[Event "POL-chT Ekstraliga"]
[Site "Chotowa"]
[Date "2025.06.05"]
[Round "4.5"]
[White "Jakubowski, Krzysztof"]
[Black "Koziorowicz, Michal"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2448"]
[BlackElo "2294"]
[PlyCount "37"]
[EventDate "2025.06.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]
[WhiteTeam "Raciborz Silesia"]
[BlackTeam "Gorzow Wielkopolski Stilon"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 e6 2. g3 b5 3. e4 Bb7 4. Qe2 Be7 5. Bg2 a6 6. 0-0 c5 7. a4 b4 8. d4 cxd4 9. Nxd4 Nc6 10. Be3 Qc7 11. c4 Nxd4 12. Bxd4 e5 13. Be3 Nf6 14. Nd2 d6 15. b3 0-0 16. Rfe1 Nd7 17. Nf1 a5 18. Qc2 Rad8 19. Rad1 1/2-1/2

[Event "POL-chT Ekstraliga"]
[Site "Chotowa"]
[Date "2025.06.04"]
[Round "3.5"]
[White "Golecki, Jan"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2268"]
[BlackElo "2448"]
[PlyCount "80"]
[EventDate "2025.06.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB24_2025"]
[SourceDate "2025.06.11"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.11"]
[SourceQuality "1"]
[WhiteTeam "Chylice Laura"]
[BlackTeam "Raciborz Silesia"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 7. h3 Bd7 8. Be3 Nc6 9. 0-0 Bg7 10. a4 0-0 11. Nb3 Rc8 12. f4 Nb4 13. a5 Be6 14. Nd4 Bc4 15. Ra4 Bxd3 16. cxd3 Nc6 17. Nxc6 bxc6 18. d4 Rb8 19. Qe2 Qd7 20. Qxa6 Rxb2 21. Rc4 d5 22. Rxc6 Nxe4 23. Nxe4 dxe4 24. Qc4 Ra8 25. a6 e6 26. Rc7 Qd5 27. Rc8+ Rxc8 28. Qxc8+ Bf8 29. f5 Qa2 30. Rf2 Qb1+ 31. Kh2 Rb8 32. Qd7 exf5 33. a7 Ra8 34. d5 Qe1 35. Qb7 Qxe3 36. Qxa8 Qxf2 37. Qb8 f4 38. a8Q Qg3+ 39. Kg1 Qe1+ 40. Kh2 Qg3+ 1/2-1/2

