[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "3"]
[White "Baches Garcia, Guillermo"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2322"]
[BlackElo "2293"]
[PlyCount "102"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 Nbd7 4. Nbd2 h6 5. Bh4 g5 6. Bg3 e6 7. e3 Bd6 8. Bd3 Qe7 9. c3 g4 10. Ne5 h5 11. Qe2 h4 12. Bf4 Bxe5 13. dxe5 Nh5 14. Qxg4 Nxf4 15. exf4 Nc5 16. Bc2 Bd7 17. Nb3 0-0-0 18. 0-0-0 Nxb3+ 19. Bxb3 a5 20. a3 Qc5 21. Rd4 Qb6 22. Bc2 c5 23. Rd2 Bc6 24. Rhd1 Kb8 25. Qf3 Rd7 26. g3 Rhd8 27. Qe2 Bb5 28. Bd3 Ba4 29. Bc2 Bb5 30. Bd3 c4 31. Bc2 d4 32. cxd4 c3 33. Rd3 Bxd3 34. Bxd3 cxb2+ 35. Qxb2 Qc6+ 36. Kb1 Rxd4 37. Rc1 Qd7 38. Bc2 hxg3 39. hxg3 Rd2 40. Ka1 Rxf2 41. Rb1 Qd4 42. Be4 Qxb2+ 43. Rxb2 Rd1+ 44. Ka2 Rxb2+ 45. Kxb2 Rd2+ 46. Kc3 Re2 47. Kd4 Rd2+ 48. Kc5 Kc7 49. g4 Rf2 50. Kd4 Rxf4 51. Ke3 Rxg4 0-1

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "7"]
[White "Banerjee, Supratit"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2060"]
[BlackElo "2293"]
[PlyCount "174"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 e6 7. Bc4 Be7 8. 0-0 0-0 9. Nc3 Nxc3 10. bxc3 dxe5 11. dxe5 Qxd1 12. Rxd1 Nd7 13. Be3 Nc5 14. Rab1 b6 15. Nd4 Bb7 16. Nb5 Ba6 17. Bf1 Bxb5 18. Bxb5 Rfd8 19. a4 Ne4 20. Bd4 Rac8 21. Ba6 Nxc3 22. Bxc8 Nxd1 23. Rxd1 Rxc8 24. Be3 Rc7 25. Rb1 h5 26. g3 Kh7 27. Rd1 Kg6 28. h3 Kf5 29. Kg2 g5 30. Re1 Rc4 31. Rd1 Rc7 32. Re1 Bc5 33. Bd2 Rd7 34. Bc1 Rd4 35. a5 Bb4 36. Re3 g4 37. hxg4+ hxg4 38. axb6 axb6 39. Rb3 Bc5 40. Be3 Rd5 41. Bxc5 bxc5 42. Rb7 Kg6 43. f4 gxf3+ 44. Kxf3 Rxe5 45. Kf4 Rd5 46. Rc7 Kf6 47. g4 Rd4+ 48. Kf3 c4 49. g5+ Kg6 50. Ke3 Rd5 51. Ke4 Rxg5 52. Kf4 Rh5 53. Kg4 f5+ 54. Kg3 Rg5+ 55. Kf4 Rg4+ 56. Kf3 Re4 57. Rc8 Kf6 58. Rc5 Rh4 59. Kg3 Rd4 60. Kf3 e5 61. Ke3 f4+ 62. Kf3 Kf5 63. Rc8 Rd3+ 64. Ke2 Re3+ 65. Kd2 c3+ 66. Kd1 Ke4 67. Kc2 f3 68. Rc4+ Kf5 69. Rc8 e4 70. Rf8+ Kg4 71. Rg8+ Kh3 72. Rh8+ Kg2 73. Rg8+ Kf1 74. Rf8 f2 75. Rh8 Ke1 76. Rh1+ f1Q 77. Rxf1+ Kxf1 78. Kc1 Kf2 79. Kc2 Rd3 80. Kc1 Ke3 81. Kc2 Kd4 82. Kb3 e3 83. Kc2 e2 84. Kb3 e1Q 85. Ka4 Qb1 86. Ka5 Rd2 87. Ka4 Ra2# 0-1

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "2"]
[White "Karolczuk, Iwo"]
[Black "Bambino Filho, Antonio Carlos"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2293"]
[BlackElo "2169"]
[PlyCount "81"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 c6 5. a4 Nf6 6. h3 0-0 7. Nf3 Nbd7 8. Bc4 e5 9. 0-0 exd4 10. Bxd4 Qc7 11. Re1 Ne5 12. Bf1 Be6 13. Ng5 Rad8 14. Nxe6 fxe6 15. a5 c5 16. Be3 Nh5 17. Qd2 a6 18. f4 Nc6 19. Bc4 Qe7 20. g4 Nd4 21. Rf1 Nf6 22. Rae1 Qd7 23. f5 gxf5 24. gxf5 d5 25. fxe6 Qxe6 26. Nxd5 Nxd5 27. Bxd5 Rxd5 28. exd5 Rxf1+ 29. Rxf1 Qxh3 30. Qf2 Qg4+ 31. Qg2 Ne2+ 32. Kf2 Qc4 33. Bh6 Qh4+ 34. Kxe2 Qxh6 35. Qe4 Qh5+ 36. Rf3 Qh2+ 37. Rf2 Qh5+ 38. Kf1 Bd4 39. Qe6+ Kg7 40. Rg2+ Kf8 41. Rg8# 1-0

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "5"]
[White "Karolczuk, Iwo"]
[Black "Danielian, Vardan"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2293"]
[BlackElo "2230"]
[PlyCount "45"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. c4 Nf6 6. Nc3 e6 7. Nf3 Be7 8. Bd3 0-0 9. 0-0 Nc6 10. Re1 a6 11. h3 b6 12. d5 exd5 13. cxd5 Nb4 14. Bb1 Bb7 15. Bg5 Nbxd5 16. Nxd5 Nxd5 17. Bxe7 Nxe7 18. Bxh7+ Kxh7 19. Ng5+ Kg6 20. Qg4 f5 21. Qg3 f4 22. Qg4 Nf5 23. Ne6+ 1-0

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "8"]
[White "Karolczuk, Iwo"]
[Black "Martin Fuentes, Alberto"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2293"]
[BlackElo "2372"]
[PlyCount "96"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 b6 6. a3 Bxc3 7. Bxc3 Ba6 8. Bxa6 Nxa6 9. Qe2 Nb8 10. h4 c5 11. h5 h6 12. Nf3 Nbc6 13. g4 Rc8 14. 0-0-0 Qc7 15. Kb1 cxd4 16. Bxd4 Na5 17. Bc3 Nc4 18. Bb4 a5 19. Bxe7 Qxe7 20. Nd4 Qg5 21. Rhe1 a4 22. Rd3 0-0 23. c3 Na5 24. Ka2 Rc4 25. Qe3 Qxg4 26. Rdd1 Nb3 27. Rg1 Qxh5 28. Nxb3 axb3+ 29. Kxb3 b5 30. Rd4 Rfc8 31. Qg3 g6 32. Rgd1 Rxd4 33. Rxd4 Rc4 34. Qe3 Qh1 35. Rxc4 bxc4+ 36. Kb4 Qd1 37. a4 Qb3+ 38. Ka5 Qxb2 39. Ka6 h5 40. a5 h4 41. Ka7 Kg7 42. a6 Qb5 43. Qb6 Qxb6+ 44. Kxb6 h3 45. a7 h2 46. a8Q h1Q 47. Qd8 Qf3 48. Kc6 Qxf2 0-1

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Yagupov, Igor"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2293"]
[BlackElo "2275"]
[PlyCount "62"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 cxd4 6. Qxd4 f6 7. 0-0 d6 8. c4 c5 9. Qd3 Nh6 10. Nc3 Nf7 11. a3 Bg7 12. b4 Bg4 13. Bf4 g5 14. Bg3 h5 15. h3 Be6 16. Nd5 h4 17. Bh2 Rc8 18. Rad1 g4 19. hxg4 Bxg4 20. e5 Bxf3 21. exf6 Bxd1 22. fxg7 Rg8 23. Qh7 Kd7 24. Qf5+ Ke8 25. Re1 Rxg7 26. Nxe7 Kf8 27. Nxc8 Bg4 28. Qf4 Bxc8 29. bxc5 dxc5 30. Qe4 Ng5 31. Qe5 Nf3+ 0-1

[Event "Titled Tuesday intern op 02nd Apr Early"]
[Site "Chess.com INT"]
[Date "2024.04.02"]
[Round "1"]
[White "Slovineanu, Viacheslav"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2412"]
[BlackElo "2293"]
[PlyCount "82"]
[EventDate "2024.04.02"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 b6 5. b3 Bb7 6. Bd3 Bd6 7. 0-0 0-0 8. Bb2 Nbd7 9. Nc3 a6 10. Rc1 Qe7 11. a4 dxc4 12. bxc4 e5 13. e4 exd4 14. Nxd4 Qe5 15. Nf3 Qh5 16. Nd5 Bxd5 17. cxd5 Rfe8 18. Re1 Nc5 19. e5 Ng4 20. exd6 Rxe1+ 21. Qxe1 Nxd3 22. Qc3 Nde5 23. Nxe5 Qxh2+ 24. Kf1 Qh1+ 25. Ke2 Qh5 26. Nxg4 Qxg4+ 27. Kf1 cxd6 28. Qd4 Qg6 29. Qxb6 h5 30. Qb7 Re8 31. Kg1 Kh7 32. Qb3 Re4 33. Qc2 h4 34. f3 Re1+ 35. Kh2 f5 36. Rxe1 Qg3+ 37. Kg1 Qxe1+ 38. Kh2 Qg3+ 39. Kg1 Qe1+ 40. Kh2 Qg3+ 41. Kg1 Qe1+ 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.04"]
[Round "9"]
[White "Karolczuk, Iwo"]
[Black "Vasynda, Oleksandr"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2365"]
[BlackElo "2153"]
[PlyCount "69"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 Qe7 10. 0-0 Nf8 11. Bh6 Bxh6 12. Qxh6 f6 13. Nh4 g5 14. Nf5 Bxf5 15. exf5 Nd7 16. Ne4 0-0-0 17. a3 Qf8 18. Qh5 Kb8 19. b4 b6 20. Rfb1 Kc7 21. b5 cxb5 22. Rxb5 Qe8 23. Qf3 Nb8 24. Rab1 Nc6 25. Nxf6 Qf7 26. Ng4 Nd4 27. Rxc5+ Kd6 28. Rc6+ Nxc6 29. Qxc6+ Kxc6 30. Nxe5+ Kd5 31. Nxf7 Kd4 32. Rb4+ Kc3 33. Rc4+ Kb2 34. Nxh8 Rxh8 35. a4 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.03"]
[Round "8"]
[White "Klepek, Witold"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2252"]
[BlackElo "2365"]
[PlyCount "61"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 h5 7. Bg5 Nbd7 8. Qd2 Nc5 9. Bd3 e6 10. 0-0-0 b5 11. Rge1 Bb7 12. Nd5 Nxd3+ 13. Qxd3 Rc8 14. Qh3 Be7 15. Nxe7 Qxe7 16. e5 dxe5 17. Rxe5 0-0 18. Qg3 Rfd8 19. Rd2 Rxd4 20. Rxd4 Qc7 21. Re2 Qxg3 22. fxg3 Nd5 23. Bd2 Kf8 24. g4 hxg4 25. Rxg4 g6 26. Rh4 Kg7 27. b3 Kf6 28. Rf2+ Kg7 29. Re2 Kf6 30. Rh7 Ke7 31. Rf2 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.02"]
[Round "7"]
[White "Gierulski, Kamil"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2223"]
[BlackElo "2365"]
[PlyCount "40"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Be7 10. 0-0 0-0 11. Bd3 f6 12. exf6 Bxf6 13. b3 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Rb1 Qf6 17. Ne3 Nxe3 18. Bxe3 Qd6 19. Qh5 g6 20. Qh4 Bf6 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.02"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Keinanen, Anastasia"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2365"]
[BlackElo "2227"]
[PlyCount "133"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. Na3 a6 10. Nc2 e5 11. Re1 0-0 12. b4 Re8 13. Rb1 h6 14. Nd2 Bf5 15. Qe2 Qd7 16. a4 Bf8 17. b5 axb5 18. axb5 Nd8 19. Qf1 Ra4 20. Nb3 Rxc4 21. dxc4 Bxc2 22. Rb2 d3 23. Rxc2 dxc2 24. Qe2 Bb4 25. Rf1 Ne6 26. Qxc2 Nd4 27. Qd3 Rd8 28. Nxd4 exd4 29. Bf4 b6 30. Ra1 Qe7 31. Bc6 g5 32. Bd2 Bxd2 33. Qxd2 Ng4 34. Bd5 Ne5 35. Kg2 d3 36. Re1 Qf6 37. f4 gxf4 38. Qxf4 Qxf4 39. gxf4 d2 40. Rd1 Nd3 41. Kf3 Kg7 42. Rxd2 Nb4 43. Rb2 Nxd5 44. Rd2 Rc8 45. cxd5 Kf6 46. d6 Ke6 47. d7 Rd8 48. Kg4 f6 49. Kh5 Kf5 50. Rd4 Ke6 51. Kxh6 Kf7 52. Kh7 f5 53. h4 Kf6 54. Rd6+ Kf7 55. Kh6 Ke7 56. Rxb6 Kxd7 57. Kg5 Ke7 58. h5 Kf7 59. h6 Kg8 60. Rc6 Kh7 61. Rc7+ Kh8 62. b6 Rg8+ 63. Kxf5 Rf8+ 64. Ke4 Re8+ 65. Kf3 Rg8 66. b7 Rg7 67. hxg7+ 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.31"]
[Round "5"]
[White "Karolczuk, Iwo"]
[Black "Eke, Salih"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2365"]
[BlackElo "2217"]
[PlyCount "119"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 Qc7 7. h3 d6 8. Na3 e5 9. c3 Ne7 10. d4 cxd4 11. cxd4 0-0 12. dxe5 dxe5 13. Be3 h6 14. Bc5 Rd8 15. Qa4 Be6 16. Nc4 Nc8 17. Qa5 Nb6 18. Ncxe5 Bxe5 19. Nxe5 Qxe5 20. Bxb6 Qxa5 21. Bxa5 Rd4 22. a3 c5 23. Bc3 Rd3 24. f4 Rad8 25. Kf2 Bb3 26. Re2 Bd1 27. Re1 Bb3 28. Re3 c4 29. Rae1 Kf8 30. f5 h5 31. Kf3 Ke7 32. g3 Bc2 33. Kf4 Rxe3 34. Rxe3 Rd3 35. Rxd3 Bxd3 36. g4 hxg4 37. hxg4 gxf5 38. gxf5 f6 39. e5 fxe5+ 40. Kxe5 Kf7 41. f6 Bc2 42. Ba5 Bb3 43. Bc7 Bc2 44. Bd8 Bb3 45. Ba5 Bc2 46. Bb4 Bd1 47. Be1 Bc2 48. Bc3 Bb3 49. Ba5 Bc2 50. Bc7 Bd1 51. Bd8 Bb3 52. Kd4 a5 53. Bxa5 Kxf6 54. Kc5 Ke6 55. Kb5 Kd7 56. Bb6 Kc8 57. a4 Kb7 58. a5 Ka8 59. a6 Ba2 60. Kb4 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.30"]
[Round "4"]
[White "Fodor, Balazs"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2225"]
[BlackElo "2365"]
[PlyCount "117"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 h6 5. Bg2 Bd6 6. 0-0 0-0 7. Qc2 Nc6 8. a3 dxc4 9. Nbd2 b5 10. b3 Na5 11. bxc4 bxc4 12. Ne5 Rb8 13. Nexc4 Nxc4 14. Nxc4 Nd5 15. e4 Nb6 16. Na5 Bd7 17. Nc6 Bxc6 18. Qxc6 Qe8 19. Qc3 e5 20. Be3 Na4 21. Qc4 Qb5 22. Qc2 Qb3 23. Qe2 exd4 24. Bxd4 c5 25. Be3 Be5 26. Rae1 c4 27. Qg4 Kh8 28. Bh3 Rb5 29. f4 Bc3 30. Re2 Nc5 31. e5 Nd3 32. Qh4 Kh7 33. Qe7 Rbb8 34. Bf5+ Kh8 35. Be4 Qb5 36. Qh4 f6 37. Qh5 Qe8 38. Bg6 Qe7 39. e6 f5 40. Bxf5 Rb5 41. g4 Qxa3 42. Qg6 Rbxf5 43. gxf5 Bf6 44. Qg2 c3 45. Ra2 Qb3 46. Rxa7 c2 47. e7 Rg8 48. Qe4 Qb5 49. Ra8 Bxe7 50. Rxg8+ Kxg8 51. Qxe7 Qxf5 52. Qh4 c1Q 53. Bxc1 Qc5+ 54. Kg2 Qc2+ 55. Kh1 Qc6+ 56. Kg1 Qc5+ 57. Kg2 Qc2+ 58. Kh1 Qc6+ 59. Kg1 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.29"]
[Round "3"]
[White "Karolczuk, Iwo"]
[Black "Balint, Peter1"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2365"]
[BlackElo "2187"]
[PlyCount "144"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. h3 0-0 9. Re1 h6 10. Nbd2 b5 11. Bb3 Na5 12. Bc2 c5 13. Nf1 Re8 14. Ng3 Bb7 15. Be3 Qe7 16. b4 Nc6 17. Qd2 Kh7 18. a4 cxb4 19. cxb4 Nd7 20. Bb3 Qf8 21. Rac1 Rac8 22. axb5 axb5 23. Bd5 Nf6 24. Ba2 Ra8 25. Bb3 Ra3 26. Rb1 Rea8 27. Ne2 Nd7 28. Nc3 f5 29. Be6 f4 30. Bxd7 fxe3 31. fxe3 Qe7 32. Bxc6 Bxc6 33. Rec1 h5 34. Nd1 Bb7 35. Rc2 d5 36. exd5 Bxd5 37. e4 Bh6 38. Qf2 Bb3 39. Rc5 Ra1 40. Nc3 Rxb1+ 41. Nxb1 Ra2 42. Nbd2 Qa7 43. h4 Bf4 44. g3 Bd1 45. Ng5+ Bxg5 46. hxg5 Bf3 47. Qe3 Ra1+ 48. Kf2 Bg4 49. Rxe5 Qf7+ 50. Qf4 Qxf4+ 51. gxf4 Ra2 52. Ke3 h4 53. f5 h3 54. Re7+ Kg8 55. fxg6 Rb2 56. Rh7 Rxb4 57. Rh4 Bc8 58. Nf3 Rb1 59. Nd4 b4 60. Nf5 b3 61. Kd2 Bxf5 62. exf5 h2 63. Kc3 h1Q 64. Rxh1 Rxh1 65. Kxb3 Kg7 66. Kc4 Rf1 67. d4 Rxf5 68. d5 Kxg6 69. d6 Kxg5 70. d7 Rf8 71. Kd5 Kf6 72. Kd6 Rd8 0-1

