 h6 25. Kg2 Qb6 1/2-1/2

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Dziuba, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2310"]
[BlackElo "2355"]
[PlyCount "81"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 c5 7. d5 b5 8. cxb5 a6 9. a4 h6 10. Bd2 e6 11. Bc4 exd5 12. exd5 Nbd7 13. Nge2 Nb6 14. Qb3 Nxc4 15. Qxc4 axb5 16. Nxb5 Re8 17. Be3 Re4 18. Qc2 Bf5 19. Qd1 Qe7 20. Nbc3 Rb4 21. Qc1 Ne4 22. 0-0 Qh4 23. Bf4 Re8 24. Bh2 Be5 25. a5 Bxh2+ 26. Kxh2 Bxh3 27. g3 Qg4 28. f3 Qh5 29. Nf4 Qg5 30. Nxe4 Rbxe4 31. fxe4 Bxf1 32. Qxf1 h5 33. Nh3 Qg4 34. Nf2 Qf3 35. Ra3 Qf6 36. Qe2 h4 37. a6 hxg3+ 38. Rxg3 Kg7 39. Kg2 Rh8 40. Qd2 Qh4 41. Rh3 1-0

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Antoniewski, Rafal"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2355"]
[BlackElo "2431"]
[PlyCount "94"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Bb7 9. 0-0-0 Nbd7 10. g4 Nb6 11. Bd3 Rc8 12. Kb1 Nfd7 13. h4 Ne5 14. Qe1 Qc7 15. g5 b4 16. Nce2 d5 17. exd5 Nxd5 18. Nf4 Nxf4 19. Bxf4 Nxd3 20. Rxd3 Qxf4 21. Nxe6 fxe6 22. Qxe6+ Be7 23. Qd7+ Kf8 24. Re1 Rc7 25. Qe6 g6 26. Rd7 Rxd7 27. Qxd7 Qd6 28. Qxb7 Kf7 29. Qe4 Rd8 30. b3 Bf8 31. Qc4+ Qd5 32. Qxa6 Bg7 33. Qe2 Qd4 34. Qe6+ Kf8 35. Qe7+ Kg8 36. Qe6+ Kh8 37. Qe8+ Rxe8 38. Rxe8+ Bf8 39. Rxf8+ Kg7 40. Rb8 Qxh4 41. Rb5 Qe1+ 42. Kb2 Qc3+ 43. Kb1 Qxf3 44. Rxb4 Qg2 45. a4 Qxg5 46. Rb5 Qg2 47. Kb2 h5 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Blehm, Pawel"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2355"]
[BlackElo "2428"]
[PlyCount "54"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. Qe1 Be7 12. Kb1 Qc7 13. f3 b5 14. e5 dxe5 15. Bxe5 Qa5 16. Bd3 b4 17. Bxf6 Bxf6 18. Be4 0-0 19. Ne2 Bxe4 20. fxe4 Qe5 21. Rd4 Rfd8 22. Rxb4 Rab8 23. Rxb8 Rxb8 24. c3 Qxe4+ 25. Ka1 Qc2 26. b3 Rd8 27. Nd4 Rxd4 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2355"]
[BlackElo "2291"]
[PlyCount "31"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e3 c6 9. Bc1 e4 10. a3 exf3 11. Bxf3 Bc5 12. dxc5 Nxc5 13. Nc3 a4 14. Qc2 0-0 15. Ne2 Re8 16. Nd4 1/2-1/2

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Mickiewicz, Piotr"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2355"]
[BlackElo "2230"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Bg5 0-0 7. Qd2 e5 8. d5 cxd5 9. cxd5 a5 10. Nge2 Na6 11. 0-0-0 Bd7 12. Kb1 b5 13. Nc1 Qb6 14. g4 b4 15. N3e2 Rfc8 16. Ng3 Nc5 17. h4 Na4 18. Ka1 Nc3 19. Be3 Qb7 20. Re1 a4 21. Bd3 a3 22. b3 Nfxd5 23. Bh6 Bxh6 24. Qxh6 Nf4 25. h5 Be6 26. Nf5 Bxf5 27. gxf5 Nd1 28. Rxd1 Rxc1+ 29. Rxc1 Qa7 30. Rc2 Qd4+ 31. Kb1 Qxd3 32. hxg6 fxg6 33. Qxh7+ Kf8 34. Qh8+ 1-0