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Brown, Akeem"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2055"]
[BlackElo "2448"]
[PlyCount "63"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 a6 7. Qd2 Nge7 8. 0-0-0 b5 9. Nxc6 Nxc6 10. Bf4 e5 11. Be3 Be6 12. Nd5 Bxd5 13. Qxd5 Rc8 14. a3 Be7 15. Kb1 0-0 16. Be2 Qc7 17. Bg4 Rb8 18. f4 b4 19. a4 b3 20. cxb3 Nb4 21. Qc4 Qb7 22. fxe5 dxe5 23. Rd7 Qc6 24. Rxe7 Qg6 25. Bf3 h5 26. Rc1 Rfd8 27. Ba7 Rbc8 28. Qxb4 Rxc1+ 29. Kxc1 a5 30. Qc5 Qa6 31. Kb1 Rd2 32. Qc4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Brown, Akeem"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2055"]
[BlackElo "2448"]
[PlyCount "63"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 a6 7. Qd2 Nge7 8. 0-0-0 b5 9. Nxc6 Nxc6 10. Bf4 e5 11. Be3 Be6 12. Nd5 Bxd5 13. Qxd5 Rc8 14. a3 Be7 15. Kb1 0-0 16. Be2 Qc7 17. Bg4 Rb8 18. f4 b4 19. a4 b3 20. cxb3 Nb4 21. Qc4 Qb7 22. fxe5 dxe5 23. Rd7 Qc6 24. Rxe7 Qg6 25. Bf3 h5 26. Rc1 Rfd8 27. Ba7 Rbc8 28. Qxb4 Rxc1+ 29. Kxc1 a5 30. Qc5 Qa6 31. Kb1 Rd2 32. Qc4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Calvo Gonzalez, Jose Felix"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2168"]
[BlackElo "2448"]
[PlyCount "82"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 a6 7. f4 Nge7 8. Qd2 b5 9. a3 Nxd4 10. Bxd4 Nc6 11. Be3 Be7 12. Bd3 0-0 13. 0-0 Bb7 14. Rad1 Rc8 15. Ne2 Na5 16. b3 d5 17. e5 Bxa3 18. b4 Nc4 19. Bxc4 Rxc4 20. Bc5 Rxc5 21. bxc5 Bxc5+ 22. Kh1 a5 23. c3 g6 24. Rb1 Ba6 25. Nd4 Qd7 26. Qd3 Rb8 27. Rfd1 a4 28. Nc2 Qc7 29. Nb4 Bc8 30. h3 Qb6 31. Rf1 Bd7 32. Nc2 Rc8 33. Nb4 Bf8 34. Rbc1 Rc4 35. Nc2 Qc7 36. Ne3 Re4 37. f5 gxf5 38. Rxf5 Bh6 39. Ng4 Bxc1 40. Nf6+ Kf8 41. Nxe4 dxe4 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Calvo Gonzalez, Jose Felix"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2168"]
[BlackElo "2448"]
[PlyCount "82"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 a6 7. f4 Nge7 8. Qd2 b5 9. a3 Nxd4 10. Bxd4 Nc6 11. Be3 Be7 12. Bd3 0-0 13. 0-0 Bb7 14. Rad1 Rc8 15. Ne2 Na5 16. b3 d5 17. e5 Bxa3 18. b4 Nc4 19. Bxc4 Rxc4 20. Bc5 Rxc5 21. bxc5 Bxc5+ 22. Kh1 a5 23. c3 g6 24. Rb1 Ba6 25. Nd4 Qd7 26. Qd3 Rb8 27. Rfd1 a4 28. Nc2 Qc7 29. Nb4 Bc8 30. h3 Qb6 31. Rf1 Bd7 32. Nc2 Rc8 33. Nb4 Bf8 34. Rbc1 Rc4 35. Nc2 Qc7 36. Ne3 Re4 37. f5 gxf5 38. Rxf5 Bh6 39. Ng4 Bxc1 40. Nf6+ Kf8 41. Nxe4 dxe4 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Jiganchine, Roman"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2448"]
[BlackElo "2205"]
[PlyCount "115"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Na5 8. Ba2 c5 9. Nbd2 Nc6 10. c3 Qc7 11. Nc4 b6 12. Bg5 Be6 13. Bxf6 Bxf6 14. Ne3 Ne7 15. g3 Kh8 16. h4 h6 17. Nd2 Qd7 18. Qf3 Rad8 19. Bc4 Qb7 20. Ng4 Ng8 21. Re2 Qd7 22. Ne3 Qb7 23. Rae1 Ne7 24. Ng4 Ng8 25. Nf1 Qd7 26. Nfe3 Qxa4 27. Nd5 Bxd5 28. Bxd5 Qd7 29. Ne3 Ne7 30. Kg2 a5 31. Rh1 b5 32. Ba2 a4 33. Ng4 Ng8 34. Ne3 Ne7 35. Ree1 b4 36. cxb4 cxb4 37. Bc4 Ra8 38. Ra1 a3 39. bxa3 bxa3 40. Ra2 Qc7 41. Rha1 Qc5 42. Qd1 Ra5 43. Ng4 Ng8 44. Qb3 Rfa8 45. Bxf7 Ne7 46. Bc4 Qc7 47. Nxf6 gxf6 48. Rxa3 Rxa3 49. Rxa3 Rxa3 50. Qxa3 Kg7 51. Qc1 Qc5 52. Qd1 Qd4 53. Qg4+ Kf8 54. Qe6 d5 55. exd5 Ng6 56. d6 Nxh4+ 57. gxh4 Qf4 58. Qf7# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Jiganchine, Roman"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2448"]
[BlackElo "2205"]
[PlyCount "115"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Na5 8. Ba2 c5 9. Nbd2 Nc6 10. c3 Qc7 11. Nc4 b6 12. Bg5 Be6 13. Bxf6 Bxf6 14. Ne3 Ne7 15. g3 Kh8 16. h4 h6 17. Nd2 Qd7 18. Qf3 Rad8 19. Bc4 Qb7 20. Ng4 Ng8 21. Re2 Qd7 22. Ne3 Qb7 23. Rae1 Ne7 24. Ng4 Ng8 25. Nf1 Qd7 26. Nfe3 Qxa4 27. Nd5 Bxd5 28. Bxd5 Qd7 29. Ne3 Ne7 30. Kg2 a5 31. Rh1 b5 32. Ba2 a4 33. Ng4 Ng8 34. Ne3 Ne7 35. Ree1 b4 36. cxb4 cxb4 37. Bc4 Ra8 38. Ra1 a3 39. bxa3 bxa3 40. Ra2 Qc7 41. Rha1 Qc5 42. Qd1 Ra5 43. Ng4 Ng8 44. Qb3 Rfa8 45. Bxf7 Ne7 46. Bc4 Qc7 47. Nxf6 gxf6 48. Rxa3 Rxa3 49. Rxa3 Rxa3 50. Qxa3 Kg7 51. Qc1 Qc5 52. Qd1 Qd4 53. Qg4+ Kf8 54. Qe6 d5 55. exd5 Ng6 56. d6 Nxh4+ 57. gxh4 Qf4 58. Qf7# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Jakubowski, Krzysztof"]
[Black "Levitan, Judah Nathan"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2448"]
[BlackElo "2127"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 d5 7. exd5 Nxd5 8. Nxc6 bxc6 9. Ne4 Be7 10. c4 Nf6 11. Nxf6+ Bxf6 12. Qxd8+ Kxd8 13. Kd1 c5 14. Kc2 Bb7 15. f3 Ke7 16. Be3 Rac8 17. Be2 Bd4 18. Bxd4 cxd4 19. Rhd1 Rhd8 20. b4 Ba6 21. Kb3 d3 22. Bxd3 Rxd3+ 23. Rxd3 Bxc4+ 24. Kc3 Bxd3+ 25. Kxd3 Kd6 26. Re1 Kd5 27. Re4 Rc1 28. Rd4+ Ke5 29. f4+ Kf5 30. b5 e5 31. fxe5 Kxe5 32. Ra4 Rb1 33. Kc4 Rc1+ 34. Kb4 Rb1+ 35. Ka5 Kd5 36. Ka6 Kc5 37. Rf4 f6 38. a4 Rb2 39. Kxa7 Rxg2 40. b6 Rxh2 41. b7 Rb2 42. b8Q Rxb8 43. Kxb8 h5 44. Kb7 g5 45. Rxf6 Kb4 46. Rg6 g4 47. Kc6 Kxa4 48. Kd5 Kb3 49. Ke4 Kc3 50. Kf4 Kd4 51. Rh6 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Jakubowski, Krzysztof"]
[Black "Levitan, Judah Nathan"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2448"]
[BlackElo "2127"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 d5 7. exd5 Nxd5 8. Nxc6 bxc6 9. Ne4 Be7 10. c4 Nf6 11. Nxf6+ Bxf6 12. Qxd8+ Kxd8 13. Kd1 c5 14. Kc2 Bb7 15. f3 Ke7 16. Be3 Rac8 17. Be2 Bd4 18. Bxd4 cxd4 19. Rhd1 Rhd8 20. b4 Ba6 21. Kb3 d3 22. Bxd3 Rxd3+ 23. Rxd3 Bxc4+ 24. Kc3 Bxd3+ 25. Kxd3 Kd6 26. Re1 Kd5 27. Re4 Rc1 28. Rd4+ Ke5 29. f4+ Kf5 30. b5 e5 31. fxe5 Kxe5 32. Ra4 Rb1 33. Kc4 Rc1+ 34. Kb4 Rb1+ 35. Ka5 Kd5 36. Ka6 Kc5 37. Rf4 f6 38. a4 Rb2 39. Kxa7 Rxg2 40. b6 Rxh2 41. b7 Rb2 42. b8Q Rxb8 43. Kxb8 h5 44. Kb7 g5 45. Rxf6 Kb4 46. Rg6 g4 47. Kc6 Kxa4 48. Kd5 Kb3 49. Ke4 Kc3 50. Kf4 Kd4 51. Rh6 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Shahinyan, Vladimir"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2448"]
[BlackElo "2202"]
[PlyCount "120"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 dxe4 5. Nxe4 h6 6. Bd3 Nf6 7. c3 Nxe4 8. Bxe4 Bd6 9. 0-0 0-0 10. Re1 Qf6 11. Bc2 Ne7 12. Ne5 Nf5 13. Qd3 Rd8 14. f4 c5 15. g4 Bxe5 16. dxe5 Qh4 17. Qe2 Ne7 18. Be3 Nd5 19. Bf2 Qh3 20. Bg3 Bd7 21. Be4 h5 22. gxh5 Bc6 23. Rad1 Rd7 24. c4 Ne7 25. Rxd7 Bxd7 26. Bxb7 Rb8 27. Bg2 Qf5 28. b3 Bc6 29. Bxc6 Nxc6 30. Qe4 Nd4 31. Qxf5 exf5 32. Rd1 Rd8 33. Kf2 Kh7 34. Rd3 Kh6 35. Kf1 Kxh5 36. h3 Rh8 37. Bf2 Ne6 38. Rd7 Kg6 39. Rd6 Rxh3 40. Bxc5 Rf3+ 41. Ke2 Rxf4 42. Bxa7 Re4+ 43. Kd3 Rxe5 44. c5 f4 45. c6 Kf5 46. Rxe6 Rxe6 47. c7 Rd6+ 48. Ke2 Rc6 49. Bb8 Ke4 50. b4 f3+ 51. Ke1 Ke3 52. Ba7+ Ke4 53. Bb6 g5 54. b5 Rc2 55. Kd1 Rc4 56. a4 g4 57. a5 g3 58. a6 f2 59. Ke2 Rc2+ 60. Kd1 Ra2 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Shahinyan, Vladimir"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2448"]
[BlackElo "2202"]
[PlyCount "120"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 dxe4 5. Nxe4 h6 6. Bd3 Nf6 7. c3 Nxe4 8. Bxe4 Bd6 9. 0-0 0-0 10. Re1 Qf6 11. Bc2 Ne7 12. Ne5 Nf5 13. Qd3 Rd8 14. f4 c5 15. g4 Bxe5 16. dxe5 Qh4 17. Qe2 Ne7 18. Be3 Nd5 19. Bf2 Qh3 20. Bg3 Bd7 21. Be4 h5 22. gxh5 Bc6 23. Rad1 Rd7 24. c4 Ne7 25. Rxd7 Bxd7 26. Bxb7 Rb8 27. Bg2 Qf5 28. b3 Bc6 29. Bxc6 Nxc6 30. Qe4 Nd4 31. Qxf5 exf5 32. Rd1 Rd8 33. Kf2 Kh7 34. Rd3 Kh6 35. Kf1 Kxh5 36. h3 Rh8 37. Bf2 Ne6 38. Rd7 Kg6 39. Rd6 Rxh3 40. Bxc5 Rf3+ 41. Ke2 Rxf4 42. Bxa7 Re4+ 43. Kd3 Rxe5 44. c5 f4 45. c6 Kf5 46. Rxe6 Rxe6 47. c7 Rd6+ 48. Ke2 Rc6 49. Bb8 Ke4 50. b4 f3+ 51. Ke1 Ke3 52. Ba7+ Ke4 53. Bb6 g5 54. b5 Rc2 55. Kd1 Rc4 56. a4 g4 57. a5 g3 58. a6 f2 59. Ke2 Rc2+ 60. Kd1 Ra2 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Shishkov, Andrei"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2448"]
[BlackElo "2343"]
[PlyCount "64"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 Bg4 6. Be2 Nc6 7. Be3 e6 8. 0-0 Bxf3 9. Bxf3 Nxc4 10. Bxc6+ bxc6 11. Qa4 Nb6 12. Qxc6+ Qd7 13. Qc2 Bd6 14. Nc3 0-0 15. Ne4 Rfb8 16. Ng5 f5 17. Rfe1 h6 18. Nf3 Nd5 19. Bd2 a5 20. Re2 Qb5 21. Bc3 Nf4 22. Re3 Qd5 23. a3 Rb6 24. Rae1 a4 25. h4 Qb3 26. Qc1 Qc4 27. Nd2 Qd5 28. Rg3 Rc6 29. Qd1 Kh8 30. Nf3 Bxa3 31. Ne5 Rxc3 32. Rxc3 Qxg2# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Shishkov, Andrei"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2448"]
[BlackElo "2343"]
[PlyCount "64"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 Bg4 6. Be2 Nc6 7. Be3 e6 8. 0-0 Bxf3 9. Bxf3 Nxc4 10. Bxc6+ bxc6 11. Qa4 Nb6 12. Qxc6+ Qd7 13. Qc2 Bd6 14. Nc3 0-0 15. Ne4 Rfb8 16. Ng5 f5 17. Rfe1 h6 18. Nf3 Nd5 19. Bd2 a5 20. Re2 Qb5 21. Bc3 Nf4 22. Re3 Qd5 23. a3 Rb6 24. Rae1 a4 25. h4 Qb3 26. Qc1 Qc4 27. Nd2 Qd5 28. Rg3 Rc6 29. Qd1 Kh8 30. Nf3 Bxa3 31. Ne5 Rxc3 32. Rxc3 Qxg2# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Urbina Perez, Juan Antonio"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2448"]
[BlackElo "2221"]
[PlyCount "123"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. b3 g6 4. Bb2 Nf6 5. e5 Nd5 6. h4 h5 7. c4 Nc7 8. e6 f6 9. Bd3 Rg8 10. Ne5 fxe5 11. Bxg6+ Rxg6 12. Qxh5 dxe6 13. Qxg6+ Kd7 14. h5 Qe8 15. Qxe8+ Nxe8 16. h6 Nc6 17. Nc3 Bxh6 18. Rxh6 Nf6 19. Na4 Kc7 20. Rh8 b6 21. Ke2 Bb7 22. Rxa8 Bxa8 23. Rh1 Nd4+ 24. Bxd4 cxd4 25. f3 e4 26. Rh8 Bc6 27. Nb2 exf3+ 28. gxf3 e5 29. d3 b5 30. Nd1 bxc4 31. bxc4 Nd7 32. Nf2 Nc5 33. Rh7 Kd7 34. Ng4 Kd6 35. Rh5 Nd7 36. Rh6+ e6 37. Rh8 Nc5 38. Rh5 Nd7 39. Rh6 Nc5 40. Nf6 Na4 41. Ne4+ Bxe4 42. fxe4 Nc3+ 43. Kd2 Nxa2 44. Rh8 Nb4 45. Rd8+ Kc7 46. Re8 Kd7 47. Ra8 Kc7 48. Ra7+ Kb6 49. Re7 a5 50. Rxe6+ Nc6 51. Kc2 Kc5 52. Kb3 Kb6 53. Ka4 Kc5 54. Rxc6+ Kxc6 55. Kxa5 Kc5 56. Ka4 Kc6 57. Kb4 Kb6 58. c5+ Kc6 59. Kc4 Kc7 60. Kd5 Kd7 61. Kxe5 Kc6 62. Kxd4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Urbina Perez, Juan Antonio"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2448"]
[BlackElo "2221"]
[PlyCount "123"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. b3 g6 4. Bb2 Nf6 5. e5 Nd5 6. h4 h5 7. c4 Nc7 8. e6 f6 9. Bd3 Rg8 10. Ne5 fxe5 11. Bxg6+ Rxg6 12. Qxh5 dxe6 13. Qxg6+ Kd7 14. h5 Qe8 15. Qxe8+ Nxe8 16. h6 Nc6 17. Nc3 Bxh6 18. Rxh6 Nf6 19. Na4 Kc7 20. Rh8 b6 21. Ke2 Bb7 22. Rxa8 Bxa8 23. Rh1 Nd4+ 24. Bxd4 cxd4 25. f3 e4 26. Rh8 Bc6 27. Nb2 exf3+ 28. gxf3 e5 29. d3 b5 30. Nd1 bxc4 31. bxc4 Nd7 32. Nf2 Nc5 33. Rh7 Kd7 34. Ng4 Kd6 35. Rh5 Nd7 36. Rh6+ e6 37. Rh8 Nc5 38. Rh5 Nd7 39. Rh6 Nc5 40. Nf6 Na4 41. Ne4+ Bxe4 42. fxe4 Nc3+ 43. Kd2 Nxa2 44. Rh8 Nb4 45. Rd8+ Kc7 46. Re8 Kd7 47. Ra8 Kc7 48. Ra7+ Kb6 49. Re7 a5 50. Rxe6+ Nc6 51. Kc2 Kc5 52. Kb3 Kb6 53. Ka4 Kc5 54. Rxc6+ Kxc6 55. Kxa5 Kc5 56. Ka4 Kc6 57. Kb4 Kb6 58. c5+ Kc6 59. Kc4 Kc7 60. Kd5 Kd7 61. Kxe5 Kc6 62. Kxd4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Krzywda, Andrzej"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2175"]
[BlackElo "2448"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. 0-0-0 Nd7 7. h4 h5 8. f3 Nb6 9. Bd3 b4 10. Nce2 a5 11. Nf4 Nf6 12. Kb1 e6 13. Ngh3 Bd7 14. Ng5 Qc8 15. Rhe1 c5 16. dxc5 dxc5 17. e5 Nfd5 18. Nxd5 Nxd5 19. Bc4 Bc6 20. Bxc5 Rb8 21. Bd6 Rb6 22. Ne4 Qa8 23. Qd4 Rb7 24. Qc5 Rd7 25. Bb5 Bxb5 26. Qxb5 Qb7 27. Qa4 Nc3+ 28. bxc3 bxc3+ 29. Qb3 Qc8 30. Nc5 Rxd6 31. Rxd6 0-0 32. Ne4 Bxe5 33. Rd3 Qa8 34. Ka1 Rb8 35. Qc4 Qb7 36. Qb3 Qa7 37. Qa3 Kg7 38. Rb1 Rb2 39. Nxc3 Rb4 40. Rxb4 Qc5 41. Rb3 Qg1+ 42. Rb1 Qxg2 43. Qb2 Qf2 44. a4 Qxh4 45. Ka2 Qc4+ 46. Qb3 Qf4 47. Rg1 h4 48. Rg4 Qh2 49. Ne4 Qh1 50. c3 h3 51. Qb5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Krzywda, Andrzej"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2175"]
[BlackElo "2448"]
[PlyCount "101"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. 0-0-0 Nd7 7. h4 h5 8. f3 Nb6 9. Bd3 b4 10. Nce2 a5 11. Nf4 Nf6 12. Kb1 e6 13. Ngh3 Bd7 14. Ng5 Qc8 15. Rhe1 c5 16. dxc5 dxc5 17. e5 Nfd5 18. Nxd5 Nxd5 19. Bc4 Bc6 20. Bxc5 Rb8 21. Bd6 Rb6 22. Ne4 Qa8 23. Qd4 Rb7 24. Qc5 Rd7 25. Bb5 Bxb5 26. Qxb5 Qb7 27. Qa4 Nc3+ 28. bxc3 bxc3+ 29. Qb3 Qc8 30. Nc5 Rxd6 31. Rxd6 0-0 32. Ne4 Bxe5 33. Rd3 Qa8 34. Ka1 Rb8 35. Qc4 Qb7 36. Qb3 Qa7 37. Qa3 Kg7 38. Rb1 Rb2 39. Nxc3 Rb4 40. Rxb4 Qc5 41. Rb3 Qg1+ 42. Rb1 Qxg2 43. Qb2 Qf2 44. a4 Qxh4 45. Ka2 Qc4+ 46. Qb3 Qf4 47. Rg1 h4 48. Rg4 Qh2 49. Ne4 Qh1 50. c3 h3 51. Qb5 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Sindarov, Javokhir"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2706"]
[BlackElo "2448"]
[PlyCount "53"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Ne7 7. 0-0 c5 8. Nd2 Nc6 9. f4 Be7 10. Kh1 Bb7 11. c3 h5 12. Nf3 h4 13. h3 Qc7 14. Qe2 a5 15. a4 g6 16. Be3 d6 17. Rad1 Nb8 18. Bb5+ Kf8 19. f5 gxf5 20. exf5 e5 21. Nxe5 dxe5 22. f6 Nc6 23. Qg4 Bxf6 24. Rxf6 Rg8 25. Bh6+ Ke7 26. Rxf7+ Kxf7 27. Bc4+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Sindarov, Javokhir"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2706"]
[BlackElo "2448"]
[PlyCount "53"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Ne7 7. 0-0 c5 8. Nd2 Nc6 9. f4 Be7 10. Kh1 Bb7 11. c3 h5 12. Nf3 h4 13. h3 Qc7 14. Qe2 a5 15. a4 g6 16. Be3 d6 17. Rad1 Nb8 18. Bb5+ Kf8 19. f5 gxf5 20. exf5 e5 21. Nxe5 dxe5 22. f6 Nc6 23. Qg4 Bxf6 24. Rxf6 Rg8 25. Bh6+ Ke7 26. Rxf7+ Kxf7 27. Bc4+ 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Zafirakos, Jesse"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2050"]
[BlackElo "2448"]
[PlyCount "56"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 c5 5. e3 Nc6 6. Ngf3 b6 7. c3 Bb7 8. Be2 Be7 9. 0-0 g5 10. Bg3 h5 11. Nxg5 h4 12. Bf4 Nd5 13. Nh3 Nxf4 14. Nxf4 Qc7 15. Bf3 d5 16. Re1 Bd6 17. g3 0-0-0 18. a4 Rdg8 19. Bg4 hxg3 20. hxg3 f5 21. Bf3 Qh7 22. Kf1 Ba6+ 23. c4 Bxf4 24. exf4 Nxd4 25. b3 Qh2 26. Bg2 Rxg3 27. fxg3 Qxg3 28. Nf3 dxc4 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Zafirakos, Jesse"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2050"]
[BlackElo "2448"]
[PlyCount "56"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 c5 5. e3 Nc6 6. Ngf3 b6 7. c3 Bb7 8. Be2 Be7 9. 0-0 g5 10. Bg3 h5 11. Nxg5 h4 12. Bf4 Nd5 13. Nh3 Nxf4 14. Nxf4 Qc7 15. Bf3 d5 16. Re1 Bd6 17. g3 0-0-0 18. a4 Rdg8 19. Bg4 hxg3 20. hxg3 f5 21. Bf3 Qh7 22. Kf1 Ba6+ 23. c4 Bxf4 24. exf4 Nxd4 25. b3 Qh2 26. Bg2 Rxg3 27. fxg3 Qxg3 28. Nf3 dxc4 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "11"]
[White "Jakubowski, Krzysztof"]
[Black "Bozorov, Javokhir"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2457"]
[BlackElo "2236"]
[PlyCount "134"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 h5 9. f4 Qc7 10. f5 Bc4 11. Qf3 Nbd7 12. Nd2 Bxf1 13. Nxf1 Be7 14. Bg5 b5 15. Ne3 Qb7 16. 0-0-0 b4 17. Na4 Qxe4 18. Qe2 Rc8 19. Rhe1 Qc6 20. b3 h4 21. Nc4 d5 22. Na5 Qb5 23. Qxb5 axb5 24. Nb2 e4 25. Kb1 Rh5 26. Be3 Rxf5 27. Rd2 Bc5 28. Nd1 Bxe3 29. Nxe3 Re5 30. Rf1 g6 31. Rdf2 Ke7 32. Rd2 Rc3 33. Re1 Kd6 34. Kb2 Kc7 35. a3 Kb6 36. axb4 Rc8 37. Rf1 Rce8 38. c3 R8e6 39. Rdf2 Rg5 40. Kc2 Rd6 41. Kd2 d4 42. cxd4 Rxd4+ 43. Ke2 Rd6 44. Rc1 Re5 45. Kf1 Nb8 46. Rfc2 Nfd7 47. Rc8 f5 48. Rf8 g5 49. Rg8 f4 50. Ng4 Red5 51. Ke1 f3 52. gxf3 exf3 53. Ne3 Re5 54. Kf2 Rd2+ 55. Kxf3 Rd3 56. Rg6+ Ka7 57. Rc7+ Ka8 58. Rg8 Rdxe3+ 59. Kf2 Re8 60. Rg7 R3e7 61. Rg6 Re6 62. Rg7 Rf6+ 63. Kg2 Re2+ 64. Kg1 Re1+ 65. Kg2 Re2+ 66. Kg1 Rd6 67. Rg8 Rd1# 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Dominguez, Ramiro"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "2457"]
[BlackElo "2185"]
[PlyCount "47"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bb3 Rf8 7. 0-0 d6 8. Nc3 Qe8 9. Na4 Bg4 10. Qe1 Qg6 11. Nxc5 dxc5 12. f4 h6 13. d4 hxg5 14. f5 Qh5 15. dxe5 Nxe5 16. Be3 b6 17. Qg3 Nfd7 18. h3 Be2 19. Rf2 c4 20. Bxg5+ Kf7 21. Re1 cxb3 22. Rexe2 bxa2 23. Qb3+ Ke8 24. Qe6# 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Fu, Yihe Rebo"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2457"]
[BlackElo "2123"]
[PlyCount "42"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Be7 6. Bc4 h6 7. 0-0 Ngf6 8. Nxf6+ Nxf6 9. Qe2 0-0 10. Rd1 b6 11. Ne5 Bb7 12. Rd3 Bd5 13. Rg3 Bxc4 14. Qxc4 Kh8 15. Rh3 Qd5 16. Qxc7 Qxd4 17. Be3 Qxb2 18. Rf1 Nd5 19. Bxh6 gxh6 20. Nxf7+ Rxf7 21. Qg3 Qg7 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "5"]
[White "Jakubowski, Krzysztof"]
[Black "Ibrahimli, Murad Sultanali"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2457"]
[BlackElo "2421"]
[PlyCount "94"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. Be2 e5 9. Nf3 Be7 10. Bg5 Nbd7 11. a4 h6 12. Be3 0-0 13. Nd2 b6 14. Nc4 Qc7 15. 0-0 Bb7 16. f3 Bc6 17. Bf2 b5 18. Ne3 b4 19. Ncd5 Nxd5 20. exd5 Bb7 21. Nf5 Nf6 22. Qd2 a5 23. Rad1 Rfe8 24. Bb5 Rec8 25. Bh4 Bd8 26. Nxh6+ gxh6 27. Qxh6 Nh7 28. Bd3 f5 29. Bxd8 Rxd8 30. Bxf5 Qg7 31. Qxg7+ Kxg7 32. f4 e4 33. Rfe1 Nf6 34. Bxe4 Nxe4 35. Rxe4 Re8 36. Rxe8 Rxe8 37. Kf2 Bc8 38. h3 Bf5 39. Rd2 Rc8 40. g4 Rxc2 41. Rxc2 Bxc2 42. f5 Bxa4 43. Ke3 Bb3 44. Kd4 a4 45. h4 Bxd5 46. Kxd5 a3 47. Ke6 axb2 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Tari, Aryan"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2457"]
[BlackElo "2621"]
[PlyCount "100"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. c4 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 e5 7. b3 e4 8. Ne1 Qf6 9. Nc2 Bf5 10. Nba3 0-0-0 11. Nc4 h5 12. Bb2 Qe6 13. h4 f6 14. N2e3 Nxe3 15. Nxe3 Bh3 16. Bxh3 Qxh3 17. Qc2 Nd4 18. Bxd4 Rxd4 19. Ng2 Qg4 20. e3 Rd7 21. b4 Rc7 22. Rfc1 Kb8 23. bxc5 Bxc5 24. Qa4 Rhc8 25. Rc4 Qe2 26. Rxe4 Qxd2 27. Rd1 Qb2 28. Re8 a6 29. Rxc8+ Rxc8 30. Rd7 g5 31. Rf7 Rd8 32. Rd7 Rc8 33. Qe4 Ka7 34. a4 Qb4 35. Qh7 Rc6 36. Qxh5 Qxa4 37. Qf7 Qb4 38. h5 f5 39. h6 Rxh6 40. Rd1 Rd6 41. Rxd6 Bxd6 42. Qxf5 a5 43. Qxg5 a4 44. Qd5 a3 45. g4 Qb1+ 46. Ne1 Qxe1+ 47. Kg2 Qb4 48. g5 Qc5 49. Qg8 Qc6+ 50. f3 Qc2+ 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Turzo, Attila"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2457"]
[BlackElo "2272"]
[PlyCount "111"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 h6 6. a4 a5 7. c3 0-0 8. d4 Bb6 9. dxe5 Nxe4 10. Bd5 Nc5 11. Na3 d6 12. exd6 Qxd6 13. Nc4 Qg6 14. Nxb6 cxb6 15. Bf4 Be6 16. Bxe6 Nxe6 17. Be3 Nc5 18. Qe2 Qd3 19. Qxd3 Nxd3 20. Rfb1 Nc5 21. Nd2 Ne5 22. Bd4 Rfd8 23. Kf1 Nc6 24. Bxc5 bxc5 25. Nc4 Rd3 26. Rd1 Rad8 27. Rxd3 Rxd3 28. Re1 Kf8 29. h4 Rd5 30. g3 g5 31. Kg2 gxh4 32. gxh4 Rf5 33. Kg3 h5 34. Nd6 Rd5 35. Re8+ Kg7 36. Nxb7 Rd2 37. Rc8 Ne5 38. Rxc5 Ng4 39. f3 Nf6 40. Rg5+ Kf8 41. b3 Rc2 42. c4 Rc3 43. Nxa5 Ne4+ 44. Kf4 Nxg5 45. Kxg5 Rxf3 46. Nc6 Rxb3 47. a5 Rc3 48. a6 Rxc4 49. a7 Ra4 50. Kxh5 Ke8 51. Kg5 Kd7 52. Ne5+ Ke6 53. Nc6 Kd6 54. Nd4 Rxa7 55. Nb5+ Ke5 56. Nxa7 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "1"]
[White "Kunz, Andre"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2115"]
[BlackElo "2457"]
[PlyCount "72"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. 0-0 Qc7 10. Ng3 g6 11. Bh6 f5 12. Re1 Rxe1+ 13. Qxe1 Be6 14. Qe2 Nd7 15. Re1 Nf6 16. Bg5 Nd5 17. Qd2 b5 18. a3 a5 19. b3 Nf4 20. b4 axb4 21. axb4 Ra2 22. Qd1 h5 23. Bf6 Qa7 24. Ne2 Nxd3 25. Qxd3 Bc4 26. Qe3 Rxe2 27. Rxe2 Bxe2 28. Qxe2 Qa1+ 29. Qf1 Qxc3 30. h4 Qxb4 31. Qe2 Qb1+ 32. Qf1 Qxf1+ 33. Kxf1 Kf8 34. Ke2 Be7 35. Be5 Bxh4 36. Kd3 Bxf2 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "10"]
[White "Mirimanian, Hayk"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2251"]
[BlackElo "2457"]
[PlyCount "82"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e6 7. g4 b5 8. g5 Nfd7 9. a3 Bb7 10. Bg2 Nb6 11. f4 N8d7 12. b3 Rc8 13. Bb2 Rc7 14. Qd2 Qc8 15. Rh3 g6 16. 0-0-0 e5 17. Nde2 h5 18. Kb1 Be7 19. Bh1 0-0 20. f5 Rd8 21. Bf3 Nc5 22. Ng3 Nca4 23. Nxa4 bxa4 24. Rh2 a5 25. Qe2 axb3 26. cxb3 a4 27. Bxh5 axb3 28. fxg6 Rc2 29. gxf7+ Kf8 30. Rd2 Rxb2+ 31. Rxb2 Na4 32. Rxb3 Ba6 33. Qc2 Qa8 34. Bg4 Qa7 35. Rf2 Rb8 36. Ka2 Nc5 37. Rxb8+ Qxb8 38. Qb2 Bc4+ 39. Ka1 Qa7 40. Bd1 Na4 41. Bxa4 d5 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "8"]
[White "Nikhil, M."]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2261"]
[BlackElo "2457"]
[PlyCount "34"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Nf3 Nc6 8. 0-0 0-0 9. a3 Be6 10. b4 a5 11. b5 Nd4 12. a4 Bb3 13. Qd2 Bb4 14. Bb2 Nc4 15. Qc1 Bxc3 16. Nxd4 Bxb2 17. Nxb3 Bxc1 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "6"]
[White "Orzech, Dominik"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2248"]
[BlackElo "2457"]
[PlyCount "63"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. 0-0 cxd4 6. Qxd4 Nc6 7. Qh4 e6 8. c4 Ne7 9. Qd4 Nf5 10. Qd3 Rc8 11. Nc3 Ba6 12. b3 d5 13. Nb5 Bc5 14. Bb2 dxc4 15. bxc4 Qxd3 16. exd3 Bxb5 17. cxb5 Ke7 18. Ne5 Bd4 19. Bxd4 Nxd4 20. a4 Nd7 21. Nc4 Nc5 22. Rfd1 Rhd8 23. a5 Ncb3 24. axb6 Nxa1 25. bxa7 Nab3 26. b6 Ne2+ 27. Kf1 Nc3 28. Re1 Nc5 29. b7 Rb8 30. a8Q Rxa8 31. bxa8Q Rxa8 32. Bxa8 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "4"]
[White "Sargsyan, Anna M"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2357"]
[BlackElo "2457"]
[PlyCount "38"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g4 Bg7 8. Bg2 Nfd7 9. Be3 Nc6 10. Qd2 Na5 11. Qe2 0-0 12. 0-0-0 Nb6 13. Kb1 Bd7 14. h4 Rc8 15. Nd5 Nxd5 16. exd5 Nc4 17. Bc1 Qb6 18. Nb3 a5 19. Qxe7 Bxg4 0-1