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.28"]
[Round "2"]
[White "Podolskyi, Mykhailo"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2177"]
[BlackElo "2365"]
[PlyCount "50"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 0-0 10. Be2 Be6 11. 0-0 a6 12. Rfc1 Bd6 13. a3 Ne7 14. b4 g5 15. e4 dxe4 16. Nxe4 Qf4 17. Qc2 Bf5 18. Nf6+ Kh8 19. Qb2 Be4 20. Nxe4 Qxe4 21. Ne5 Nf5 22. Rd1 Nh4 23. Bf1 f6 24. Re1 Qd5 25. Rad1 Rae8 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.27"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Pyrig, Roman"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2365"]
[BlackElo "2154"]
[PlyCount "83"]
[EventDate "2023.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. b3 b6 9. Bc3 Nbd7 10. Nbd2 Bb7 11. Rc1 c5 12. e3 Rc8 13. Qe2 cxd4 14. Nxd4 Ba6 15. Rfd1 Ba3 16. Rb1 Qe7 17. e4 dxc4 18. b4 Nc5 19. bxc5 Bxc5 20. Nb5 Bxb5 21. Rxb5 a6 22. Rbb1 b5 23. a4 Rfd8 24. axb5 axb5 25. Rxb5 Rd3 26. Rc1 Qd7 27. Rbb1 e5 28. Bf3 Ba7 29. Rc2 Qa4 30. Rbc1 Qb5 31. Ba1 h5 32. Nxc4 Rdd8 33. Nxe5 Rxc2 34. Qxc2 h4 35. Nc6 hxg3 36. hxg3 Rd7 37. Nxa7 Rxa7 38. Bxf6 gxf6 39. Qc8+ Kg7 40. Qg4+ Kf8 41. Qh5 Qd7 42. Bg4 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.10"]
[Round "7"]
[White "Karolczuk, Iwo"]
[Black "Pycinski, Wladyslaw"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2365"]
[BlackElo "2040"]
[PlyCount "79"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. c4 Be7 6. d4 0-0 7. cxd5 exd5 8. Nc3 Nc6 9. dxc5 Bxc5 10. a3 Re8 11. b4 Bf8 12. Bb2 a6 13. Rc1 Bg4 14. h3 Bh5 15. g4 Bg6 16. e3 h5 17. Nh4 Be4 18. f3 Nh7 19. Nxe4 dxe4 20. Qxd8 Raxd8 21. f4 hxg4 22. hxg4 Rd3 23. Rfe1 Rd2 24. Rb1 g6 25. Red1 Rxd1+ 26. Rxd1 Be7 27. g5 Nxg5 28. Nxg6 fxg6 29. fxg5 Bxg5 30. Kf2 Ne5 31. Bxe5 Rxe5 32. Rd7 Re7 33. Rxe7 Bxe7 34. Bxe4 b6 35. Bxg6 a5 36. bxa5 bxa5 37. a4 Kg7 38. Bd3 Kf6 39. Kf3 Ke5 40. Bh7 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.09"]
[Round "6"]
[White "Psyk, Radoslaw"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2457"]
[BlackElo "2365"]
[PlyCount "89"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Nxd5 7. N2f3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 0-0 10. Be2 Qf6 11. 0-0 b6 12. Qg5 Nf4 13. Qxf6 Nxe2+ 14. Nxe2 gxf6 15. Rfd1 Nc6 16. Nf4 Kg7 17. Rd6 Ne5 18. Nxe5 fxe5 19. Nd3 Kf6 20. Re1 Ke7 21. Rc6 Bd7 22. Rc7 Rfc8 23. Rb7 Rxc2 24. Nxe5 Rd2 25. Rc1 Rc8 26. Re1 f6 27. Nf3 Rxb2 28. Rd1 Rd8 29. Rxa7 e5 30. h3 Ke8 31. a3 Rb3 32. Rd6 Ke7 33. Rd2 Ke8 34. Rd6 Ke7 35. Rd5 Ke8 36. Nd2 Rb5 37. Ne4 Rxd5 38. Nxf6+ Kf8 39. Nxd5 Bxh3 40. Nxb6 Bf5 41. Ra5 Rd1+ 42. Kh2 Rd2 43. Rxe5 Rxf2 44. Kg1 Rf4 45. Nd5 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.08"]
[Round "5"]
[White "Mondrzycki, Bartlomiej"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2231"]
[BlackElo "2365"]
[PlyCount "83"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. d4 0-0 6. 0-0 h6 7. Qc2 Nc6 8. Nbd2 Re8 9. Rd1 b6 10. a3 Bb7 11. b4 e5 12. cxd5 Nxd5 13. dxe5 Nxe5 14. Bb2 Qe7 15. Nxe5 Bxe5 16. Bxe5 Qxe5 17. Nc4 Qe6 18. Rd4 Rab8 19. Rad1 Nf6 20. Bxb7 Rxb7 21. Ne3 Qe5 22. Rc4 Ne4 23. Rd5 Qe7 24. Qd3 Nf6 25. Rdd4 c5 26. bxc5 bxc5 27. Rd6 Rb2 28. Nf5 Qxe2 29. Nxh6+ Kf8 30. Qxe2 Rexe2 31. Rf4 Rb6 32. Nf5 Rxd6 33. Nxd6 Re6 34. Nb7 Re1+ 35. Kg2 Rc1 36. Ra4 c4 37. Nd6 c3 38. Rxa7 c2 39. Rxf7+ Kg8 40. Rc7 Rd1 41. Rxc2 Rxd6 42. Rc4 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.07"]
[Round "4"]
[White "Karolczuk, Iwo"]
[Black "Sowinski, Pawel"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2365"]
[BlackElo "2361"]
[PlyCount "64"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nd7 7. d4 dxe4 8. Nxe4 Ngf6 9. Nxf6+ Nxf6 10. Qb3 Qc7 11. 0-0 Bd6 12. Bf3 0-0 13. Re1 h6 14. c4 Rab8 15. Be3 Bf4 16. Rad1 Bxe3 17. Rxe3 Rfd8 18. Red3 b5 19. cxb5 Rxb5 20. Qc2 Nd5 21. R3d2 Qd6 22. Rc1 Rdb8 23. b3 R8b6 24. Qe4 Ra5 25. Be2 Qf4 26. Qxf4 Nxf4 27. Bf3 Nd5 28. Bxd5 Rxd5 29. Rc5 Kf8 30. Kf1 Ke7 31. Ke2 Kd6 32. Rc4 Rg5 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.06"]
[Round "3"]
[White "Rog, Bartlomiej"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2239"]
[BlackElo "2365"]
[PlyCount "42"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Qe4 Bd7 11. Bb3 Rc8 12. Nc3 Nxc3 13. bxc3 dxe5 14. dxe5 Na5 15. Bh6 Re8 16. Qg4 g6 17. Ng5 Nxb3 18. axb3 Qc7 19. Rad1 Bc6 20. Rfe1 Rcd8 21. Rxd8 Bxd8 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.05"]
[Round "2"]
[White "Karolczuk, Iwo"]
[Black "Dalkowski, Rafal"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2365"]
[BlackElo "2090"]
[PlyCount "59"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. c3 Nd7 7. Bd3 Bd6 8. 0-0 Ngf6 9. Na3 b5 10. Nc2 0-0 11. Ne3 Be6 12. d5 cxd5 13. exd5 Bg4 14. Nxg4 Nxg4 15. Bxh7+ Kh8 16. Bf5 Qb6+ 17. Kh1 Nf2+ 18. Rxf2 Qxf2 19. Bxd7 e4 20. Ng5 Qh4 21. Bh3 Kg8 22. g3 Qh8 23. Bf5 g6 24. Nxe4 Be5 25. Bd7 Rad8 26. Bc6 Qh3 27. Qf3 f6 28. Bf4 Kg7 29. Qg2 Qg4 30. Nc5 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.04"]
[Round "1"]
[White "Bartodziej, Bartosz"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1926"]
[BlackElo "2365"]
[PlyCount "53"]
[EventDate "2023.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 d6 6. c3 g5 7. Re1 Bg7 8. d4 g4 9. dxe5 Nd7 10. e6 fxe6 11. Nd4 Nde5 12. Nxe6 Qe7 13. Nxg7+ Qxg7 14. Be2 Be6 15. Be3 0-0-0 16. Nd2 h5 17. b4 g3 18. fxg3 h4 19. gxh4 Rxh4 20. Bf2 Rg8 21. Bf1 Rxh2 22. Kxh2 Qh7+ 23. Kg1 Rh8 24. Bh4 Qxh4 25. Nf3 Nxf3+ 26. Qxf3 Ne5 27. Qe3 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.10.01"]
[Round "9.1"]
[White "Karolczuk, Iwo"]
[Black "Skawinski, Arkadiusz"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2325"]
[BlackElo "2343"]
[PlyCount "14"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Wisznia Mala Bialy Krol"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. h3 d6 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.30"]
[Round "8.5"]
[White "Kucharska, Honorata"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2197"]
[BlackElo "2325"]
[PlyCount "64"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Rybnik"]
[BlackTeam "Strzelce Opolskie Strzelec"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c5 5. Nf3 c4 6. Be2 Nf6 7. 0-0 Be7 8. b3 cxb3 9. axb3 0-0 10. c4 Nc6 11. Nc3 Bg4 12. Be3 Bb4 13. Na4 Re8 14. h3 Bh5 15. Ra2 Ne4 16. Nh2 Bg6 17. Bf3 dxc4 18. bxc4 Ng3 19. fxg3 Rxe3 20. d5 Ne5 21. Qd4 Nxf3+ 22. Nxf3 Re4 23. Qf2 Rxc4 24. Ne5 Rc7 25. Nxg6 hxg6 26. Kh1 b5 27. Nb2 Qxd5 28. Nd1 Rc1 29. Ne3 Rxf1+ 30. Nxf1 a5 31. Ne3 Qe4 32. Nc2 Bc3 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.29"]
[Round "7.1"]
[White "Karolczuk, Iwo"]
[Black "Fiedorek, Michal"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2325"]
[BlackElo "2334"]
[PlyCount "31"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Bydgoszcz Energia Gwiazda"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 e6 6. Nbd2 Bd6 7. Bg3 Bxg3 8. hxg3 Qe7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Qg4 f5 12. exf6 Nxf6 13. Qg5 Bd7 14. Qg6+ Kd8 15. Qc2 Kc7 16. e4 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.28"]
[Round "6.5"]
[White "Ciesla, Adam"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2268"]
[BlackElo "2325"]
[PlyCount "14"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Czestochowa Hetman"]
[BlackTeam "Strzelce Opolskie Strzelec"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nxf6+ Qxf6 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.27"]
[Round "5.7"]
[White "Karolczuk, Iwo"]
[Black "Kujawski, Adam"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2325"]
[BlackElo "2173"]
[PlyCount "73"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Bydgoszcz Hetman"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Re8 11. Bf4 Nh5 12. Bg5 Qc7 13. Re1 Nd7 14. e4 Rb8 15. g4 Nhf6 16. e5 Nxg4 17. exd6 Rxe1+ 18. Nxe1 Qb6 19. Qxg4 Qxb2 20. Rc1 Bxc3 21. Nd3 Qa3 22. Qe4 Nf6 23. Qe7 Bf5 24. Rxc3 Qxc3 25. Ne5 Ne4 26. Qxf7+ Kh8 27. Bf6+ Nxf6 28. Qxf6+ Kg8 29. d7 Bxd7 30. Qf7+ Kh8 31. Nxd7 Qc1+ 32. Bf1 Qg5+ 33. Kh1 Rd8 34. d6 Qh4 35. Nf6 Qh6 36. Ne8 g5 37. Qe7 1-0