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Pinski, Jan"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2355"]
[BlackElo "2346"]
[PlyCount "132"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. b3 f5 8. N5c3 Nf6 9. Bd3 f4 10. Bb2 0-0 11. Nd5 f3 12. g3 Bh3 13. Nbc3 Ng4 14. Nxe7+ Nxe7 15. Qd2 a6 16. Rg1 Qb6 17. Bf1 Bxf1 18. Rxf1 Nxh2 19. Rh1 Ng4 20. Rh4 Nf6 21. 0-0-0 Rad8 22. Kb1 Qc6 23. Qd3 b5 24. cxb5 axb5 25. Nd5 Nexd5 26. exd5 Qc5 27. Qxf3 Rc8 28. Qe2 Nxd5 29. Qd3 Rxf2 30. Qxh7+ Kf7 31. Qd3 Qc2+ 32. Qxc2 Rcxc2 33. Bxe5 dxe5 34. Rxd5 Rb2+ 35. Kc1 Rxa2 36. Kb1 Rab2+ 37. Kc1 Rxb3 38. Rxe5 Rxg3 39. Re1 Rc3+ 40. Kb1 Rb3+ 41. Kc1 b4 42. Rg4 g6 43. Reg1 Rc3+ 44. Kb1 Rc6 45. Rxb4 Rf5 46. Kb2 g5 47. Kb3 Kf6 48. Rbg4 Rf3+ 49. Kb2 Rc5 50. R4g2 Rf4 51. Kb3 Kg6 52. Rg3 Kh5 53. Rh3+ Rh4 54. Rhg3 g4 55. Kb4 Rc8 56. Kb5 Kg5 57. Kb4 Kf4 58. Kb5 Rh5+ 59. Kb4 Rg5 60. Kb3 Rg7 61. Rc3 Rxc3+ 62. Kxc3 g3 63. Rf1+ Ke3 64. Rf8 g2 65. Re8+ Kf4 66. Rf8+ Ke5 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jakubowski, Marcin"]
[Black "Stryjecki, Marek"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2355"]
[BlackElo "2397"]
[PlyCount "72"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qb6 6. Nb3 Qc7 7. 0-0 d6 8. Nc3 Nf6 9. Be3 Nbd7 10. a4 b6 11. f4 Bb7 12. Kh1 g6 13. Qe2 Bg7 14. Rad1 0-0 15. Rd2 Rfe8 16. Qf3 d5 17. exd5 Nxd5 18. Nxd5 Bxd5 19. Be4 Bxe4 20. Qxe4 Bxb2 21. Rfd1 Nf6 22. Qf3 Rad8 23. Bd4 Bxd4 24. Nxd4 Rd5 25. g3 Red8 26. Rd3 Qc4 27. Qe3 Ng4 28. Qg1 Qxa4 29. h3 Nf6 30. Qe3 Qd7 31. Kh2 b5 32. g4 Qd6 33. c3 Nd7 34. Rf1 e5 35. fxe5 Nxe5 36. Qf4 Nxd3 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Jedryczka, Krystian"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2371"]
[BlackElo "2355"]
[PlyCount "70"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Bb7 10. Bg5 h6 11. Bxf6 Qxf6 12. Bd5 0-0 13. Na3 exd4 14. cxd4 Rfe8 15. axb5 axb5 16. Nxb5 Rxa1 17. Qxa1 Nxd4 18. Nbxd4 Bxd5 19. exd5 Bxd4 20. Qa4 Re4 21. Qc2 Re7 22. Ra1 g6 23. Qd2 Bxb2 24. Rb1 Bc3 25. Qxh6 Re8 26. h4 Bd4 27. h5 Qf5 28. Rd1 Bg7 29. Qc1 Qxh5 30. Qxc7 Be5 31. Qd7 Kf8 32. Rc1 Bf4 33. Rc4 Bh2+ 34. Nxh2 Re1+ 35. Nf1 Rxf1+ 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Najbar, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2214"]
[BlackElo "2355"]
[PlyCount "66"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. 0-0 0-0 9. Kh1 Nc6 10. Be3 Bd7 11. Nb3 Rc8 12. f4 e5 13. a5 Nb4 14. Bb6 Qe8 15. Bf3 Bc6 16. Rf2 Nd7 17. Nd5 Nxd5 18. exd5 Bb5 19. fxe5 Nxe5 20. Be4 g6 21. Bd4 f5 22. Bf3 Bf6 23. Be2 Bd7 24. Qd2 Qf7 25. Bc3 Rfe8 26. Bb4 Nc4 27. Bxc4 Rxc4 28. Bxd6 Bxb2 29. Rd1 Bb5 30. h3 Bc3 31. Qg5 Rce4 32. Rf3 Bf6 33. Qc1 Be2 0-1