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.03.02"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Muse, Drazen"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2449"]
[BlackElo "2309"]
[PlyCount "171"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. d5 Ne5 6. Nxe5 dxe5 7. Be3 Bg7 8. f3 0-0 9. Qd2 e6 10. 0-0-0 exd5 11. exd5 Ne8 12. h4 Nd6 13. h5 f5 14. hxg6 hxg6 15. g4 fxg4 16. Ne4 Rxf3 17. Ng5 Bf5 18. Ne6 Bxe6 19. dxe6 Qf6 20. Be2 e4 21. c3 Qxe6 22. Bd4 Bxd4 23. Qxd4 Qf6 24. Qc5 Qf7 25. Rh4 Rf5 26. Qe3 Qg7 27. Bxg4 Raf8 28. Qh3 Rf3 29. Bxf3 Rxf3 30. Qg2 Qf6 31. Rg4 Kf7 32. Rg1 Ke7 33. Rxg6 Qf4+ 34. Kb1 Kd7 35. Rd1 Rf2 36. Qh3+ Qf5 37. Rg7+ Kc6 38. Qxf5 Rxf5 39. Rd2 a5 40. a4 Rf6 41. Re7 b6 42. Rg2 Rf7 43. Rxf7 Nxf7 44. Rg7 Ne5 45. Kc2 Kd6 46. b3 Nd7 47. Rg6+ Kd5 48. Rg5+ Kd6 49. Rg6+ Kd5 50. Rg5+ Kd6 51. b4 Ne5 52. bxa5 bxa5 53. Rg8 Nc4 54. Rd8+ Ke5 55. Rc8 Kd6 56. Rd8+ Ke5 57. Kb3 Nd6 58. Rd7 c6 59. Rh7 Kf4 60. Rh6 Ke5 61. Kc2 c5 62. Rh5+ Nf5 63. Kd2 Kf4 64. Rh8 Nd6 65. Ra8 Ke5 66. Ke2 Nc4 67. Ra7 Kd5 68. Kf2 Kd6 69. Ra6+ Kd5 70. Ra8 Kd6 71. Rb8 Kd5 72. Rb5 Kd6 73. Kg3 Kc6 74. Kf4 Kd5 75. Rb8 Nd6 76. Rd8 Kc6 77. Ra8 Nc4 78. Kxe4 Kb7 79. Rh8 Nb6 80. Rh7+ Kb8 81. Kd3 Nxa4 82. Kc4 Ka8 83. Rh3 Kb7 84. Kb5 Nb2 85. Rh7+ Kc8 86. Kxa5 1-0

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.03.01"]
[Round "8"]
[White "Florstedt, Johannes"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2349"]
[BlackElo "2449"]
[PlyCount "50"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g4 a6 7. Nxc6 bxc6 8. h4 Rb8 9. b3 h6 10. Bb2 Be7 11. Qd2 e5 12. Be2 Nf6 13. f3 d5 14. 0-0-0 d4 15. Na4 c5 16. Ba3 c4 17. Bxe7 Qxe7 18. Bxc4 Qa3+ 19. Nb2 Qxa2 20. c3 Bxg4 21. fxg4 Nxe4 22. Qe1 dxc3 23. Na4 c2 24. Qxe4 Qb1+ 25. Kd2 cxd1Q+ 0-1

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.03.01"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Poltorak, Sebastian"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2449"]
[BlackElo "2407"]
[PlyCount "40"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. Bxf6 Bxf6 6. Ne4 Bxd4 7. Nxd4 cxd4 8. Qxd4 0-0 9. 0-0-0 Nc6 10. Qd2 Qa5 11. Qxa5 Nxa5 12. h4 d6 13. h5 Bf5 14. Ng3 Be6 15. b3 Rfc8 16. Kb2 Rc7 17. hxg6 hxg6 18. e3 Kg7 19. Ne2 Rac8 20. Rd2 f6 1/2-1/2

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.28"]
[Round "6"]
[White "Zobel, Christian Erik"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2188"]
[BlackElo "2449"]
[PlyCount "70"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. b3 a5 2. a4 d5 3. Bb2 Bf5 4. Nf3 e6 5. e3 h6 6. Be2 Nf6 7. 0-0 Be7 8. Ne5 0-0 9. f4 Nfd7 10. Bg4 Bh7 11. Bh3 Nxe5 12. fxe5 Nc6 13. d4 Nb4 14. Na3 c5 15. Rf2 Rc8 16. c3 Nd3 17. Rd2 Nxb2 18. Rxb2 cxd4 19. cxd4 Rc3 20. Nb5 Rxe3 21. Rc1 Bb4 22. Qg4 Bd3 23. Rf2 Bxb5 24. axb5 Rxb3 25. Rcf1 Qg5 26. Qxg5 hxg5 27. Rxf7 Re8 28. Rd7 a4 29. Rff7 Bf8 30. Rxb7 a3 31. Rf1 Bb4 32. Rb6 Bc3 33. Bxe6+ Rxe6 34. Rxe6 Bxd4+ 35. Kh1 a2 0-1

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.27"]
[Round "5"]
[White "Schulze, Lara"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2266"]
[BlackElo "2449"]
[PlyCount "136"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Bc4 Ba6 8. Nbd2 Qc8 9. Qe2 Nf4 10. Bxa6 Qxa6 11. Qxa6 Nxa6 12. Ne4 Bb4+ 13. Kf1 Nd5 14. a3 Be7 15. Bd2 0-0 16. Ke2 f5 17. Nc3 Nac7 18. Rac1 a5 19. Rc2 b5 20. Rhc1 Nxc3+ 21. Rxc3 Nd5 22. R3c2 Rfb8 23. Ne1 b4 24. axb4 Bxb4 25. Nd3 Kf7 26. Rc4 Bxd2 27. Kxd2 Ne7 28. Rc5 Nc6 29. R1c4 a4 30. Ke3 Ne7 31. Kd2 Nd5 32. Rc1 a3 33. bxa3 Rxa3 34. Ne1 Rb2+ 35. R5c2 Rbb3 36. Rc4 Nb4 37. Ke2 Ra2+ 38. Kf1 Rbb2 39. Kg1 g5 40. h3 Kg6 41. g4 fxg4 42. hxg4 h5 43. gxh5+ Kxh5 44. R1c3 Kg6 45. Rc1 Kf5 46. f3 Nc6 47. R1c2 Nb4 48. Rxb4 Rxc2 49. Nxc2 Rxc2 50. Rb7 Kf4 51. Rxd7 Kg3 52. Kf1 Kxf3 53. Rf7+ Ke4 54. Rg7 g4 55. Rg6 Rc6 56. Kf2 Kxd4 57. Rxg4+ Kxe5 58. Ke2 Kf5 59. Ra4 Rc2+ 60. Ke3 Rh2 61. Rb4 e5 62. Ra4 Rh3+ 63. Ke2 e4 64. Ra8 Rh2+ 65. Ke3 Rh3+ 66. Ke2 Rh2+ 67. Ke3 Rh3+ 68. Ke2 Rh2+ 1/2-1/2