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.26"]
[Round "4.6"]
[White "Molenda, Marcin"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2395"]
[BlackElo "2325"]
[PlyCount "66"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Jastrzebie Zdroj Pionier"]
[BlackTeam "Strzelce Opolskie Strzelec"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 h6 5. Bg2 Bd6 6. 0-0 0-0 7. Nc3 Nc6 8. b3 dxc4 9. bxc4 e5 10. d5 Na5 11. c5 Bxc5 12. Nxe5 Re8 13. Nd3 Bd4 14. Bb2 Nc4 15. Qa4 b5 16. Nxb5 Bxb2 17. Qxc4 Bxa1 18. Nxc7 Ba6 19. Qxa6 Qxc7 20. d6 Qc3 21. Bxa8 Rxa8 22. Rc1 Qd4 23. e3 Qd5 24. Rxa1 Ne4 25. Rc1 Ng5 26. h4 Nf3+ 27. Kf1 Rd8 28. Rc8 Rxc8 29. Qxc8+ Kh7 30. Qc2 g6 31. Nf4 Qxd6 32. Qe2 Qc6 33. Nd3 Nd4 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.25"]
[Round "3.4"]
[White "Karolczuk, Iwo"]
[Black "Kistrup, Nicolai"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2325"]
[BlackElo "2359"]
[PlyCount "63"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Gostynin Gostmat 83"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nbd7 8. 0-0 0-0 9. exd5 cxd5 10. Re1 Re8 11. Nf1 Qc7 12. Ng3 a5 13. Ba4 Re6 14. Ng5 Rb6 15. c4 Rxb2 16. cxd5 b5 17. Bb3 Qa7 18. Re2 Rxe2 19. Qxe2 a4 20. Bc2 Qd4 21. Rb1 Qxd5 22. Nf5 Kf8 23. d4 Bb7 24. Ne3 Qxd4 25. Qxb5 Ba6 26. Qc6 Ra7 27. Nf5 Qc4 28. Qd6+ Kg8 29. Ne7+ Kh8 30. Rb8+ Bc8 31. Rxc8+ Qxc8 32. Nxf7# 1-0

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.24"]
[Round "2.5"]
[White "Golenia, Wojciech"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2198"]
[BlackElo "2325"]
[PlyCount "106"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wieliczka MKS MOS"]
[BlackTeam "Strzelce Opolskie Strzelec"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. c3 b5 12. Bb3 Bb7 13. Re1 Be7 14. Bg5 h6 15. Bxf6 Bxf6 16. Qh5 g6 17. Qg4 e5 18. Qg3 0-0-0 19. Nf3 e4 20. Ne5 Bxe5 21. Qxe5 Qd6 22. Qxd6 Rxd6 23. Red1 Rxd1+ 24. Rxd1 f5 25. Bf7 f4 26. Bxg6 Rg8 27. Bf5+ Kc7 28. Rd7+ Kb8 29. Kf1 Rg5 30. Rf7 Bd5 31. Rf8+ Kc7 32. g3 e3 33. fxe3 fxg3 34. hxg3 Rxg3 35. e4 Bxa2 36. Rf6 a5 37. Rxh6 Bc4+ 38. Kf2 Rd3 39. Be6 Bxe6 40. Rxe6 Rd2+ 41. Ke3 Rxb2 42. Ra6 b4 43. Rxa5 bxc3 44. Rc5+ Kd6 45. Rxc3 Rb1 46. Rd3+ Ke6 47. Ra3 Re1+ 48. Kf3 Rf1+ 49. Ke2 Rb1 50. Ke3 Re1+ 51. Kf2 Rxe4 52. Re3 Ke5 53. Rxe4+ Kxe4 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.23"]
[Round "1.5"]
[White "Karolczuk, Iwo"]
[Black "Pyda, Zbigniew"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2325"]
[BlackElo "2268"]
[PlyCount "79"]
[EventDate "2023.09.23"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Strzelce Opolskie Strzelec"]
[BlackTeam "Lublin LKSz"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 e5 7. 0-0 Qe7 8. a3 Nf6 9. Nbd2 0-0 10. Nc4 Nh5 11. b4 Rd8 12. Bg5 f6 13. Be3 cxb4 14. axb4 Be6 15. Qb1 b6 16. Ra3 Bf8 17. Qa1 Qb7 18. Rb1 Bxc4 19. dxc4 a5 20. c3 axb4 21. cxb4 Rxa3 22. Qxa3 c5 23. bxc5 Qxe4 24. Rxb6 Qxc4 25. Rb1 Ng7 26. Rc1 Qd5 27. Qa6 Ne6 28. c6 Rd6 29. Qa4 Rd8 30. c7 Rc8 31. Rd1 Qb7 32. Qc4 Kf7 33. Rd7+ Be7 34. Nxe5+ fxe5 35. Qh4 Re8 36. Qxh7+ Ng7 37. Bh6 Ke6 38. Rd1 Bf6 39. Bxg7 Re7 40. Qg8+ 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "4"]
[White "Backiel, Hubert"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2217"]
[BlackElo "2324"]
[PlyCount "273"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 e6 7. Nc3 Nxc3 8. bxc3 Nc6 9. exd6 Bxd6 10. Bd3 h6 11. 0-0 0-0 12. Bc2 Bd7 13. Re1 Qa5 14. Qd3 f5 15. Bb3 Rf6 16. Bd2 Qc7 17. Re2 Na5 18. Rae1 Nxb3 19. axb3 Re8 20. Ne5 Bc8 21. c4 b6 22. Bc3 Bb7 23. h3 Be4 24. Qd2 Bxe5 25. dxe5 Rff8 26. f3 Bb7 27. Qd6 Qc8 28. Qa3 Rf7 29. Rd2 Rd8 30. Red1 Rxd2 31. Rxd2 Kh7 32. Qd6 Qe8 33. Qd8 Qc6 34. Qd6 Qc8 35. Qd8 Qc6 36. Qd6 Qc8 37. Qd8 Qc5+ 38. Qd4 Qa3 39. b4 Qb3 40. Kh2 Bc6 41. Rb2 Qa3 42. b5 Rd7 43. Qe3 Bb7 44. Qc1 Qc5 45. Be1 Qxe5+ 46. Bg3 Qd4 47. Rc2 a5 48. bxa6 Bxa6 49. c5 bxc5 50. Rxc5 Bd3 51. Rc7 Rxc7 52. Qxc7 Qc4 53. Be5 Qxc7 54. Bxc7 g5 55. f4 Kg6 56. Kg3 Be4 57. Kf2 Bd5 58. g3 Kf6 59. Be5+ Kg6 60. h4 gxh4 61. gxh4 Kf7 62. Kg3 Bc4 63. Bd6 Ke8 64. Bc7 Kd7 65. Bb8 Kc6 66. Be5 Kd5 67. Bg7 h5 68. Bh8 Ke4 69. Ba1 Ke3 70. Bb2 Ke4 71. Bc3 Kd3 72. Bb2 Ke4 73. Bf6 Kd5 74. Bg7 Kd6 75. Bh8 Kd7 76. Be5 Ke8 77. Bd4 Kd7 78. Bc3 Kc6 79. Bb2 Kd5 80. Ba1 Ke4 81. Bb2 Ke3 82. Bc3 Ke2 83. Be5 Kd3 84. Bf6 Ke3 85. Bg7 Ke4 86. Bh8 Ke3 87. Bg7 Ke4 88. Bf6 Ke3 89. Be5 Ke4 90. Bf6 Ke3 91. Ba1 Ke4 92. Bb2 Ke3 93. Bc3 Ke4 94. Ba1 Ke3 95. Bb2 Ke4 96. Bh8 Ke3 97. Bg7 Ke4 98. Bf6 Ke3 99. Bc3 Ke4 100. Bh8 Ke3 101. Bg7 Ke4 102. Bf6 Ke3 103. Be5 Ke4 104. Ba1 Ke3 105. Bb2 Ke4 106. Bc3 Ke3 107. Bh8 Ke4 108. Bg7 Ke3 109. Bh8 Ke4 110. Bg7 Ke3 111. Bf6 Ke4 112. Be5 Ke3 113. Bc3 Ke4 114. Bb2 Ke3 115. Ba1 Ke4 116. Bh8 Ke3 117. Bg7 Ke4 118. Bf6 Ke3 119. Bh8 Ke4 120. Ba1 Ke3 121. Bb2 Ke4 122. Bc3 Ke3 123. Be5 Bb5 124. Bf6 Ke4 125. Bg7 Ke3 126. Bh8 Ke4 127. Bg7 Ke3 128. Bf6 Ke4 129. Ba1 Ke3 130. Bb2 Ke4 131. Bc3 Ba6 132. Bh8 Ke3 133. Bg7 Ke4 134. Bf6 Ke3 135. Ba1 Ke4 136. Bb2 Ke3 137. Bc3 1/2-1/2

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Kossowski, Pawel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2324"]
[BlackElo "1733"]
[PlyCount "33"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. dxc5 Bxc5 7. c4 0-0 8. Nc3 dxc4 9. Qa4 Qe7 10. Qxc4 a6 11. Bg5 b5 12. Qh4 Bb7 13. Ne4 h6 14. Nxf6+ gxf6 15. Bxf6 Qd6 16. Qg4+ Kh7 17. Qg7# 1-0

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "8"]
[White "Karolczuk, Iwo"]
[Black "Turski, Bartlomiej"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2324"]
[BlackElo "2324"]
[PlyCount "150"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bf4 d6 5. e3 0-0 6. h3 c5 7. dxc5 dxc5 8. Nbd2 Nc6 9. Qc2 h6 10. Be2 Be6 11. 0-0 a6 12. a4 b6 13. Rfd1 Qc8 14. Nc4 Qb7 15. e4 b5 16. axb5 axb5 17. Ne3 Rxa1 18. Rxa1 Rd8 19. Rd1 Rxd1+ 20. Bxd1 b4 21. cxb4 Nxb4 22. Qxc5 Nxe4 23. Qa5 Kh7 24. Qa3 Nd5 25. Nxd5 Bxd5 26. b4 Nc3 27. Qc1 Bxf3 28. gxf3 Nxd1 29. Qxd1 Qxb4 30. Be3 Qd6 31. Qa4 Qe6 32. Kg2 Be5 33. Qe8 Bf6 34. Qf8 Bg7 35. Qe8 Qf6 36. Qd7 h5 37. Qd5 Qe6 38. Qd8 Qd6 39. Qe8 Qe6 40. Qd8 Qf6 41. Qd7 e6 42. Qe8 Qf5 43. Qe7 e5 44. Qe8 Qe6 45. Qa8 Bf6 46. Qb7 Bg7 47. Qa8 Qf5 48. Qd5 Qe6 49. Qb7 Bf6 50. Qe4 Kg7 51. Qb7 Be7 52. Qe4 Bf6 53. Qb7 Kh7 54. Qe4 Bg7 55. Qb7 Bf6 56. Qe4 Qe7 57. Qd5 Bg7 58. Qe4 f5 59. Qd5 e4 60. Kg1 exf3 61. Qxf3 Bh6 62. Bxh6 Kxh6 63. Qd3 Kh7 64. Qd5 Qe1+ 65. Kg2 Qe4+ 66. Qxe4 fxe4 67. Kg3 g5 68. h4 gxh4+ 69. Kxh4 Kg6 70. Kg3 Kf5 71. f3 e3 72. f4 h4+ 73. Kf3 h3 74. Kg3 e2 75. Kf2 h2 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "7"]
[White "Ochedzan, Tymon"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2208"]
[BlackElo "2324"]
[PlyCount "86"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. a3 Qa5 10. dxc5 Bxc5 11. Bxc5 Nxc5 12. Nd4 Qb6 13. Nxc6 Qxc6 14. Qd4 0-0 15. Be2 Ne4 16. Nxe4 dxe4 17. c4 bxc4 18. Rc1 Bb7 19. Rxc4 Qe8 20. 0-0 Bd5 21. Rc7 g6 22. Rfc1 a5 23. Qc5 Qb8 24. b4 axb4 25. axb4 Ra2 26. Bf1 Rb2 27. b5 h5 28. f5 gxf5 29. Qe3 Qd8 30. Qh6 e3 31. Qxe3 Qh4 32. R7c2 Rb3 33. Rc3 Rb2 34. Qg3+ Qxg3 35. Rxg3+ Kh7 36. Rc7 f4 37. Rd3 Kg6 38. Rd4 Kf5 39. Bd3+ Kxe5 40. Ra4 Rxg2+ 41. Kf1 Rfg8 42. Rxf7 Rg1+ 43. Ke2 R8g2# 0-1