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Szelag, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2408"]
[BlackElo "2355"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. Nxe5 Nxe5 8. d4 Bxd4 9. Qxd4 d6 10. f4 c5 11. Qc3 Neg4 12. e5 Ne4 13. Qf3 d5 14. c4 bxc4 15. Ba4+ Kf8 16. Nc3 Nxc3 17. bxc3 Rb8 18. Ba3 Kg8 19. Bxc5 Qa5 20. Qxd5 h5 21. Qd6 Rb2 22. Bc6 Bf5 23. Bf3 Kh7 24. Bb4 Qa4 25. Qd4 Rxa2 26. Rxa2 Qxa2 27. Be4 Nh6 28. Bxf5+ Nxf5 29. Qe4 g6 30. e6 Re8 31. Qb7 Ng7 32. exf7 1-0

[Event "POL-ch U20"]
[Site "Trzebinia"]
[Date "1999.??.??"]
[Round "?"]
[White "Szymanski, Marcin"]
[Black "Jakubowski, Marcin"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2304"]
[BlackElo "2355"]
[PlyCount "93"]
[EventDate "1999.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[EventCategory "4"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. c4 c6 6. Nc3 Qb6 7. e4 e6 8. e5 Nfd7 9. cxd5 cxd5 10. Qd2 Nc6 11. Rd1 Be7 12. Be3 Nf8 13. f4 Bd7 14. Nf3 0-0-0 15. a3 Kb8 16. b4 Qc7 17. Rc1 Rc8 18. Na4 Qd8 19. Nc5 h6 20. Be2 Rg8 21. 0-0 Ka8 22. Rc2 g5 23. Rfc1 Ng6 24. fxg5 hxg5 25. Nxd7 Qxd7 26. Bxg5 Bxg5 27. Qxg5 Nge7 28. Qf4 Nf5 29. Bd3 Nce7 30. Bxf5 Nxf5 31. Rxc8+ Rxc8 32. Rxc8+ Qxc8 33. g4 Qg8 34. Qg5 Qxg5 35. Nxg5 Nh6 36. h3 Kb8 37. a4 Kc7 38. Kg2 Kd8 39. Kg3 Ke8 40. Nh7 Ke7 41. Kf4 Ng8 42. h4 a6 43. h5 b5 44. axb5 axb5 45. Kg5 Kd8 46. h6 Ne7 47. Nf8 1-0

