[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.28"]
[Round "10"]
[White "Kozak, Antoni"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2434"]
[BlackElo "2403"]
[PlyCount "101"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. Nf3 d5 2. d3 Nf6 3. c4 c6 4. Qc2 Bf5 5. Nh4 Bg6 6. Nxg6 hxg6 7. g3 e6 8. Bg2 Nbd7 9. Nc3 Be7 10. 0-0 0-0 11. b3 Rc8 12. Bb2 Qc7 13. Kh1 Rfd8 14. Rae1 a6 15. e4 dxe4 16. dxe4 e5 17. Bh3 Rb8 18. f4 Bc5 19. Bc1 Bd4 20. Ne2 Nc5 21. Nxd4 exd4 22. e5 Nfe4 23. Bd2 d3 24. Qb2 f5 25. exf6 gxf6 26. b4 Qh7 27. Be6+ Kg7 28. bxc5 Rh8 29. h3 Nxg3+ 30. Kg2 Nxf1 31. Bd7 Rbe8 32. Rxe8 Rxe8 33. Bxe8 Nxd2 34. Qxd2 Kf8 35. Bxc6 bxc6 36. Qxd3 Qh5 37. Qd6+ Kf7 38. Kg3 Qe2 39. Qd7+ Kf8 40. Qxc6 Qe1+ 41. Kg2 Qe2+ 42. Kg3 Qe1+ 43. Kg4 Qg1+ 44. Kh4 Qf2+ 45. Kg4 Qg1+ 46. Kh4 Qf2+ 47. Kg4 Qg1+ 48. Kh4 Qf2+ 49. Kg4 Kg7 50. h4 Kh6 51. Kh3 1/2-1/2

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.28"]
[Round "11"]
[White "Seemann, Jakub"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2465"]
[BlackElo "2403"]
[PlyCount "230"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Nc6 8. Nd2 e6 9. a4 Be7 10. Nc4 0-0 11. Kc2 Bd7 12. Bf4 Rac8 13. Be2 Rfd8 14. Rhd1 Be8 15. Re1 Kf8 16. f3 f6 17. Bg3 Bf7 18. Rad1 Ke8 19. Kb1 e5 20. Rxd8+ Rxd8 21. Kc2 Be6 22. Ra1 Bf7 23. a5 a6 24. Ne3 Bd6 25. Bc4 g6 26. Bf2 Bxc4 27. Nxc4 Be7 28. g4 Kf7 29. h4 Ke6 30. Rg1 Rg8 31. Kd3 Bd8 32. Ra1 Be7 33. Nb6 f5 34. Nd5 fxe4+ 35. Kxe4 Bd8 36. Bxc5 Nxa5 37. Rd1 Nc6 38. g5 Rg7 39. Nf6 Bxf6 40. Rd6+ Kf7 41. Rxf6+ Ke8 42. Rf8+ Kd7 43. Kd5 Kc7 44. Bd6+ Kb6 45. Ke6 Kb5 46. b3 a5 47. c4+ Kb6 48. Ra8 Nd4+ 49. Kd5 Nxb3 50. Bxe5 Rf7 51. f4 Rd7+ 52. Ke6 Nc5+ 53. Kf6 Ne4+ 54. Ke6 Nc5+ 55. Kf6 a4 56. f5 Ne4+ 57. Ke6 Nc5+ 58. Kf6 Ne4+ 59. Ke6 Nc5+ 60. Kf6 gxf5 61. Kxf5 Rd3 62. h5 Rh3 63. Kg4 Rh1 64. g6 hxg6 65. hxg6 Rg1+ 66. Kh5 Ne6 67. Bf6 Nf4+ 68. Kh4 Nxg6+ 69. Kh5 Nf4+ 70. Kh4 Ng6+ 71. Kh5 Nf4+ 72. Kh4 Rh1+ 73. Kg4 Nd3 74. Bd4+ Kc6 75. Rxa4 Rf1 76. Kg3 Rf4 77. Be3 Rf5 78. Kg4 Rf1 79. Kg3 Ne5 80. Bd4 Nf7 81. Ra8 Nd6 82. c5 Nf5+ 83. Kg2 Rf4 84. Bf2 Kc7 85. Rh8 Kc6 86. Rc8+ Kd7 87. Rb8 Kc7 88. Rh8 Rg4+ 89. Kf3 Rc4 90. Rf8 Nd4+ 91. Kg2 Ne6 92. Rf5 Rc3 93. Kf1 Kc6 94. Rf6 Kd5 95. Rf7 Rb3 96. Rd7+ Ke4 97. Rd1 Rb2 98. Re1+ Kd5 99. Rd1+ Ke4 100. Re1+ Kf5 101. Bg3 Ng5 102. Re8 Nf3 103. Bf2 Nd2+ 104. Kg1 Ne4 105. Be3 Re2 106. Bd4 Kg4 107. Rg8+ Kf5 108. Rf8+ Ke6 109. Kf1 Ng3+ 110. Kg1 Ne4 111. Kf1 Rd2 112. Be3 Rc2 113. Rb8 Rc3 114. Ke2 Nxc5 115. Bxc5 Rxc5 1/2-1/2

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.28"]
[Round "7"]
[White "Sieciechowicz, Marcin"]
[Black "Adamczewski, Maciej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2403"]
[BlackElo "2069"]
[PlyCount "99"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 c5 5. c3 Qb6 6. Qb3 c4 7. Qc2 Bd6 8. Bg3 Nbd7 9. Nbd2 0-0 10. e4 Bxg3 11. hxg3 dxe4 12. Nxc4 Qc7 13. Nfd2 b5 14. Ne3 b4 15. Nxe4 bxc3 16. Nxc3 Bb7 17. Bd3 h6 18. 0-0 Nb6 19. Rac1 Rfd8 20. Ne2 Qe7 21. Rfd1 Rac8 22. Qd2 Nbd5 23. Nxd5 Bxd5 24. a3 Qb7 25. f3 Qb6 26. Rxc8 Rxc8 27. Rc1 Rb8 28. b4 Rd8 29. Qc3 e5 30. Qc7 exd4 31. Kf2 Bb3 32. Qxb6 axb6 33. Rc6 Nd5 34. Nxd4 Ba4 35. Bb5 Bxb5 36. Nxb5 Kf8 37. Rc4 Ke7 38. Rd4 Ke6 39. Nc7+ Ke5 40. Rd3 Rd7 41. Nxd5 Rxd5 42. Ke3 Rb5 43. Rd7 Ke6 44. Rb7 g6 45. f4 g5 46. Ke4 gxf4 47. gxf4 h5 48. g3 f5+ 49. Kd4 Kd6 50. Kc4 1-0

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.28"]
[Round "9"]
[White "Sieciechowicz, Marcin"]
[Black "Kucharska, Honorata"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2403"]
[BlackElo "2137"]
[PlyCount "119"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. cxd4 Bd6 8. Bg3 0-0 9. Bd3 b6 10. Rc1 Nb4 11. Bb1 Ba6 12. Ne5 Bxe5 13. Bxe5 Nd3+ 14. Bxd3 Bxd3 15. Qb3 Rc8 16. Rc3 Rxc3 17. Qxc3 Bb5 18. f3 Qd7 19. Nb3 Rc8 20. Qd2 Ne8 21. Kf2 f6 22. Bg3 Ba6 23. Rc1 Qb5 24. Kg1 Rc4 25. h3 Qa4 26. Ra1 Qc6 27. Rc1 Qa4 28. Ra1 Qc6 29. Qd1 Qc8 30. Rc1 Bb5 31. Qd2 a5 32. Rxc4 Qxc4 33. Nc1 g6 34. b3 Qc8 35. Ne2 Ng7 36. Nc3 Ba6 37. e4 Nh5 38. Bf2 Qd7 39. Qe3 Ng7 40. Bh4 g5 41. Bf2 Kf7 42. h4 h6 43. Qd2 Bb7 44. e5 Nf5 45. g4 Nxh4 46. Bxh4 gxh4 47. exf6 Qc7 48. Ne2 Kg6 49. Kg2 Ba6 50. Nf4+ Kxf6 51. Kh3 Bf1+ 52. Kxh4 Kf7 53. Qe3 Qe7+ 54. Kg3 Bb5 55. Qe5 Bd7 56. Nh5 Kg6 57. f4 Qf7 58. Qd6 b5 59. f5+ Kh7 60. Qxd7 1-0

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.28"]
[Round "8"]
[White "Tomczak, Jacek"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2584"]
[BlackElo "2403"]
[PlyCount "69"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 0-0 14. f6 gxf6 15. gxf6 Nxf6 16. e5 dxe5 17. Nc6 Bb7 18. Qg3+ Kh8 19. Nxe5 Bd6 20. Rxd6 Bxh1 21. Rd1 Rac8 22. Bd3 b4 23. Qg5 Ng8 24. Bxh7 f6 25. Qh4 Nh6 26. Bd3 Qg7 27. Ng6+ Kg8 28. Rg1 bxc3 29. Ne7+ Kh8 30. Rxg7 cxb2+ 31. Kb1 Kxg7 32. Nxc8 Rxc8 33. Qg3+ Kf8 34. Qd6+ Kg7 35. Qd7+ 1-0

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "2"]
[White "Chmiel, Pawel"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1702"]
[BlackElo "2403"]
[PlyCount "98"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 c5 6. dxc5 Qc7 7. fxe4 Bxc5 8. Bxc5 Qxc5 9. Bd3 Nc6 10. Ngf3 e5 11. Nb3 Qe3+ 12. Qe2 Qxe2+ 13. Kxe2 Bg4 14. h3 Bh5 15. g4 Bg6 16. Ke3 0-0-0 17. a3 Ne8 18. Nh4 Nc7 19. Rhf1 f6 20. Nf5 Ne6 21. Bc4 Bxf5 22. gxf5 Nf4 23. Rf3 g6 24. Rg1 g5 25. c3 b6 26. Nc1 Kc7 27. b4 Rd6 28. h4 h6 29. Ne2 Rhd8 30. hxg5 hxg5 31. Rh1 Rd1 32. Rh7+ R8d7 33. Rxd7+ Kxd7 34. Nxf4 exf4+ 35. Ke2 Rh1 36. Bb5 Kc7 37. Bxc6 Kxc6 38. c4 Kd6 39. Rd3+ Ke5 40. Rd7 Kxe4 41. Rxa7 Rh2+ 42. Ke1 g4 43. c5 bxc5 44. bxc5 Rc2 45. Ra6 g3 46. Rxf6 f3 47. Rg6 f2+ 48. Kd1 Ra2 49. Rxg3 f1Q# 0-1

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "4"]
[White "Paprocki, Jaroslaw"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "2145"]
[BlackElo "2403"]
[PlyCount "238"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a5 10. 0-0 b4 11. axb4 axb4 12. Rxa8 Qxa8 13. Na4 Be7 14. b3 0-0 15. Bb2 Nd5 16. Qc2 h6 17. Ra1 Qb8 18. Ne5 Nxe5 19. dxe5 c5 20. g3 Qc7 21. Rc1 Rc8 22. Be4 Nb6 23. Bxb7 Qxb7 24. Nxb6 Qxb6 25. Qe4 Rd8 26. Ra1 g6 27. Ra8 Kg7 28. Rxd8 Qxd8 29. Qc2 Qa8 30. Bc1 Qd5 31. e4 Qd4 32. Kg2 Bg5 33. Bb2 Qd7 34. h4 Be7 35. Qc4 Qc7 36. Qd3 Kg8 37. f4 Qa7 38. Bc1 Qa2+ 39. Kf3 Qh2 40. Be3 Kg7 41. Qd7 Bf8 42. Qd1 Kg8 43. Qd2 Qh1+ 44. Kf2 Qxe4 45. Qc1 Qd5 46. Qc2 Kg7 47. Bc1 Be7 48. Bb2 Qh1 49. Ke3 Qg1+ 50. Kf3 Qf1+ 51. Ke3 Kg8 52. Bc1 Qg1+ 53. Kf3 Qh1+ 54. Ke3 Qe1+ 55. Kf3 Kg7 56. Be3 Qh1+ 57. Ke2 Qg2+ 58. Bf2 Qd5 59. Qd3 Qc6 60. Qc4 Qa8 61. Kf1 Qa1+ 62. Kg2 Qb2 63. Kf3 Qb1 64. Ke2 Qb2+ 65. Kf3 Qd2 66. Be3 Qb2 67. Qd3 Qa1 68. Kg2 Qa8+ 69. Kf2 Qc6 70. Qc4 Kf8 71. Bd2 Qd7 72. Be3 Qd5 73. Qc2 Ke8 74. Qa2 Kf8 75. Qc2 Qh1 76. Qc4 Kg8 77. Qb5 Qb1 78. Qc4 Qb2+ 79. Kf3 Kg7 80. Qd3 Qh2 81. Bf2 Qh1+ 82. Ke2 Qd5 83. Qc2 g5 84. hxg5 hxg5 85. Be3 Qg2+ 86. Bf2 gxf4 87. gxf4 Bh4 88. Qxc5 Qe4+ 89. Kd1 Qd3+ 90. Ke1 Qb1+ 91. Ke2 Qb2+ 92. Kf1 Bxf2 93. Qxf2 Qxb3 94. Qg2+ Kh7 95. Qe4+ Kh6 96. Qh1+ Kg6 97. Qe4+ Kh5 98. Qh7+ Kg4 99. Qg8+ Kxf4 100. Qxf7+ Kxe5 101. Qg7+ Kd5 102. Qd7+ Kc5 103. Qe7+ Kd4 104. Qh4+ Kc3 105. Qg3+ Kb2 106. Qe5+ Kb1 107. Qe1+ Ka2 108. Qe2+ Kb1 109. Qe1+ Ka2 110. Qe2+ Ka3 111. Qa6+ Qa4 112. Qxe6 Qd1+ 113. Kf2 Qd2+ 114. Kg1 b3 115. Qa6+ Kb2 116. Qf6+ Kb1 117. Qg6+ Qc2 118. Qe8 b2 119. Qa8 Kc1 0-1