[Event "POL-ch Blitz U18"]
[Site "Bydgoszcz"]
[Date "2023.08.31"]
[Round "2"]
[White "Taranowicz, Michal"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2144"]
[BlackElo "2324"]
[PlyCount "91"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 e6 3. Nf3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 c4 7. d4 cxd3 8. Ned4 Nc6 9. Bf4 Qb6 10. Bxd3 Qxb2 11. Nb5 a6 12. Rb1 Qxb1 13. Qxb1 axb5 14. Bxb5 Bc5 15. 0-0 h6 16. c4 dxc4 17. Qe4 0-0 18. Bxc4 Ra4 19. Qc2 Ra3 20. Bb3 b6 21. Rd1 Na5 22. Bc1 Nxb3 23. Bxa3 Bxa3 24. Qxb3 Bc5 25. h3 Nb8 26. Qa4 Bb7 27. Rd3 Bc6 28. Qf4 Bd5 29. a3 Nc6 30. Nd2 Ra8 31. a4 Ne7 32. Rg3 Ng6 33. Qg4 Bf8 34. h4 Nxe5 35. Qd4 Nc6 36. Qxb6 Rxa4 37. Nf3 Ra1+ 38. Kh2 Bd6 39. Nd4 Bxg3+ 40. fxg3 Nxd4 41. Qxd4 Ra2 42. Kh3 Bxg2+ 43. Kh2 Bf3+ 44. Kg1 Bg4 45. Qa7 g5 46. hxg5 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "11"]
[White "Karolczuk, Iwo"]
[Black "Kacprzak, Karol1111"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2257"]
[BlackElo "2274"]
[PlyCount "94"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. c3 Ngf6 8. 0-0 Bd6 9. Qb3 0-0 10. Qxb7 Bxf3 11. Rxf3 exd4 12. cxd4 Nxe4 13. Nc3 Nef6 14. Qxc6 Nb6 15. Bb3 Rc8 16. Qb5 Bb8 17. d5 Ng4 18. Bf4 Bxf4 19. Rxf4 Qg5 20. g3 Nf6 21. d6 Rc5 22. Qd3 Nbd7 23. Raf1 Re5 24. Bc2 Rfe8 25. Qd4 a5 26. Ba4 Rd8 27. Kg2 Re6 28. Rf5 Qh6 29. Bb3 Ree8 30. Rxa5 Nf8 31. Raf5 Ne6 32. Qd1 Ng5 33. h4 Nge4 34. Nxe4 Rxe4 35. R5f3 Qh5 36. Qd3 Qe5 37. Rf5 Qxb2+ 38. R1f2 Qd4 39. Qxd4 Rxd4 40. a4 R8xd6 41. a5 h5 42. Rb5 Ra6 43. Rc2 Rd7 44. Rcc5 Rda7 45. Bc4 Ra8 46. Bd3 g6 47. Bc4 Ne4 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "8"]
[White "Karolczuk, Iwo"]
[Black "Kaliszuk, Kamil"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2257"]
[BlackElo "2044"]
[PlyCount "103"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. a3 Qa5 10. Be2 b4 11. Nd1 bxa3 12. Qxa5 Nxa5 13. bxa3 cxd4 14. Nxd4 Bc5 15. Kd2 Nb6 16. Nb2 Bd7 17. Nb3 Bxe3+ 18. Kxe3 Nb7 19. Rhc1 Ke7 20. c4 Rhc8 21. c5 Na4 22. c6 Bxc6 23. Rxc6 Nxb2 24. Rb6 Rc7 25. Bxa6 Ra7 26. Nd4 Na4 27. Rc6 Na5 28. Rxc7+ Rxc7 29. Bb5 Nc3 30. a4 Nxb5 31. axb5 Nc4+ 32. Kd3 Nb2+ 33. Ke2 Rb7 34. Ra8 f6 35. Ra6 fxe5 36. Rxe6+ Kf7 37. Rxe5 Rd7 38. Re6 Na4 39. Rc6 Rb7 40. Kf3 g6 41. g4 Nb6 42. f5 gxf5 43. Nxf5 Rb8 44. Kf4 Nc4 45. Rc5 Na3 46. Rc7+ Kg8 47. Ne7+ Kh8 48. b6 Rxb6 49. Nxd5 Ra6 50. g5 h6 51. Nf6 hxg5+ 52. Kxg5 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "10"]
[White "Klimkowski, Jan"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2347"]
[BlackElo "2257"]
[PlyCount "125"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Bc5 7. Nb3 Be7 8. e4 0-0 9. Be2 b6 10. 0-0 Bb7 11. f4 d6 12. Be3 Rc8 13. Rc1 Qc7 14. Nd2 Qb8 15. b4 Rfd8 16. Qb3 Qa8 17. Bf3 Bf8 18. Rfd1 Ne7 19. Bf2 d5 20. cxd5 exd5 21. e5 Ne4 22. Ndxe4 dxe4 23. Bg4 Rxd1+ 24. Rxd1 Rd8 25. Rxd8 Qxd8 26. Qd1 Qxd1+ 27. Bxd1 Nd5 28. Nxd5 Bxd5 29. Bd4 Be7 30. Kf2 f5 31. exf6 Bxf6 32. Ke3 Kf7 33. g4 Ke6 34. Bc2 Bxd4+ 35. Kxd4 e3 36. Kxe3 h6 37. h4 a5 38. bxa5 bxa5 39. Bh7 Kd6 40. Kd4 Bf3 41. Bf5 Be2 42. g5 hxg5 43. fxg5 Bh5 44. Bc2 Be8 45. Bd1 Bf7 46. Bf3 Be6 47. h5 Ke7 48. Bd1 Bf7 49. Kc5 Be8 50. Kb6 a4 51. Kc5 Ke6 52. h6 gxh6 53. gxh6 Kf6 54. Bc2 Bd7 55. Kb4 Bc6 56. Bxa4 Be4 57. Be8 Kg5 58. a4 Kxh6 59. a5 Bb7 60. Kc5 Kg7 61. Bc6 Ba6 62. Kb6 Bc8 63. Bb7 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "9"]
[White "Taranowicz, Michal"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2139"]
[BlackElo "2257"]
[PlyCount "90"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Be7 6. Ne2 0-0 7. Nbc3 c5 8. Be3 Qc7 9. Qd2 Rd8 10. d5 Nc6 11. 0-0-0 exd5 12. Bxd5 Nb4 13. Bf4 Qb6 14. Qe3 Nfxd5 15. Nxd5 Nxd5 16. Rxd5 Rxd5 17. Qxe7 Qd8 18. Qe3 Be6 19. Nc3 Rd7 20. h4 Qa5 21. Kb1 Rc8 22. h5 h6 23. a3 b5 24. Ne4 Rcd8 25. Kc1 Bf5 26. Nxc5 Rd2 27. Ne4 Qa4 28. Qc3 R2d4 29. Nc5 Qxc2+ 30. Qxc2 Bxc2 31. Kxc2 Rxf4 32. Nd3 Rc4+ 33. Kd2 Rcd4 34. Rh3 a5 35. Kc3 f6 36. Re3 Rc4+ 37. Kd2 Rh4 38. Kc3 Rxh5 39. Re7 Rhd5 40. Nf4 R5d7 41. Re2 Rc8+ 42. Kb3 a4+ 43. Ka2 Rd1 44. b3 Rcd8 45. bxa4 bxa4 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.30"]
[Round "7"]
[White "Turski, Bartlomiej"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2247"]
[BlackElo "2257"]
[PlyCount "39"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. Qd2 b6 9. Nxf6+ Qxf6 10. Bd3 Bb7 11. Ng5 g6 12. 0-0-0 Nd7 13. Be4 Bxe4 14. Nxe4 Qf5 15. Qe3 Nf6 16. Nxf6+ Qxf6 17. h4 Rad8 18. h5 Rd5 19. hxg6 hxg6 20. c3 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "5"]
[White "Babiarz, Arkadiusz"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1909"]
[BlackElo "2257"]
[PlyCount "142"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nc6 5. Bd3 d5 6. e5 Nd7 7. Bb5 Qb6 8. Ba4 Qa6 9. d4 e6 10. Bc2 cxd4 11. cxd4 Nb4 12. Nc3 Nxc2+ 13. Qxc2 Bb4 14. a3 0-0 15. Qe2 Bxc3+ 16. bxc3 Qxe2+ 17. Kxe2 Nb6 18. a4 Bd7 19. a5 Na4 20. Bd2 Rfc8 21. Rhc1 Rc7 22. Ra3 Bb5+ 23. Kd1 Nb2+ 24. Kc2 Nc4 25. Raa1 Rac8 26. Be1 b6 27. Rcb1 a6 28. axb6 Nxb6 29. Rb4 f6 30. Bd2 Nc4 31. Be1 Kf8 32. Nd2 Nb6 33. Nb3 Nd7 34. f4 Bf1 35. g3 fxe5 36. dxe5 g5 37. Nd4 Nc5 38. h4 gxh4 39. gxh4 Kf7 40. Rb6 Rg8 41. Rd1 Bg2 42. Rc6 Be4+ 43. Kd2 Rxc6 44. Nxc6 Rg2+ 45. Ke3 Rh2 46. Nd4 a5 47. Nb5 Nb3 48. c4 Bc2 49. Bg3 Rg2 50. Kf3 Rxg3+ 51. Kxg3 Bxd1 52. cxd5 exd5 53. f5 Nc5 54. Nc7 a4 55. e6+ Kf6 56. Kf4 Nd3+ 57. Ke3 Nb4 58. Nb5 Nc6 59. Kf4 Bh5 60. Nc3 Ne7 61. Nxa4 Nxf5 62. Nc3 Ne7 63. Nb5 Kxe6 64. Kg5 Bg6 65. h5 Be4 66. Kh6 Nf5+ 67. Kg5 Ke5 68. h6 d4 69. Na3 Bd3 70. Kg4 Nd6 71. Kg5 Nb5 0-1

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Grzesik, Gracjan"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2257"]
[BlackElo "2180"]
[PlyCount "93"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 dxe5 10. fxe5 Nxb3 11. axb3 Nd5 12. 0-0 Nxc3 13. bxc3 Qc7 14. Qf3 Bc5 15. Qg3 0-0 16. Bh6 f5 17. Kh1 Kh8 18. Be3 Bxd4 19. cxd4 b5 20. Rac1 b4 21. Bd2 a5 22. c4 bxc3 23. Rxc3 Qd7 24. Qh4 Bb7 25. Rh3 g6 26. Bh6 Rfc8 27. Bg5 Qf7 28. Bf6+ Kg8 29. Rg3 Bd5 30. Qh6 Rc2 31. h4 Rac8 32. h5 Rxg2 33. Rxg2 Rc2 34. Rfg1 Qb7 35. Qg5 Qxb3 36. Kh2 Bxg2 37. Rxg2 Rxg2+ 38. Qxg2 Kf7 39. Qc6 Qb2+ 40. Kg3 Qa3+ 41. Kh4 g5+ 42. Bxg5 Qf8 43. Qd7+ Kg8 44. Qxe6+ Qf7 45. Qxf7+ Kxf7 46. d5 a4 47. Bc1 1-0

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "2"]
[White "Karolczuk, Iwo"]
[Black "Jedraszek, Pawel"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2257"]
[BlackElo "1850"]
[PlyCount "136"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 Bb4 6. Qd2 d6 7. Nge2 Nc6 8. a3 Ba5 9. f4 g5 10. e5 Qg6 11. b4 Bb6 12. exd6 cxd6 13. Nb5 d5 14. Nd6+ Ke7 15. Nb5 a6 16. Nbc3 Bd7 17. g3 Rac8 18. Rd1 Na7 19. Bg2 Kd8 20. a4 Rc4 21. a5 Bc7 22. 0-0 gxf4 23. Nxf4 Qg5 24. Nce2 Kc8 25. c3 Nb5 26. Rf3 Kb8 27. Rdf1 f5 28. Re3 Nd6 29. Nc1 Rc6 30. Qe1 Ne4 31. Nb3 Re8 32. Nc5 Bc8 33. Qe2 Bxf4 34. Rxf4 e5 35. dxe5 Rxe5 36. Bxe4 dxe4 37. Qd2 Qe7 38. Re2 Rexc5 39. bxc5 Qxc5+ 40. Qd4 Qxa5 41. Re3 Be6 42. Rf1 Bc4 43. Rf2 Bd3 44. g4 fxg4 45. Rg3 h5 46. h3 Rxc3 47. hxg4 hxg4 48. Rf8+ Rc8 49. Rxc8+ Kxc8 50. Rxg4 Qe1+ 51. Kh2 Qd2+ 52. Kg3 Qe1+ 53. Kf4 Qc1+ 54. Kf5 Qc4 55. Qd6 Qf7+ 56. Ke5 Bc4 57. Rxe4 b5 58. Rf4 Qg7+ 59. Ke4 Qg2+ 60. Ke5 Qg7+ 61. Kf5 Qd7+ 62. Ke5 Qxd6+ 63. Kxd6 a5 64. Kc6 Kd8 65. Kd6 Ke8 66. Re4+ Kf7 67. Kc5 a4 68. Kb4 Kf6 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "4"]
[White "Karolczuk, Iwo"]
[Black "Madajczak, Piotr"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2257"]
[BlackElo "1944"]
[PlyCount "84"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 h6 12. Bxf6 Nxf6 13. Rfe1 Bxf3 14. Bxf3 c6 15. a5 Rc8 16. Red1 Qc7 17. Kg2 Rfd8 18. Qb3 Qb8 19. e3 g6 20. h4 h5 21. Na4 Nd7 22. Be4 Kg7 23. Bf3 Bf6 24. Nc3 Be7 25. e4 Qa7 26. d5 Nc5 27. Qc2 cxd5 28. exd5 Bf6 29. Na4 Nxa4 30. Qxa4 exd5 31. Rxd5 Rxd5 32. Bxd5 Rc7 33. Qb3 Re7 34. Bf3 Rd7 35. Qc2 Qb8 36. Re1 Qc7 37. Qa4 Rd2 38. Re8 Qc5 39. Re2 Rxe2 40. Bxe2 Bxb2 41. Bf3 Bc3 42. Bxb7 Qxa5 1/2-1/2

[Event "POL-ch Rapid U18"]
[Site "Bydgoszcz"]
[Date "2023.08.29"]
[Round "1"]
[White "Woznicki, Tomasz"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1601"]
[BlackElo "2257"]
[PlyCount "46"]
[EventDate "2023.08.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 Bg4 8. d4 cxd4 9. cxd4 e6 10. Nc3 Be7 11. h3 Bh5 12. Bf4 0-0 13. Qe2 d5 14. e5 Nd7 15. g4 Bg6 16. Bg3 Rc8 17. h4 h6 18. h5 Bh7 19. Kh2 b5 20. a3 Qc7 21. Nxd5 exd5 22. e6 Bd6 23. Bxd6 Qxd6+ 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.27"]
[Round "9"]
[White "Karolczuk, Iwo"]
[Black "Razin, Vadim"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2324"]
[BlackElo "2378"]
[PlyCount "173"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Nxc5 10. 0-0-0 a6 11. Kb1 Qc7 12. h4 b6 13. Qe1 f6 14. Qg3 fxe5 15. fxe5 Ne4 16. Nxe4 dxe4 17. Ng5 Qxe5 18. Qxe5 Nxe5 19. Bxb6 Bb7 20. Be2 Bd5 21. Bd4 h6 22. Bxe5 hxg5 23. c4 Rf2 24. cxd5 Rxe2 25. d6 Bf6 26. Bxf6 gxf6 27. hxg5 fxg5 28. Rh6 Rb8 29. b3 Kf7 30. Rf1+ Kg7 31. Rxe6 Rxg2 32. Rd1 Rd8 33. d7 Kf7 34. Rxe4 Rf2 35. Rd5 Kf8 36. Re6 g4 37. Rg6 Rf4 38. Rxa6 Kf7 39. Rad6 Rf2 40. Rg5 Ke7 41. Rd4 Rh8 42. d8Q+ Rxd8 43. Rxd8 Kxd8 44. Rxg4 Kc7 45. Rc4+ Kb6 46. Rc2 Rf3 47. Kb2 Kb5 48. Rh2 Rf5 49. a4+ Kb4 50. Rh4+ Ka5 51. Ka3 Rf6 52. b4+ Kb6 53. a5+ Kb5 54. Rh5+ Ka6 55. Ka4 Rf4 56. Rh6+ Kb7 57. a6+ Ka7 58. Ka5 Rf1 59. Rh7+ Ka8 60. b5 Rf5 61. Rc7 Kb8 62. Rc4 Ka7 63. Kb4 Rf7 64. Ka5 Rf5 65. Rd4 Rh5 66. Rd7+ Kb8 67. Kb6 Rh6+ 68. Kc5 Rh1 69. Kc6 Rc1+ 70. Kb6 Rc8 71. Rb7+ Ka8 72. Rc7 Rh8 73. Rc5 Kb8 74. Ka5 Rh1 75. Kb6 Rh6+ 76. Rc6 Rh8 77. Rd6 Rc8 78. Rd5 Ka8 79. Ka5 Rh8 80. b6 Rg8 81. Rc5 Rh8 82. b7+ Ka7 83. Rc8 Rh5+ 84. Kb4 Rb5+ 85. Kc4 Kxa6 86. b8Q Rb4+ 87. Qxb4 1-0