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.30"]
[Round "11"]
[White "Jakubowski, Marcin"]
[Black "Moldawski, Tomasz"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2255"]
[PlyCount "95"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Plock PTSz U19"]
[BlackTeam "Wisla Strumien U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. Ngf3 dxe5 7. Bxe5 Nxe5 8. Nxe5 Qd4 9. Nd3 Bxd2+ 10. Qxd2 Qxc4 11. e3 0-0 12. Nf4 Qa4 13. Bd3 Nd7 14. 0-0 Nf6 15. Rac1 Qd7 16. Rfd1 Qe8 17. Qc2 c6 18. h3 Be6 19. Nxe6 Qxe6 20. Bc4 Qe7 21. Rd2 Rfd8 22. Rcd1 Kf8 23. Be2 Ke8 24. Bf3 Rxd2 25. Qxd2 Rd8 26. Qxd8+ Qxd8 27. Rxd8+ Kxd8 28. Kf1 Kd7 29. Ke2 Kd6 30. e4 Ke5 31. Ke3 Nd7 32. Bd1 f6 33. f4+ Kd6 34. h4 g6 35. g4 h6 36. Bc2 Ke6 37. e5 g5 38. Bf5+ Ke7 39. Bxd7 Kxd7 40. hxg5 fxg5 41. f5 c5 42. Ke4 c4 43. a4 b6 44. Kd4 a6 45. Kxc4 b5+ 46. axb5 axb5+ 47. Kd5 b4 48. f6 1-0

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.29"]
[Round "10"]
[White "Heberla, Bartlomiej"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2115"]
[BlackElo "2255"]
[PlyCount "36"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Rybnik MKSz U19"]
[BlackTeam "Plock PTSz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. 0-0 0-0 9. Bxc6 bxc6 10. f3 f6 11. exf6 Qxf6 12. Be3 Ba6 13. Re1 Rae8 14. Nb3 Bd6 15. fxe4 Qh4 16. g3 Bxg3 17. hxg3 Qxg3+ 18. Kh1 Rxe4 0-1

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.28"]
[Round "9"]
[White "Jakubowski, Marcin"]
[Black "Zawadzki, Stanislaw"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2255"]
[BlackElo "2245"]
[PlyCount "119"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Plock PTSz U19"]
[BlackTeam "Wroclaw Srodmiescie U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 d6 7. e4 g6 8. a4 Bg7 9. a5 Qb4 10. Ra4 Qb7 11. Bc4 0-0 12. f4 Bd7 13. Ra3 Bb5 14. Qd3 Bxc4 15. Qxc4 Qb4 16. Ra4 Qxc4 17. Rxc4 Nbd7 18. Nf3 e6 19. Ke2 exd5 20. exd5 Rab8 21. Kd3 Rfe8 22. Re1 Rxe1 23. Nxe1 Ne8 24. Re4 Kf8 25. Nc2 Nc7 26. Kc4 Bxc3 27. bxc3 Nxd5 28. Re1 N5f6 29. Na3 d5+ 30. Kd3 Ng4 31. h3 Nf2+ 32. Kc2 c4 33. f5 Nd3 34. Bh6+ Kg8 35. Re7 N7c5 36. f6 Ne4 37. Nxc4 Ne1+ 38. Kc1 Nxf6 39. Nd6 Nxg2 40. Rxf7 Nh5 41. Rf2 Nh4 42. Bg5 Nf5 43. Nxf5 gxf5 44. Rxf5 Rb5 45. Bh6 Ng7 46. Rg5 Rb7 47. Kd2 Kh8 48. Rxg7 Rxg7 49. Bxg7+ Kxg7 50. Kd3 Kf6 51. Kd4 Ke6 52. Kc5 Ke5 53. Kb6 Kd6 54. h4 h5 55. Kxa6 Kc7 56. Kb5 Kb7 57. Kc5 Ka6 58. Kxd5 Kxa5 59. c4 Kb6 60. Kd6 1-0