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.26"]
[Round "4"]
[White "Jakubowski, Krzysztof"]
[Black "Noeldner, Julian"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2449"]
[BlackElo "2233"]
[PlyCount "106"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. c4 g6 2. e4 e5 3. Nc3 Bg7 4. h4 h5 5. d3 Ne7 6. Bg5 c6 7. Be2 d6 8. Qd2 a6 9. b4 Be6 10. Nf3 Bg4 11. a4 Nd7 12. a5 Nf8 13. Ng1 Bxe2 14. Ngxe2 Ne6 15. Na4 Qc7 16. Rc1 f6 17. Be3 f5 18. Nb6 Rd8 19. Nd5 Qd7 20. Nb6 Qc7 21. f3 0-0 22. 0-0 Kh7 23. d4 fxe4 24. fxe4 exd4 25. Nxd4 Nxd4 26. Bxd4 Nc8 27. Rxf8 Bxd4+ 28. Qxd4 Rxf8 29. Nxc8 Rxc8 30. Rd1 Re8 31. Qxd6 Qxd6 32. Rxd6 Rxe4 33. Rd7+ Kh6 34. Rxb7 Rxc4 35. g3 g5 36. Rb6 gxh4 37. gxh4 Kg7 38. Kf2 c5 39. bxc5 Rxc5 40. Rxa6 Rc4 41. Kg3 Rc3+ 42. Kf4 Rc4+ 43. Kf5 Rxh4 44. Ra7+ Kh6 45. Ra6+ Kg7 46. Ra7+ Kh6 47. Ra8 Ra4 48. Kf6 Kh7 49. a6 h4 50. Ra7+ Kh6 51. Ra8 Kh7 52. Ra7+ Kh6 53. Ra8 Kh7 1/2-1/2

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.25"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Ahmadinia, Ebrahim"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2449"]
[BlackElo "2404"]
[PlyCount "131"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a4 Na5 8. Ba2 c5 9. Nbd2 Nc6 10. c3 h6 11. Nf1 Re8 12. Ng3 Bf8 13. h3 d5 14. exd5 Nxd5 15. Nh2 Nf6 16. Ng4 Nxg4 17. hxg4 Be6 18. Ne4 Qd7 19. Re3 Bxa2 20. Rxa2 f6 21. a5 Rad8 22. Ra4 Qf7 23. Rf3 c4 24. Qe2 Rxd3 25. Rxd3 cxd3 26. Qxd3 Rd8 27. Qc2 a6 28. Be3 Rd7 29. f3 Qd5 30. Bb6 Qd1+ 31. Qxd1 Rxd1+ 32. Kf2 Rc1 33. b4 Rc2+ 34. Kg3 Ne7 35. Ra1 f5 36. gxf5 Nxf5+ 37. Kh3 Kf7 38. Rd1 Ke6 39. Rd8 Be7 40. Rb8 Nd6 41. Nxd6 Bxd6 42. Rxb7 Rxc3 43. b5 axb5 44. a6 Rc8 45. Be3 b4 46. a7 Kd5 47. Bd2 Kc6 48. Rb8 Rxb8 49. axb8Q Bxb8 50. Bxb4 Bd6 51. Bd2 Kd5 52. g4 Be7 53. Kg2 Bg5 54. Bb4 Kd4 55. Bf8 Bf6 56. Ba3 Ke3 57. Bc1+ Ke2 58. Ba3 Bg5 59. Bb2 Bf4 60. Ba3 g6 61. Be7 Ke3 62. Bc5+ Kd3 63. Bf8 Bg5 64. Bg7 Kd4 65. Bf8 Kd5 66. Ba3 1/2-1/2

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.25"]
[Round "3"]
[White "Yatskar, Martin"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2157"]
[BlackElo "2449"]
[PlyCount "96"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 c5 6. d5 Qe7 7. Nge2 exd5 8. exd5 Qe4 9. Qxe4+ Nxe4 10. Bd2 Nxd2 11. Kxd2 d6 12. a3 Ba5 13. Ng3 f5 14. Bd3 g6 15. Kc2 Bxc3 16. Kxc3 Kf7 17. Rae1 Na6 18. h4 Nc7 19. h5 Bd7 20. b4 Kf6 21. bxc5 dxc5 22. Re3 Rab8 23. Ne2 a6 24. f4 b5 25. Ng1 b4+ 26. axb4 cxb4+ 27. Kd4 Rhd8 28. Re5 b3 29. Nf3 b2 30. hxg6 hxg6 31. Bc2 Rb4 32. Kc3 Rdb8 33. Ree1 a5 34. Ne5 Ba4 35. Bxa4 b1Q 36. Nd7+ Kg7 37. Rxb1 Rxb1 38. Nxb8 Rxh1 39. d6 Ne6 40. Nc6 Ra1 41. Bc2 Ra3+ 42. Kb2 Rg3 43. d7 Rxg2 44. d8Q Nxd8 45. Nxd8 a4 46. Ne6+ Kf6 47. Nd4 a3+ 48. Kc3 Rf2 0-1

[Event "Berlin Federation IM"]
[Site "Berlin"]
[Date "2025.02.24"]
[Round "1"]
[White "Moritz, Aron"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2276"]
[BlackElo "2449"]
[PlyCount "82"]
[EventDate "2025.02.24"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "3"]
[SourceTitle "CB10_2025"]
[SourceDate "2025.03.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 g6 7. Nf3 Bf5 8. Ne5 Qb6 9. 0-0 e6 10. Qa4 Bxd3 11. Nxd3 Bd6 12. Bh6 Rg8 13. Be3 g5 14. Nd2 g4 15. h4 g3 16. fxg3 Rxg3 17. Rxf6 Rxe3 18. Rf3 Re4 19. Raf1 Rxh4 20. Rxf7 Bh2+ 21. Kh1 Bf4+ 22. Kg1 Be3+ 23. R1f2 0-0-0 24. Nf3 Rh5 25. b4 Rf5 26. Rxh7 Rg8 27. Kf1 Bxf2 28. Kxf2 Qa6 29. Qxa6 bxa6 30. Nc5 e5 31. dxe5 Nxe5 32. Rxa7 Rg4 33. Nxa6 Nxf3 34. gxf3 Rc4 35. b5 Rxc3 36. b6 Rfxf3+ 37. Ke2 Rfe3+ 38. Kd2 Red3+ 39. Ke2 Re3+ 40. Kd2 Red3+ 41. Ke2 Re3+ 1/2-1/2

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "5"]
[White "Birkisson, Bardur Orn"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2320"]
[BlackElo "2449"]
[PlyCount "83"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Bf4 Qf6 6. Be3 Bc5 7. c3 Nge7 8. Be2 Nxd4 9. cxd4 Bb4+ 10. Nc3 Qg6 11. 0-0 Bxc3 12. bxc3 Qxe4 13. Bd3 Qc6 14. c4 d5 15. c5 Bd7 16. Rb1 Qc7 17. Qh5 h6 18. f4 g6 19. Qf3 Nc6 20. Qg3 Na5 21. Bxg6 Rg8 22. Bxf7+ Kxf7 23. Qh4 Rg6 24. f5 exf5 25. Bf4 Qc6 26. Rbe1 Qf6 27. Qf2 Rag8 28. g3 Nc6 29. Be5 Nxe5 30. Rxe5 Kg7 31. Rxd5 Bc6 32. Rd6 Qe7 33. Rxg6+ Kxg6 34. Qxf5+ Kg7 35. Qg4+ Kh8 36. Qf4 Qd7 37. Qxh6+ Qh7 38. Qf6+ Qg7 39. Qh4+ Qh7 40. Qf6+ Qg7 41. Qh4+ Qh7 42. Qf6+ 1/2-1/2

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "4"]
[White "Iljin, Timofey"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2253"]
[BlackElo "2449"]
[PlyCount "59"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Bc4 a6 5. a4 Nge7 6. d3 d5 7. Ba2 Nb4 8. e5 Nec6 9. Nf3 Be7 10. 0-0 Bd7 11. Bb1 0-0 12. Ne2 d4 13. c3 dxc3 14. bxc3 Nd5 15. Ba2 b5 16. f5 Kh8 17. Bxd5 exd5 18. Ng3 b4 19. c4 dxc4 20. dxc4 Na5 21. Bh6 gxh6 22. f6 Bxf6 23. exf6 Bc6 24. Qc1 Qxf6 25. Nh5 Qc3 26. Qxh6 Rae8 27. Ng5 Be4 28. Nxe4 Qd4+ 29. Kh1 Rg8 30. Ng5 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "6"]
[White "Jakubowski, Krzysztof"]
[Black "Estrada Nieto, Julian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2449"]
[BlackElo "2184"]
[PlyCount "73"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 d6 6. c3 a6 7. h3 Ba7 8. Bb3 h6 9. Nbd2 g5 10. Nc4 g4 11. hxg4 Nxg4 12. d4 Rg8 13. Ne3 Nxe3 14. fxe3 Bg4 15. Qc2 Qe7 16. Ba4 Bd7 17. Qf2 0-0-0 18. Nh4 Kb8 19. d5 Na5 20. Bxd7 Rxd7 21. b3 h5 22. Bd2 b5 23. c4 Nb7 24. cxb5 axb5 25. b4 Nd8 26. Nf5 Qg5 27. Qe2 Ka8 28. Rf2 f6 29. Qxb5 Rh7 30. Rc1 h4 31. Kh1 h3 32. g3 Qg4 33. Qd3 Rg5 34. a4 Rxf5 35. exf5 Qxg3 36. Qe2 Rg7 37. Qf3 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "2449"]
[BlackElo "2555"]
[PlyCount "94"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Bxf6 gxf6 8. Be2 Rc8 9. 0-0 Rg8 10. Nb3 a6 11. f4 f5 12. Kh1 Bg7 13. exf5 Bxc3 14. bxc3 Bxf5 15. Bh5 Kf8 16. Rf2 e6 17. Qd2 Qh4 18. Bf3 Rd8 19. Raf1 Rg6 20. Nd4 Nxd4 21. Qxd4 Rh6 22. g3 Qxg3 23. Rg2 Qh4 24. Rff2 Ke7 25. Bxb7 Rg6 26. Qa7 Rxg2 27. Bc6+ Kf8 28. Bxg2 Rc8 29. Qd4 Rxc3 30. Qxd6+ Kg7 31. Rf1 Rxc2 32. Rg1 Bg6 33. f5 exf5 34. Qxa6 Qf6 35. Qxf6+ Kxf6 36. Ra1 f4 37. a4 Bd3 38. a5 Ba6 39. Rb1 Kg5 40. Ba8 Ra2 41. Rg1+ Kf6 42. Rg4 Ra4 43. Kg2 h5 44. Rg8 Rxa5 45. Kf3 Ra4 46. Rd8 Bb5 47. h4 Rxa8 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "8"]
[White "Jakubowski, Krzysztof"]
[Black "Kuzuev, Danil"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2449"]
[BlackElo "2436"]
[PlyCount "88"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Be3 Nf6 8. 0-0 Ne5 9. h3 b5 10. a3 Bb7 11. f4 Nc4 12. Bxc4 Qxc4 13. e5 Nd5 14. Nxd5 Qxd5 15. Rf2 Be7 16. Rd2 Qe4 17. Qe2 0-0 18. Nb3 Rac8 19. Rxd7 Rxc2 20. Nd2 Re8 21. Nxe4 Rxe2 22. Rxb7 Rxe3 23. Rd1 Rxe4 24. Rxe7 Kf8 25. Rxe8+ Kxe8 26. g3 Re2 27. Rd6 Rxb2 28. Rxa6 h5 29. h4 g6 30. Ra8+ Ke7 31. Kf1 Kd7 32. Ra7+ Ke8 33. Kg1 Kf8 34. Kf1 Kg7 35. Kg1 Ra2 36. Kf1 b4 37. Rb7 bxa3 38. Ra7 Kf8 39. Kg1 Ke8 40. Kf1 Ra1+ 41. Kf2 Ra2+ 42. Kf3 Ra1 43. Kg2 a2 44. Kf2 Rh1 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "11"]
[White "Jakubowski, Krzysztof"]
[Black "Morales, Carlos1"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2449"]
[BlackElo "2157"]
[PlyCount "103"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. c3 Bd6 8. 0-0 Ngf6 9. Bg5 h6 10. Bxf6 gxf6 11. Qb3 Qe7 12. Qxb7 Rb8 13. Qxc6 0-0 14. Bb3 exd4 15. Nxd4 Rfc8 16. Qa6 Nc5 17. Nc6 Nxa6 18. Nxe7+ Bxe7 19. Nd2 Nc5 20. h3 Be6 21. Bxe6 fxe6 22. b3 Nd3 23. Rf3 Ne5 24. Rg3+ Kf7 25. Rf1 Rd8 26. Nf3 Nxf3+ 27. Rgxf3 Rbc8 28. e5 f5 29. g4 Rg8 30. Kh1 Rc5 31. gxf5 exf5 32. Rxf5+ Ke6 33. Rh5 Rg6 34. Re1 Rxc3 35. Rd1 Rc2 36. a4 Rc3 37. b4 Rc4 38. b5 Rxa4 39. Rc1 Kd7 40. e6+ Rxe6 41. Rd5+ Rd6 42. Rf5 Rh4 43. Rf3 Rh5 44. Ra3 Rxb5 45. Rxa7+ Ke8 46. Re1 Rd7 47. Ra8+ Kf7 48. Rf1+ Bf6 49. Ra6 Rd3 50. Rfxf6+ Ke7 51. Rxh6 Rb2 52. Rh7+ 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Nasybullina, Alfia"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2449"]
[BlackElo "2088"]
[PlyCount "37"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e5 4. dxe5 dxe4 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. fxe4 Nd7 9. Nf3 Ne7 10. Bf4 Ng6 11. Bg3 Be7 12. Nbd2 Kc7 13. 0-0-0 Rhf8 14. Nc4 Nf4 15. Nd4 c5 16. Bxf4 cxd4 17. Bg3 Bc5 18. a3 b5 19. Nd6 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "10"]
[White "Jakubowski, Krzysztof"]
[Black "Silva, Lucas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2449"]
[BlackElo "2248"]
[PlyCount "77"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Be3 Nd7 5. Qd2 Qb6 6. c4 Bb4 7. Nc3 Ne7 8. a3 Bxc3 9. bxc3 Qa5 10. Bd3 b6 11. Ne2 Ba6 12. cxd5 cxd5 13. 0-0 Bxd3 14. Qxd3 Rc8 15. Bd2 Qa4 16. Ng3 Qc4 17. Qe3 0-0 18. Rae1 b5 19. Nh5 Nb6 20. Nxg7 Kxg7 21. Qh6+ Kg8 22. Bg5 f6 23. Bxf6 Rxf6 24. Qxf6 Ng6 25. Qxe6+ Kg7 26. exd5 Qxd5 27. Qg4 Qd7 28. Re6 Qf7 29. Rfe1 Rc7 30. h4 Kf8 31. h5 Ne7 32. Qg5 Nbd5 33. h6 Rxc3 34. Rd6 Rc8 35. Rd7 Re8 36. Re5 Qf6 37. Qg7+ Qxg7 38. hxg7+ Kg8 39. Rdxd5 1-0