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.26"]
[Round "8"]
[White "Golenia, Wojciech"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2227"]
[BlackElo "2324"]
[PlyCount "106"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. d3 e5 8. 0-0 Be7 9. Be3 0-0 10. Nd2 f6 11. Bxc6 bxc6 12. Qa4 Rb8 13. Rab1 Nd5 14. Qxc6 Bb7 15. Qa4 f5 16. Qxa7 Nf4 17. gxf4 Rf6 18. Nf3 Ra6 19. Qxa6 Bxa6 20. Nxe5 Rb6 21. f3 Rh6 22. Na4 g5 23. fxg5 Bxg5 24. f4 Re6 25. Rf3 Rxe5 26. Bf2 Rxe2 27. Nxc5 Qd5 28. Rg3 Rxf2 29. Ne4 Kf8 30. Nxg5 Rxf4 31. Nxh7+ Kf7 32. Ng5+ Kg8 33. Re1 Rg4 34. Ne4 Rxg3+ 35. Nxg3 Bb7 36. Re8+ Kf7 37. Re2 Qxd3 38. Rf2 Qd1+ 39. Rf1 Qd4+ 40. Rf2 f4 41. h3 Kg8 42. Nf1 Kh7 43. b3 Kh6 44. Nd2 Kh5 45. Kf1 Qd3+ 46. Ke1 Qe3+ 47. Kf1 Qxh3+ 48. Ke2 Qe3+ 49. Kf1 Ba6+ 50. Nc4 Bxc4+ 51. bxc4 f3 52. Rh2+ Kg4 53. Rh8 Qe2+ 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.25"]
[Round "7"]
[White "Jedraszek, Pawel"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2059"]
[BlackElo "2324"]
[PlyCount "140"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 e5 8. a3 0-0 9. b4 d5 10. bxc5 dxe4 11. dxe4 Qa5 12. Be3 Rd8 13. Nbd2 Nd4 14. Nxd4 exd4 15. Nb3 Qa4 16. Bg5 f6 17. Bf4 Nc6 18. Bc7 Re8 19. f4 Be6 20. Bf1 Bf7 21. Qd3 a6 22. Red1 Bf8 23. Bb6 g5 24. Nxd4 Rad8 25. c3 Rd7 26. Bh3 Be6 27. Bxe6+ Rxe6 28. fxg5 fxg5 29. Qe3 Re5 30. Rd2 Rf7 31. Re1 Qxa3 32. Rf2 Rxf2 33. Qxf2 Qxc3 34. Nxc6 bxc6 35. Qa2+ Kg7 36. Rf1 Qd4+ 37. Rf2 Be7 38. Qxa6 Rxe4 39. Qf1 Re3 40. Qb1 Bxc5 41. Bxc5 Qxc5 42. Qb2+ Re5 43. h3 Kg6 44. Kh2 Rf5 45. Rc2 Qd6 46. Qh8 Rf6 47. Qe8+ Kh6 48. Qe3 Qe6 49. Qxe6 Rxe6 50. Rc5 Kg6 51. g4 h6 52. Kg3 Kf6 53. h4 gxh4+ 54. Kxh4 Ke7 55. Kh5 Kd6 56. Ra5 c5 57. g5 hxg5 58. Kxg5 Kd5 59. Kf4 Kd4 60. Kf3 c4 61. Ra8 Kd3 62. Rd8+ Kc2 63. Kf2 c3 64. Rb8 Kd2 65. Rd8+ Kc1 66. Rb8 c2 67. Kf3 Re5 68. Kf4 Re2 69. Kf3 Kd1 70. Rc8 Rd2 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.24"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Campos, Maria Jose"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2324"]
[BlackElo "2212"]
[PlyCount "34"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 Bb4 6. Qd2 Nc6 7. Nge2 a6 8. f4 g5 9. g3 d6 10. 0-0-0 Bd7 11. Bg2 Qg7 12. Rhf1 gxf4 13. Nxf4 0-0-0 14. a3 Ba5 15. Nfe2 h5 16. Qf4 Rdf8 17. Qf6 Qxf6 1/2-1/2

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.23"]
[Round "5"]
[White "Karolczuk, Iwo"]
[Black "Walkusz, Witoslaw"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2324"]
[BlackElo "2023"]
[PlyCount "71"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. d4 Nbd7 4. Bg2 e5 5. 0-0 Be7 6. c4 0-0 7. Nc3 a5 8. b3 c6 9. Qc2 Re8 10. Bb2 Bf8 11. e4 Qc7 12. Na4 exd4 13. Nxd4 Nb6 14. Nxb6 Qxb6 15. Rad1 a4 16. h3 axb3 17. axb3 Nd7 18. Bc3 Nc5 19. f4 Ra3 20. Qb2 Ra6 21. Rfe1 Qa7 22. Re2 Bd7 23. Kh1 b5 24. cxb5 cxb5 25. Be1 Qa8 26. Qb1 Qc8 27. b4 Na4 28. Rc1 Qb7 29. Qd3 Rc8 30. e5 d5 31. Rxc8 Qxc8 32. f5 Nc3 33. Qxc3 Bxf5 34. Qxc8 Bxc8 35. Bxd5 Bxh3 36. e6 1-0

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.22"]
[Round "4"]
[White "Kondys, Piotr"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2044"]
[BlackElo "2324"]
[PlyCount "200"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. dxc5 Bxc5 5. Bd3 Nf6 6. Qe2 Nc6 7. Ngf3 0-0 8. e5 Ng4 9. 0-0 f6 10. exf6 Nxf6 11. c4 Qe8 12. cxd5 exd5 13. Qxe8 Rxe8 14. Nb3 Bb6 15. Bg5 Bg4 16. Nbd2 Ne4 17. Rae1 Nxg5 18. Rxe8+ Rxe8 19. Nxg5 h6 20. Ngf3 Nd4 21. Re1 Rxe1+ 22. Nxe1 Ne2+ 23. Kf1 Nf4 24. Bc2 Be2+ 25. Kg1 Kf7 26. a4 Bd4 27. b3 Bc3 28. Nef3 g5 29. Nb1 Bb2 30. Nfd2 Bd4 31. Nf3 Nh3+ 32. gxh3 Bxf3 33. Nd2 Be2 34. Nf1 Be5 35. Ng3 Bxg3 36. fxg3 Kf6 37. Kf2 Bh5 38. Ke3 Ke5 39. b4 d4+ 40. Kd2 Bf3 41. a5 Bg2 42. h4 gxh4 43. gxh4 Kf4 44. Bg6 Be4 45. Bh5 Bf5 46. Be2 Bg6 47. h5 Bf5 48. Bd1 Bh7 49. Be2 Be4 50. Bd1 Kg5 51. Be2 Kf5 52. Bc4 Ke5 53. Bf7 Kf4 54. Bg6 Bg2 55. Kd3 Ke5 56. Bf7 Be4+ 57. Kd2 Bd5 58. Bg6 Bc4 59. Bh7 Kd6 60. Be4 Ba6 61. Bg6 Bb5 62. Be4 Bc6 63. Kd3 Ke5 64. Bg6 Bf3 65. Bf7 Bg2 66. Bg6 Bf1+ 67. Kd2 Kf4 68. Bf7 Kg4 69. Bg6 Kf4 70. Bf7 Kg4 71. Bg6 Kf4 72. Bf7 b6 73. axb6 axb6 74. Bg6 Ke5 75. Bf7 Ke4 76. Bg6+ Kd5 77. Bf7+ Kc6 78. Be8+ Kd6 79. Bg6 Ke6 80. Be8 Kf6 81. Bg6 Ke5 82. Be8 Kf5 83. Bg6+ Kf4 84. Bh7 Bc4 85. Bg6 Bb5 86. Bh7 Kf3 87. Bd3 Bc6 88. Bg6 Be4 89. Be8 Kf4 90. Bg6 Bg2 91. Kd3 Ke5 92. Bf7 Bf1+ 93. Kd2 d3 94. Ke3 d2 95. Kxd2 Kd4 96. Kc2 Bc4 97. Bg6 Bd5 98. Kb2 Kc4 99. Ka3 Kc3 100. Be8 Bb3 1/2-1/2

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.21"]
[Round "3"]
[White "Karolczuk, Iwo"]
[Black "Majek, Kacper"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2324"]
[BlackElo "2072"]
[PlyCount "64"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e4 Be7 8. Bb5+ Nc6 9. Bxf6 Bxf6 10. e5 Be7 11. Bxc6+ bxc6 12. 0-0 cxd4 13. Nxd4 Qd7 14. f4 g6 15. Rc1 c5 16. Nxe6 fxe6 17. f5 gxf5 18. Qh5+ Kd8 19. Rfd1 Rb8 20. Qf3 d4 21. b3 Bg5 22. Rc2 Rc8 23. Na4 c4 24. Nb2 Be3+ 25. Kh1 Qd5 26. Qe2 cxb3 27. Rxc8+ Kxc8 28. Nc4 f4 29. axb3 Rg8 30. b4 Kb8 31. b5 d3 32. Qa2 f3 0-1

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.20"]
[Round "2"]
[White "Zysko, Jan"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2152"]
[BlackElo "2324"]
[PlyCount "87"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Re1 Be6 10. Bf3 Nbd7 11. a4 Nb6 12. Nd2 Rc8 13. Nf1 Qd7 14. Ne3 Rxc3 15. bxc3 Nxa4 16. c4 Rc8 17. Nd5 Bxd5 18. cxd5 b5 19. g4 Rc4 20. g5 Rd4 21. Qe2 Nc3 22. Qf1 Nfxe4 23. Rxa6 g6 24. Ra8+ Kg7 25. Qg2 Qf5 26. h4 Nd2 27. Bxd2 Rxd2 28. Ra7 Bd8 29. Bg4 Qxf2+ 30. Qxf2 Rxf2 31. Kxf2 Bb6+ 32. Kg2 Bxa7 33. Bd7 Nxd5 34. Bxb5 Ne3+ 35. Kh3 Nxc2 36. Rc1 Nd4 37. Bc4 Bc5 38. Rb1 Ne6 39. Bxe6 fxe6 40. Rb7+ Kf8 41. Rb8+ Kf7 42. Rb7+ Kf8 43. Rb8+ Kf7 44. Rb7+ 1/2-1/2

[Event "Polanica Zdroj op 59th"]
[Site "Polanica Zdroj"]
[Date "2023.08.19"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Krawczyk, Wojciech"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2324"]
[BlackElo "2034"]
[PlyCount "77"]
[EventDate "2023.08.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Qb6 5. a3 dxe4 6. fxe4 e5 7. Be3 Nf6 8. Nf3 Bd6 9. Bg1 Qa5 10. Qd2 Bg4 11. dxe5 Bxe5 12. Nxe5 Qxe5 13. Bd4 Qe6 14. Bd3 Nbd7 15. 0-0 Qd6 16. Qe3 Ne5 17. Bxa7 Nfd7 18. Bd4 Be6 19. h3 g5 20. Rad1 g4 21. h4 g3 22. Be2 Rg8 23. Bh5 Qe7 24. Bxe5 Nxe5 25. Qh6 Ng6 26. Bxg6 Rxg6 27. Qxh7 Qf8 28. Qh5 Bg4 29. Qe5+ Re6 30. Qxg3 Bxd1 31. Rxd1 Qc5+ 32. Kh2 Rg6 33. Qf4 Qh5 34. Kh3 Qc5 35. g3 b5 36. e5 Re6 37. Ne4 Qe7 38. Nf6+ Kf8 39. Qh6# 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.14"]
[Round "9"]
[White "Karolczuk, Iwo"]
[Black "Schippers, Maurice"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2324"]
[BlackElo "2203"]
[PlyCount "97"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Qc7 8. Be3 Nc6 9. f3 h5 10. Qd2 Be7 11. 0-0-0 Na5 12. Kb1 Bd7 13. f4 b5 14. e5 b4 15. exf6 bxc3 16. fxg7 Rg8 17. Qe2 Rxg7 18. Qxh5 Nxb3 19. axb3 cxb2 20. f5 0-0-0 21. f6 Bxf6 22. Qf3 Be5 23. Qa8+ Qb8 24. Qxa6+ Qb7 25. Qa5 Qc7 26. Qa8+ Qb8 27. Qxb8+ Kxb8 28. Nf3 Kc7 29. Nxe5 dxe5 30. g3 Rh8 31. Rd2 Bc6 32. Rf1 f5 33. Kxb2 Rd7 34. Rxd7+ Bxd7 35. h4 Rg8 36. Bg5 Kc6 37. c4 Be8 38. b4 Bh5 39. Kc3 Kb7 40. Re1 e4 41. b5 Ra8 42. c5 Be8 43. c6+ Kc7 44. Kb4 e5 45. Kc5 Ra2 46. b6+ Kb8 47. Rc1 f4 48. Bf6 Ra5+ 49. Kb4 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.13"]
[Round "8"]
[White "Chojnacki, Krzysztof"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2327"]
[BlackElo "2324"]
[PlyCount "82"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. 0-0 c5 9. d5 exd5 10. Nh4 Re8 11. cxd5 d6 12. e4 Nbd7 13. f4 Bf8 14. Re1 a6 15. a4 c4 16. Be3 Rc8 17. b4 cxb3 18. Qxb3 Nc5 19. Qb1 g6 20. Bd4 Bg7 21. Qd1 Nfd7 22. Rb1 Bxd4+ 23. Qxd4 Qf6 24. Red1 Qxd4+ 25. Rxd4 Ba8 26. Nf3 Rb8 27. Nd2 Kf8 28. Nc4 Ke7 29. e5 dxe5 30. fxe5 Kf8 31. d6 Bxg2 32. Kxg2 Nxa4 33. Nxa4 b5 34. Na3 bxa4 35. Rxa4 Rxb1 36. Nxb1 Rxe5 37. Rxa6 Rd5 38. Nc3 Rd2+ 39. Kg1 Ne5 40. h4 Nf3+ 41. Kf1 Nh2+ 1/2-1/2