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "6"]
[White "Shynkarchuk, Maxim"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2194"]
[BlackElo "2403"]
[PlyCount "118"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. g3 Ne7 10. h4 h6 11. Bh3 0-0-0 12. 0-0 Qc7 13. Re1 Kb8 14. Nf1 Nb3 15. Be3 Ka8 16. N1d2 Nxd2 17. Nxd2 Nf5 18. Bf4 g5 19. Bxf5 gxf4 20. Bh3 fxg3 21. fxg3 f5 22. Nf1 Be7 23. Qf3 Rdf8 24. Qf2 f4 25. gxf4 Qd8 26. Re3 Bxh4 27. Ng3 Qe7 28. Kh2 Rhg8 29. Rf1 Rg6 30. Rf3 Rfg8 31. Rg1 a6 32. Qe3 Qd8 33. Rg2 Qb6 34. Qe2 R6g7 35. Qc2 Ka7 36. Qe2 Be8 37. f5 exf5 38. Bxf5 Bh5 39. Nxh5 Rxg2+ 40. Qxg2 Rxg2+ 41. Kxg2 Qxb2+ 42. Kh3 Bg5 43. Be6 Qe2 44. Bxd5 Be7 45. Ng3 Qb2 46. Rf7 Qxa3 47. Nf5 Qxc3+ 48. Kg4 h5+ 49. Kxh5 Qh3+ 50. Kg6 Qg4+ 51. Kh7 Qh5+ 52. Kg8 Qg4+ 53. Kh7 c3 54. Nxe7 c2 55. Nc8+ Kb8 56. Nb6 Qh5+ 57. Kg8 Qg6+ 58. Rg7 Qxb6 59. Rg1 Qxd4 0-1

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Musial, Igor"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2403"]
[BlackElo "2089"]
[PlyCount "95"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 b6 6. h3 Bb7 7. 0-0 Nbd7 8. c3 0-0 9. Nbd2 Re8 10. a4 e5 11. Bh2 Ne4 12. a5 Nxd2 13. Qxd2 bxa5 14. Rxa5 c5 15. Rfa1 Qb6 16. Bb5 Red8 17. Bxd7 Rxd7 18. dxe5 Bxf3 19. gxf3 Qc6 20. exd6 Qxf3 21. Rxc5 Qxh3 22. Qd5 Rad8 23. Rca5 Bf8 24. Rxa7 Qg4+ 25. Qg2 Rxa7 26. Qxg4 Rxa1+ 27. Kg2 Bxd6 28. Qd4 Raa8 29. Bxd6 Ra6 30. Bc5 Rxd4 31. exd4 f5 32. d5 Kf7 33. b4 Ra3 34. Bd4 Rb3 35. f4 h6 36. Kf3 g5 37. Be5 Ke8 38. fxg5 hxg5 39. Ke3 Kd7 40. Kd4 Rb2 41. Ke3 f4+ 42. Kf3 Rb3 43. Kg4 Ke7 44. Kf3 Kd7 45. Kg4 Ke7 46. Kf3 Kd7 47. Kg4 Ke7 48. Kf3 1/2-1/2

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Panek, Andrzej"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2403"]
[BlackElo "1606"]
[PlyCount "41"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c3 a6 5. Bd3 h6 6. Nf3 c5 7. Nbd2 c4 8. Bc2 Nc6 9. e4 Be7 10. Qe2 0-0 11. e5 Nh7 12. Qe3 Ng5 13. h4 Nxf3+ 14. gxf3 f5 15. Bxh6 f4 16. Bxf4 Bxh4 17. 0-0-0 Rf5 18. Bxf5 exf5 19. Rdg1 Be6 20. Bh6 g5 21. Rxh4 1-0

[Event "Katowice Silesia 100th Ann op"]
[Site "Katowice"]
[Date "2024.04.27"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Wisniewski, Adrian"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2403"]
[BlackElo "2351"]
[PlyCount "133"]
[EventDate "2024.04.27"]
[EventType "swiss (rapid)"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CB19_2024"]
[SourceDate "2024.05.08"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. c3 Nbd7 7. 0-0 Nh5 8. Bg5 c5 9. Nbd2 b6 10. a4 Bb7 11. a5 Nhf6 12. h3 Rb8 13. Bf4 bxa5 14. Nc4 Bd5 15. Nfd2 cxd4 16. exd4 Ne4 17. Nxe4 Bxe4 18. Qd2 Qc7 19. Rxa5 e5 20. dxe5 dxe5 21. Be3 Nb6 22. Rc5 Nxc4 23. Rxc4 Qb7 24. Rb4 Qa8 25. Rxb8 Rxb8 26. f3 Rd8 27. Qe1 Bd5 28. Qf2 a5 29. Ra1 a4 30. Bb6 Rb8 31. c4 Bc6 32. Ra2 e4 33. c5 Bd5 34. Ra1 Bxb2 35. Rd1 a3 36. fxe4 Bxe4 37. Bc4 Qb7 38. Ba2 Kg7 39. Qe3 Re8 40. Qf2 Re7 41. Rd2 Qc6 42. Rd6 Qc8 43. Bd8 Rd7 44. Bf6+ Kg8 45. Bxb2 axb2 46. Rxd7 Qxd7 47. Qxb2 Qd1+ 48. Kh2 Qc2 49. Qxc2 Bxc2 50. Kg3 Be4 51. Kf2 Kf8 52. g3 Bc6 53. Ke3 Ke7 54. Kd4 f6 55. Bd5 Bd7 56. h4 Bg4 57. Be4 Kd7 58. Bc2 Kc6 59. Ba4+ Kc7 60. Be8 g5 61. h5 Kd8 62. Bf7 Ke7 63. Bg8 h6 64. Ke4 Bxh5 65. Kf5 Be8 66. Bd5 h5 67. Ke4 1/2-1/2

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "8"]
[White "Avramidou, Anastasia"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2287"]
[BlackElo "2397"]
[PlyCount "96"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. h4 d6 5. e4 Nbd7 6. Be2 e5 7. d5 Nc5 8. Qc2 a5 9. h5 0-0 10. hxg6 fxg6 11. Bg5 Bd7 12. Nf3 c6 13. dxc6 Bxc6 14. Nd2 Ne6 15. Be3 Nd4 16. Qd3 Nd7 17. Nf3 Nc5 18. Qb1 Qd7 19. Nd5 Bxd5 20. exd5 Nxe2 21. Kxe2 Qg4 22. Rh4 Qxg2 23. Qh1 Qxh1 24. Raxh1 h5 25. Rg1 e4 26. Nd4 Kh7 27. Nb5 Be5 28. Bxc5 dxc5 29. Rxe4 Rae8 30. b3 Bh2 31. Rxe8 Rxe8+ 32. Kf1 Bxg1 33. Kxg1 Kg7 34. Nd6 Re7 35. Nc8 Rd7 36. Nb6 Rd6 37. Nc8 Rd8 38. Nb6 Kf6 39. Na4 b6 40. Kg2 Rd6 41. Nc3 Ke5 42. Kf3 g5 43. Nb5 Rf6+ 44. Kg3 h4+ 45. Kg4 Rxf2 46. d6 Rg2+ 47. Kh3 Rd2 48. Kg4 Rxd6 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "2"]
[White "Bueno, Alfeu Varela Jr"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2156"]
[BlackElo "2397"]
[PlyCount "92"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 b6 7. Qe2 Nc6 8. Ngf3 cxd4 9. cxd4 Nb4 10. 0-0 Nxd3 11. Qxd3 Be7 12. Ne1 0-0 13. f4 f5 14. exf6 Nxf6 15. Nef3 a5 16. Re1 Bd6 17. Ne5 Bb7 18. Qh3 Qe7 19. Ndf3 Ne4 20. Be3 Rac8 21. Ng5 Nxg5 22. fxg5 Bxe5 23. dxe5 d4 24. Bd2 Rc2 25. Qd3 Rxb2 26. Reb1 Be4 27. Qxe4 Rxd2 28. Rf1 Rc8 29. Rac1 Rd8 30. a4 d3 31. Rcd1 Rxd1 32. Rxd1 Qc5+ 33. Kh1 Qc2 34. Qg4 Qb3 35. h4 d2 36. h5 Rc8 37. Kh2 Rd8 38. g6 Qd5 39. Qf4 Rf8 40. gxh7+ Kxh7 41. Qxf8 Qxe5+ 42. Kh3 Qxh5+ 43. Kg3 Qxd1 44. Qf4 Qe1+ 45. Kh3 Qh1+ 46. Kg3 d1Q 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "7"]
[White "Kubicka, Anna"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2278"]
[BlackElo "2397"]
[PlyCount "152"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. a4 Ba6 8. Bb5 Bxb5 9. axb5 Be7 10. Ngf3 a5 11. 0-0 0-0 12. Qe2 Re8 13. c4 Nf8 14. Rd1 Nbd7 15. Nb3 a4 16. Nbd2 Qc7 17. Nf1 cxd4 18. Nxd4 Qxe5 19. Qf3 Qe4 20. Qxe4 dxe4 21. Nc6 Nc5 22. Be3 Nb3 23. Nxe7+ Rxe7 24. Ra3 Nd7 25. Nd2 Nbc5 26. b4 Nd3 27. Nxe4 Nxb4 28. Rda1 Nc2 29. Rxa4 Rxa4 30. Rxa4 Nxe3 31. fxe3 f5 32. Ra8+ Nf8 33. Nd6 Rd7 34. Nc8 Rd8 35. Nxb6 Rxa8 36. Nxa8 Nd7 37. b6 Kf7 38. b7 Ke7 39. c5 Nb8 40. Nb6 Kd8 41. Nc8 Kc7 42. Nd6 Kc6 43. Ne8 g6 44. Ng7 e5 45. Ne8 Kxb7 46. Nf6 h5 47. Ng8 Nc6 48. Kf2 Ka6 49. Kf3 Kb5 50. e4 f4 51. Nf6 Kxc5 52. g3 Nd4+ 53. Kg2 Kd6 54. Ne8+ Ke6 55. Nc7+ Kd7 56. Nd5 Ke6 57. Nc7+ Kf7 58. Nd5 g5 59. Nc3 g4 60. gxf4 exf4 61. Nd5 Ne6 62. h3 Kg6 63. hxg4 hxg4 64. e5 Kf5 65. Nf6 Ng5 66. Kf2 Ne6 67. Kg2 Nc5 68. Kf2 Nd3+ 69. Ke2 Nxe5 70. Nd5 g3 71. Nc3 f3+ 72. Ke3 g2 73. Kf2 Ng4+ 74. Kg1 Kf4 75. Nd5+ Kg3 76. Ne3 f2# 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "10"]
[White "Materia, Marco"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2430"]
[BlackElo "2397"]
[PlyCount "53"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 0-0 9. Bd3 c5 10. d5 e5 11. Nd2 Nxg3 12. hxg3 f5 13. g4 e4 14. Bc2 Bxc3 15. bxc3 Qf6 16. gxf5 Qxc3 17. Bxe4 Bxf5 18. Bxf5 Rxf5 19. Rxh6 Nd7 20. Rc1 Qg7 21. Rxd6 Raf8 22. Ne4 g4 23. Rxd7 Qxd7 24. Qxg4+ Qg7 25. Qxg7+ Kxg7 26. f4 b6 27. Kf2 1-0