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "2"]
[White "Negrean, Andrei"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2224"]
[BlackElo "2449"]
[PlyCount "94"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nf6 4. Qe2 Nc6 5. Bg2 d5 6. exd5 Nxd5 7. 0-0 Be7 8. Rd1 Bf6 9. Nc3 Ndb4 10. d3 Nd4 11. Nxd4 cxd4 12. Ne4 Be7 13. h4 0-0 14. c4 dxc3 15. bxc3 Nd5 16. c4 Nf6 17. Bb2 Ne8 18. d4 Bd7 19. d5 exd5 20. cxd5 Nd6 21. h5 h6 22. Nc5 Re8 23. Nxd7 Qxd7 24. Qd3 Bf8 25. Rac1 Rac8 26. Kh2 Qg4 27. Bf3 Qg5 28. Bd4 Rxc1 29. Be3 Rxd1 30. Bxd1 Rxe3 31. fxe3 Qe5 32. Bf3 b5 33. e4 a5 34. Kh3 f5 35. exf5 Qxf5+ 36. Qxf5 Nxf5 37. Be2 b4 38. Bc4 Nd6 39. Bb3 Kf7 40. g4 Kf6 41. Kg3 Ke5 42. g5 hxg5 43. Kg4 Be7 44. Bc2 Kd4 45. Bb3 Kc3 46. Ba4 Kb2 47. Bb3 Ka3 0-1

[Event "Titled Tuesday intern op 04th Feb Early"]
[Site "Chess.com INT"]
[Date "2025.02.04"]
[Round "9"]
[White "Nielsen Refs, Karl Emil Elmer"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2095"]
[BlackElo "2449"]
[PlyCount "48"]
[EventDate "2025.02.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB07_2025"]
[SourceDate "2025.02.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. 0-0 b6 9. Qc2 Bb7 10. f3 c5 11. a3 Bxc3 12. bxc3 c4 13. Bf5 Nc6 14. e4 g6 15. e5 Nh5 16. Bg4 Ng7 17. f4 Ne7 18. Ng3 Bc8 19. Bxc8 Qxc8 20. Qe2 b5 21. h3 Rb8 22. Ra2 Qe6 23. Qf3 Rb6 24. Raf2 Reb8 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "2"]
[White "Dicen, Elis Denele"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2125"]
[BlackElo "2442"]
[PlyCount "80"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 Nbd7 7. 0-0 c6 8. Qc2 b6 9. e4 Ba6 10. e5 Ne8 11. a3 Be7 12. b3 Rc8 13. Bb2 Qc7 14. Rac1 Qb8 15. Rfe1 Nc7 16. Qd3 c5 17. dxc5 Nxc5 18. Qe3 Rfd8 19. b4 Na4 20. Ba1 dxc4 21. Nxc4 Nd5 22. Qe4 b5 23. Ne3 Ndc3 24. Bxc3 Nxc3 25. Qc2 Bb7 26. Qb2 Qa8 27. Rxc3 Bxf3 28. Rxc8 Rxc8 29. Rc1 Bxg2 30. Nxg2 g6 31. Ne3 h5 32. Rxc8+ Qxc8 33. Kg2 Bd8 34. Qe2 a6 35. h4 Qc3 36. Qd1 Bb6 37. Nc2 Qxe5 38. Qd7 Qe4+ 39. Kh2 Qxc2 40. Qe8+ Kg7 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "3"]
[White "Jakubowski, Krzysztof"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2442"]
[BlackElo "2664"]
[PlyCount "60"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Be3 Bg7 5. Qd2 dxe4 6. Nc3 exf3 7. Nxf3 Nf6 8. Bh6 0-0 9. 0-0-0 Bg4 10. Be2 Nbd7 11. h3 Bxf3 12. Bxf3 e5 13. Bxg7 Kxg7 14. h4 exd4 15. Qxd4 Qb6 16. Qf4 Rfe8 17. Kb1 h6 18. Rhf1 Re7 19. g4 Qe3 20. Qh2 Ne5 21. g5 hxg5 22. hxg5 Qxg5 23. Be2 Rh8 24. Qf2 Neg4 25. Qg1 Qh4 26. Rf3 Qh2 27. Qxa7 Rxe2 28. Nxe2 Qxe2 29. Rfd3 Rh2 30. Rc3 Qxd1# 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Drozdowski, Kacper"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2442"]
[BlackElo "2450"]
[PlyCount "96"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Kh1 Nxd4 9. Qxd4 Bc5 10. Qd3 d6 11. Bg5 b5 12. f4 Bb7 13. Bf3 Nd7 14. Rad1 Bc6 15. Ne2 e5 16. c3 a5 17. Bh4 b4 18. f5 Qb7 19. c4 Nf6 20. Bxf6 gxf6 21. Ng3 Ke7 22. Nh5 Rhg8 23. Rfe1 a4 24. Re2 b3 25. a3 Bd4 26. Qd2 Rg5 27. Rde1 Qa6 28. h4 Rxh5 29. Bxh5 Qxc4 30. Rc1 Qb5 31. Qh6 Rf8 32. Qxh7 Bd7 33. Rc7 Bb6 34. Rc3 d5 35. Rg3 dxe4 36. Rg7 Be8 37. Qh6 Qd3 38. Qc1 Rh8 39. Rd2 Qe3 40. Bg4 Rxh4+ 41. Bh3 Rxh3+ 42. gxh3 Qxh3+ 43. Rh2 Qf3+ 44. Rgg2 e3 45. Qe1 Bc5 46. Qa5 Qd1+ 47. Rg1 Bc6+ 48. Rhg2 Qh5# 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "5"]
[White "Jakubowski, Krzysztof"]
[Black "Kshatriya, Nitin Vekhande"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2442"]
[BlackElo "2133"]
[PlyCount "52"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Bb3 Bd7 10. h4 Rc8 11. h5 Nxh5 12. g4 Nxd4 13. Bxd4 Bxd4 14. Qxd4 Nf4 15. Qd2 e5 16. Qh2 h5 17. gxh5 Nxh5 18. 0-0-0 Qf6 19. Nd5 Qg5+ 20. f4 exf4 21. Rdg1 Bg4 22. Rxg4 Qxg4 23. Nf6+ Kg7 24. Nxg4 Rh8 25. Qf2 Rce8 26. Qd4+ Kg8 1-0

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Levi, Eddy"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2442"]
[BlackElo "2147"]
[PlyCount "73"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. 0-0 h6 6. c3 Bb6 7. Bb3 Nf6 8. Nbd2 0-0 9. h3 Be6 10. Re1 Qd7 11. Nc4 Rfe8 12. Be3 Rad8 13. Qc2 Bxc4 14. dxc4 Ne7 15. Rad1 Bxe3 16. Rxe3 Ng6 17. c5 Nf4 18. Ba4 c6 19. Rxd6 Qe7 20. Rxd8 Rxd8 21. b4 N6h5 22. Bb3 Kh7 23. Kh2 f6 24. g3 Ng6 25. Rd3 Rf8 26. Qd2 f5 27. Rd7 Qe8 28. exf5 Rxf5 29. Ng1 Qf8 30. Kg2 Nhf4+ 31. gxf4 Nxf4+ 32. Kf1 Qf6 33. Bc2 Kh8 34. Rd8+ Kh7 35. Qd7 e4 36. Bxe4 Qe5 37. Qxf5+ 1-0

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "6"]
[White "Jakubowski, Krzysztof"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2442"]
[BlackElo "2619"]
[PlyCount "96"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Bc4 Nb6 6. d3 Nc6 7. Bf4 d5 8. exd6 Bxd6 9. Bxd6 Qxd6 10. Ne4 Qe7 11. Bb5 Bd7 12. 0-0 0-0 13. a4 Rad8 14. a5 Nd5 15. Re1 a6 16. Bxc6 Bxc6 17. Ne5 Be8 18. Qf3 f6 19. Nc4 Bc6 20. Qg3 e5 21. Ned2 Qc7 22. f3 Nf4 23. Qf2 Ne6 24. Nb3 Bd5 25. Nbd2 Rd7 26. Rac1 Nd4 27. Qh4 Re8 28. Kh1 Nc6 29. Ra1 Be6 30. Qe4 Bf7 31. Qe3 Nd4 32. Rac1 Ne6 33. Ne4 Rdd8 34. Nb6 Nd4 35. Qf2 Kh8 36. Ra1 Re7 37. Ra3 Ree8 38. Rc3 Qe7 39. Na4 c4 40. dxc4 f5 41. Ng3 Qc7 42. Nb6 Qc5 43. Ra3 Qc7 44. Raa1 Bxc4 45. c3 Nb3 46. Rad1 Be6 47. Rxd8 Rxd8 48. Rxe5 Qxe5 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "8"]
[White "Jakubowski, Krzysztof"]
[Black "Spector, Sebastian"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2442"]
[BlackElo "2158"]
[PlyCount "85"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 0-0 13. Nc2 Rb8 14. h4 a5 15. a3 g6 16. g3 Bg7 17. h5 f5 18. hxg6 hxg6 19. exf5 Bxf5 20. Bg2 e4 21. Nde3 Ne5 22. Qd5+ Rf7 23. Nxf5 gxf5 24. 0-0-0 Nd3+ 25. Rxd3 exd3 26. Qxd3 b4 27. axb4 axb4 28. Nxb4 Rxb4 29. cxb4 Kf8 30. Kb1 Qf6 31. Qb3 Rc7 32. b5 Qd4 33. b6 Rc8 34. b7 Rb8 35. Rd1 Qc5 36. Rc1 Qxf2 37. Rc8+ Ke7 38. Rxb8 Qg1+ 39. Ka2 Qa7+ 40. Qa3 Qxb8 41. Qa8 Qc7 42. b8Q Qc4+ 43. Qb3 1-0

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "11"]
[White "Kiolbasa, Oliwia"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2357"]
[BlackElo "2442"]
[PlyCount "103"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. 0-0 cxd4 8. cxd4 Nge7 9. Nc3 Nf5 10. Na4 Qd8 11. Bf4 Rc8 12. Rc1 Be7 13. a3 0-0 14. Bd3 Ncxd4 15. Nxd4 Rxc1 16. Bxc1 Nxd4 17. Bxh7+ Kxh7 18. Qxd4 Qa5 19. Nc3 Rc8 20. Bd2 Qb6 21. Qd3+ Kg8 22. b4 a5 23. Be3 Qc7 24. Nb5 Qc4 25. Qxc4 Rxc4 26. Nd6 Bxd6 27. exd6 axb4 28. axb4 Rxb4 29. f4 d4 30. Bf2 f6 31. Rc1 e5 32. fxe5 fxe5 33. Bg3 e4 34. Be5 Kf7 35. Rd1 e3 36. Kf1 e2+ 37. Kxe2 Bg4+ 38. Kd2 Bxd1 39. d7 Ke7 40. Bd6+ Kxd7 41. Bxb4 Ba4 42. Kd3 Bc6 43. g3 Ke6 44. Kxd4 Kf5 45. h4 Kg4 46. Bd6 g5 47. hxg5 Kxg5 48. Kc5 Kg4 49. Be5 Kg5 50. Bd6 Kg4 51. Be5 Kg5 52. Bd6 1/2-1/2

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "7"]
[White "Novikov, Evgenij"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2276"]
[BlackElo "2442"]
[PlyCount "78"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. Qb3 Qb6 7. d3 Nbd7 8. Be3 Qxb3 9. axb3 a6 10. Nh4 Bg4 11. f3 Bh5 12. g4 Bg6 13. Nc3 e5 14. Nxg6 hxg6 15. d4 exd4 16. Bxd4 Bc5 17. e3 dxc4 18. bxc4 0-0-0 19. Na4 Bxd4 20. exd4 g5 21. b4 Nf8 22. b5 axb5 23. cxb5 Ne6 24. bxc6 bxc6 25. f4 Nxf4 26. Bxc6 Rxd4 27. Bf3 Rh3 28. Rac1+ Kd8 29. Nb6 Rxf3 30. Rc8+ Ke7 31. Rxf3 Nxg4 32. Rc7+ Kf6 33. Rc6+ Kf5 34. Rc5+ Kg6 35. Rf1 Rd2 36. Rc6+ f6 37. Nc4 Rg2+ 38. Kh1 Rxh2+ 39. Kg1 Nh3# 0-1

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "4"]
[White "Vlassov, Nikolai"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2291"]
[BlackElo "2442"]
[PlyCount "104"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 e6 5. Na4 Qa5+ 6. c3 Nd7 7. b4 Qc7 8. Nc5 a5 9. Bb2 b6 10. Nxd7 Bxd7 11. a3 Ne7 12. Bd3 Ng6 13. Ne2 Nf4 14. Nxf4 Qxf4 15. 0-0 Be7 16. e5 axb4 17. axb4 0-0 18. Rxa8 Rxa8 19. Bc1 Qh4 20. Be3 f5 21. exf6 Qxf6 22. f4 Be8 23. Qc2 Bg6 24. Bxg6 Qxg6 25. Qxg6 hxg6 26. Bd2 Ra2 27. Rf2 c5 28. bxc5 bxc5 29. Kf1 c4 30. Be1 Ra1 31. Re2 Kf7 32. Kf2 Ba3 33. Rc2 Kf6 34. g4 g5 35. Bd2 gxf4 36. Bxf4 Rd1 37. h4 Rd3 38. h5 Be7 39. Be3 Bd8 40. Ke2 Ba5 41. Bd2 Rh3 42. g5+ Kf5 43. h6 gxh6 44. gxh6 Kg6 45. Kf2 Rd3 46. Ke2 Kh7 47. Kf2 Rh3 48. Kg2 Rd3 49. Be1 Re3 50. Bd2 Rd3 51. Be1 Re3 52. Bd2 Rd3 1/2-1/2