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.12"]
[Round "7"]
[White "Karolczuk, Iwo"]
[Black "Karpus, Michal"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2324"]
[BlackElo "2224"]
[PlyCount "103"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 g6 4. Bg2 d5 5. Nf3 Bg7 6. 0-0 0-0 7. Nc3 Nbd7 8. Qb3 c6 9. Bf4 a5 10. Rfd1 a4 11. Qb4 Qa5 12. Qxa5 Rxa5 13. c5 Ra8 14. Bd6 Re8 15. b3 axb3 16. axb3 Rxa1 17. Rxa1 b6 18. cxb6 Nxb6 19. Ne5 Bb7 20. Ra7 Nc8 21. Rxb7 Nxd6 22. Rb6 Nf5 23. e3 Ne7 24. Na4 Rc8 25. Bf1 Ne8 26. Ba6 Bxe5 27. dxe5 Ra8 28. Bb7 Rb8 29. Nc5 Nc7 30. Nd7 Rd8 31. Bxc6 d4 32. exd4 Nxc6 33. Nf6+ Kg7 34. Rxc6 Nb5 35. Rb6 Nxd4 36. Kg2 Rc8 37. b4 Rc4 38. Rb8 Nc6 39. Rg8+ Kh6 40. f4 Ne7 41. Ng4+ Kh5 42. Nf6+ Kh6 43. Re8 Nd5 44. Nxd5 exd5 45. Re7 Kg7 46. b5 Rb4 47. Rb7 Kf8 48. Kf3 Rb3+ 49. Kg4 h6 50. Rb8+ Ke7 51. Rb7+ Kf8 52. Rb8+ 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.11"]
[Round "6"]
[White "Tomczak, Jacek"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2601"]
[BlackElo "2324"]
[PlyCount "107"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. Bc4 b6 9. Qe2 Bb7 10. 0-0-0 Nd7 11. Rhe1 Bd5 12. Kb1 Be7 13. Bxd5 exd5 14. Ng3 Bd6 15. Ne5 Re8 16. f4 Nf6 17. Nf5 Bf8 18. g4 Ne4 19. g5 Re6 20. Ng3 Nxg3 21. hxg3 f6 22. Qg4 Re8 23. gxf6 Qxf6 24. Rh1 Rad8 25. Qh5 h6 26. g4 Bd6 27. g5 Qf5 28. Qh4 Bxe5 29. dxe5 Rf8 30. gxh6 g6 31. Rhg1 Kh7 32. Rdf1 Rd7 33. Qe1 Rdf7 34. Qd1 Qe6 35. Qc1 Rf5 36. Qe3 c5 37. a3 d4 38. Qe4 Kxh6 39. Rf3 Rh5 40. Rfg3 Rg8 41. Rg5 Rxg5 42. fxg5+ Kg7 43. Rf1 Rf8 44. Rf6 Qe8 45. Qh1 Kg8 46. Qb7 Rxf6 47. gxf6 Qf7 48. Qc8+ Qf8 49. Qd7 Qf7 50. Qd8+ Qf8 51. Qd5+ Kh7 52. b3 g5 53. Qe4+ Kh6 54. e6 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.10"]
[Round "5"]
[White "Karolczuk, Iwo"]
[Black "Czernek, Tymon"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2324"]
[BlackElo "2288"]
[PlyCount "41"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e3 e5 5. d4 e4 6. d5 exf3 7. dxc6 dxc6 8. Qxd8+ Kxd8 9. gxf3 g6 10. b3 Bg7 11. Bb2 b6 12. 0-0-0+ Kc7 13. Ne4 Nh5 14. Bxg7 Nxg7 15. h4 a5 16. a4 h6 17. Bh3 Bxh3 18. Rxh3 Rad8 19. Rhh1 Rxd1+ 20. Kxd1 Rd8+ 21. Ke2 1/2-1/2

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.09"]
[Round "4"]
[White "Kaczmarek, Aleksander"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2262"]
[BlackElo "2324"]
[PlyCount "19"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Nxc5 8. Bd3 Be7 9. h4 f6 10. exf6 1/2-1/2

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.09"]
[Round "3"]
[White "Karolczuk, Iwo"]
[Black "Rozycki, Bartlomiej"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2324"]
[BlackElo "2195"]
[PlyCount "113"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. b3 Nbd7 6. Bb2 e6 7. d3 Bd6 8. Nbd2 0-0 9. e4 dxe4 10. dxe4 Ne5 11. h3 Nxf3+ 12. Nxf3 Bxf3 13. Qxf3 e5 14. Rad1 Qe7 15. Qf5 Rad8 16. f4 exf4 17. gxf4 Bc7 18. Rd3 Bb6+ 19. Kh2 Rxd3 20. cxd3 Rd8 21. Rf3 Bd4 22. Bxd4 Rxd4 23. Rg3 Nd7 24. Qa5 a6 25. Qc7 Qd6 26. Qd8+ Nf8 27. Qxd6 Rxd6 28. f5 Nd7 29. Bf1 a5 30. Kg2 a4 31. bxa4 Rd4 32. Kf3 Rxa4 33. Rg2 Ne5+ 34. Ke3 Ra3 35. Rc2 Kf8 36. Kd4 f6 37. Rb2 b5 38. Rc2 Ke7 39. Kc5 Ra6 40. d4 Nd7+ 41. Kb4 Ra4+ 42. Kb3 Kd6 43. Rd2 Kc7 44. a3 Kb6 45. Bg2 c5 46. dxc5+ Nxc5+ 47. Kb2 Nxe4 48. Rd7 Ng5 49. Rb7+ Ka6 50. Rxg7 Rf4 51. Kb3 h5 52. Rd7 Rxf5 53. Rd6+ Ka7 54. Kb4 Rf2 55. Bc6 Nxh3 56. Ka5 Ng5 57. Rd8 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.08"]
[Round "2"]
[White "Jakubowski, Krzysztof"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2473"]
[BlackElo "2324"]
[PlyCount "77"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 b5 8. a3 a5 9. h4 Qb6 10. Nf4 Ba6 11. Rh3 b4 12. Bxa6 Qxa6 13. axb4 cxb4 14. Rg3 bxc3 15. bxc3 a4 16. Nd2 Ne7 17. h5 g6 18. Qg4 g5 19. Ne2 Nf5 20. Rf3 Rg8 21. Rxf5 exf5 22. Qxf5 Rg7 23. Nf1 Qe6 24. g4 Qxf5 25. gxf5 f6 26. e6 Nb6 27. Ne3 Rc7 28. Kd1 a3 29. Kc2 Rb7 30. Ng4 Be7 31. f4 gxf4 32. Nxf4 Rc7 33. h6 Kf8 34. Ra2 Rac8 35. Rxa3 Bb4 36. Bb2 Nc4 37. Rb3 Bd6 38. Nxd5 Ra7 39. Nb6 1-0

[Event "Suwalki Warakomska Memorial 7th"]
[Site "Suwalki"]
[Date "2023.08.07"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Karut, Kacper"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2324"]
[BlackElo "2125"]
[PlyCount "79"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 Nf6 5. Nf3 e6 6. 0-0 a6 7. d3 b5 8. Bb3 Nxf3+ 9. Qxf3 Bb7 10. a4 b4 11. Ne2 Qc7 12. a5 Bd6 13. Qh3 c4 14. Bxc4 Bxe4 15. Bg5 Bf5 16. Qf3 0-0 17. Bxf6 gxf6 18. Ng3 Bg6 19. h4 Bxg3 20. fxg3 h5 21. Qxf6 Qxg3 22. Rf3 Qc7 23. Re1 Rac8 24. Re5 Qa7+ 25. Kh1 Rc5 26. d4 Rxe5 27. dxe5 Qc7 28. Bd3 Qd8 29. Qf4 Qe7 30. Qg3 Kh7 31. Rf6 Qe8 32. Qg5 Kg7 33. Kg1 Rh8 34. Qf4 Qe7 35. Qg5 Qe8 36. Bxa6 d6 37. Bd3 dxe5 38. Qxe5 Kh6 39. Bxg6 fxg6 40. Rxe6 1-0

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.02"]
[Round "9"]
[White "Karolczuk, Iwo"]
[Black "Kacprzak, Kacper"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2345"]
[BlackElo "2228"]
[PlyCount "16"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 c5 5. d5 exd5 6. Bxd5 Qd7 7. Nf3 Nf6 8. e4 Nxd5 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.07.01"]
[Round "8"]
[White "Kucza, Karol"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2345"]
[BlackElo "2345"]
[PlyCount "106"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Bf4 h6 11. Re1 g5 12. Bc1 Nbd7 13. e4 Rb8 14. a4 a6 15. a5 b5 16. axb6 Rxb6 17. Qc2 g4 18. Nh4 Ne5 19. b3 Bd7 20. Ra3 Qb8 21. Nd1 Nh7 22. f4 gxf3 23. Nxf3 Nxf3+ 24. Bxf3 Ng5 25. Bg2 Bg4 26. Rf1 Bxd1 27. Qxd1 Rb4 28. Bxg5 hxg5 29. Qh5 Qb7 30. Rxa6 Rxb3 31. Rxd6 Rb1 32. Qxg5 c4 33. Rc6 Rxf1+ 34. Bxf1 Rxe4 35. Bxc4 Qa7+ 36. Kf1 Qa1+ 37. Kg2 Rxc4 38. Rxc4 Qa2+ 39. Kf3 Qxc4 40. h4 Qf1+ 41. Kg4 Qd1+ 42. Kf4 f6 43. Qg6 Qxd5 44. g4 Qe5+ 45. Kf3 Kh8 46. Qe4 Qc3+ 47. Kf4 Qc7+ 48. Kf5 Qc8+ 49. Qe6 Qc2+ 50. Qe4 Qc8+ 51. Qe6 Qc5+ 52. Kg6 Qc2+ 53. Qf5 Qxf5+ 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.30"]
[Round "7"]
[White "Karolczuk, Iwo"]
[Black "Janeczko, Jakub"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2345"]
[BlackElo "2202"]
[PlyCount "104"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 Qc7 7. c3 Nf6 8. d4 cxd4 9. cxd4 0-0 10. Nc3 d6 11. h3 c5 12. e5 dxe5 13. dxe5 Rd8 14. Qa4 Nh5 15. Be3 Bb7 16. Qg4 Bxf3 17. Qxf3 Qxe5 18. g4 Nf6 19. Bf4 Qd4 20. Rxe7 Qd3 21. Re3 Qa6 22. Rae1 Rac8 23. Be5 Qc6 24. Qxc6 Rxc6 25. Bg3 Kf8 26. Nb5 Nd5 27. R3e2 Bf6 28. Nxa7 Rb6 29. g5 Bxg5 30. a4 Ra8 31. a5 Ra6 32. Nb5 Rxa5 33. Nd6 Ra1 34. Ne4 Be7 35. Kg2 Rxe1 36. Rxe1 f5 37. Rd1 Rd8 38. Nd2 Nf6 39. f3 c4 40. Be5 Bb4 41. Bxf6 Rxd2+ 42. Rxd2 Bxd2 43. Kf2 Kf7 44. Bh8 Ke6 45. Ke2 Bf4 46. Bc3 Be5 47. Kd2 Bxc3+ 48. Kxc3 Kd5 49. h4 Kc5 50. f4 h6 51. Kd2 Kb4 52. Kc2 h5 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.29"]
[Round "6"]
[White "Hryharovich, Aliaksei"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2153"]
[BlackElo "2345"]
[PlyCount "78"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 h6 8. g3 0-0 9. Bg2 Nd7 10. 0-0 Ne7 11. Nh4 Nb6 12. Be3 g5 13. Nf5 Nxf5 14. exf5 Bxf5 15. f4 exf4 16. gxf4 g4 17. Bxb7 Rb8 18. Bc6 Kh7 19. Re1 Qf6 20. Bd4 Qg6 21. Re3 Bd7 22. Be4 f5 23. Bd5 Nxd5 24. cxd5 c5 25. dxc6 Bxc6 26. Qe2 Rbe8 27. Re1 Rxe3 28. Qxe3 Re8 29. Qg3 a6 30. c4 Bf3 31. Qf2 g3 32. hxg3 Qh5 33. Qf1 Be2 34. Qg2 Bf3 35. Qf1 Rb8 36. Re7+ Kg8 37. Kf2 Kf8 38. Re3 Bc6 39. Bc3 Qh2+ 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.28"]
[Round "5"]
[White "Paprocki, Antoni"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2197"]
[BlackElo "2345"]
[PlyCount "60"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Bb7 7. Nc3 0-0 8. 0-0 c5 9. d5 exd5 10. Nh4 Re8 11. cxd5 d6 12. e4 Nbd7 13. f4 Bf8 14. a4 c4 15. Be3 a6 16. Bd4 Rc8 17. Qc2 Nc5 18. Rae1 Nfd7 19. Kh1 Nb3 20. Bg1 g6 21. Nf3 Bg7 22. Nd2 Nxd2 23. Qxd2 Nc5 24. Bxc5 Rxc5 25. e5 dxe5 26. f5 e4 27. f6 Bf8 28. Rxe4 Rxe4 29. Bxe4 b5 30. axb5 axb5 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.27"]
[Round "4"]
[White "Karolczuk, Iwo"]
[Black "Klimkowski, Jan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2345"]
[BlackElo "2474"]
[PlyCount "62"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 e5 7. Nb3 h5 8. Be3 Be6 9. h3 Nbd7 10. Qf3 Rc8 11. g4 hxg4 12. hxg4 Rxc3 13. bxc3 Qc7 14. Bd2 d5 15. exd5 Bxd5 16. Qe2 Nb6 17. f4 Ne4 18. Qd3 Rh2 19. Rg2 Nxd2 20. Rxd2 Rh1 21. Re2 Be7 22. 0-0-0 Bc4 23. Qe4 Bxe2 24. Bxe2 Rh2 25. Rh1 Rxh1+ 26. Qxh1 Qxc3 27. fxe5 Na4 28. Bd3 Qxe5 29. Qh8+ Kd7 30. Bf5+ Kc7 31. Qc8+ Kb6 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.26"]
[Round "3"]
[White "Karolczuk, Iwo"]
[Black "Janik, Igor"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2345"]
[BlackElo "2548"]
[PlyCount "42"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bd2 Ne7 6. a3 Bxc3 7. Bxc3 b6 8. Qd2 Ba6 9. Bxa6 Nxa6 10. 0-0-0 Nc7 11. Ne2 Nb5 12. h4 Qc7 13. Qg5 Rg8 14. Bb4 h6 15. Qf4 Rd8 16. Qxc7 Nxc7 17. a4 a5 18. Ba3 b5 19. Bc5 Nc8 20. axb5 cxb5 21. Nf4 Kd7 1/2-1/2

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.25"]
[Round "2"]
[White "Sliwerski, Radoslaw"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1984"]
[BlackElo "2345"]
[PlyCount "52"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 0-0 6. e4 Re8 7. Nge2 d6 8. Ng3 b5 9. Kf2 bxc4 10. Bxc4 Ba6 11. Bxa6 Nxa6 12. dxe6 fxe6 13. Re1 c4 14. Be3 Nc5 15. Bxc5 Bxc5+ 16. Kf1 Ng4 17. fxg4 Qh4 18. Qf3 Rf8 19. Nf5 exf5 20. gxf5 Qxh2 21. Ke2 Rab8 22. Rab1 Qe5 23. Rh1 d5 24. Qh3 h6 25. Qh2 Rxf5 26. g4 Rf2+ 0-1

[Event "Bydgoszcz op-A"]
[Site "Bydgoszcz"]
[Date "2023.06.24"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Diachek, Andriy"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2345"]
[BlackElo "2106"]
[PlyCount "93"]
[EventDate "2023.06.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Bf5 5. e3 h6 6. Bf4 e6 7. g4 Bg6 8. h5 Bh7 9. Nxe4 Bxe4 10. f3 Bh7 11. Bd3 Bxd3 12. Qxd3 c5 13. dxc5 Qa5+ 14. c3 Qxc5 15. 0-0-0 Nc6 16. Ne2 0-0-0 17. Kb1 Bd6 18. Bxd6 Rxd6 19. f4 Na5 20. Nd4 Nc4 21. Rhe1 Rb6 22. Nb3 Qb5 23. e4 Rd8 24. exd5 Rxd5 25. Qh7 Nd2+ 26. Kc2 Nxb3 27. Qg8+ Kc7 28. Qxf7+ Kc8 29. Qf8+ Kc7 30. Qxg7+ Kc8 31. Qf8+ Kc7 32. Qe7+ Kc8 33. Qf8+ Kc7 34. Qf7+ Kc8 35. Qg8+ Kc7 36. Qg7+ Kc8 37. Rxd5 Qxd5 38. Qh8+ Kc7 39. Qe5+ Qxe5 40. Rxe5 Na1+ 41. Kc1 Rd6 42. g5 hxg5 43. fxg5 Rd3 44. g6 Rg3 45. Rxe6 Kd7 46. Re1 Rg5 47. Rh1 1-0