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "4"]
[White "Mizzi, Jack"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2043"]
[BlackElo "2397"]
[PlyCount "79"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 a6 8. Qc2 Bd7 9. Rd1 Rb8 10. b3 b5 11. cxb5 axb5 12. Bb2 e6 13. e4 Qe7 14. Qe2 b4 15. Nb1 Rfc8 16. Nbd2 Na5 17. Nc4 Bb5 18. Rac1 Nxe4 19. Qxe4 d5 20. Qe2 dxc4 21. bxc4 Ba6 22. Ne5 c5 23. dxc5 Rxc5 24. Nd7 Rbc8 25. Bxg7 Kxg7 26. Qb2+ e5 27. Qxb4 Nxc4 28. Nxc5 Qxc5 29. Qxc5 Rxc5 30. Bf1 Rc6 31. Rc3 Bb5 32. Rdc1 Ra6 33. Bxc4 Bxc4 34. Rxc4 Rxa2 35. Kg2 h5 36. Rc7 e4 37. Re7 Ra6 38. Rcc7 Rf6 39. Rxe4 Rf5 40. Rf4 1-0

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "5"]
[White "Salman, Ilhan Serhat"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2092"]
[BlackElo "2397"]
[PlyCount "102"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Nge7 5. Bxe5 a6 6. Bxc6+ Nxc6 7. Bb2 Qg5 8. Qf3 Bg4 9. Qf4 Qxf4 10. exf4 0-0-0 11. d4 Bb4+ 12. c3 Bd6 13. f3 Rde8+ 14. Kf2 Bf5 15. Ne2 Bd3 16. Re1 Bxe2 17. Rxe2 Rxe2+ 18. Kxe2 Bxf4 19. g3 Re8+ 20. Kf1 Bg5 21. Na3 Kd7 22. Re1 Rxe1+ 23. Kxe1 Ne7 24. Ke2 Nf5 25. f4 Be7 26. Nc2 Nd6 27. Ne3 c6 28. c4 dxc4 29. Nxc4 Bf6 30. Ne5+ Ke6 31. Ke3 Kd5 32. Ba3 Bxe5 33. dxe5 Nf5+ 34. Kd3 h5 35. Bf8 g6 36. Bb4 c5 37. Be1 b5 38. h3 c4+ 39. bxc4+ bxc4+ 40. Ke2 Ke4 41. g4 hxg4 42. hxg4 Nd4+ 43. Kd2 Nf3+ 44. Ke2 Nxe1 45. f5 Nd3 46. e6 Nf4+ 47. Kd2 Nxe6 48. fxe6 fxe6 49. Kc3 Kd5 50. g5 Kc5 51. a4 a5 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Aadit, Bhatia"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2397"]
[BlackElo "2169"]
[PlyCount "84"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e4 dxe4 5. dxc5 e6 6. Qxd8+ Kxd8 7. 0-0-0+ Ke8 8. Nb5 Na6 9. Nd6+ Bxd6 10. Bxd6 Nb4 11. a3 Nc6 12. f3 Bd7 13. b4 a6 14. Nh3 exf3 15. gxf3 Ne7 16. Nf2 Bc6 17. Be2 Nf5 18. Rhg1 Nd5 19. Ne4 f6 20. Rd2 Kf7 21. c4 Nde7 22. Kb2 Rhd8 23. Ng3 Nh4 24. f4 Nf3 25. Bxf3 Bxf3 26. Rf1 Bc6 27. Rfd1 Ng6 28. f5 Nh4 29. fxe6+ Kxe6 30. Re1+ Kf7 31. Re7+ Kg6 32. Rd1 Rd7 33. Rg1 Rxe7 34. Bxe7 Kf7 35. Bd6 Nf3 36. Rd1 Re8 37. Kb3 Re3+ 38. Kb2 Ba4 39. Ra1 Rb3+ 40. Kc1 Rc3+ 41. Kb2 Rc2+ 42. Kb1 Nd2# 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Chernyavsky, Alexander"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2397"]
[BlackElo "2354"]
[PlyCount "79"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 0-0 5. Be2 d6 6. c3 b6 7. 0-0 Bb7 8. h3 Nbd7 9. Nbd2 Ne4 10. a4 a5 11. Qc2 e5 12. Nxe4 exf4 13. exf4 Nf6 14. Bd3 Nd5 15. Qd2 Bh6 16. g3 Bg7 17. Rfe1 Qd7 18. Bf1 Bc6 19. b3 Rae8 20. Bg2 f5 21. Neg5 h6 22. Nh4 hxg5 23. fxg5 Rxe1+ 24. Rxe1 Kh7 25. c4 Nb4 26. d5 Bb7 27. Qe2 Bc8 28. Bf3 Qd8 29. Qe7 Bd7 30. Qxd8 Rxd8 31. Re7 Na6 32. g4 Nc5 33. gxf5 gxf5 34. Bh5 Kg8 35. Bg6 Kf8 36. Rf7+ Kg8 37. Re7 Ne4 38. Bxf5 Bxf5 39. Nxf5 Bf8 40. Rxe4 1-0

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Krzywda, Andrzej"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2397"]
[BlackElo "2234"]
[PlyCount "90"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 g6 7. b3 Bf5 8. Qd1 cxb3 9. Qxb3 Nc6 10. Nd2 Bg7 11. c4 Nxd4 12. exd4 Qxd4 13. Rd1 Qxf4 14. Ngf3 0-0 15. cxd5 Rfd8 16. Bc4 b5 17. Qxb5 Rab8 18. Qa5 Ne4 19. Qxa7 Nxd2 20. Nxd2 Bc3 21. 0-0 Bxd2 22. Bb3 Bb4 23. Rc1 Bd6 24. g3 Qf3 25. Qe3 Qxe3 26. fxe3 Rdc8 27. Kf2 Ba3 28. Rxc8+ Rxc8 29. e4 Bxe4 30. Ke3 Bf5 31. h3 Bc5+ 32. Kd2 h5 33. d6 Bxd6 34. g4 hxg4 35. hxg4 Be6 36. Bxe6 fxe6 37. a4 Rc4 38. Ra1 Rxg4 39. a5 Bb8 40. a6 Ba7 41. Ra5 Rb4 42. Kc3 Rb1 43. Kc4 Kf7 44. Rg5 Kf6 45. Rg2 e5 0-1

[Event "Titled Tuesday intern op 09th Jan Early"]
[Site "Chess.com INT"]
[Date "2024.01.09"]
[Round "9"]
[White "Sieciechowicz, Marcin"]
[Black "Wafa, Hamed"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2397"]
[BlackElo "2397"]
[PlyCount "107"]
[EventDate "2024.01.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB03_2024"]
[SourceDate "2024.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e4 cxd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. e5 Nd7 9. e6 fxe6 10. Nf3 Qb6 11. Be5 Qxd4 12. Bxd4 Rg8 13. h4 g6 14. 0-0-0 Bh6+ 15. Kb1 Bg7 16. Rhe1 Bxd4 17. Rxd4 Nf8 18. Ng5 Kd7 19. Rf4 Kd6 20. Rf7 h6 21. Nf3 Nd7 22. Rd1 Raf8 23. Rh7 h5 24. Ne4+ Kc7 25. Neg5 Rf6 26. Rxe7 Kd6 27. Rh7 Kc5 28. a3 e5 29. Rxd7 Bxd7 30. Nxe5 Bf5 31. b4+ Kd6 32. Nc4+ Kc7 33. Rxd5 Re8 34. Ne3 Bd7 35. Rd2 Bc6 36. Kb2 Rd8 37. Rxd8 Kxd8 38. f3 Kc7 39. Kc3 a5 40. Kd2 axb4 41. axb4 Rf4 42. b5 Bd7 43. Nd5+ Kd6 44. Nxf4 Bxb5 45. Nxg6 Bf1 46. Nf4 Ke5 47. g3 b5 48. Nxh5 Kf5 49. Nf4 b4 50. Nd3 Bg2 51. Nxb4 Bf1 52. Nd3 Bg2 53. Ke3 Bf1 54. Kf2 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.04"]
[Round "9"]
[White "Piekielny, Pawel"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2250"]
[BlackElo "2391"]
[PlyCount "88"]
[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. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Bb5+ Nc6 7. d4 0-0 8. Re1 cxd4 9. cxd4 Bg4 10. Bxc6 bxc6 11. Nc3 Qb6 12. Na4 Qb5 13. b3 Nd7 14. Bb2 Nb6 15. Nxb6 axb6 16. a4 Qh5 17. h3 Be6 18. Rc1 c5 19. Bc3 Rad8 20. d5 Bc8 21. Bxg7 Kxg7 22. Nd2 Qxd1 23. Rcxd1 Ba6 24. e5 dxe5 25. Rxe5 Rd7 26. a5 bxa5 27. Ne4 Rc8 28. d6 exd6 29. Rxd6 Rxd6 30. Nxd6 Rd8 31. Ne8+ Kf8 32. Nf6 Rd6 33. Re8+ Kg7 34. Ne4 Rd1+ 35. Kh2 Re1 36. f3 Bf1 37. Ra8 Re2 38. Kg3 Rxg2+ 39. Kf4 Rb2 40. h4 Rxb3 41. Nxc5 Rb5 42. Ne4 Rf5+ 43. Ke3 Bc4 44. Nd6 Rxf3+ 0-1

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.03"]
[Round "8"]
[White "Sieciechowicz, Marcin"]
[Black "Selbes, Tarik"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2391"]
[BlackElo "2185"]
[PlyCount "129"]
[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. c4 e6 3. Nc3 h6 4. cxd5 exd5 5. Bf4 c6 6. Qc2 Bd6 7. Bxd6 Qxd6 8. e3 Nf6 9. Nf3 0-0 10. Bd3 Re8 11. h3 Nbd7 12. 0-0 Qe7 13. Nd2 Nf8 14. Rfe1 Ne6 15. Nf3 Ng5 16. Ne5 Nge4 17. f3 Nd6 18. Rad1 Be6 19. Qf2 Nd7 20. Nxd7 Qxd7 21. e4 dxe4 22. fxe4 f5 23. e5 Ne4 24. Bxe4 fxe4 25. Rxe4 Rf8 26. Rf4 Rxf4 27. Qxf4 Rf8 28. Qe3 Rf5 29. b3 Rg5 30. Kh2 Qf7 31. Ne4 Rg6 32. Rd2 Bd5 33. Nc3 h5 34. Nxd5 Qxd5 35. Qf3 Qxf3 36. gxf3 Rg5 37. f4 Rf5 38. Kg3 g5 39. fxg5 Rxg5+ 40. Kf3 Kf7 41. Rg2 Rf5+ 42. Ke3 c5 43. Ke4 Rf1 44. dxc5 Re1+ 45. Kd4 Rd1+ 46. Kc4 Rc1+ 47. Kb4 Re1 48. Rg5 Re4+ 49. Kb5 Rh4 50. e6+ Kxe6 51. Rg7 a6+ 52. Kb6 Rb4+ 53. Ka7 Rb5 54. Rxb7 Rxc5 55. Kxa6 Rc2 56. a4 Rh2 57. b4 Rxh3 58. Rh7 Kd5 59. b5 h4 60. b6 Kc6 61. b7 Rb3 62. Ka7 Rb4 63. Rh6+ Kc7 64. b8Q+ Rxb8 65. Rh7+ 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.02"]
[Round "7"]
[White "Dziewonski, Dariusz"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2224"]
[BlackElo "2391"]
[PlyCount "45"]
[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. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 Bd7 9. Nd6 cxd4 10. Nf3 f6 11. Bd3 Nbc6 12. 0-0 Qb6 13. Qf2 h6 14. Qg3 Nb4 15. Nh4 Nxd3 16. Qxd3 Qxb2 17. Rab1 Qc3 18. Rxb7 Rad8 19. Ng6 Nxg6 20. Qxg6 Qe3+ 21. Kh1 Qe2 22. Rfb1 Qf2 23. Ne8 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2024.01.02"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Ashwath, R."]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2391"]
[BlackElo "2284"]
[PlyCount "25"]
[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. Nc3 Bb4 4. f3 Nc6 5. e4 e5 6. a3 Bxc3+ 7. bxc3 d6 8. d5 Na5 9. Bd3 b6 10. Bg5 Ba6 11. Qe2 h6 12. Bh4 Rc8 13. Nh3 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.31"]
[Round "5"]
[White "Antolak, Julia"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2287"]
[BlackElo "2391"]
[PlyCount "65"]
[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. h3 e5 7. Nde2 h5 8. g3 Be7 9. Bg2 Nbd7 10. Be3 b5 11. Nd5 Nxd5 12. Qxd5 Rb8 13. 0-0 Nf6 14. Qd2 Bb7 15. Nc3 b4 16. Nd5 Nxd5 17. exd5 0-0 18. f4 exf4 19. Rxf4 a5 20. Raf1 Qd7 21. Rf5 Rbe8 22. Bd4 f6 23. Qf4 g6 24. Qh6 gxf5 25. Qg6+ Kh8 26. Rxf5 Qxf5 27. Qxf5 Bd8 28. Be4 Rf7 29. Qxh5+ Kg8 30. Bg6 Re1+ 31. Kf2 Rfe7 32. Bd3 Re8 33. Qh7+ 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.30"]
[Round "4"]
[White "Sieciechowicz, Marcin"]
[Black "Puranik, Abhimanyu Sameer"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "2391"]
[BlackElo "2627"]
[PlyCount "84"]
[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. Nc3 Bb4 4. Qc2 d6 5. Bd2 0-0 6. a3 Bxc3 7. Bxc3 b6 8. Nf3 Bb7 9. e3 Nbd7 10. Be2 Ne4 11. 0-0 Nxc3 12. Qxc3 Qe7 13. Rfd1 e5 14. dxe5 dxe5 15. b4 a5 16. h3 h6 17. c5 axb4 18. axb4 Rxa1 19. Rxa1 bxc5 20. bxc5 Bxf3 21. Bxf3 Rb8 22. c6 Nf6 23. Rc1 g6 24. g3 Rb5 25. Qd3 Rb6 26. Bg2 Kg7 27. Rd1 Rb8 28. Qc3 h5 29. Rf1 Rb5 30. Rc1 Qd6 31. Qc4 Rb2 32. Qc5 Rb1 33. Kh2 Rxc1 34. Qxc1 Ng8 35. Kg1 Ne7 36. g4 h4 37. Qc4 f6 38. Bf3 Ng8 39. Bd5 Ne7 40. Bf3 Kh6 41. Kg2 Kg5 42. Kg1 Kh6 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.29"]
[Round "3"]
[White "Janik, Igor"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2514"]
[BlackElo "2391"]
[PlyCount "29"]
[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. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. Bc4 Bg7 8. d3 0-0 9. Nf3 a6 10. Qa3 Nb6 11. Qb3 Nxc4 12. dxc4 b5 13. 0-0 bxc4 14. Qxc4 e6 15. dxe6 1/2-1/2