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.27"]
[Round "8"]
[White "Dryja, Piotr"]
[Black "Jakubowski, Marcin"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2255"]
[PlyCount "97"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Jasien Lubtor U19"]
[BlackTeam "Plock PTSz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 e6 5. Be2 Nge7 6. 0-0 Nd4 7. Nxd4 cxd4 8. Bb5+ Nc6 9. Ne2 Qb6 10. Bxc6+ bxc6 11. d3 g6 12. Kh1 Bg7 13. Rb1 0-0 14. Ng3 f5 15. Bd2 Bd7 16. Qe1 Rfe8 17. Ba5 Qa6 18. Bc7 c5 19. Qa5 Qc6 20. e5 Bf8 21. Bxd6 Bxd6 22. exd6 Qxd6 23. b4 Rec8 24. b5 Rab8 25. Ne2 Qc7 26. Qxc7 Rxc7 27. c4 dxc3 28. Nxc3 Kf7 29. Rf2 Ke7 30. Rfb2 Rcb7 31. a4 a6 32. Kg1 axb5 33. axb5 Kd6 34. Kf2 Rb6 35. Ke3 Ra8 36. d4 Ra3 37. Rb3 Rxb3 38. Rxb3 Rb8 39. g3 Bc6 40. Rb2 Bd5 41. Na4 c4 42. Nc3 Ra8 43. Ra2 Rxa2 44. Nxa2 Kc7 45. Kd2 Kb6 46. Kc3 Kxb5 47. Nb4 Be4 48. Na2 h6 49. h4 1/2-1/2

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.26"]
[Round "7"]
[White "Jakubowski, Marcin"]
[Black "Krysztofiak, Marcin"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2255"]
[BlackElo "2055"]
[PlyCount "83"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Plock PTSz U19"]
[BlackTeam "Warszawa Polonia PKO BP U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 Nbd7 7. Be2 e5 8. dxe5 dxe5 9. 0-0 h6 10. Bh4 c6 11. Qc2 Qe7 12. Rfd1 g5 13. Bg3 Ne8 14. Nd2 f5 15. f3 h5 16. Nf1 Bh6 17. Bf2 Ng7 18. e4 f4 19. c5 Nf6 20. Nd2 g4 21. Kh1 g3 22. Bg1 gxh2 23. Bf2 Nh7 24. Nc4 h4 25. Rd6 Bg5 26. Kxh2 Ne8 27. Nxe5 Nxd6 28. Ng6 Qd7 29. Nxf8 Nxf8 30. cxd6 h3 31. Bc4+ Kh7 32. e5+ Kh6 33. g4 fxg3+ 34. Bxg3 Qe8 35. Re1 Qh5 36. Qe4 Ne6 37. Bd3 Qf7 38. Rf1 Nf4 39. Bxf4 Bxf4+ 40. Kh1 Be6 41. Rg1 Bg5 42. f4 1-0

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.25"]
[Round "6"]
[White "Barglowski, Filip"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2055"]
[BlackElo "2255"]
[PlyCount "66"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Gorzow Wielkopolski Stilon U19"]
[BlackTeam "Plock PTSz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 6. Bc4 d6 7. 0-0 Bxc3 8. bxc3 Nf6 9. Bg5 0-0 10. Re1 h6 11. Bh4 Bg4 12. Rb1 Rb8 13. h3 Bxf3 14. gxf3 Ne5 15. Bb3 Ng6 16. Bg3 Nh5 17. Qd5 Qg5 18. Kh2 Nhf4 19. Qf5 Nd3 20. Re3 Nc5 21. Qxg5 hxg5 22. Bc4 Rfe8 23. Kg1 Kf8 24. Rbe1 f6 25. a3 Ke7 26. Rd1 Rh8 27. Bf1 Ne6 28. c4 b6 29. Kh2 Rh5 30. Bg2 Rbh8 31. Rh1 Ngf4 32. Bxf4 Nxf4 33. Kg3 Rh4 0-1