[Event "POL-ch 80th"]
[Site "Warsaw"]
[Date "2023.04.13"]
[Round "1.2"]
[White "Karolczuk, Iwo"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2343"]
[BlackElo "2573"]
[PlyCount "64"]
[EventDate "2023.04.12"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd2 Nbd7 9. Rc1 Bd6 10. Qb3 Rb8 11. Be2 Qe7 12. g3 dxc4 13. Qxc4 e5 14. 0-0 Nb6 15. Qb3 Qd7 16. f4 exd4 17. exd4 Be7 18. Be3 Nbd5 19. Nxd5 Nxd5 20. Bf3 0-0 21. Bxd5 cxd5 22. Qd3 Rbc8 23. Rfe1 Bf6 24. Bf2 Rxc1 25. Rxc1 Re8 26. Rc2 Re4 27. Re2 Qe6 28. Rxe4 dxe4 29. Qc3 Qxa2 30. Qc8+ Kh7 31. Qh3+ Kg8 32. Qc8+ Kh7 1/2-1/2

[Event "POL-ch 80th"]
[Site "Warsaw"]
[Date "2023.04.13"]
[Round "1.1"]
[White "Teclaf, Pawel"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2573"]
[BlackElo "2343"]
[PlyCount "61"]
[EventDate "2023.04.12"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. h3 e5 2. c3 Nf6 3. d4 Nc6 4. Bg5 h6 5. Bxf6 Qxf6 6. e3 Be7 7. Nf3 0-0 8. Bc4 Qg6 9. g3 d6 10. Nbd2 exd4 11. cxd4 Nb4 12. Kf1 c5 13. Kg2 d5 14. Be2 c4 15. e4 dxe4 16. Ne5 Qb6 17. Ndxc4 Qe6 18. Ne3 Nc6 19. Bc4 Qd6 20. Qh5 Be6 21. Nf5 Bxf5 22. Nxf7 Rxf7 23. Qxf7+ Kh8 24. Qxf5 Qxd4 25. Qd5 Qxb2 26. Rab1 Qc3 27. Qxe4 Rf8 28. Bd3 g6 29. Qxg6 Rxf2+ 30. Kxf2 Qd2+ 31. Kf1 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "5"]
[White "Anton Guijarro, David"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2685"]
[BlackElo "2346"]
[PlyCount "49"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nc6 3. c4 e5 4. Nc3 d6 5. e3 Bg4 6. h3 Bh5 7. Be2 Nf6 8. 0-0 e4 9. Ng5 Bxe2 10. Qxe2 Qe7 11. f3 exf3 12. Qxf3 Qe5 13. Nge4 Nxe4 14. Nxe4 Qxa1 15. Qxf7+ Kd8 16. Qxb7 Rc8 17. Ng5 Ne7 18. Nf7+ Ke8 19. Nxd6+ Kd8 20. Nf7+ Ke8 21. Nxh8 Qe5 22. Nf7 Qe6 23. Bb2 Nc6 24. Ng5 Qg6 25. Qxc8+ 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "7"]
[White "Garv, Gaur"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1990"]
[BlackElo "2346"]
[PlyCount "62"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. 0-0 Ne7 5. d3 0-0 6. c4 Nbc6 7. Nc3 d6 8. Rb1 a5 9. a3 h6 10. b4 axb4 11. axb4 Be6 12. b5 Na5 13. Ne1 f5 14. Nc2 Qd7 15. e3 f4 16. Re1 fxg3 17. hxg3 Bh3 18. Be4 Bg4 19. Qd2 h5 20. Nd5 Nxd5 21. Bxd5+ Kh7 22. Kg2 Qf5 23. Bb2 Nb3 24. Re2 Bf3+ 25. Kh2 Nxd2 26. Rxd2 Bxd5 27. cxd5 h4 28. e4 Qh5 29. Rh1 Bh6 30. Ne3 hxg3+ 31. Kg2 Qf3+ 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "8"]
[White "Karolczuk, Iwo"]
[Black "Belov, Alexei"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2346"]
[BlackElo "2421"]
[PlyCount "101"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. dxc5 Nc6 6. Ngf3 dxe4 7. Nxe4 Nxe4 8. Bxe4 Qxd1+ 9. Kxd1 Bxc5 10. Ke2 Bd7 11. c3 f6 12. a4 a5 13. Rd1 e5 14. Rd5 b6 15. Be3 Bxe3 16. Kxe3 0-0-0 17. Rad1 Ne7 18. Rd6 Bxa4 19. R1d2 Kc7 20. Re6 Rxd2 21. Nxd2 Re8 22. Nc4 Bb3 23. Nd6 Bxe6 24. Nxe8+ Kd7 25. Nxg7 f5 26. Nxe6 Kxe6 27. Bb7 Nd5+ 28. Kd3 Kd6 29. Kc4 Nc7 30. f3 b5+ 31. Kd3 Kc5 32. Bc8 f4 33. Ke4 Kd6 34. Bb7 Ne6 35. Kf5 Nc5 36. Be4 Na4 37. b3 Nxc3 38. Bd3 a4 39. bxa4 bxa4 40. Bc4 a3 41. g3 fxg3 42. hxg3 a2 43. Bxa2 Nxa2 44. f4 exf4 45. gxf4 Ke7 46. Kg5 Kf7 47. Kh6 Kg8 48. f5 Nb4 49. f6 Nd5 50. f7+ Kxf7 51. Kxh7 1/2-1/2

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Jeet, Jain"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2346"]
[BlackElo "2246"]
[PlyCount "86"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d6 3. Nf3 Bg4 4. c3 e5 5. d5 Nce7 6. h3 Bd7 7. Bd3 g6 8. c4 Bg7 9. Nc3 Nf6 10. Be3 a6 11. g4 h5 12. g5 Nh7 13. Qd2 0-0 14. Nh4 Rb8 15. b4 c6 16. Rc1 cxd5 17. cxd5 b5 18. Ne2 Nc8 19. Ng3 Ne7 20. f4 exf4 21. Bxf4 Rb6 22. 0-0 f6 23. gxf6 Bxf6 24. Nf3 Bxh3 25. Rf2 Bg4 26. Be3 Rb8 27. Nd4 Rc8 28. Nc6 Nxc6 29. dxc6 Be5 30. Bf4 Qh4 31. Bxe5 dxe5 32. Rxf8+ Rxf8 33. Qg2 Rf3 34. Nf1 Rxd3 35. c7 Bc8 36. Qxg6+ Kh8 37. Qe8+ Kg7 38. Qxc8 Qg5+ 39. Kh1 Qxc1 40. Qf5 Qxc7 41. Qxh5 Qe7 42. Qg4+ Qg5 43. Qe6 Qh6+ 0-1

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "3"]
[White "Karolczuk, Iwo"]
[Black "Koc, Przemyslaw"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2346"]
[BlackElo "2346"]
[PlyCount "61"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. Nc3 Nxc3 8. bxc3 Be7 9. Qh5 g6 10. Qxd5 Bc6 11. Qxd8+ Rxd8 12. 0-0 0-0 13. Bf4 Bd6 14. Bxd6 cxd6 15. c4 Rfe8 16. Rfe1 Kf8 17. f3 b6 18. Kf2 Bb7 19. a4 Rxe1 20. Kxe1 Rd7 21. a5 bxa5 22. Rxa5 Rc7 23. Kd2 Bc8 24. Kc3 Ke7 25. d5 h5 26. Kd4 h4 27. c5 dxc5+ 28. Rxc5 Rxc5 29. Kxc5 Kd7 30. c4 g5 31. Bf5+ 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "1"]
[White "Karolczuk, Iwo"]
[Black "Tarasova, Viktoriya"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2346"]
[BlackElo "2226"]
[PlyCount "77"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nc3 h6 6. h3 0-0 7. 0-0 Re8 8. a3 a6 9. Ba4 b5 10. Bb3 d6 11. Ne2 Be6 12. Bxe6 Rxe6 13. Ng3 Re8 14. Nf5 Kh7 15. N3h4 Ne7 16. Qf3 Nfg8 17. c3 Ng6 18. Qg3 Qf6 19. Kh1 Nxh4 20. Nxh4 g5 21. Nf3 Ne7 22. h4 gxh4 23. Nxh4 Rg8 24. Qh3 Qe6 25. Qh2 Rg4 26. f3 Rg7 27. f4 exf4 28. Bxf4 Rag8 29. d4 Bb6 30. Rae1 Rg4 31. Bc1 c6 32. Rf3 Bd8 33. Ref1 R8g7 34. Rh3 Qxe4 35. Nf3 Nf5 36. Bxh6 Kg8 37. Bxg7 Kxg7 38. Rh7+ Kf8 39. Rh8+ 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "10"]
[White "Karolczuk, Iwo"]
[Black "Vovk, Orest"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2346"]
[BlackElo "2315"]
[PlyCount "45"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. a4 g5 2. b4 Bg7 3. Ra3 h5 4. h4 g4 5. a5 d5 6. g3 e5 7. Bg2 f5 8. e3 Nf6 9. Ne2 0-0 10. d4 Qe7 11. dxe5 Qxe5 12. Rd3 c6 13. Nbc3 Ne4 14. Bb2 Qe7 15. Nf4 Qxb4 16. Qa1 Nc5 17. 0-0 Nxd3 18. cxd3 Na6 19. Nxh5 Bh8 20. Rb1 Nc5 21. Nxd5 Bxb2 22. Rxb2 Qa4 23. Ra2 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "11"]
[White "Osinenko, Anton"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2203"]
[BlackElo "2346"]
[PlyCount "81"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 a6 2. d4 e6 3. c3 b5 4. Bd3 Bb7 5. f4 c5 6. Nf3 Nf6 7. Qe2 d5 8. e5 Ne4 9. Nbd2 Nxd2 10. Bxd2 c4 11. Bc2 g6 12. g4 h5 13. gxh5 Rxh5 14. Ng5 Qe7 15. Qg4 Kd7 16. 0-0-0 b4 17. Rdg1 bxc3 18. Bxc3 Bh6 19. Kb1 Nc6 20. Nxf7 Rh4 21. Qxg6 Bxf4 22. Nd6 Kc7 23. Qg7 Bh6 24. Qxe7+ Nxe7 25. Ba5+ Kb8 26. Bb6 a5 27. Nf7 Bf4 28. Bd8 Rxh2 29. Bxe7 Rxh1 30. Rxh1 Ka7 31. Bc5+ Ka6 32. Rf1 Be3 33. Rf6 Rg8 34. Rxe6+ Bc6 35. Rxc6+ Kb7 36. Rb6+ Kc7 37. a3 Rg1+ 38. Ka2 Rg2 39. Ba4 c3 40. e6 Bc1 41. e7 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "2"]
[White "Ozdemir, Serhan Berat"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2200"]
[BlackElo "2346"]
[PlyCount "67"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 h6 8. Bh4 g6 9. f4 e5 10. fxe5 dxe5 11. 0-0-0 Qc7 12. Nb3 b5 13. Rxd7 Nxd7 14. Nd5 Qd6 15. Na5 g5 16. Be1 Nc5 17. Bb4 Be6 18. Nb7 Qc6 19. Nf6+ Ke7 20. Nd5+ Ke8 21. Na5 Qd6 22. g3 Bxd5 23. exd5 Nd3+ 24. cxd3 Qxb4 25. Qxe5+ Qe7 26. Qxh8 Qe1+ 27. Kc2 Qxa5 28. Qe5+ Kd8 29. Qf6+ Kc7 30. Qc6+ Kb8 31. d6 Qd8 32. Bg2 Ra7 33. Kb1 Bxd6 34. Rc1 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "9"]
[White "Toropov, Pavel"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2336"]
[BlackElo "2346"]
[PlyCount "105"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 e5 8. Qd3 h6 9. Nd2 Nf6 10. Nc4 Qc7 11. Be3 Be6 12. Nb6 Rd8 13. f3 Be7 14. 0-0-0 0-0 15. Kb1 Qc6 16. h4 Nh5 17. g4 Nf4 18. Bxf4 exf4 19. Nbd5 Rfe8 20. Nxf4 Bf6 21. Nfd5 Be5 22. g5 h5 23. f4 Bxc3 24. Nxc3 Bg4 25. Rd2 b5 26. Re1 b4 27. Nd5 a5 28. f5 Kh8 29. f6 g6 30. Ne7 Qc7 31. Qd4 Kh7 32. b3 Rd7 33. Re3 Be6 34. Red3 a4 35. Qxb4 Rb8 36. Qc3 Qb6 37. e5 axb3 38. cxb3 Rc7 39. Qd4 Qb7 40. exd6 Rd7 41. Rc3 Rbd8 42. Kb2 Qa6 43. Qd3 Qb6 44. Qd4 Qa6 45. Rcd3 Ra8 46. Qa4 Qb7 47. Qd4 Qa6 48. Kb1 Qa3 49. Qb2 Qa5 50. Qc3 Qa3 51. Re3 Rad8 52. Rxe6 fxe6 53. Qd3 1-0

[Event "Titled Tuesday intern op 28th Mar Early"]
[Site "Chess.com INT"]
[Date "2023.03.28"]
[Round "4"]
[White "Vega Chirino, Lemay"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2260"]
[BlackElo "2346"]
[PlyCount "62"]
[EventDate "2023.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 b5 10. 0-0-0 h5 11. Be2 Be7 12. h3 h4 13. Kb1 Nb6 14. Bxb6 Qxb6 15. Nd5 Nxd5 16. exd5 Bd7 17. Qa5 Qb7 18. Rhf1 b4 19. c3 bxc3 20. Qxc3 0-0 21. Na5 Qb6 22. Nc6 Bf6 23. Rc1 Rab8 24. Nxb8 Rxb8 25. Rc2 Bf5 26. Qa3 Bxc2+ 27. Kxc2 e4 28. b3 Rc8+ 29. Bc4 Qd4 30. Rd1 Qc3+ 31. Kb1 Rxc4 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "1"]
[White "Boder, Jan"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2319"]
[BlackElo "2337"]
[PlyCount "182"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nc3 Nf6 5. e3 g6 6. Nge2 Bg7 7. 0-0 0-0 8. d3 d6 9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 Qd7 13. b5 Nd8 14. Nd5 Nxd5 15. cxd5 Bf7 16. e4 b6 17. Qc2 Nb7 18. Be3 Nc5 19. Bxc5 bxc5 20. b6 Rfb8 21. bxc7 Qxc7 22. Nc3 Be8 23. Rxb8 Rxb8 24. Rb1 Rb4 25. Na2 Rb6 26. Nc3 Bh6 27. Bf1 Bd7 28. Nd1 Kf7 29. Rxb6 Qxb6 30. Nb2 Ke7 31. Nc4 Qb4 32. Qa2 Ba4 33. Nb2 Bd7 34. Nc4 Qa4 35. Qb1 Bb5 36. Nb6 Qb4 37. Qa1 fxe4 38. Qa7+ Kf6 39. Qxh7 Bg7 40. Qh4+ Kf7 41. Nc8 Bf8 42. Qxe4 Qb1 43. Na7 Bd7 44. Nc6 Bf5 45. Qf3 Bh6 46. g4 e4 47. Qh3 exd3 48. gxf5 d2 49. Qxh6 Qxf5 50. Qxd2 c4 51. Bg2 Qb1+ 52. Bf1 Qf5 53. Qe3 Qg4+ 54. Qg3 Qe4 55. Nd8+ Ke7 56. Ne6 c3 57. Nf4 c2 58. Nxg6+ Kf6 59. Qxd6+ Kg5 60. Qg3+ Qg4 61. Ne5 Qxg3+ 62. hxg3 c1Q 63. Nf3+ Kf6 64. Kg2 Ke7 65. Ng5 Qxg5 66. Be2 Qxd5+ 67. Bf3 Qd6 68. Be4 Kf6 69. Bf3 Kg5 70. Bb7 Qb6 71. Bf3 Qd4 72. Bc6 Kf6 73. Bf3 Ke5 74. Bh5 Kd6 75. Bf3 Kc5 76. Bh5 Qg7 77. Bf3 Kd4 78. Bc6 Kd3 79. Bf3 Kd2 80. Bc6 Ke1 81. Bf3 Qd4 82. Bg4 Qxf2+ 83. Kh3 Kd2 84. Kh4 Ke3 85. Bh5 Kd4 86. Kg4 Ke5 87. Kh4 Kf6 88. Kg4 Qe2+ 89. Kh4 Qc4+ 90. g4 Qf4 91. Be8 Qh2# 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "3"]
[White "Deac, Bogdan Daniel"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2700"]
[BlackElo "2337"]
[PlyCount "27"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. Nf3 e4 4. Nd4 Qf6 5. e3 Bc5 6. c3 Nge7 7. d3 exd3 8. Bxd3 0-0 9. Qh5 g6 10. Qxc5 Ne5 11. Be2 b6 12. Qa3 c5 13. Nf3 Bb7 14. Nbd2 1-0