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.28"]
[Round "2"]
[White "Sieciechowicz, Marcin"]
[Black "Valiyev, Shahin"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2391"]
[BlackElo "2158"]
[PlyCount "81"]
[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. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Be6 8. h4 Nd7 9. g5 h6 10. g6 Ngf6 11. Bd3 0-0 12. gxf7+ Bxf7 13. Qf3 Ne4 14. Nge2 Bb4 15. Bxe4 dxe4 16. Qg2 Kh8 17. a3 Bxc3+ 18. Nxc3 Nf6 19. Rg1 Rg8 20. Be5 Bh5 21. Nxe4 Qa5+ 22. Nc3 Rae8 23. f3 Rxe5 24. dxe5 Qxe5 25. 0-0-0 Qxe3+ 26. Qd2 Qxd2+ 27. Rxd2 Bxf3 28. Rf1 Bh5 29. Re1 Re8 30. Rxe8+ Bxe8 31. Rd8 Kh7 32. Ne4 Nxe4 33. Rxe8 Nd6 34. Re7 a5 35. h5 Kg8 36. Rd7 Ne4 37. Rxb7 Nf6 38. b4 axb4 39. a4 Ne4 40. Rxb4 Nc5 41. Rc4 1-0

[Event "Krakow op-A 34th"]
[Site "Krakow"]
[Date "2023.12.27"]
[Round "1"]
[White "Szczurek, Krzysztof"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "2175"]
[BlackElo "2391"]
[PlyCount "134"]
[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. Nf3 d5 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. h3 0-0 11. 0-0 Rc8 12. Rfc1 a6 13. Nd2 Na5 14. Ne2 Qd7 15. Be5 b5 16. Bxf6 Bxf6 17. a4 Nc4 18. b3 Nd6 19. axb5 axb5 20. Rxc8 Rxc8 21. Rc1 Ra8 22. Qc3 Be7 23. Qd3 h6 24. Nf3 b4 25. Ne5 Qb7 26. Nf4 Bf8 27. Ne2 Qb5 28. Rc5 Ra1+ 29. Rc1 Ra8 30. Rc5 Qxd3 31. Nxd3 Ne4 32. Rc2 Ra1+ 33. Ndc1 Rb1 34. g3 Bd6 35. Kg2 g5 36. Rc6 Rb2 37. Ra6 Kg7 38. Ra2 Rb1 39. Rc2 h5 40. Rc6 Rb2 41. Ra6 g4 42. h4 Rd2 43. Ra2 Rd1 44. Rc2 Kf6 45. Na2 Rb1 46. Nec1 Ke7 47. Kf1 Kd7 48. Ke2 f6 49. Kd3 e5 50. Re2 Ra1 51. Kc2 Nc3 52. Nxc3 bxc3 53. Nd3 Ra2+ 54. Kd1 Ra1+ 55. Kc2 e4 56. Nc5+ Bxc5 57. dxc5 Ra2+ 58. Kd1 Ra5 59. b4 Ra1+ 60. Kc2 Ra2+ 61. Kd1 Ra3 62. b5 Rb3 63. Rc2 f5 64. Ke2 f4 65. gxf4 d4 66. c6+ Kc7 67. Kf1 d3 0-1

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.10"]
[Round "7"]
[White "Rog, Bartlomiej"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2239"]
[BlackElo "2391"]
[PlyCount "75"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bb3 0-0 10. 0-0 Nc6 11. Be3 Na5 12. Qd3 Nxb3 13. cxb3 h6 14. Rac1 b5 15. Rfd1 Qd7 16. Nh4 Rfd8 17. Bb6 Rdb8 18. Be3 Rd8 19. Bb6 Rdc8 20. Nf5 Bxf5 21. exf5 b4 22. Ne4 Rxc1 23. Nxf6+ Bxf6 24. Rxc1 d5 25. Rc5 d4 26. Qe4 Rc8 27. Rxc8+ Qxc8 28. Qe1 Qxf5 29. Bc5 a5 30. a3 Qc2 31. axb4 d3 32. Be3 Bg5 33. f4 exf4 34. Bd2 axb4 35. Qe8+ Kh7 36. Qe4+ g6 37. Qe8 Qxb3 38. Qe4 0-1

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.09"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Moranda, Wojciech"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2391"]
[BlackElo "2564"]
[PlyCount "40"]
[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. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5 cxb5 6. Nc3 Qb6 7. Nd5 Qb7 8. Bf4 e5 9. Bxe5 Nd7 10. Bf4 Ngf6 11. Nc7+ Kd8 12. Nxa8 Qxe4+ 13. Ne2 Qxa8 14. f3 Nd5 15. Bd2 Bd6 16. Kf2 Re8 17. g3 N7f6 18. Bg2 Bc7 19. Re1 a5 20. Qc2 a4 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.08"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Fiedorek, Michal"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2391"]
[BlackElo "2309"]
[PlyCount "73"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 Na6 8. h4 c6 9. h5 Nc5 10. Qc2 cxd5 11. cxd5 Qa5 12. h6 Bh8 13. f3 Nh5 14. Rb1 Na6 15. g4 Ng3 16. Bxa6 Qxa6 17. Rh3 f5 18. gxf5 Nxf5 19. exf5 Bxf5 20. Qd1 Bxb1 21. Qxb1 e4 22. f4 Qc4 23. Nge2 Rae8 24. Qd1 b5 25. Bd4 Bxd4 26. Qxd4 Qxd4 27. Nxd4 Rxf4 28. Ne6 Rg4 29. Nxb5 Rb8 30. Rb3 Rg2 31. Nxd6 Rxb2 32. Rxb8+ Rxb8 33. Nxe4 Kf7 34. N6g5+ Ke7 35. Nxh7 Rb1+ 36. Kf2 Rh1 37. Nhf6 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.07"]
[Round "4"]
[White "Pycinski, Wladyslaw"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2040"]
[BlackElo "2391"]
[PlyCount "178"]
[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. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 Nf6 8. Nc3 g6 9. h3 Bg7 10. Qd3 0-0 11. 0-0 b5 12. Re1 bxc4 13. Qxc4 Qb6 14. Qe2 Rab8 15. Rb1 Rfc8 16. Bd2 Be6 17. b3 h6 18. Rbc1 Qb7 19. e5 Nd5 20. Nxd5 Bxd5 21. exd6 exd6 22. Bf4 Rxc1 23. Rxc1 Rd8 24. Ne1 Be4 25. f3 Bf5 26. Qd2 g5 27. Be3 Re8 28. Nc2 Bg6 29. Bd4 Be5 30. Bxe5 dxe5 31. Ne3 Qb6 32. Kh1 Qd4 33. Rd1 Qxd2 34. Rxd2 e4 35. fxe4 Bxe4 36. Nc4 Bg6 37. Kh2 h5 38. Kg3 Kg7 39. Kf2 f5 40. Re2 Rxe2+ 41. Kxe2 Kf6 42. g3 Bf7 43. h4 Bd5 44. hxg5+ Kxg5 45. Ne3 Bc6 46. Kf2 f4 47. Ng2 fxg3+ 48. Kxg3 Kf5 49. Ne3+ Ke4 50. Nc4 Kd4 51. Kh4 Bf3 52. Kg5 Be2 53. Nd6 Kc5 54. Ne4+ Kb4 55. Nd6 Ka3 56. Ne4 Bf3 57. Nc5 a5 58. Nd3 Kxa2 59. Ne5 Kxb3 60. Nxf3 Kc3 61. Ng1 Kd3 62. Nh3 Ke3 63. Nf4 h4 64. Ng2+ Kd2 65. Nxh4 a4 66. Nf3+ Kc3 67. Ng1 a3 68. Ne2+ Kb2 69. Nf4 a2 70. Nd3+ Kc3 71. Nf4 a1Q 72. Kf5 Qf1 73. Ke4 Kc4 74. Ne6 Qe1+ 75. Kf5 Qf2+ 76. Ke4 Qe2+ 77. Kf5 Qf3+ 78. Ke5 Qe3+ 79. Kd6 Qe4 80. Nc7 Qg6+ 81. Ne6 Qf6 82. Kd7 Kd5 83. Nc7+ Ke5 84. Nb5 Qb6 85. Nc7 Qb7 86. Kd8 Kd6 87. Ne8+ Kc6 88. Nf6 Qf7 89. Nd7 Qxd7# 0-1

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.06"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Gibala, Adam"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2391"]
[BlackElo "2025"]
[PlyCount "81"]
[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. d4 e6 2. Bf4 c5 3. e3 d5 4. c3 Nc6 5. Nf3 Bd6 6. Bg3 Nge7 7. Bd3 Ng6 8. Nbd2 0-0 9. 0-0 b6 10. Rc1 Bb7 11. a3 a5 12. Qe2 Qe7 13. c4 cxd4 14. cxd5 exd5 15. exd4 Bxg3 16. fxg3 Qd6 17. Qf2 Ba6 18. Bxa6 Rxa6 19. Nb1 Qd7 20. Qe2 Raa8 21. Qb5 Nge7 22. Rf2 Qb7 23. Nc3 Rac8 24. Re1 Rfd8 25. Qd3 h6 26. g4 Ng6 27. g3 Qd7 28. Qf5 Nce7 29. Qh5 f6 30. Rfe2 b5 31. Nh4 Kh7 32. Nf5 Ng8 33. Ne3 N8e7 34. Nf5 Ng8 35. Qh3 b4 36. axb4 axb4 37. Nd1 Re8 38. Qg2 N8e7 39. Qf3 Qa7 40. Qd3 Rcd8 41. Nxe7 1-0

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.05"]
[Round "2"]
[White "Krol, Jan"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1851"]
[BlackElo "2391"]
[PlyCount "93"]
[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 Bc5 4. c3 Nf6 5. d3 0-0 6. Nbd2 a6 7. Bb3 Ba7 8. Nf1 d5 9. Qe2 h6 10. Ng3 Be6 11. 0-0 dxe4 12. dxe4 Bxb3 13. axb3 Qd7 14. Be3 Bxe3 15. Qxe3 Rfd8 16. Qe2 Qe6 17. Qc2 a5 18. h3 Nd7 19. Nf5 b6 20. b4 Nf6 21. bxa5 Nxa5 22. Ne3 Nb7 23. Rxa8 Rxa8 24. Rd1 c6 25. Nf5 Kh7 26. b4 g6 27. Ne3 Nd6 28. Nd2 Nh5 29. c4 Nf4 30. Nb3 Ne8 31. Kh2 Nf6 32. c5 bxc5 33. Nxc5 Qe7 34. Nc4 Ne6 35. Rd6 Nd4 36. Qd1 Ra2 37. f4 h5 38. Rxd4 exd4 39. Qxd4 Ng4+ 40. Kg3 Nf6 41. Ne5 Ra3+ 42. Nf3 Kg8 43. Kh2 h4 44. Ne5 Nh5 45. Ncd7 Ra2 46. Ng4 f5 47. Nge5 1/2-1/2