[Event "Titled Tuesday intern op 28th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.28"]
[Round "10"]
[White "Zarnicki, Pablo Adrian"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2514"]
[BlackElo "2442"]
[PlyCount "115"]
[EventDate "2025.01.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB06_2025"]
[SourceDate "2025.02.05"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.05"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. d3 Nf6 4. c3 h6 5. Nf3 Bd6 6. 0-0 Nbd7 7. Nbd2 0-0 8. e4 c6 9. a4 a5 10. Re1 Re8 11. Qc2 b6 12. b3 Ba6 13. Bb2 Nc5 14. c4 d4 15. Nh4 Bc8 16. h3 Ra7 17. Nf1 Ne6 18. Rad1 Bb4 19. Re2 Nd7 20. Bc1 Ndc5 21. Nf5 Bc3 22. f4 exf4 23. gxf4 Na6 24. Rf2 Nec5 25. N1g3 h5 26. Qe2 h4 27. Qg4 g6 28. Qxh4 gxf5 29. Qh6 f6 30. Nh5 Rf8 31. Bf3 Rh7 32. Rg2+ Kh8 33. Qg6 Be6 34. exf5 Bf7 35. Qxf6+ Qxf6 36. Nxf6 Rxh3 37. Bxc6 Nb4 38. Be4 Nxb3 39. Ng4 Nc5 40. Ne5 Bh5 41. Rf1 Nxe4 42. dxe4 d3 43. Ng6+ Bxg6 44. fxg6 Bd4+ 45. Rff2 Kg7 46. f5 Bxf2+ 47. Kxf2 Nc2 48. Bb2+ Kh6 49. g7 Rg8 50. f6 Rh4 51. Kg3 Rxe4 52. f7 Ree8 53. fxe8Q Rxe8 54. Kf4 Kh7 55. Rd2 Ne1 56. Rh2+ Kg6 57. Rh8 Ng2+ 58. Kg3 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "6"]
[White "Ashraf, Artin"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2407"]
[BlackElo "2442"]
[PlyCount "89"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nf6 4. d3 d5 5. Nbd2 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 h6 9. e5 Nh7 10. h4 b5 11. Nf1 a5 12. Bf4 Ba6 13. Qd2 b4 14. N1h2 Kh8 15. Ng4 a4 16. a3 Bb5 17. Qc1 Qb6 18. Kh2 Rfc8 19. Bf1 Bf8 20. c4 bxc3 21. bxc3 Na5 22. Ra2 Nb3 23. Qd1 d4 24. c4 Bc6 25. Bg2 Qb7 26. Kg1 Ra6 27. Ngh2 Rb6 28. Nf1 Rb8 29. g4 Na5 30. g5 Rb2 31. Rxb2 Qxb2 32. gxh6 gxh6 33. Bc1 Qa1 34. Qd2 Nb3 35. Qf4 Rb7 36. Ng3 Nxc1 37. Rxc1 Rb1 38. Rxb1 Qxb1+ 39. Kh2 Qxd3 40. Qxf7 Qxc4 41. Ng5 hxg5 42. Bxc6 Bg7 43. Be4 Nf8 44. hxg5 Qe2 45. Nxe2 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "8"]
[White "Chigaev, Maksim"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2632"]
[BlackElo "2442"]
[PlyCount "61"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. g3 Nc6 6. Bg2 b5 7. 0-0 Be7 8. Re1 0-0 9. h4 a5 10. d4 a4 11. a3 Na5 12. Nbd2 Bb7 13. dxc5 Qc7 14. Rb1 h6 15. Nd4 Qxc5 16. Ne4 Qb6 17. Qh5 f5 18. exf6 Nxf6 19. Nxf6+ Bxf6 20. Bxb7 Bxd4 21. cxd4 Qxb7 22. Bxh6 Nc4 23. Qg4 Rf7 24. Bg5 Raf8 25. Re2 Rf3 26. Rbe1 Rb3 27. Bc1 Nd6 28. Re5 Nf5 29. d5 Qb6 30. Be3 Nxe3 31. R1xe3 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "1"]
[White "Daskevics, Vadims"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2445"]
[BlackElo "2442"]
[PlyCount "200"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 Bd7 9. 0-0 Bc6 10. Nc3 Bxf3 11. Qxf3 d5 12. Be3 Nc6 13. Ba4 Nxa4 14. Nxa4 Qa5 15. b3 Be7 16. Rac1 0-0 17. Qe2 Rfc8 18. Nc5 b6 19. Nd3 Rc7 20. Rc2 Rac8 21. Rfc1 Bd8 22. g3 g6 23. h4 Qa6 24. Nf4 Qxe2 25. Nxe2 Nb4 26. Rxc7 Rxc7 27. Rxc7 Bxc7 28. Nc3 h5 29. Kf1 Kf8 30. Ke2 Ke8 31. Kd2 Kd7 32. a3 Nc6 33. Kd3 Ne7 34. Bg5 Nf5 35. Be3 Kc6 36. a4 a6 37. b4 b5 38. axb5+ axb5 39. Ne2 Bd8 40. Bd2 Bb6 41. Bc3 Bd8 42. Nf4 Be7 43. Nh3 Nh6 44. Bd2 Nf5 45. Bc3 Bd8 46. Bd2 Kd7 47. Bc3 Ne7 48. Ng5 Ke8 49. Nf3 Nc6 50. Kc2 Nb8 51. Nd2 Nd7 52. Nb1 f6 53. exf6 Nxf6 54. Na3 Ne4 55. Be1 Nd6 56. Bd2 Kd7 57. Bf4 Be7 58. Bxd6 Bxd6 59. Kc3 Kc6 60. f4 Bf8 61. Nc2 Be7 62. Ne1 Bd8 63. Nd3 Bf6 64. Nc5 Kd6 65. Kd3 Bg7 66. Ke3 Bf8 67. Nd3 Ke7 68. Ne5 Ke8 69. Nd3 Kf7 70. Kd2 Kf6 71. Kc3 Kf5 72. Ne5 Bd6 73. Nf7 Bc7 74. Ng5 Bd8 75. Nf7 Be7 76. Ne5 Bf6 77. Nd3 Kg4 78. Nc5 Kxg3 79. Nxe6 Kxh4 80. Nf8 Kg4 81. Nxg6 h4 82. Nxh4 Kxh4 83. Kd3 Kg4 84. f5 Kxf5 85. Ke3 Kg4 86. Kd3 Kf4 87. Kd2 Kf3 88. Kc3 Ke4 89. Kc2 Kxd4 90. Kb3 Kd3 91. Ka2 Kc4 92. Kb1 Kxb4 93. Ka2 Kc4 94. Kb1 d4 95. Kc1 Bd8 96. Kb1 Kc3 97. Ka2 d3 98. Ka1 d2 99. Ka2 d1R 100. Ka3 Ra1# 0-1

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "11"]
[White "Jakubowski, Krzysztof"]
[Black "Bryakin, Mikhail"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2442"]
[BlackElo "2426"]
[PlyCount "112"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ne7 4. Nf3 Nbc6 5. Be2 b6 6. 0-0 Bb7 7. Re1 Qd7 8. Bf4 f6 9. h3 a6 10. Bh2 0-0-0 11. e5 f5 12. Qb1 h6 13. b4 Na7 14. a4 g5 15. Nd2 f4 16. a5 b5 17. Nb3 Nf5 18. Na2 Nc6 19. c3 h5 20. Qd1 Qf7 21. Nac1 g4 22. hxg4 hxg4 23. Bxg4 Bh6 24. f3 Rdg8 25. Nd3 Ne3 26. Rxe3 fxe3 27. Nbc5 Nd8 28. Qe2 Bg5 29. f4 Qh7 30. Bh3 Be7 31. Kh1 Kb8 32. Qxe3 Bc8 33. Ra2 Qh4 34. Qf2 Qh5 35. Re2 Rg7 36. Re3 Rhg8 37. Qf3 Qh4 38. Re2 Rh7 39. Rf2 Rf8 40. Kg1 Qh6 41. Kf1 Bh4 42. Re2 Rg8 43. Kg1 Rhg7 44. Kh1 Bg3 45. Ne1 Qh4 46. Qf1 Bxh2 47. Kxh2 Qg3+ 48. Kh1 Qxc3 49. Nf3 Qxb4 50. Ng5 Qxd4 51. Rc2 Rxg5 52. fxg5 Qxe5 53. Qc1 Qxg5 54. Qe1 e5 55. Nd3 Bxh3 56. Nxe5 Bc8 0-1

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Christie, Joshua"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2442"]
[BlackElo "2209"]
[PlyCount "51"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. h4 b6 9. Bb5+ Kf8 10. h5 h6 11. a4 Ba6 12. 0-0 Bxb5 13. axb5 a5 14. bxa6 Rxa6 15. Ba3 Nd7 16. Qe2 Ra5 17. dxc5 bxc5 18. Rfb1 Kg8 19. c4 d4 20. Bc1 g5 21. Rxa5 Qxa5 22. Rb7 Qa4 23. Qe4 Kg7 24. g4 Rb8 25. Nxg5 Qa1 26. Qh7+ 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Ince, Taylan Ruzgar"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2442"]
[BlackElo "2246"]
[PlyCount "77"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Qa5 8. a3 cxd4 9. b4 Qb6 10. cxd4 a5 11. b5 Qxb5 12. Nc3 Qb6 13. Rb1 Qd8 14. Bd3 Be7 15. h4 h6 16. h5 b6 17. Rh3 Bb7 18. Rg3 Kf8 19. Nb5 Rc8 20. Qd2 Ba6 21. Qf4 Bxb5 22. Bxb5 Rg8 23. Bd3 Qc7 24. Bh7 Rh8 25. Rxg7 Nd8 26. Qxh6 Ke8 27. Rg8+ Rxg8 28. Bxg8 Nf8 29. Qd2 f5 30. h6 Qc4 31. h7 Nxh7 32. Bxh7 b5 33. Qe2 Qc3+ 34. Bd2 Qc2 35. Qxb5+ Kf7 36. Rc1 Qe4+ 37. Qe2 Rxc1+ 38. Bxc1 Qg4 39. Ng5+ 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Jimenez Salas, Maria Teresa"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2442"]
[BlackElo "2113"]
[PlyCount "91"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[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 Bd7 9. f3 Be7 10. h4 0-0 11. Kb1 b5 12. Nxc6 Bxc6 13. Ne2 d5 14. Nd4 Bb7 15. e5 Nd7 16. f4 Rc8 17. Bd3 Nc5 18. g4 f6 19. exf6 Bxf6 20. Qe3 Bxd4 21. Qxd4 Qd7 22. h5 Nxd3 23. cxd3 h6 24. Bxh6 gxh6 25. g5 Qc7 26. gxh6 Kh7 27. Rhg1 Rg8 28. a3 Rcf8 29. Rc1 Rxg1 30. Qxg1 Qf7 31. Qb6 Rc8 32. Rg1 Rg8 33. Rc1 Rc8 34. Re1 Rc6 35. Qd8 Rc8 36. Qb6 Rc6 37. Qd8 Rc8 38. Qd6 Re8 39. f5 e5 40. Rg1 Qxf5 41. Qc7+ Kxh6 42. Rg6+ Qxg6 43. hxg6 Bc8 44. Qh7+ Kg5 45. Qf7 Rd8 46. Qe7+ 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "4"]
[White "Jakubowski, Krzysztof"]
[Black "Kubicka, Anna"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2442"]
[BlackElo "2230"]
[PlyCount "89"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg5 Nbd7 9. a4 0-0 10. Bg2 b6 11. 0-0 Bb7 12. Re1 Rc8 13. Nd2 h6 14. Bxf6 Nxf6 15. Nf1 Rc4 16. Re3 Rd4 17. Qe1 Re8 18. Nd2 Bf8 19. Nf3 Rc4 20. Nd2 Rc7 21. Rd1 Qa8 22. Qe2 d5 23. exd5 Nxd5 24. Bxd5 Bxd5 25. Rxe5 Rce7 26. Rxe7 Rxe7 27. Qd3 Bc6 28. Nc4 Rd7 29. Qf1 Rxd1 30. Qxd1 Qe8 31. Qe2 Qd7 32. Ne5 Qd6 33. Nxc6 Qxc6 34. Qxa6 Qe6 35. Qe2 Qf6 36. Qe8 Qd4 37. Kg2 g6 38. Qe4 Qd2 39. Qe2 Qd4 40. Qd3 Qb4 41. Qb5 Qd4 42. Qd5 Qb4 43. Qb3 Qd6 44. Ne4 Qc6 45. Qf3 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "5"]
[White "Jakubowski, Krzysztof"]
[Black "Tang, Andrew"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2442"]
[BlackElo "2529"]
[PlyCount "153"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. h4 Qc7 10. Nc3 Nf4 11. Bf1 h6 12. Nf3 Bg4 13. d3 Bc5 14. Bxf4 exf4 15. Qd2 0-0 16. Ne4 Bxf3 17. gxf3 Rfe8 18. Be2 Bf8 19. Rg1 Re6 20. b4 Nb7 21. Qc3 f5 22. Qb3 Qf7 23. d4 fxe4 24. Bc4 Rae8 25. 0-0-0 Nd6 26. Bxe6 Qxe6 27. fxe4 Nxe4 28. Rde1 Qxb3 29. axb3 Bxb4 30. Ref1 Ba3+ 31. Kd1 f3 32. Rg6 Bb4 33. Rxc6 Nc3+ 34. Kc1 Re2 35. Kb2 Ne4 36. Rc8+ Kh7 37. Rc7 Nxf2 38. Rg1 Bf8 39. Rf7 Kg8 40. Rxf3 Ne4 41. d5 Bd6 42. Rf5 a5 43. Rg4 Nc5 44. Rc4 Nd3+ 45. Kc3 Ne5 46. Rc8+ Kh7 47. Rf1 Ng6 48. Rc6 Bb4+ 49. Kd3 Rd2+ 50. Ke4 Nxh4 51. Rc7 Ng6 52. c4 Re2+ 53. Kd3 Rd2+ 54. Ke3 Rb2 55. Rg1 Rxb3+ 56. Ke4 Rb2 57. c5 Re2+ 58. Kd3 Rd2+ 59. Kc4 h5 60. d6 Kh6 61. d7 Ne5+ 62. Kb5 Nxd7 63. Rc6+ Kh7 64. Rd6 Rxd6 65. cxd6 h4 66. Kc6 Ne5+ 67. Kd5 Nf3 68. Rh1 g5 69. d7 Be7 70. Ke4 Nd2+ 71. Kf5 Kh6 72. Rd1 Nc4 73. Re1 Bd8 74. Re8 Bb6 75. Re6+ Kg7 76. Rxb6 Nxb6 77. d8Q 1-0

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "10"]
[White "Madaminov, Mukhiddin"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2521"]
[BlackElo "2442"]
[PlyCount "144"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. a3 d6 6. d4 cxd4 7. c4 Nc7 8. Qxd4 Nc6 9. Qc3 dxe5 10. Nxe5 Nxe5 11. Qxe5 Be7 12. Qxg7 Bf6 13. Qg3 Bd7 14. Nc3 Bc6 15. Bf4 Na6 16. Rd1 Qa5 17. Be2 h5 18. h4 Nc5 19. 0-0 Bxc3 20. bxc3 Ne4 21. Qg7 Ke7 22. Bg5+ Nxg5 23. hxg5 Qf5 24. f4 Rhg8 25. Qd4 Rad8 26. Qxa7 Rxd1 27. Rxd1 Qxf4 28. Qc5+ Ke8 29. Bf3 Rxg5 30. Bxc6+ bxc6 31. Qxc6+ Kf8 32. Qd6+ Qxd6 33. Rxd6 Ra5 34. Kf2 Ke7 35. Rd3 Rxa3 36. Rh3 Ra4 37. Rh4 f5 38. Ke3 Kf6 39. Kd3 Ra2 40. c5 Rxg2 41. c6 Ke7 42. Rd4 Rg8 43. Kc4 e5 44. Rd1 e4 45. Kc5 f4 46. Rd4 Kf6 47. Rxe4 Kf5 48. Re1 f3 49. c7 Kf4 50. Kb6 f2 51. Rh1 Kg3 52. Kb7 Kg2 53. Rc1 f1Q 54. Rxf1 Kxf1 55. c8Q Rxc8 56. Kxc8 h4 57. c4 h3 58. c5 h2 59. c6 h1Q 60. c7 Qa8+ 61. Kd7 Qb7 62. Kd8 Qb6 63. Kc8 Kf2 64. Kd7 Qb7 65. Kd8 Qb6 66. Kd7 Qb5+ 67. Kd8 Qd5+ 68. Kc8 Ke3 69. Kb8 Qb5+ 70. Ka7 Qc6 71. Kb8 Qb6+ 72. Ka8 Qxc7 1/2-1/2