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.24"]
[Round "5"]
[White "Jakubowski, Marcin"]
[Black "Szoen, Dariusz"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2255"]
[PlyCount "91"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Plock PTSz U19"]
[BlackTeam "Jaworzno JKSz MCKiS U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. e3 Nbd7 7. Be2 c6 8. Qc2 Qc7 9. 0-0 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Rfd1 Be6 13. Rd2 Rfd8 14. Rad1 Rxd2 15. Qxd2 Qd7 16. Qc2 Qc7 17. Bh4 Rd8 18. Bg3 Rxd1+ 19. Qxd1 Nd7 20. Ne4 h6 21. f3 f5 22. Qd6 Qxd6 23. Nxd6 b6 24. Nc8 Kf7 25. Nxa7 Nb8 26. e4 Bf6 27. b4 Ke8 28. Bf2 Bd8 29. a4 Kd7 30. c5 Bb3 31. cxb6 Bxa4 32. b5 cxb5 33. Bxb5+ Bxb5 34. Nxb5 Kc6 35. Na3 Nd7 36. Nc4 fxe4 37. fxe4 Be7 38. Bg3 Bc5+ 39. Kf1 Bd4 40. Bf2 Kc5 41. Nxe5 Nxe5 42. b7 Nc6 43. Bg3 Bg7 44. Ke2 Kd4 45. b8Q Nxb8 46. Bxb8 1/2-1/2

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.23"]
[Round "4"]
[White "Muklewicz, Ryszard"]
[Black "Jakubowski, Marcin"]
[Result "0-1"]
[ECO "A22"]
[BlackElo "2255"]
[PlyCount "110"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Gdansk Gedania U19"]
[BlackTeam "Plock PTSz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. a3 Bxc3 6. bxc3 e4 7. d4 d6 8. Bg5 Bf5 9. Qb1 Nbd7 10. e3 Rb8 11. Ne2 Re8 12. 0-0 h6 13. Bxf6 Nxf6 14. h3 Qd7 15. Kh2 Qc6 16. Qb5 Be6 17. Qxc6 bxc6 18. d5 cxd5 19. cxd5 Bxd5 20. Rfb1 Bc4 21. Nd4 Bd3 22. Rb4 Nd5 23. Rxb8 Rxb8 24. Rc1 Rb2 25. Kg1 Ra2 26. c4 Nf6 27. Rc3 a6 28. Nc6 Nd7 29. Nb4 Ra1+ 30. Kh2 Nc5 31. Nd5 Rb1 32. a4 Nxa4 33. Ra3 Nc5 34. Nxc7 Bxc4 35. Ne8 d5 36. Ra5 Rb5 37. Ra1 Rb6 38. Bf1 Bxf1 39. Rxf1 Nd3 40. Nc7 Rd6 41. Ra1 Nxf2 42. Nxa6 Nd1 43. Rxd1 Rxa6 44. Rxd5 Ra3 45. Kg2 Rxe3 46. Rf5 g6 47. Ra5 Kg7 48. Ra4 f5 49. h4 h5 50. Ra6 Rd3 51. Kf2 f4 52. gxf4 Rf3+ 53. Kg2 Rxf4 54. Kg3 Rg4+ 55. Kf2 Rxh4 0-1

[Event "POL-chT U19 29th"]
[Site "Rowy"]
[Date "1998.08.22"]
[Round "3"]
[White "Jakubowski, Marcin"]
[Black "Poniatowski, Pawel"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2255"]
[BlackElo "2110"]
[PlyCount "37"]
[EventDate "1998.08.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Plock PTSz U19"]
[BlackTeam "Legnica Miedz U19"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. f4 Ng4 6. f5 Bf2+ 7. Kf1 Ne3+ 8. Bxe3 Bxe3 9. Qh5 Qd7 10. Be6 Qe7 11. Bxc8 c6 12. f6 Qxf6+ 13. Qf3 Qxf3+ 14. Nxf3 Nd7 15. Bxb7 Rb8 16. Bxc6 Rxb2 17. Nd1 Rxc2 18. Bxd7+ Kxd7 19. Nxe3 1-0