[Event "POL-ch sf"]
[Site "Karpacz"]
[Date "2023.12.04"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Rekuc, Patryk"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2391"]
[BlackElo "1974"]
[PlyCount "131"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 b5 7. Nge2 bxc4 8. Nf4 e5 9. Nfe2 Nbd7 10. Ng3 Nb6 11. Be2 Bd7 12. 0-0 h5 13. Bg5 h4 14. Nh1 Qc7 15. Qc2 Ng8 16. a4 a5 17. Nd1 f6 18. Bc1 g5 19. Ne3 Ne7 20. Nxc4 Nxc4 21. Bxc4 Kf7 22. Nf2 Qb6 23. Ng4 Rag8 24. Be3 Qd8 25. Qe2 Qb8 26. Qd3 Qb6 27. Rfd1 Qb8 28. Qf1 Qc8 29. Qe2 Ng6 30. Bb5 Nf4 31. Bxf4 gxf4 32. Bxd7 Qxd7 33. h3 Qb7 34. Qc4 Rb8 35. Kf2 Qd7 36. Rd3 Rb6 37. Ke2 Qb7 38. Kd1 Qa6 39. Qxa6 Rxa6 40. Rc1 Rb6 41. Rc4 Kg6 42. Ke2 Rhb8 43. Kf1 R8b7 44. Rd1 Rb8 45. Ke2 R8b7 46. Nf2 Rb8 47. Nd3 Kf7 48. Rf1 Rg8 49. Rf2 Rgb8 50. Kd1 R8b7 51. Re2 Rb8 52. Rec2 R8b7 53. Ke2 Rb8 54. Rc1 R8b7 55. Ra1 Rb8 56. Rc2 Rg8 57. Kf1 Rgb8 58. b3 Ke7 59. Nb2 Rg8 60. Nd3 Rgb8 61. Raa2 R8b7 62. Rc4 Rb8 63. Nf2 Kf7 64. Ng4 Kg6 65. Nf2 Kf7 66. Ng4 1/2-1/2

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.12"]
[Round "9"]
[White "Sieciechowicz, Marcin"]
[Black "Kaczmarek, Aleksander"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "2407"]
[BlackElo "2331"]
[PlyCount "88"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 d6 7. e4 h6 8. Bd3 e5 9. Ne2 c5 10. 0-0 Nc6 11. Be3 b6 12. d5 Na5 13. Ng3 Qe8 14. a4 Bd7 15. h3 Nh7 16. Ra2 g5 17. Kh2 f6 18. Nh1 Kg7 19. Qc2 Rh8 20. Ng3 h5 21. h4 gxh4 22. Nf5+ Bxf5 23. exf5 Ng5 24. Qf2 Nf7 25. Qxh4 Qd8 26. Rh1 Kf8 27. Kg1 Ke7 28. Rh3 Rg8 29. Qxh5 Qd7 30. Qh4 Rh8 31. Qg3 Rag8 32. Qh2 Qc8 33. g4 e4 34. Bxe4 Nxc4 35. Bf4 Nce5 36. Rxh8 Rxh8 37. Qe2 Rh3 38. a5 Qh8 39. Qg2 Qh4 40. Re2 Ng5 41. axb6 axb6 42. Rf2 Nxe4 43. fxe4 Nd3 44. g5 Rh1+ 0-1

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.11"]
[Round "8"]
[White "Morais, Miguel Almeida"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1986"]
[BlackElo "2407"]
[PlyCount "138"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. 0-0 Nc6 7. Nbd2 Nxd4 8. Nxc4 Nxf3+ 9. Bxf3 Qxd1 10. Rxd1 Be7 11. Na5 Nd5 12. e4 Nb6 13. Bf4 c6 14. Rac1 Nd7 15. Bc7 Bd8 16. Bxd8 Kxd8 17. e5 Ke7 18. Nc4 f6 19. Re1 Nxe5 20. Nxe5 fxe5 21. Rxe5 Bd7 22. Rce1 Rhf8 23. Bg4 Rf6 24. b4 Rd8 25. a4 Bc8 26. b5 Rd4 27. Bd1 axb5 28. axb5 Kd6 29. bxc6 bxc6 30. f4 c5 31. Bg4 Bd7 32. Rc1 Bc6 33. Rexc5 Bd5 34. R5c2 g5 35. fxg5 Rg6 36. Bh3 Rxg5 37. Bg2 h5 38. Rf2 h4 39. Bxd5 exd5 40. Rc3 h3 41. Rf6+ Ke5 42. Rcf3 Rd1+ 43. Rf1 Rxf1+ 44. Rxf1 Ke4 45. Rf8 d4 46. Kf2 Rc5 47. Re8+ Kd3 48. g4 Kc2 49. Re2+ Kc3 50. Re1 Ra5 51. Rc1+ Kd2 52. Rg1 d3 53. Kg3 Rd5 54. Kxh3 Ke3 55. g5 Kf2 56. Rd1 Rd4 57. g6 Ke2 58. Rg1 d2 59. Rg2+ Ke3 60. Rg1 d1Q 61. Rxd1 Rxd1 62. Kg4 Ke4 63. Kg5 Ke5 64. h4 Rg1+ 65. Kh6 Kf6 66. h5 Rg5 67. g7 Rg3 68. Kh7 Rxg7+ 69. Kh6 Rg5 0-1

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.10"]
[Round "7"]
[White "Sieciechowicz, Marcin"]
[Black "Chitlange, Sakshi"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2407"]
[BlackElo "2224"]
[PlyCount "124"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 h6 7. Bh4 Be7 8. e3 0-0 9. Bd3 Re8 10. h3 a5 11. Nf3 Nbd7 12. 0-0 Bd6 13. Rae1 Be7 14. Bg3 Nf8 15. Ne5 Bd7 16. Na4 Ne6 17. Bh4 Ra7 18. Rc1 Bc8 19. f4 Nf8 20. Qb3 N6d7 21. Bg3 Nxe5 22. fxe5 Ne6 23. Bb1 g6 24. Nb6 Ra6 25. Nxc8 Qxc8 26. Bd3 Ra8 27. Qc2 Rf8 28. h4 h5 29. Rf3 Kg7 30. Qf2 Qe8 31. Rf1 Rc8 32. Kh2 Rc7 33. a4 Rd7 34. Bb1 Bd8 35. Qc2 Rc7 36. Be1 b6 37. Qf2 Rd7 38. Bd3 Qe7 39. Qg3 Qe8 40. b3 Rc7 41. Qh3 Rh8 42. Kg1 Rd7 43. g4 hxg4 44. Qxg4 Rh6 45. Bf5 Kg8 46. Kg2 Rh5 47. Bd3 Rh6 48. Bf5 Rh5 49. Bg3 Rh6 50. R3f2 Rh5 51. Bxe6 Qxe6 52. Qxe6 fxe6 53. Rf8+ Kg7 54. Re8 Be7 55. Rf4 Rh8 56. Rxh8 Kxh8 57. Rf1 Kg7 58. Kf3 Rd8 59. Rc1 Rc8 60. Kg4 Kf7 61. Rf1+ Kg7 62. Rc1 Kf7 1/2-1/2

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.09"]
[Round "6"]
[White "Padeiro, Jose Joao Tato"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2121"]
[BlackElo "2407"]
[PlyCount "68"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c5 5. Bg2 Nc7 6. d3 e5 7. Be3 Be7 8. Rc1 0-0 9. Ne4 Ne6 10. Qd2 f5 11. Nxc5 f4 12. gxf4 exf4 13. Nxe6 Bxe6 14. Bc5 Bxc5 15. Rxc5 Nd7 16. Rc3 Qg5 17. Bxb7 Rab8 18. Nf3 Qa5 19. Be4 Qa4 20. a3 Qxa3 21. b4 Qa2 22. Qxa2 Rxb4 23. 0-0 Bxa2 24. Ra3 Nf6 25. Rxa2 Nxe4 26. Rc2 Nc3 27. Rfc1 Nb5 28. Ra1 h6 29. Kg2 Kh7 30. Ra5 Rf6 31. Ra1 a6 32. Rca2 Nc3 33. Rc2 Nb5 34. Rca2 Nc3 1/2-1/2

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.08"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Jacobsen, Mikkel Manosri"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2407"]
[BlackElo "2261"]
[PlyCount "75"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Be7 9. Qe2 0-0 10. h3 Ne4 11. Nxe4 Bxe4 12. Rd1 a5 13. Bd2 Nb6 14. Bb3 Nd5 15. Ne5 Nb4 16. Bc3 Bd5 17. Bc2 Nxc2 18. Qxc2 f6 19. Nd3 Qb6 20. Nc5 Bxc5 21. dxc5 Qxc5 22. e4 Bc4 23. b4 Qh5 24. bxa5 Ba6 25. Rd6 Rad8 26. Rad1 Rxd6 27. Rxd6 Qc5 28. Qd2 Qc4 29. e5 f5 30. Rd7 h6 31. Rd4 Qf1+ 32. Kh2 Bc4 33. Bb4 Bd5 34. Rxd5 cxd5 35. Bxf8 Kxf8 36. Qb4+ Kg8 37. Qxb7 Qxf2 38. a6 1/2-1/2

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.07"]
[Round "4"]
[White "Anustoop, Biswas"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2256"]
[BlackElo "2407"]
[PlyCount "62"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Bd6 9. Qe2 e5 10. exd5 cxd5 11. c4 Nf6 12. cxd5 Nxd5 13. Nc4 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 0-0 16. Bxh7+ Kxh7 17. Qxd5 Be6 18. Qxd8 Rfxd8 19. Ne3 f5 20. 0-0 Rd2 21. b3 f4 22. Nc4 Bxc4 23. bxc4 Rc8 24. Rfc1 Rc5 25. Rd1 Rxd1+ 26. Rxd1 Rxc4 27. f3 Ra4 28. Rd5 Rxa2 29. Rxe5 Ra1+ 30. Kf2 Ra2+ 31. Kg1 Ra1+ 1/2-1/2

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.07"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Lalith, Babu MR"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2407"]
[BlackElo "2533"]
[PlyCount "70"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 Nc6 5. e4 d5 6. cxd5 exd5 7. e5 Ng8 8. f4 Nge7 9. Be3 Bf5 10. Nf3 Qd7 11. Rc1 0-0 12. Be2 Na5 13. Bf2 Ng6 14. g3 Nc4 15. Qb3 Ba5 16. 0-0 c6 17. Bxc4 dxc4 18. Qxc4 Bh3 19. d5 Bxf1 20. Rxf1 cxd5 21. Qxd5 Qxd5 22. Nxd5 Rfe8 23. Bc5 Bd8 24. Nd4 Ne7 25. Bxe7 Bxe7 26. Nc7 Bc5 27. Rd1 Bxd4+ 28. Rxd4 Red8 29. Nd5 Kf8 30. f5 Rac8 31. e6 fxe6 32. fxe6 Ke8 33. b4 Rc2 34. a4 a5 35. e7 Rd7 0-1

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.06"]
[Round "2"]
[White "Andias, Joao Pedro Menezes"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2069"]
[BlackElo "2407"]
[PlyCount "100"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 0-0 8. d3 b6 9. a4 Bb7 10. Na3 d6 11. h4 Qd7 12. h5 Na5 13. h6 Bh8 14. Qc2 Bc6 15. Nc4 Nxc4 16. dxc4 Rad8 17. Bg5 f6 18. Bf4 g5 19. Be3 Qe8 20. Bh3 Bd7 21. Rfd1 Qh5 22. Rxd6 Qxh3 23. Rad1 e5 24. Nh2 Nc6 25. R1d2 Nd4 26. cxd4 exd4 27. Bxd4 Bxa4 28. Qxa4 Rxd6 29. Bxc5 Rxd2 30. Bxf8 Qd7 31. Qxd7 Rxd7 32. Ba3 Rd4 33. Nf1 Rxc4 34. Ne3 Rxe4 35. Nf5 Re1+ 36. Kg2 g4 37. Bb4 Re5 38. Ne7+ Rxe7 39. Bxe7 Kf7 40. Ba3 Kg6 41. b4 a5 42. bxa5 bxa5 43. Bb2 Kxh6 44. f3 Kg5 45. Kf2 gxf3 46. Kxf3 h5 47. Bc3 a4 48. Bd4 a3 49. Bc5 a2 50. Bd4 Bg7 0-1

[Event "Figueira da Foz op 17th"]
[Site "Figueira da Foz"]
[Date "2023.11.05"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Silva, Ana Ines Teixeira D"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2407"]
[BlackElo "1827"]
[PlyCount "91"]
[EventDate "2023.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 h6 7. Bh4 Be7 8. e3 0-0 9. Bd3 Re8 10. Nge2 a5 11. 0-0 Nbd7 12. f3 b5 13. Bf2 Ba6 14. h3 Nb6 15. a4 b4 16. Bxa6 Rxa6 17. Na2 Nc4 18. b3 Nd6 19. Nac1 Nd7 20. Nd3 Bh4 21. Nef4 Nf5 22. Rfe1 Bxf2+ 23. Qxf2 Nf6 24. Nc5 Ra7 25. e4 Ne7 26. Rad1 g5 27. Nfd3 Ng6 28. e5 Nd7 29. Rc1 Nxc5 30. Rxc5 Re6 31. Rec1 Ne7 32. f4 f5 33. fxg5 hxg5 34. h4 Rg6 35. hxg5 Rxg5 36. Nf4 Qe8 37. Qh4 Rg4 38. Qh6 Ng6 39. Nh5 Rf7 40. Rxc6 Ne7 41. Nf6+ Rxf6 42. Rxf6 Rg7 43. Rc7 Rh7 44. Qg5+ Rg7 45. Qh4 Qd8 46. Rh6 1-0