[Event "Titled Tuesday intern op 14th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.14"]
[Round "3"]
[White "Pranesh, Munirethinam"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2586"]
[BlackElo "2442"]
[PlyCount "47"]
[EventDate "2025.01.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2025"]
[SourceDate "2025.01.22"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.22"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Nc3 e6 4. Bg2 Nf6 5. Nf3 a6 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Bd7 9. Be3 Be7 10. Kh1 0-0 11. g4 Rc8 12. g5 Ne8 13. Nxc6 bxc6 14. f4 Qa5 15. Qf3 Rb8 16. Rab1 f6 17. Bd2 Qc7 18. Qg3 e5 19. g6 hxg6 20. Qxg6 Be6 21. Rf3 Bf7 22. Qg4 exf4 23. Rh3 g5 24. Qf5 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "11"]
[White "Blanco Diez, David"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2274"]
[BlackElo "2442"]
[PlyCount "102"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 h6 5. Bg2 Nf6 6. 0-0 Be7 7. d3 0-0 8. Nbd2 Bh7 9. Qe1 a5 10. a4 c5 11. e4 Nc6 12. Qe2 Nb4 13. Ne1 d4 14. Nc4 Nd7 15. Nf3 Qc7 16. Bc1 Rae8 17. Bf4 Qd8 18. Nd6 e5 19. Nxe8 exf4 20. Nxg7 Kxg7 21. gxf4 Kh8 22. Kh1 Bd6 23. e5 Bc7 24. Rg1 Nd5 25. Nxd4 Nxf4 26. Qg4 Nxg2 27. Qxg2 Rg8 28. Qxb7 cxd4 29. Rxg8+ Bxg8 30. f4 Nc5 31. Qc6 Ne6 32. f5 Nf8 33. Qxh6+ Bh7 34. f6 Ne6 35. Rg1 Qd5+ 36. Rg2 Qf3 37. Kg1 Qd1+ 38. Kf2 Qxc2+ 39. Kg1 Qd1+ 40. Kf2 Qc2+ 41. Kg1 Bxe5 42. Rg7 Qxd3 43. Rxf7 Qd1+ 44. Kg2 Qe2+ 45. Kg1 Qe1+ 46. Kg2 Qe2+ 47. Kg1 Qg4+ 48. Kf1 Qf3+ 49. Kg1 Qe3+ 50. Kf1 Qxh6 51. Rf8+ Qxf8 0-1

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "7"]
[White "Dushyant, Sharma"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2313"]
[BlackElo "2442"]
[PlyCount "65"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 e6 6. f4 f5 7. Nf3 Nf6 8. 0-0 Be7 9. Ne5 Bd7 10. Nd2 0-0 11. Ndf3 Rb8 12. Be3 b5 13. Nxc6 Bxc6 14. Ne5 Qc7 15. a3 Rfc8 16. Qf3 Be8 17. g4 Ne4 18. Qh3 g6 19. Bxe4 dxe4 20. Kh1 a5 21. Rg1 fxg4 22. Qxg4 Rb6 23. h4 Bf6 24. h5 Qg7 25. d5 Rd6 26. Bd4 Rcd8 27. dxe6 Qh6 28. Qh3 Rxd4 29. cxd4 Rxd4 30. Ng4 Qf8 31. hxg6 Bxg6 32. f5 Rd3 33. Qh2 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "9"]
[White "Erzhanov, Arman"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2132"]
[BlackElo "2442"]
[PlyCount "104"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. Nf3 Bd7 10. 0-0 0-0-0 11. Re1 Kb8 12. Ne5 Rhf8 13. Nd2 Qc7 14. Ndf3 Nxe5 15. Nxe5 Bc8 16. Rc1 Nd7 17. Nf3 Nb6 18. b3 h5 19. Ne5 f6 20. Ng6 Rfe8 21. Qxh5 Qd6 22. Re2 Ka8 23. Rce1 a6 24. f4 Qc6 25. Rc2 Bd7 26. Qh7 Nc8 27. Qxg7 f5 28. Ne5 Qc7 29. c4 Rg8 30. Qf7 Nd6 31. Qh5 dxc4 32. bxc4 Ba4 33. Rb2 Rg3 34. Bf1 Rdg8 35. Reb1 Bc6 36. Nxc6 Qxc6 37. c5 Nc4 38. Re2 Ne3 39. Rbb2 Qe4 40. c6 Qxd4 41. cxb7+ Kb8 42. Rbd2 Qc5 43. Rf2 Nxg2 44. Bxg2 Rxg2+ 45. Kf1 Rg1+ 46. Ke2 Qc4+ 47. Rd3 Qc2+ 48. Ke3 R8g3+ 49. Rf3 Qc5+ 50. Ke2 R1g2+ 51. Ke1 Qg1+ 52. Rf1 Re3+ 0-1

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "10"]
[White "Jakubowski, Krzysztof"]
[Black "Bardyk, Artem"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2442"]
[BlackElo "2249"]
[PlyCount "118"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. a4 e5 5. exd5 Qxd4 6. Qxd4 exd4 7. Ne2 Nf6 8. Nxd4 Nxd5 9. Bc4 Bc5 10. Nb3 Be3 11. Bxd5 Bxc1 12. Bxf7+ Kxf7 13. Nxc1 Bf5 14. Na3 Na6 15. Kf2 Rad8 16. Re1 Rd2+ 17. Re2 Rhd8 18. Nb3 Rxe2+ 19. Kxe2 Nb4 20. Rd1 Re8+ 21. Kd2 Rd8+ 22. Ke2 Re8+ 23. Kd2 g5 24. Nd4 Rd8 25. Ke2 Bg6 26. c3 Nd5 27. Nc4 Nf4+ 28. Kf2 c5 29. Ne5+ Kg8 30. g3 Ne6 31. Nxe6 Rxd1 32. Nxc5 Rd2+ 33. Ke3 Rxb2 34. h4 gxh4 35. gxh4 b6 36. Ncd7 Ra2 37. h5 Bf5 38. Nf6+ Kg7 39. Ne8+ Kf8 40. Nd6 Be6 41. Kf4 h6 42. Ng6+ Kg7 43. Ke5 Bf7 44. Nf5+ Kh7 45. Kf6 Be8 46. Nf8+ Kg8 47. Ng6 Rf2 48. Nxh6+ Kh7 49. Nf5 Rxf3 50. Nf8+ Kg8 51. Ng6 Bd7 52. Nge7+ Kh7 53. Kg5 Bxf5 54. Nxf5 Rxc3 55. Nd6 Ra3 56. Ne4 Rxa4 57. Nf6+ Kh8 58. Nd7 b5 59. Ne5 Ra1 0-1

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Carre, Sylvain"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2442"]
[BlackElo "2124"]
[PlyCount "101"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Na3 a6 7. Nc2 Nf6 8. Ne2 Bg4 9. f3 Bh5 10. Bf4 e5 11. dxe5 Nxe5 12. Bxe5 Qxe5 13. g4 Bg6 14. f4 Qe7 15. f5 Nxg4 16. fxg6 Qh4+ 17. Ng3 Bd6 18. gxf7+ Kf8 19. Ke2 Kxf7 20. Qf1+ Kg8 21. Nf5 Re8+ 22. Kd1 Nf2+ 23. Kc1 Qf4+ 24. Kb1 Bc5 25. Ncd4 g6 26. Rg1 Nxd3 27. Qxd3 Qe4 28. Qxe4 dxe4 29. Kc2 Kf7 30. Ne3 Bxd4 31. cxd4 Kg7 32. Raf1 Rhf8 33. Nf5+ Kh8 34. Nd6 Rxf1 35. Rxf1 Rb8 36. Kd2 Kg7 37. Ke3 b5 38. Nxe4 Rc8 39. d5 Rd8 40. d6 h5 41. Kd4 a5 42. Kd5 b4 43. Nc5 g5 44. Ne6+ Kg6 45. Nxd8 g4 46. Ne6 h4 47. d7 g3 48. hxg3 h3 49. d8Q h2 50. Qg8+ Kh5 51. Qg5# 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "4"]
[White "Jakubowski, Krzysztof"]
[Black "Krush, Irina"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2442"]
[BlackElo "2378"]
[PlyCount "111"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[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 Bd7 9. f3 Nxd4 10. Qxd4 Be7 11. h4 Qc7 12. Kb1 0-0 13. Qd2 Bc6 14. Ne2 Bb5 15. Nd4 Bxf1 16. Rhxf1 Rac8 17. g4 Rfe8 18. Rf2 d5 19. e5 Nd7 20. Bxe7 Rxe7 21. f4 Nc5 22. Qe3 Ne4 23. Rg2 Qb6 24. Ka1 Rec7 25. g5 Rc4 26. h5 g6 27. hxg6 fxg6 28. Rh2 R8c7 29. a3 a5 30. Qh3 a4 31. Qxe6+ Qxe6 32. Nxe6 Rxc2 33. Rxc2 Rxc2 34. Rxd5 Nd2 35. Nd4 Nb3+ 36. Nxb3 axb3 37. Kb1 Rf2 38. Kc1 Rxf4 39. Rb5 Rf5 40. Rxb3 Rxe5 41. Rxb7 Rxg5 42. b4 h5 43. Kd2 h4 44. Re7 h3 45. Re1 h2 46. Rh1 Rg2+ 47. Kc3 g5 48. b5 g4 49. b6 g3 50. b7 Rg1 51. b8Q+ Kg7 52. Qb7+ Kg6 53. Qf3 Rxh1 54. Qxh1 Kg5 55. Qg2 Kg4 56. a4 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "8"]
[White "Jakubowski, Krzysztof"]
[Black "Nurgaliyeva, Zarina"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2442"]
[BlackElo "2263"]
[PlyCount "55"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. h4 h6 10. Qh5 Qf6 11. Nh7 Rxh7 12. Bxh7 g6 13. Qe2 Nf4 14. Qf3 Bb7 15. d4 c5 16. Qa3 Nxg2+ 17. Kf1 Qa6+ 18. Kg1 0-0-0 19. Bd2 Qc6 20. Bxa5 Ne3 21. Rh2 Qf3 22. Qxe3 Qd1+ 23. Be1 Qg4+ 24. Qg3 Qd1 25. f3 cxd4 26. Rd2 Qc1 27. Qxe5 Bd6 28. Qe2 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "6"]
[White "Jakubowski, Krzysztof"]
[Black "Salonen, Aku"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2442"]
[BlackElo "2187"]
[PlyCount "57"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Be7 8. Bg5 0-0 9. Bxf6 Bxf6 10. Qd3 Be6 11. 0-0-0 Be7 12. Nd5 Nc6 13. Nxe7+ Qxe7 14. Qxd6 Qf6 15. Qd2 Bg4 16. Be2 Bh3 17. Qe3 a5 18. Nc5 a4 19. g4 Qh4 20. Rhg1 Nd4 21. c3 Rac8 22. Nd7 Rfd8 23. Nb6 Nxe2+ 24. Qxe2 Qh6+ 25. Qe3 Qxe3+ 26. fxe3 Rxd1+ 27. Kxd1 Rc6 28. Nd5 a3 29. Ne7+ 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "5"]
[White "Sarana, Alexey"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2677"]
[BlackElo "2442"]
[PlyCount "127"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d6 6. a3 Bxc3+ 7. bxc3 Nc6 8. f3 b6 9. Ne2 Na5 10. e4 Nd7 11. Qa4 Bb7 12. 0-0 Qe7 13. Be3 h5 14. Rac1 h4 15. d5 e5 16. g4 g5 17. Rb1 0-0 18. Rb5 Rfb8 19. Rfb1 Bc8 20. Kf2 f6 21. Bc2 Qd8 22. Bd3 Nf8 23. Nc1 Bd7 24. Qc2 Bxb5 25. cxb5 c4 26. Bf1 Ng6 27. Rb4 Rc8 28. Ne2 Kg7 29. a4 Rc7 30. Qb1 Rb8 31. Qb2 Rbb7 32. Qa2 Qa8 33. Nc1 Qc8 34. Qd2 Rb8 35. Qb2 Nh8 36. Qb1 Nf7 37. Rb2 Nd8 38. Na2 Ndb7 39. Nb4 Nc5 40. Qa2 a6 41. Bxc5 Rxc5 42. Nxa6 Ra8 43. Qa3 Rxa6 44. bxa6 Qxa6 45. Qb4 b5 46. axb5 Qb6 47. Kg2 Rc7 48. Ra2 Nb3 49. Bxc4 h3+ 50. Kxh3 Kg6 51. Kg2 Nc1 52. Rc2 Qe3 53. b6 Rh7 54. b7 Qf4 55. h3 Rxh3 56. Kxh3 Qxf3+ 57. Kh2 Qf4+ 58. Kg1 Qg3+ 59. Rg2 Qe1+ 60. Bf1 Ne2+ 61. Rxe2 Qg3+ 62. Rg2 Qe3+ 63. Rf2 Qg3+ 64. Bg2 1-0

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "2"]
[White "Topalov, Aleksandar"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2233"]
[BlackElo "2442"]
[PlyCount "92"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bf5 3. Nf3 e6 4. g3 h6 5. Bg2 Nf6 6. 0-0 Be7 7. d3 0-0 8. Nbd2 Bh7 9. e3 a5 10. a3 c5 11. Ne5 a4 12. bxa4 Nbd7 13. Nxd7 Nxd7 14. e4 Nb6 15. exd5 exd5 16. a5 Na4 17. Rb1 Rxa5 18. Ba1 Qd7 19. Qf3 Rd8 20. Rfe1 Bf8 21. Nb3 Ra7 22. Re5 c4 23. Nd4 cxd3 24. cxd3 Nc5 25. Rxd5 Qxd5 26. Qxd5 Rxd5 27. Bxd5 Bxd3 28. Rd1 Rxa3 29. Bb2 Ra5 30. Bc3 Ra7 31. Bb4 Bg6 32. Rc1 b6 33. Nb5 Rd7 34. Bc4 Be4 35. Re1 Bf3 36. Bc3 g5 37. Nd4 Bb7 38. Re8 Re7 39. Rb8 Be4 40. f4 gxf4 41. gxf4 Na4 42. Bb4 Nc5 43. Rxb6 Rb7 44. Bxc5 Bxc5 45. Rxb7 Bxd4+ 46. Kf1 Bxb7 0-1