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "6"]
[White "Karolczuk, Iwo"]
[Black "Andreassen, Lars"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2337"]
[BlackElo "2168"]
[PlyCount "75"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. c4 a6 5. Ba4 b5 6. cxb5 Nxd5 7. Ne2 N5b6 8. Bb3 axb5 9. 0-0 e6 10. d4 Bb7 11. Bf4 Bd6 12. Bxd6 cxd6 13. Nbc3 b4 14. Nb5 Qb8 15. Qd2 0-0 16. Qxb4 d5 17. Rfc1 Ba6 18. a4 Rc8 19. Rxc8+ Qxc8 20. Rc1 Qb8 21. h3 h6 22. Rc3 Nf6 23. Ng3 h5 24. Nc7 Ra7 25. Nxa6 Rxa6 26. a5 h4 27. Nf1 Ne4 28. Rc2 Nd6 29. Rc6 Ndc8 30. axb6 Rxb6 31. Rxb6 Nxb6 32. Ne3 Qa7 33. Qa3 Qc7 34. Qc5 Qb7 35. Bd1 Nd7 36. Qc3 Nf6 37. Bc2 Qa7 38. Qc8+ 1-0

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "4"]
[White "Karolczuk, Iwo"]
[Black "Bayo Milagro, Alvaro"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2337"]
[BlackElo "2285"]
[PlyCount "242"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. h3 Bg7 8. 0-0 0-0 9. Re1 Bd7 10. d4 Re8 11. d5 Ne7 12. Bxd7 Nxd7 13. c4 h6 14. Nc3 a5 15. Rb1 Rf8 16. a3 f5 17. b4 axb4 18. axb4 Nf6 19. Qd3 Qd7 20. c5 fxe4 21. Nxe4 Nfxd5 22. cxd6 cxd6 23. Rd1 Kh8 24. Qb3 Qe6 25. Nc3 Nf4 26. Qxe6 Nxe6 27. Rxd6 Nd4 28. Nxd4 exd4 29. Ne4 Rad8 30. Re6 Nf5 31. Rxg6 Rfe8 32. f3 d3 33. Bd2 Kh7 34. Rg4 Nd4 35. Kf1 Re7 36. Rf4 Rc7 37. Rd1 Rc2 38. Rf7 Kg6 39. Rxb7 Nf5 40. g4 Nd4 41. Kf2 Rf8 42. f4 Rxf4+ 43. Kg3 Rxe4 44. Rb6+ Kh7 45. Bxh6 Bxh6 46. Rxd3 Ne2+ 47. Kh4 Rc7 48. Rdd6 Bg7 49. Kh5 Nf4+ 50. Kh4 Ng2+ 51. Kg3 Ne3 52. Kf3 Re8 53. g5 Nc4 54. g6+ Kg8 55. Re6 Rxe6 56. Rxe6 Ne5+ 57. Ke4 Kf8 58. h4 Rb7 59. h5 Rxb4+ 60. Kf5 Rh4 61. Kg5 Nf3+ 62. Kf5 Nd4+ 63. Kg5 Nxe6+ 64. Kxh4 Bh6 65. Kg4 Ke7 66. Kf5 Ng7+ 67. Kg4 Kf6 68. Kh4 Kf5 69. Kh3 Kg5 70. Kg3 Nxh5+ 71. Kf3 Kxg6 72. Ke4 Nf6+ 73. Ke5 Bg5 74. Ke6 Ng4 75. Kd5 Kf5 76. Kd4 Bf6+ 77. Kd5 Ne3+ 78. Kd6 Ke4 79. Ke6 Be5 80. Kd7 Kd5 81. Ke7 Ng2 82. Kd7 Nf4 83. Ke7 Bd6+ 84. Kd7 Nd3 85. Kd8 Ke6 86. Kc8 Nc5 87. Kd8 Bf8 88. Ke8 Bd6 89. Kd8 Kd5 90. Kc8 Kc6 91. Kd8 Bc7+ 92. Ke7 Nb7 93. Ke6 Bd6 94. Kf7 Kd7 95. Kf6 Nd8 96. Kf5 Kc6 97. Ke4 Nf7 98. Kd4 Ne5 99. Ke4 Kc5 100. Ke3 Kd5 101. Kf4 Nd3+ 102. Kf5 Be5 103. Kg5 Ke4 104. Kg6 Nf4+ 105. Kf7 Kf5 106. Ke7 Ng6+ 107. Kd7 Kf6 108. Kc6 Ke6 109. Kc5 Nf4 110. Kc6 Bd6 111. Kb5 Kd5 112. Kb6 Bc5+ 113. Kc7 Ng6 114. Kd7 Bd6 115. Kd8 Ne5 116. Kc8 Kc6 117. Kd8 Ng4 118. Kc8 Nh6 119. Kd8 Nf5 120. Kc8 Be7 121. Kb8 Nd6 1/2-1/2

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "7"]
[White "Karolczuk, Iwo"]
[Black "Bok, Benjamin"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2337"]
[BlackElo "2618"]
[PlyCount "56"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bh6 7. f4 Nf6 8. Bb2 0-0 9. 0-0-0 a5 10. a4 Nb4 11. Bc4 Bg4 12. Re1 Rc8 13. h3 Be6 14. Bb5 d5 15. Nge2 Nxe4 16. Qe3 Nxc3 17. Bxc3 Rxc3 18. Nxc3 d4 19. Qe5 dxc3 20. Re2 Qd6 21. g3 Qxe5 22. Rxe5 Rd8 23. h4 Bf5 24. Rxe7 Bxc2 25. Bc4 Bf5 26. Rh2 c2 27. Rh1 Bg7 28. Rxf7 Na2# 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "2"]
[White "Karolczuk, Iwo"]
[Black "Gallasch, Jonas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2337"]
[BlackElo "2302"]
[PlyCount "99"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. c3 Bh5 8. 0-0 Ngf6 9. Bg5 Qc7 10. Qb3 b5 11. Bd3 Bd6 12. Nbd2 h6 13. Bh4 a6 14. a4 0-0 15. Bg3 Bg6 16. Rae1 Rfe8 17. Kh1 Rab8 18. Qa2 c5 19. Nh4 Bh7 20. axb5 axb5 21. d5 c4 22. Bc2 Nc5 23. Rxf6 gxf6 24. Rf1 Nd7 25. Qb1 Qc8 26. Qd1 Nf8 27. Nf5 Bxf5 28. Rxf5 Kh7 29. Rxf6 Qd7 30. Qf3 Rb7 31. Nf1 Ng6 32. Ne3 Bf8 33. Nf5 Bg7 34. Rd6 Qc8 35. h4 Rd7 36. Rc6 Qd8 37. Qg4 Rg8 38. h5 Nf8 39. Nxg7 Rxg7 40. Qf5+ Kh8 41. Rxh6+ Kg8 42. Bxe5 f6 43. Bxf6 Qe8 44. Bxg7 Rxg7 45. e5 Qf7 46. e6 Qxf5 47. Bxf5 Rg5 48. g4 Rg7 49. d6 Rg5 50. e7 1-0

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "10"]
[White "Karolczuk, Iwo"]
[Black "Hansen, Eric"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2337"]
[BlackElo "2609"]
[PlyCount "102"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. a3 a6 7. Be3 d6 8. f4 Bd7 9. Qf3 Nf6 10. Bd3 Rc8 11. 0-0-0 Nxd4 12. Bxd4 e5 13. Be3 Bg4 14. Qg3 Bxd1 15. Rxd1 Nh5 16. Qg4 Nxf4 17. Bxf4 exf4 18. Nd5 Qd7 19. Qxf4 Qe6 20. Rf1 Be7 21. Be2 h5 22. Kb1 Rc5 23. Bf3 Qe5 24. Qd2 0-0 25. Bxh5 Qxe4 26. Bf3 Qh4 27. g3 Qg5 28. Qd3 Bd8 29. Be4 g6 30. h4 Qe5 31. h5 f5 32. Bg2 gxh5 33. Qf3 Kg7 34. Qxh5 Rh8 35. Qd1 Rb5 36. c3 Rh2 37. Re1 Qxg3 38. Qd4+ Kf7 39. Rf1 Rxb2+ 40. Ka1 Ra2+ 41. Kb1 Rb2+ 42. Ka1 Qxg2 43. Rxf5+ Ke6 44. Nf4+ Kxf5 45. Nxg2 Rbxg2 46. Qd5+ Kf6 47. Qxd6+ Kf7 48. Qd7+ Be7 49. Qf5+ Kg7 50. Qe5+ Bf6 51. Qc7+ Kg6 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "11"]
[White "Karolczuk, Iwo"]
[Black "Kazakouski, Valery"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2337"]
[BlackElo "2539"]
[PlyCount "76"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 g6 6. f4 Bg7 7. Nf3 d6 8. g4 Nc6 9. 0-0 Nf6 10. h3 Nd7 11. Ne2 Nd4 12. Nexd4 cxd4 13. Bd2 a5 14. Be1 b4 15. Bf2 e5 16. f5 gxf5 17. exf5 Qb6 18. c3 0-0 19. g5 f6 20. cxd4 e4 21. Nd2 e3 22. Bxe3 Bxg2 23. Kxg2 fxg5 24. Nc4 Qb5 25. Nxd6 Qd5+ 26. Ne4 Rxf5 27. Qg4 Raf8 28. Rxf5 Rxf5 29. Bxg5 h5 30. Qxh5 Qxd4 31. Qg4 Qxb2+ 32. Kg3 Rf7 33. Re1 Ne5 34. Qc8+ Kh7 35. Qe6 Rf3+ 36. Kh4 Ng6+ 37. Kg4 Qg2+ 38. Kh5 Rxh3+ 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "5"]
[White "Ozates, Tuna"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2251"]
[BlackElo "2337"]
[PlyCount "50"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. 0-0 a6 6. c4 g6 7. Nc3 Bg7 8. d4 cxd4 9. Nxd4 0-0 10. Re1 Ne5 11. Bb3 Nfd7 12. f4 Nc6 13. Be3 Nc5 14. Nxc6 bxc6 15. Bxc5 dxc5 16. e5 Qc7 17. Ne4 Rd8 18. Qe2 Bf5 19. Nxc5 f6 20. e6 Qxf4 21. Rad1 Bh6 22. Nd7 Bg4 23. Nxf6+ exf6 24. e7 Re8 25. c5+ Kg7 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "8"]
[White "Suder, Jakub"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2244"]
[BlackElo "2337"]
[PlyCount "28"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 d6 7. Bd2 0-0 8. Nxb5 a6 9. Nc3 exd5 10. Nxd5 Nxd5 11. exd5 Re8+ 12. Kf2 Qh4+ 13. g3 Qd4+ 14. Kg2 Qxb2 0-1

[Event "Titled Tuesday intern op 31st Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.31"]
[Round "9"]
[White "Tworuszka, Michal"]
[Black "Karolczuk, Iwo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2260"]
[BlackElo "2337"]
[PlyCount "52"]
[EventDate "2023.01.31"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. b3 g6 7. Bb2 Bg7 8. Bd3 0-0 9. 0-0 Nbd7 10. Re1 Nc5 11. Bf1 Bd7 12. h3 Rc8 13. Qd2 b5 14. a3 Re8 15. Rad1 h5 16. g3 e5 17. Nf3 Bc6 18. Ng5 Bh6 19. h4 Nfxe4 20. Ncxe4 Nxe4 21. Nxe4 Bxd2 22. Nxd2 f6 23. Bh3 Rc7 24. Nf1 d5 25. f4 d4 26. f5 Qd5 0-1

[Event "POL-ch U18"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "4"]
[White "Budzisz, Adrian"]
[Black "Karolczuk, Iwo"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2069"]
[BlackElo "2346"]
[PlyCount "31"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5 exd5 9. Bg2 0-0 10. 0-0 Nbd7 11. a3 Bb7 12. Bf4 Nh5 13. Bc1 Nhf6 14. Bf4 Nh5 15. Bc1 Nhf6 16. Bf4 1/2-1/2

[Event "POL-ch U18"]
[Site "Jastrzebia Gora"]
[Date "2023.??.??"]
[Round "2"]
[White "Dziendziel, Mateusz"]
[Black "Karolczuk, Iwo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2084"]
[BlackElo "2346"]
[PlyCount "119"]
[EventDate "2023.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. h3 h6 13. Bf4 Be6 14. Rad1 Nd7 15. Rfe1 Bf6 16. Qh5 Re8 17. Na4 Qa5 18. b3 Qb4 19. Bd2 Qd6 20. Qf3 Be5 21. Kh1 Qc7 22. c4 Bf6 23. Bf4 Qa5 24. c5 Qd8 25. Ba6 Rb8 26. Bxb8 Qxb8 27. a3 Be5 28. b4 Bc7 29. Qe2 Qd8 30. Qh5 Bb8 31. Bd3 Qf6 32. Re2 Ne5 33. Nb2 Qf4 34. g3 Qf6 35. f4 Nxd3 36. Nxd3 d4 37. Kh2 Rd8 38. Ne5 Bd5 39. Rxd4 Re8 40. Rdd2 Re7 41. Re3 g5 42. Ng4 Qa1 43. Rxd5 Qb2+ 44. Kg1 Qb1+ 45. Kf2 Qa2+ 46. Ke1 Rxe3+ 47. Nxe3 cxd5 48. Qxh6 gxf4 49. Qg5+ Kh7 50. gxf4 Qxa3 51. Qh5+ Kg8 52. Nxd5 Qc1+ 53. Qd1 Qc4 54. Qg4+ Kh8 55. Qc8+ Kh7 56. Qf5+ Kg8 57. Qg5+ Kf8 58. Qd8+ Kg7 59. Qxb8 Qe4+ 60. Kf2 1-0