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.10.01"]
[Round "9.5"]
[White "Kokoszczynski, Jan"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2232"]
[BlackElo "2398"]
[PlyCount "46"]
[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 "Gostynin Gostmat 83"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c6 6. 0-0 d5 7. cxd5 cxd5 8. Nc3 Ne4 9. Ne5 Bf5 10. Bf4 Nxc3 11. bxc3 Nc6 12. Qb3 Nxe5 13. Bxe5 Bxe5 14. dxe5 e6 15. Qxb7 Qa5 16. Qb4 Qxb4 17. cxb4 Rfb8 18. a3 a5 19. bxa5 Rxa5 20. Ra2 Bb1 21. Ra1 Bf5 22. Ra2 Bb1 23. Ra1 Bf5 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.30"]
[Round "8.7"]
[White "Sieciechowicz, Marcin"]
[Black "Paprocki, Jaroslaw"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2398"]
[BlackElo "2167"]
[PlyCount "77"]
[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 "Gostynin Gostmat 83"]
[BlackTeam "Bydgoszcz Wiartrak"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Nge2 h5 10. h4 g4 11. Be5 f6 12. Bf4 Nc6 13. Rc1 Ba5 14. a3 Be6 15. b4 Nxc3 16. Nxc3 Bb6 17. Bb5 Kf7 18. Bxc6 bxc6 19. 0-0 Qe7 20. Na4 Bd7 21. Qb3 a5 22. b5 cxb5 23. Nxb6 cxb6 24. Rc7 Qe6 25. Qxb5 Ke8 26. Qb1 f5 27. Rb7 b5 28. Rc1 b4 29. axb4 a4 30. b5 a3 31. Qa2 Rg8 32. Kh2 Rg7 33. Rcc7 Kf8 34. Kg3 Rf7 35. b6 Be8 36. Ra7 Rxa7 37. bxa7 Qa6 38. Qxd5 Rxc7 39. a8Q 1-0

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.29"]
[Round "7.5"]
[White "Pacan Milej, Kosma"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2412"]
[BlackElo "2398"]
[PlyCount "83"]
[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 "Opole Rodlo"]
[BlackTeam "Gostynin Gostmat 83"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Be2 b6 7. 0-0 Bb7 8. b3 Bd6 9. Bb2 0-0 10. a4 a6 11. Qc2 dxc4 12. bxc4 c5 13. d5 exd5 14. cxd5 Qc7 15. Rad1 Rad8 16. h3 Rfe8 17. Rfe1 Ne5 18. Nh4 c4 19. Nf5 Bb4 20. e4 Qc5 21. Bf1 Bc8 22. Nd4 Bd7 23. Re3 Rc8 24. Na2 a5 25. Nc3 h6 26. Ndb5 Rcd8 27. Bc1 Ng6 28. Re2 Rb8 29. Be3 Qe7 30. Bd4 Nh5 31. e5 Ngf4 32. Re3 Qg5 33. Kh2 Bxb5 34. axb5 Red8 35. d6 Ne6 36. Nd5 Nhf4 37. Rg3 Nxd4 38. Rxd4 Qxe5 39. Rxf4 Rxd6 40. Rf5 Qd4 41. Nxb4 axb4 42. Qxc4 1-0

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.28"]
[Round "6.4"]
[White "Sieciechowicz, Marcin"]
[Black "Chylewski, Patryk"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2398"]
[BlackElo "2284"]
[PlyCount "33"]
[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 "Gostynin Gostmat 83"]
[BlackTeam "Chylice Laura"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. h3 Bh5 6. d3 Nbd7 7. Qe1 e5 8. e4 dxe4 9. dxe4 Bc5 10. Nbd2 0-0 11. Nh4 Re8 12. a4 Bf8 13. Nc4 Nc5 14. Nf5 Qc7 15. Bg5 Nfd7 16. b3 Ne6 17. Be3 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.27"]
[Round "5.2"]
[White "Sieciechowicz, Marcin"]
[Black "Dziuba, Marcin"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2398"]
[BlackElo "2519"]
[PlyCount "48"]
[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 "Gostynin Gostmat 83"]
[BlackTeam "Bydgoszcz Energia Gwiazda"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 11. g3 Qh5 12. 0-0 g5 13. cxd5 Bxc3 14. bxc3 exd5 15. Be3 Nxe5 16. f3 Nc5 17. Bf5 Ne6 18. Rae1 Nxd4 19. Bxd4 Nc6 20. f4 gxf4 21. Rxf4 Bxf5 22. Rxf5 Nxd4 23. cxd4 Qg6 24. Ree5 h6 1/2-1/2

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.26"]
[Round "4.2"]
[White "Kozak, Antoni"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2427"]
[BlackElo "2398"]
[PlyCount "52"]
[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 "Sedziszow Malopolski"]
[BlackTeam "Gostynin Gostmat 83"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 0-0 6. Re1 d6 7. c3 a6 8. a4 Be6 9. Bxe6 fxe6 10. d4 Ba7 11. Be3 exd4 12. cxd4 Ng4 13. Bg5 Nxf2 14. Qd2 Nh3+ 15. gxh3 Qe8 16. Ra3 Rxf3 17. Rxf3 Nxd4 18. Kg2 Nxf3 19. Kxf3 Qh5+ 20. Kg2 Rf8 21. Bf4 e5 22. Qd5+ Kh8 23. Qxb7 exf4 24. Qxa7 f3+ 25. Kg1 Qg5+ 26. Kh1 Qg2# 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.25"]
[Round "3.4"]
[White "Psyk, Radoslaw"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2460"]
[BlackElo "2398"]
[PlyCount "128"]
[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. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. c3 Nxd4 10. cxd4 Be6 11. Qd3 Qd7 12. Qg3 Be7 13. Bg5 f6 14. exf6 gxf6 15. Bf4 Rg8 16. Qe3 Kf7 17. Nc3 Rae8 18. Qf3 c6 19. Qh5+ Kg7 20. Rfe1 Bf5 21. Re3 Bg6 22. Qh4 Bd8 23. Rf3 Kh8 24. Be3 a5 25. Ne2 Be4 26. Rg3 Qe7 27. Nf4 Qf7 28. Qh6 Bc7 29. Rc1 Bd6 30. Bd2 Bc7 31. Re1 Bf5 32. Rge3 Re4 33. Rxe4 Bxe4 34. g3 Bb6 35. Bc3 Bc7 36. Bd2 Bb6 37. Bc3 Bc7 38. Re3 Rg5 39. Qh4 Bf5 40. f3 Bd7 41. b4 b6 42. Kf2 Kg8 43. Bd2 axb4 44. Bxb4 c5 45. Bc3 Bd6 46. Kg2 c4 47. Re2 Bxa4 48. Ne6 Rh5 49. Qg4+ Qg6 50. Nc7 Qxg4 51. fxg4 Rg5 52. Ne8 Bxe8 53. Rxe8+ Kf7 54. Rd8 Ke6 55. Re8+ Kd7 56. Ra8 Rxg4 57. Ra7+ Kc6 58. Rf7 Rg6 59. Rxh7 b5 60. Be1 b4 61. Kf3 b3 62. Bc3 Bb4 63. Ba1 c3 64. Ke2 b2 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.24"]
[Round "2.1"]
[White "Sieciechowicz, Marcin"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "E35"]
[WhiteElo "2398"]
[BlackElo "2550"]
[PlyCount "72"]
[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 "Gostynin Gostmat 83"]
[BlackTeam "Gorzow Wielkopolski Stilon"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Nc6 8. e3 g5 9. Bg3 h5 10. h3 Ne4 11. Bh2 Qe7 12. Bb5 Bf5 13. Qc1 0-0-0 14. Bxc6 bxc6 15. Nge2 g4 16. a3 Bxc3+ 17. Nxc3 Kd7 18. Bf4 gxh3 19. gxh3 Rhg8 20. Na4 Nxf2 21. Nc5+ Qxc5 22. dxc5 Nd3+ 23. Kd2 Nxc1 24. Raxc1 Rg2+ 25. Kc3 Re8 26. h4 Re4 27. Kb3 Be6 28. Rhd1 d4+ 29. Ka4 Rxb2 30. Rxd4+ Rxd4+ 31. exd4 Rb5 32. Rc3 Kc8 33. Re3 Kb7 34. Rc3 Ka6 35. Bxc7 Rb1 36. Be5 Bg4 0-1

[Event "POL-chT 1st League"]
[Site "Leba"]
[Date "2023.09.23"]
[Round "1.6"]
[White "Krzywda, Andrzej"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2210"]
[BlackElo "2398"]
[PlyCount "86"]
[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 "Chroscice Victoria"]
[BlackTeam "Gostynin Gostmat 83"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "POL"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 b6 10. Bd2 c4 11. b4 Nxb4 12. cxb4 Bxb4 13. Qc2 Bxd2+ 14. Nxd2 b5 15. Nc3 b4 16. Nd1 Qb6 17. Nf3 Nb8 18. Ne3 Nc6 19. Rd1 0-0 20. Ng5 g6 21. Nf3 a5 22. Bxc4 dxc4 23. Nxc4 Qa7 24. Nd6 Ne7 25. 0-0 Bb7 26. Kh1 Bd5 27. f5 Nxf5 28. Nxf5 exf5 29. Qd2 Rac8 30. Qh6 Rc2 31. Rd2 Rxd2 32. Qxd2 Rc8 33. Re1 Qc7 34. Qf4 Qc3 35. Rd1 Qc2 36. Re1 Qxa2 37. e6 Bxe6 38. Ng5 Bd5 39. Rg1 Qe2 40. Qg3 b3 41. Nh3 Qg4 42. Qe3 Qe4 43. Qh6 b2 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "8"]
[White "Janik, Igor"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2517"]
[BlackElo "2398"]
[PlyCount "81"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Nc3 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Rc8 10. Bd3 e6 11. Nf3 Bb4 12. 0-0 Nh5 13. Be5 f6 14. Bg3 Nxg3 15. hxg3 g6 16. Rac1 0-0 17. Qe2 Qe7 18. Nb1 Bd6 19. Nbd2 f5 20. a3 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. b4 Nc6 24. Nb3 Qc7 25. Qb2 a5 26. b5 Nd8 27. a4 Nf7 28. Nc1 b6 29. Bc2 g5 30. Nd3 g4 31. Nfe1 Be7 32. Bb3 Bd7 33. Nf4 Bb4 34. Ned3 Qc3 35. Qxc3 Bxc3 36. Bxd5 exd5 37. Nxd5 Bxb5 38. axb5 Ba1 39. Nxb6 Nd6 40. Na4 Nxb5 41. Ndc5 1-0

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "3"]
[White "Jarzebowski, Kacper"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2145"]
[BlackElo "2398"]
[PlyCount "48"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Be3 e5 7. d5 Nc5 8. f3 a5 9. g4 h5 10. Bg2 hxg4 11. fxg4 Nxg4 12. hxg4 Rxh1 13. Bxh1 Qh4+ 14. Kd2 Qxh1 15. Nge2 Nxe4+ 16. Nxe4 Qxe4 17. Nc3 Qg2+ 18. Qe2 Qxe2+ 19. Kxe2 Bxg4+ 20. Kf2 Kd7 21. Rg1 Bf5 22. Ne2 Bd3 23. b3 Bxe2 24. Kxe2 Rh8 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "6"]
[White "Kosakowski, Jakub"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2494"]
[BlackElo "2398"]
[PlyCount "72"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Bc1 c5 9. Ne2 b6 10. f3 Ng5 11. Nf4 Ba6 12. Bxa6 Nxa6 13. h4 Nh7 14. Qd3 c4 15. Qd2 Qd7 16. Rh3 0-0-0 17. Rg3 Rhg8 18. Ba3 Nc7 19. Kf2 Kb7 20. Nh5 g6 21. Nf4 Qa4 22. Bc1 Nb5 23. Ne2 g5 24. hxg5 Nxg5 25. Bb2 Rg7 26. Nf4 Rdg8 27. Nh5 Rg6 28. a3 a5 29. Rh1 Nxa3 30. Bxa3 Qxa3 31. Nf6 Nxf3 32. gxf3 Rxg3 33. Nxg8 Rxg8 34. Qf4 Qe7 35. Rxh6 Qg5 36. Qxf7+ Ka6 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "1"]
[White "Prokopiuk, Jakub"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1525"]
[BlackElo "2398"]
[PlyCount "62"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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. e5 c5 4. c3 Qb6 5. a3 Nc6 6. Nf3 c4 7. Be2 Bd7 8. 0-0 Nge7 9. Nbd2 Na5 10. Re1 Qc7 11. Qc2 Nc8 12. Qb1 Nb6 13. Bd1 Be7 14. Re3 h6 15. b4 cxb3 16. Nxb3 Nbc4 17. Re1 Nxb3 18. Bxb3 0-0-0 19. Bxc4 Qxc4 20. Bd2 g5 21. h3 Rdg8 22. Qa2 Qxa2 23. Rxa2 h5 24. g4 Bb5 25. Be3 Bd3 26. Nd2 hxg4 27. hxg4 Rh4 28. f3 Rgh8 29. Nf1 Rh1+ 30. Kf2 Bxf1 31. Rxf1 R1h2+ 0-1