[Event "Titled Tuesday intern op 07th Jan Early"]
[Site "Chess.com INT"]
[Date "2025.01.07"]
[Round "3"]
[White "Urazayev, Arystanbek"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2448"]
[BlackElo "2442"]
[PlyCount "53"]
[EventDate "2025.01.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2025"]
[SourceDate "2025.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.15"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. c3 e6 6. Bd3 Bd6 7. 0-0 Nge7 8. Re1 Bd7 9. b3 f6 10. c4 0-0 11. Bb2 Rc8 12. Nc3 dxc4 13. bxc4 b6 14. c5 Bb8 15. Bc4 Na5 16. Bxe6+ Bxe6 17. Rxe6 Nd5 18. Nxd5 Qxd5 19. Qe2 Nc4 20. Re1 bxc5 21. dxc5 Nxb2 22. Qxb2 Qxc5 23. g3 Qc2 24. Qb7 Qxa2 25. Re7 Kh8 26. Rxg7 Qc2 27. Ree7 1-0

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.31"]
[Round "9"]
[White "Jakubowski, Krzysztof"]
[Black "Klimkowski, Jan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2442"]
[BlackElo "2504"]
[PlyCount "30"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. a4 a5 5. Bg2 Bf5 6. 0-0 e6 7. b3 Nf6 8. Bb2 Be7 9. Nbd2 h6 10. c4 0-0 11. Ne5 c6 12. Bc3 Nbd7 13. Nxd7 Qxd7 14. Re1 Rfd8 15. e3 Qc7 1/2-1/2

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.30"]
[Round "7"]
[White "Cukrowski, Filip"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2403"]
[BlackElo "2442"]
[PlyCount "103"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 c6 7. Nc3 a5 8. b3 b6 9. Bb2 Ba6 10. Nd2 b5 11. Qc2 Nbd7 12. Rfe1 a4 13. Rac1 a3 14. Ba1 Bb4 15. e4 bxc4 16. bxc4 Nb6 17. Rb1 Bxc3 18. Bxc3 Nxc4 19. Nxc4 Bxc4 20. Bb4 Re8 21. e5 Nd7 22. Bf1 Bxf1 23. Rxf1 Nb6 24. Qxc6 Nc4 25. f4 g6 26. Rf3 Qb8 27. Rfb3 Qa7 28. Bc5 Qa5 29. Bb4 Qa7 30. Bc5 Qa5 31. Bb4 Qd8 32. Bc3 Rc8 33. Qa6 h5 34. Rb7 Nxe5 35. Ba5 Nf3+ 36. Kg2 Qf6 37. Kxf3 Qf5 38. Qe2 Rc2 39. Bd2 Rxa2 40. Rc1 Rb2 41. Ra7 a2 42. Kf2 Qb1 43. f5 Qxf5+ 44. Kg1 Reb8 45. Rf1 Rb1 46. Rxa2 Rxf1+ 47. Qxf1 Rb1 48. Be1 Qe4 49. Re2 Qxd4+ 50. Qf2 Qg4 51. Kg2 h4 52. Bc3 0-1

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.30"]
[Round "8"]
[White "Jakubowski, Krzysztof"]
[Black "Malek, Jan"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2442"]
[BlackElo "2498"]
[PlyCount "74"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 Re8 9. Bg5 h6 10. Bh4 d5 11. exd5 g5 12. Bg3 cxd5 13. Nb5 Ba5 14. Nd4 Bb6 15. Nc6 Qd7 16. Ne5 Qa4 17. b3 Qd4 18. c3 Qxc3 19. Rc1 Qd4 20. Rc6 Rxe5 21. Rxb6 Qxb6 22. Bxe5 Ba6 23. Bxa6 Qxa6 24. Qd4 Nh5 25. Qxd5 Re8 26. g3 Nf6 27. Qd4 c5 28. Qxc5 Ng4 29. Bd4 Nxh2 30. Kxh2 Qxf1 31. Qc6 Rd8 32. Qxh6 Rxd4 33. Qxg5+ Kh7 34. Qh5+ Kg8 35. Qg5+ Kh7 36. Qf5+ Kg8 37. Qg5+ Kh7 1/2-1/2

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.29"]
[Round "6"]
[White "Jakubowski, Krzysztof"]
[Black "Kokoszczynski, Jan"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2442"]
[BlackElo "2307"]
[PlyCount "27"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qd6 5. Qd2 Qxd2+ 6. Nbxd2 Nd7 7. e5 a5 8. Nc4 f6 9. h4 h5 10. g3 Kd8 11. Rh2 Kc7 12. Ke2 Nb8 13. Nxa5 Be6 14. Nc4 1-0

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.29"]
[Round "5"]
[White "Rudolf, Michal"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2284"]
[BlackElo "2442"]
[PlyCount "24"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 e6 8. 0-0 Be7 9. Qe2 0-0 10. Rd1 Bd7 11. Bd2 Rc8 12. Nc3 Nxc3 1/2-1/2

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.28"]
[Round "4"]
[White "Jakubowski, Krzysztof"]
[Black "Kaganskiy, Gleb"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2442"]
[BlackElo "2219"]
[PlyCount "77"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Be2 d6 6. 0-0 e6 7. c3 Nge7 8. Be3 0-0 9. Nbd2 Rb8 10. d4 b6 11. a3 a5 12. Qe1 f5 13. Bb5 Bd7 14. dxc5 bxc5 15. a4 Qc7 16. Rd1 fxe4 17. Nxe4 Nd5 18. Bc1 Rbe8 19. c4 Nd4 20. Nxd4 Bxd4+ 21. Kh1 Nb4 22. b3 Bc6 23. Ng5 Qe7 24. Nf3 Bxf3 25. Rxf3 Rd8 26. Qe2 e5 27. Re1 Qh4 28. g3 Qh5 29. Ref1 Kg7 30. Bb2 Rf5 31. Bc1 Rdf8 32. g4 Qxg4 33. Bd7 Qh5 34. Bxf5 Rxf5 35. Qg2 Rf7 36. f5 Qh4 37. fxg6 Rxf3 38. Qxf3 Qe7 39. Qf7+ 1-0

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.28"]
[Round "3"]
[White "Radzimski, Antoni"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2290"]
[BlackElo "2442"]
[PlyCount "92"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 b6 6. a3 Ba5 7. Rb1 Na6 8. g3 Bb7 9. d5 b5 10. Bg2 bxc4 11. 0-0 0-0 12. e4 d6 13. Qa4 exd5 14. exd5 h6 15. Qxc4 Re8 16. Be3 Nc7 17. b4 Ba6 18. Qa2 cxb4 19. axb4 Bxe2 20. Nxe2 Bb6 21. Bxb6 axb6 22. Qd2 Nb5 23. Nd4 Nxd4 24. Qxd4 Nd7 25. Rbc1 b5 26. Rc3 Ne5 27. Rfc1 Qf6 28. Kh1 Ra2 29. f4 Nc4 30. Qxf6 gxf6 31. Bf1 Rb2 32. Bxc4 bxc4 33. R1c2 Rxb4 34. Rxc4 Rxc4 35. Rxc4 Re1+ 36. Kg2 Rd1 37. Kf3 f5 38. Rc8+ Kg7 39. Re8 Rxd5 40. h3 Rd3+ 41. Kf2 h5 42. h4 Ra3 43. Rd8 Ra2+ 44. Kf3 Ra3+ 45. Kf2 Ra2+ 46. Kf3 Ra3+ 1/2-1/2

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.27"]
[Round "1"]
[White "Dalkowski, Rafal"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2102"]
[BlackElo "2442"]
[PlyCount "109"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 c6 6. Qc2 Na6 7. a3 Nc7 8. Bg5 g6 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 Be7 12. 0-0 0-0 13. b4 a6 14. Ne5 Nb5 15. a4 Nxc3 16. Qxc3 Ne4 17. Bxe7 Qxe7 18. Qb2 Nd6 19. Qb3 Rae8 20. Rab1 Kg7 21. Qd3 f6 22. Nf3 Qd7 23. Rfc1 Re7 24. Rc5 h5 25. h4 Rfe8 26. b5 axb5 27. axb5 Nxb5 28. Rbxb5 cxb5 29. Rxb5 Rc8 30. g3 Rc3 31. Qe2 Qf5 32. Qb2 Rec7 33. Nd2 Rc2 34. Qb4 Qh3 35. Nf3 Rc1+ 36. Ne1 Qf5 37. Kg2 Qe4+ 38. Kh2 Qf5 39. Kg2 R1c4 40. Qb3 Rc2 41. Nf3 Qe4 42. Rxb7 Rxb7 43. Qxb7+ Kg8 44. Qb8+ Kf7 45. Qf4 Ke6 46. Qb8 Kf5 47. Qd6 g5 48. hxg5 fxg5 49. Qd7+ Kg6 50. Qd6+ Kg7 51. Qd7+ Kg6 52. Qd6+ Kg7 53. Qd7+ Kg6 54. Qd6+ Kg7 55. Qd7+ 1/2-1/2

[Event "Bialystok Zamenhof Memorial 43rd"]
[Site "Bialystok"]
[Date "2024.12.27"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Butkiewicz, Jan"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2442"]
[BlackElo "2070"]
[PlyCount "53"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 d4 5. b4 c5 6. Bb2 Nc6 7. b5 Ne7 8. e3 Nf5 9. 0-0 Be7 10. exd4 cxd4 11. d3 0-0 12. Nbd2 Bc5 13. Nb3 Qd6 14. a4 Rd8 15. Qe2 Rb8 16. a5 b6 17. Bc1 Bb7 18. Bf4 Qe7 19. Bxb8 Rxb8 20. axb6 axb6 21. Ne5 Bxg2 22. Kxg2 Rc8 23. Qf3 h5 24. Ra8 Rxa8 25. Qxa8+ Kh7 26. Nxc5 Qxc5 27. Nxf7 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "8"]
[White "Atoyan, Alberto"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2133"]
[BlackElo "2444"]
[PlyCount "52"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 Re8+ 9. Ne2 h5 10. 0-0 Qc7 11. h3 Nd7 12. Bd2 Nf8 13. Rae1 Bd7 14. c4 Rad8 15. Nc3 Qc8 16. Rxe8 Rxe8 17. Re1 Rxe1+ 18. Bxe1 Bb8 19. Qe2 Qc7 20. Qf3 Qh2+ 21. Kf1 Ne6 22. Qe4 Nf4 23. g4 Qxh3+ 24. Kg1 Qxg4+ 25. Kf1 Qh3+ 26. Kg1 f5 0-1

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "1"]
[White "Haraguchi, Diego Sashaki"]
[Black "Jakubowski, Krzysztof"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2058"]
[BlackElo "2444"]
[PlyCount "65"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nf6 4. Nc3 Nc6 5. Bg2 Be7 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Bd7 9. h3 0-0 10. Be3 a6 11. a4 Qc7 12. Qd2 Na5 13. b3 Rfc8 14. Nce2 e5 15. Nf5 Bf8 16. g4 Qxc2 17. Qxa5 Qxe2 18. Qb6 Bxf5 19. gxf5 Rab8 20. Rfc1 Rxc1+ 21. Rxc1 Qd3 22. Qc7 Re8 23. Qxb7 a5 24. Qb5 Qxb5 25. axb5 Rb8 26. b6 Nd7 27. Rc6 f6 28. Bf1 Kf7 29. Ba6 Re8 30. Bc8 Nb8 31. Rc7+ Re7 32. Be6+ Ke8 33. Rc8# 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "10"]
[White "Hindermann, Felix"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2289"]
[BlackElo "2444"]
[PlyCount "52"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 a5 6. a3 h6 7. 0-0 Ne7 8. Nbd2 a4 9. Re1 Nd7 10. Nf1 b5 11. Ng3 Bh7 12. Bd3 Bxd3 13. Qxd3 Nb6 14. h4 Qd7 15. h5 Rc8 16. Nh2 Rc7 17. Ng4 Qd8 18. Rf1 Kd7 19. f4 g6 20. f5 gxf5 21. Nxh6 Bxh6 22. Bxh6 Rxh6 23. Qe3 Qh8 24. Qg5 Rc8 25. Qh4 Rg8 26. Rf4 Ng6 0-1

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "6"]
[White "Jakubowski, Krzysztof"]
[Black "Bekiragaoglu, Umut"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2444"]
[BlackElo "2136"]
[PlyCount "35"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Be3 Nf6 5. Nd2 Be7 6. Bd3 0-0 7. e5 Nfd7 8. f4 c5 9. c3 Nc6 10. Ne2 cxd4 11. cxd4 f5 12. 0-0 b6 13. Kh1 Nb4 14. Bb1 Ba6 15. a3 Nd3 16. Ra2 Rc8 17. Nf3 Bc4 18. b3 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Matthes, Aaron"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2444"]
[BlackElo "2234"]
[PlyCount "63"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. e3 d6 4. d4 exd4 5. exd4 g6 6. h3 Bg7 7. Bd3 0-0 8. Nf3 Re8+ 9. Be3 d5 10. 0-0 dxc4 11. Bxc4 Be6 12. d5 Bf5 13. Qb3 Qe7 14. Ng5 Bh6 15. d6 cxd6 16. Nxf7 Bxe3 17. Nxd6+ Kh8 18. Nxe8 Qxe8 19. fxe3 Qxe3+ 20. Rf2 Nbd7 21. Nd5 Nxd5 22. Bxd5 Qxb3 23. axb3 Nc5 24. g4 Be6 25. Bxe6 Nxe6 26. Rf7 Nc5 27. b4 Nd3 28. b5 Nxb2 29. Rxb7 Nc4 30. b6 Nxb6 31. Rxb6 Re8 32. Rb7 1-0

[Event "Titled Tuesday intern op 26th Nov Late"]
[Site "Chess.com INT"]
[Date "2024.11.26"]
[Round "7"]
[White "Jakubowski, Krzysztof"]
[Black "Nugumanov, Bakhtiyar"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2444"]
[BlackElo "2284"]
[PlyCount "55"]
[EventDate "2024.11.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB49_2024"]
[SourceDate "2024.12.04"]
[SourceVersion "1"]
[SourceVersionDate "2024.12.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Nbc6 8. Nf3 Bd7 9. h5 h6 10. Bd3 Qc7 11. 0-0 0-0-0 12. Re1 f6 13. Bf4 f5 14. dxc5 g5 15. hxg6 Nxg6 16. Bh2 Rhg8 17. Kh1 Rg7 18. Bxf5 exf5 19. e6 f4 20. exd7+ Qxd7 21. Rb1 Qg4 22. Rg1 Nh4 23. Nxh4 Qxh4 24. Qf3 Rf8 25. Rbe1 Kb8 26. Qxd5 Ne7 27. Qe5+ Ka8 28. Qxg7 1-0