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Bartel, Michal"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2398"]
[BlackElo "2252"]
[PlyCount "73"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Nf6 13. Re1 Bg4 14. Bf1 Nbd7 15. h3 Bxf3 16. Qxf3 Rfe8 17. Bd2 a6 18. Rad1 Qd8 19. Kh2 Qb6 20. Bc1 Qb4 21. Re3 c4 22. Rde1 Nh5 23. Kg2 Bd4 24. R3e2 Nc5 25. Be3 Bxe3 26. Qxe3 Nxa4 27. Nxa4 Qxa4 28. g4 Nf6 29. Qd4 Nd7 30. e5 dxe5 31. fxe5 Rad8 32. e6 fxe6 33. Rxe6 Nf8 34. Re7 Rxe7 35. Rxe7 Qc2+ 36. Kg1 Ne6 37. Qf6 1-0

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "7"]
[White "Sieciechowicz, Marcin"]
[Black "Gumularz, Szymon"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2398"]
[BlackElo "2587"]
[PlyCount "115"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 Nd7 4. Nc3 g6 5. e4 a5 6. Be3 Bh6 7. Bxh6 Nxh6 8. Qd2 Ng4 9. h3 Ngf6 10. g4 Nc5 11. Bg2 0-0 12. Nge2 c6 13. dxc6 bxc6 14. Rd1 Ne8 15. 0-0 a4 16. f4 exf4 17. Qxf4 Qe7 18. Nd4 Ra6 19. Rfe1 f6 20. Kh1 Rb6 21. Qd2 Bd7 22. Qc2 Ra6 23. b4 axb3 24. axb3 Ne6 25. Nxe6 Bxe6 26. Qd3 Qa7 27. Ne2 Rf7 28. Nd4 Bd7 29. Rd2 Re7 30. Rf1 Ra1 31. Rxa1 Qxa1+ 32. Rd1 Qa6 33. b4 Qb6 34. b5 cxb5 35. Nxb5 Bxb5 36. cxb5 Re5 37. Qc4+ Kg7 38. Rd5 Re7 39. Qd4 Qxd4 40. Rxd4 Rb7 41. Bf1 Kf7 42. Rb4 Nc7 43. Bc4+ Ke7 44. Kg2 Na6 45. Rb3 Nc5 46. Ra3 Nd7 47. Kf2 Rc7 48. Bd5 g5 49. Ke3 Rc5 50. Ra7 Kd8 51. Bc6 Ne5 52. Rxh7 Nxc6 53. bxc6 Rxc6 54. Kd4 Rc7 55. Rh6 Ke7 56. Rh7+ Kd8 57. Rh6 Ke7 58. Rh7+ 1/2-1/2

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "2"]
[White "Sieciechowicz, Marcin"]
[Black "Kroliczek, Gabriela"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2398"]
[BlackElo "1956"]
[PlyCount "116"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Ne2 0-0 8. Nc3 Qd6 9. Be2 c5 10. Ne4 Qc6 11. Nxc5 Qxg2 12. Bf3 Qh3 13. Nxb7 Nd7 14. Na5 Ba6 15. Bg4 Qg2 16. Qf3 Qxf3 17. Bxf3 Rac8 18. Nc6 Rfe8 19. Bd2 Nb6 20. Nb4 Bb5 21. Be2 Bxe2 22. Kxe2 e5 23. dxe5 Bxe5 24. Nd3 Bf6 25. Rac1 Na4 26. b3 Nc3+ 27. Bxc3 Bxc3 28. Rc2 Ba5 29. Rhc1 Rcd8 30. b4 Bb6 31. a4 Rd5 32. Rc8 Rxc8 33. Rxc8+ Kg7 34. a5 Bd8 35. Ra8 Bc7 36. h3 Bxa5 37. e4 Rd8 38. Rxa7 Bb6 39. Rb7 Rd6 40. Ne5 Rf6 41. f3 Bd4 42. Nc4 h5 43. Rd7 Bg1 44. b5 h4 45. Rd6 Rxd6 46. Nxd6 Kf6 47. Nc4 Ke6 48. f4 f6 49. Kf3 Bh2 50. b6 Kd7 51. Kg4 Kc6 52. e5 fxe5 53. fxe5 Bg3 54. Kg5 Bf2 55. Kxg6 Kd5 56. Kf7 Kxc4 57. b7 Ba7 58. e6 Kd5 1-0

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "4"]
[White "Sieciechowicz, Marcin"]
[Black "Malicka, Maria"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2398"]
[BlackElo "2218"]
[PlyCount "140"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Ne2 0-0 8. Nc3 Qa5 9. Be2 c5 10. d5 b5 11. d6 Bb7 12. 0-0 exd6 13. Nxb5 Rd8 14. Bd2 Qb6 15. Bc3 Na6 16. Bxg7 Kxg7 17. Qd2 Qc6 18. e4 Qxe4 19. Bf3 Qe7 20. Rfe1 Qd7 21. Bxb7 Qxb7 22. Nxd6 Qb4 23. Qd3 Qd4 24. Qxa6 Rxd6 25. Qe2 Rad8 26. h3 Re6 27. Qc2 Qd2 28. Qxd2 Rxd2 29. Rxe6 fxe6 30. b3 Kf6 31. Rc1 Rxa2 32. Rxc5 Rb2 33. Rb5 h5 34. g4 hxg4 35. hxg4 e5 36. Kg2 Ke6 37. Kf3 Kf6 38. Ke3 Kg5 39. f3 Kf6 40. Rb7 Ke6 41. Ke4 Re2+ 42. Kd3 Rf2 43. Ke3 Rb2 44. Rb8 Kf6 45. Ke4 Re2+ 46. Kd3 Rf2 47. Ke3 Rb2 48. Rb5 Ke6 49. b4 Kf6 50. Rb7 Ke6 51. b5 Rb3+ 52. Ke4 Rb4+ 53. Kd3 Rb1 54. Kc4 Rc1+ 55. Kb3 Rb1+ 56. Kc2 Rb4 57. Kc3 Rb1 58. Kd3 Kd5 59. Rxa7 Rxb5 60. Ra6 Rb3+ 61. Ke2 Rb2+ 62. Ke3 Rb3+ 63. Kf2 e4 64. Ra5+ Ke6 65. fxe4 Kf6 66. Rd5 Ra3 67. g5+ Ke6 68. Ke2 Rb3 69. Rd3 Rb5 70. Kf3 Ke5 1/2-1/2

[Event "Warsaw Szansa rapid op"]
[Site "Warsaw"]
[Date "2023.09.17"]
[Round "9"]
[White "Sieciechowicz, Marcin"]
[Black "Padalka, Artem"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "2398"]
[BlackElo "2181"]
[PlyCount "83"]
[EventDate "2023.09.17"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. a3 Bxc3+ 7. Qxc3 Nxc5 8. f3 a5 9. e4 a4 10. Be3 Nb3 11. Rd1 0-0 12. e5 Ne8 13. Bd3 f6 14. Ne2 fxe5 15. Qxe5 Ra5 16. Qc3 Qh4+ 17. Ng3 d5 18. cxd5 exd5 19. Bc2 d4 20. Bxb3+ axb3 21. Qxa5 dxe3 22. 0-0 Qf6 23. Qd5+ Be6 24. Qd4 Qxd4 25. Rxd4 Nc7 26. Re1 Nd5 27. Nf1 Rc8 28. Nxe3 Nxe3 29. Rxe3 Rc6 30. Kf2 Kf7 31. Rb4 Rc2+ 32. Re2 Rc7 33. Kg3 Bd5 34. Re5 Be6 35. Reb5 Rc2 36. Rxb7+ Kf6 37. Rxb3 Bxb3 38. Rxb3 h5 39. h4 Rc4 40. Rb5 g6 41. b3 Rc3 42. a4 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "3"]
[White "Budzisz, Adrian"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2084"]
[BlackElo "2398"]
[PlyCount "58"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[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 c5 6. Ne2 Nc6 7. Be3 cxd4 8. Nxd4 Ne5 9. 0-0 Be7 10. Be2 0-0 11. c4 Bd7 12. Nc3 Rc8 13. Qb3 Bc5 14. Rfd1 Qb6 15. Qc2 Rfd8 16. b4 Bxb4 17. Ndb5 Qa5 18. Bxa7 Bxc3 19. Qxc3 Qxb5 20. cxb5 Rxc3 21. Bd4 Rc2 22. Bxe5 Rxe2 23. Bxf6 gxf6 24. Rac1 Kf8 25. Rc7 Be8 26. Kf1 Rxd1+ 27. Kxe2 Rd7 28. Rc2 Rd4 29. Rc7 Bxb5+ 0-1

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "7"]
[White "Chomczyk, Marek"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2290"]
[BlackElo "2398"]
[PlyCount "72"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 c6 6. e4 d6 7. Nf3 Bg4 8. Be3 Nbd7 9. h3 Bxf3 10. Bxf3 e5 11. d5 c5 12. Qd2 Ne8 13. g4 Kh8 14. h4 f5 15. gxf5 gxf5 16. exf5 Rxf5 17. Be4 Rf8 18. 0-0-0 a6 19. Bc2 b5 20. Qd3 Nef6 21. h5 e4 22. Nxe4 Ne5 23. Qe2 Nxe4 24. Bxe4 Nxc4 25. b3 Nxe3 26. fxe3 Qf6 27. Qc2 c4 28. h6 Bxh6 29. Kb1 cxb3 30. Qxb3 Ra7 31. Qc2 Bg7 32. Rxh7+ Kg8 33. Rxg7+ Rxg7 34. Bd3 Qf2 35. Qc1 Rg2 36. Be4 Qxa2# 0-1

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "1"]
[White "Flis, Piotr"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "1696"]
[BlackElo "2398"]
[PlyCount "52"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nb6 8. Nc3 Nc6 9. d5 Nb4 10. e4 e6 11. a3 Na6 12. Bg5 f6 13. Be3 Nc4 14. Bc1 exd5 15. Qxd5+ Qxd5 16. Nxd5 Be6 17. Rd1 Rfd8 18. Nd4 Bf7 19. b3 Nb6 20. Ne3 f5 21. Bb2 c5 22. exf5 cxd4 23. fxg6 hxg6 24. Ng4 Bxb3 25. Rd2 Nc4 26. Rd3 Nc5 0-1

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "5"]
[White "Galperin, Platon"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2571"]
[BlackElo "2398"]
[PlyCount "75"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. c3 Nc6 6. cxd4 cxd4 7. Qa4 Nf6 8. Nexd4 Bd7 9. Nxc6 Bxc6 10. Bb5 Bxb5 11. Qxb5+ Qd7 12. Qe2 Qc6 13. d3 Bb4+ 14. Bd2 Bxd2+ 15. Nxd2 Rd8 16. Nb3 Qb5 17. Rd1 a5 18. Qc2 0-0 19. Qc5 Qxc5 20. Nxc5 Rc8 21. Nxb7 Rb8 22. Nxa5 Rxb2 23. a3 Rc8 24. Nc4 Ra2 25. 0-0 h5 26. f3 Nd7 27. Rf2 Rxf2 28. Kxf2 Nc5 29. Ke3 Rb8 30. Nd2 Rb2 31. Rc1 Na4 32. Rc4 Nb6 33. Rb4 Rxb4 34. axb4 Kf8 35. Nc4 Nc8 36. Kd4 Ke7 37. Kc5 Kd7 38. Ne5+ 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "13"]
[White "Licznerski, Lukasz"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2414"]
[BlackElo "2398"]
[PlyCount "71"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[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. 0-0 Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. Na3 c6 9. Ba4 0-0 10. Bg5 h6 11. Bh4 d6 12. Nc4 Bc7 13. Bb3 d5 14. Nd2 g5 15. Bg3 dxe4 16. dxe4 Qe7 17. Qe2 Bg4 18. f3 Be6 19. Bf2 Bb6 20. Bxe6 Bxf2+ 21. Rxf2 Qxe6 22. Nf1 Nh5 23. g3 Ng7 24. Ne3 Rfd8 25. a4 Qe7 26. Qc4 Rd7 27. a5 a6 28. Raf1 Kh7 29. f4 exf4 30. gxf4 Ne6 31. fxg5 Nxg5 32. Ng4 Nh3+ 33. Kh1 Nxf2+ 34. Rxf2 Rd1+ 35. Kg2 Rg8 36. Rxf7+ 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "12"]
[White "Padalka, Artem"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2181"]
[BlackElo "2398"]
[PlyCount "86"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[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. exd5 exd5 4. Nf3 Bd6 5. h3 Nc6 6. Bd3 Nge7 7. 0-0 Be6 8. c3 Qd7 9. Ng5 Bf5 10. Bxf5 Qxf5 11. Re1 h6 12. Nf3 0-0 13. b4 Rfe8 14. Nbd2 Ng6 15. Nf1 Nf4 16. Ng3 Qg6 17. Nh4 Rxe1+ 18. Qxe1 Qc2 19. Nhf5 Nd3 20. Qd2 Qxd2 21. Bxd2 Bf8 22. Rd1 Nb2 23. Re1 Nc4 24. Bc1 a5 25. b5 Na7 26. a4 Nb6 27. Bf4 Nxa4 28. Ra1 Nxc3 29. Rxa5 Ncxb5 30. Ra4 c6 31. Nh5 Re8 32. Kf1 Re6 33. Nhg3 Kh7 34. Bb8 Nc8 35. Ra8 Nb6 36. Ra1 g6 37. Ne3 Nd7 38. Ba7 b6 39. Ne2 Bg7 40. Nf4 Re4 41. Ne2 Nxd4 42. Nc3 Re8 43. Ra6 Ra8 0-1

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "4"]
[White "Sieciechowicz, Marcin"]
[Black "Cherniaiev, Tykhon"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2398"]
[BlackElo "2278"]
[PlyCount "81"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[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. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 h6 8. Bf4 0-0 9. h3 Bd6 10. Bxd6 Qxd6 11. Nf3 Be6 12. Qb3 Qc7 13. 0-0 Nbd7 14. Rac1 a5 15. Ne2 Rfe8 16. Nf4 Nf8 17. Ne5 N6d7 18. Nxe6 Nxe6 19. f4 f6 20. f5 Nec5 21. dxc5 Rxe5 22. e4 Kh8 23. exd5 Rxd5 24. Bc4 Rxc5 25. Be6 Rxc1 26. Rxc1 Ne5 27. Rd1 b5 28. Rd2 Rd8 29. Qd1 Rxd2 30. Qxd2 Qa7+ 31. Kh2 Qc7 32. Kg1 a4 33. Qd4 Kh7 34. a3 Qa5 35. Kh2 Qc7 36. Kg1 Qa5 37. Kh2 Qe1 38. Qd8 Nf3+ 39. gxf3 Qf2+ 40. Kh1 Qf1+ 41. Kh2 1/2-1/2

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "2"]
[White "Sieciechowicz, Marcin"]
[Black "Goslawski, Michal"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2398"]
[BlackElo "2096"]
[PlyCount "49"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c5 3. e4 dxe4 4. d5 Nf6 5. Bg5 Nbd7 6. Qd2 g6 7. 0-0-0 h6 8. Bf4 a6 9. f3 exf3 10. Nxf3 Bg7 11. Kb1 g5 12. Be3 b5 13. h4 g4 14. Nh2 Nb6 15. Bxc5 Bb7 16. d6 e6 17. Be2 g3 18. Nf3 Nbd5 19. Nxd5 Bxd5 20. d7+ Qxd7 21. Qf4 Ne4 22. Be3 Nf2 23. Qxg3 Nxd1 24. Qxg7 Ke7 25. Bc5+ 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Klim, Filip"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2398"]
[BlackElo "1990"]
[PlyCount "69"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h5 8. g5 Nfd7 9. Qd2 Nb6 10. Nh3 Bd6 11. Bxd6 Qxd6 12. Nf4 Bf5 13. e4 dxe4 14. fxe4 Bg4 15. e5 Qc7 16. Ne4 Nc8 17. Be2 Nd7 18. 0-0-0 Bxe2 19. Qxe2 g6 20. Rhg1 a5 21. Qd3 a4 22. a3 Qa5 23. Nf6+ Nxf6 24. gxf6 Qb5 25. Nxe6 Qxd3 26. Ng7+ Kd7 27. Rxd3 Nb6 28. Re1 Nd5 29. c4 Nf4 30. Rf3 Ne6 31. d5 cxd5 32. cxd5 Rac8+ 33. Kb1 Nd4 34. Rf4 Nb3 35. Rxa4 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "10"]
[White "Sieciechowicz, Marcin"]
[Black "Kosakowski, Jakub"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2398"]
[BlackElo "2494"]
[PlyCount "149"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[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. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 cxd4 9. Nxd4 f5 10. exf6 Nxf6 11. cxd5 exd5 12. 0-0 Nc6 13. Nxc6 bxc6 14. Bg5 h6 15. Bh4 Bd6 16. Bg3 Bxg3 17. hxg3 c5 18. Rfd1 Be6 19. Bf5 Bf7 20. Ne2 Qb6 21. Nf4 Rfe8 22. Bg6 Bxg6 23. Qxg6 Re5 24. b3 Rae8 25. Rac1 Rg5 26. Qc2 Rge5 27. Nd3 Re2 28. Qxc5 Rxa2 29. Qxb6 axb6 30. Nb4 Rb2 31. Nxd5 Ng4 32. Rb1 Rxf2 33. Rd4 Ree2 34. Nf4 Ra2 35. Rc1 Ne3 36. Rc8+ Kh7 37. Rdd8 Rf1+ 38. Kh2 Ng4+ 39. Kh3 Nf2+ 40. Kh4 Rh1+ 41. Nh3 Nxh3 42. gxh3 Rah2 43. Kg4 Rxh3 44. Rh8+ Kg6 45. Rc6+ Kf7 46. Rxb6 R3h2 47. Rb7+ Kf6 48. Rf8+ Ke6 49. Rxg7 h5+ 50. Kg5 Rb2 51. Rf6+ Ke5 52. Re7+ Kd5 53. Re3 Kd4 54. Ref3 Rg2 55. R6f4+ Ke5 56. Rh4 Rhg1 57. Rxh5 Ke4 58. Kg4 Kd4 59. Rh8 Re2 60. Rd8+ Kc5 61. Rc8+ Kb6 62. Rc4 Re7 63. Rb4+ Kc5 64. Rc4+ Kb5 65. Rf5+ Kb6 66. Rg5 Re3 67. Kf4 Rxb3 68. Re4 Kc6 69. Re6+ Kd7 70. Re4 Rf1+ 71. Kg4 Rg1 72. Kh5 Rbxg3 73. Rxg3 Rxg3 74. Rg4 Rxg4 75. Kxg4 1/2-1/2

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "8"]
[White "Sieciechowicz, Marcin"]
[Black "Malik, Maciej"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2398"]
[BlackElo "2023"]
[PlyCount "48"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Rc1 e5 10. d5 Ne7 11. h4 Ne8 12. h5 f5 13. hxg6 hxg6 14. Bg5 f4 15. g3 fxg3 16. Nxg3 Rf7 17. f4 Rxf4 18. Qh2 Rf7 19. Be2 Nf6 20. Kd2 Qd7 21. Rcf1 Ng4 22. Qh7+ Kf8 23. Rxf7+ Kxf7 24. Rf1+ Nf5 1-0

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "11"]
[White "Sieciechowicz, Marcin"]
[Black "Nasuta, Grzegorz"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "2398"]
[BlackElo "2579"]
[PlyCount "56"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 a5 6. e4 Bg4 7. Bxc4 e6 8. 0-0 Bxf3 9. gxf3 Bb4 10. Kh1 Nbd7 11. Rg1 g6 12. Bg5 Be7 13. Qe2 Nh5 14. Be3 Qc7 15. d5 exd5 16. exd5 0-0 17. dxc6 bxc6 18. Bh6 Bd6 19. Bxf8 Rxf8 20. Rad1 Nb6 21. Bb3 Bxh2 22. Rge1 Bd6 23. Qe3 Nf4 24. Rxd6 Qxd6 25. Qxb6 Qf6 26. Ne2 Nxe2 27. Qe3 Qh4+ 28. Kg2 Nf4+ 0-1

[Event "Warsaw Szansa blitz op"]
[Site "Warsaw"]
[Date "2023.09.16"]
[Round "9"]
[White "Socko, Bartosz"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2538"]
[BlackElo "2398"]
[PlyCount "65"]
[EventDate "2023.09.16"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. 0-0 Bg7 5. d4 0-0 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Bf5 9. e3 Nbd7 10. Nc3 Rc8 11. Qe2 Bg4 12. h3 Bxf3 13. Bxf3 e5 14. dxe5 Nxe5 15. Bg2 Qd3 16. Rd1 Qxe2 17. Nxe2 Rfd8 18. Bd2 Nd5 19. Rab1 Nc4 20. Bc3 Nxc3 21. bxc3 Nb6 22. Nd4 Kf8 23. a4 Nxa4 24. Rxb7 Nxc3 25. Re1 Bxd4 26. exd4 Nd5 27. Rxa7 Rc7 28. Ra4 Rcd7 29. Rc1 Ne7 30. Rcc4 Nf5 31. Bxc6 Rxd4 32. Rxd4 Rxd4 33. Rxd4 1/2-1/2

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.10"]
[Round "7"]
[White "Golenia, Wojciech"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2198"]
[BlackElo "2398"]
[PlyCount "57"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 c5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. 0-0 Be7 9. Be3 0-0 10. Nd2 Bd7 11. Nc4 b5 12. Bxc6 Bxc6 13. Nxe5 Bb7 14. Ne4 Qd5 15. Nf3 Ne6 16. Nc3 Qc6 17. Qb3 b4 18. Ne4 c4 19. Qc2 cxd3 20. Qxc6 Bxc6 21. exd3 Rfd8 22. Ne5 Bb5 23. Rac1 Bxd3 24. Nxd3 Rxd3 25. Rfd1 Rxd1+ 26. Rxd1 f5 27. Rd7 Kf8 28. Nd6 g6 29. Bh6+ 1-0

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.10"]
[Round "9"]
[White "Grot, Blazej"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2098"]
[BlackElo "2398"]
[PlyCount "155"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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 Bb4 4. e5 c5 5. Bd2 Nh6 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. f4 cxd4 9. Nxd4 Nc6 10. Ngf3 f6 11. 0-0-0 fxe5 12. fxe5 Nxd4 13. Nxd4 Bd7 14. Bd3 Qh4 15. g3 Qh5 16. Rde1 Ng4 17. Be2 Qg6 18. Bxg4 Qxg4 19. Rhf1 Rac8 20. b3 h6 21. Kb1 b6 22. Qb4 Rxf1 23. Rxf1 Rc5 24. Qd2 a5 25. a4 Qg6 26. Qf4 Rc8 27. Kb2 Qe8 28. g4 Qe7 29. Rf3 Be8 30. h4 Bg6 31. h5 Be4 32. Rf2 Re8 33. Ka2 Kh7 34. Qf7 Qh4 35. Rf5 Re7 36. Qg6+ Kg8 37. Nxe6 Bxf5 38. Qxf5 Rf7 39. Qd3 Qxg4 40. Qxd5 Qf3 41. Qd8+ Kh7 42. Nd4 Qf2 43. e6 Rf4 44. e7 Rxd4 45. Qxd4 Qxd4 46. e8Q Qg4 47. Qb5 Qe6 48. Qd3+ g6 49. hxg6+ Kg7 50. c4 h5 51. Kb2 h4 52. Ka2 h3 53. Qd4+ Kxg6 54. Qd3+ Qf5 55. Qg3+ Kh5 56. Ka3 Qf1 57. Qe5+ Kg4 58. Qg7+ Kf3 59. Qf6+ Ke2 60. Qe5+ Kf2 61. Qf4+ Kg2 62. Qg5+ Kh1 63. Qd5+ Qg2 64. Qd1+ Kh2 65. Qd6+ Qg3 66. Qxb6 Kg2 67. Qc6+ Qf3 68. Qg6+ Kf1 69. Qb1+ Ke2 70. Qc2+ Ke3 71. c5 Qf1 72. Qc3+ Kf2 73. Qf6+ Kg2 74. Qxf1+ Kxf1 75. c6 h2 76. c7 h1Q 77. c8Q Kf2 78. Qc4 1/2-1/2

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.10"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Czarnota, Pawel"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2398"]
[BlackElo "2505"]
[PlyCount "108"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Be3 e5 7. d5 Nbd7 8. h4 Nc5 9. Qc2 c6 10. h5 cxd5 11. cxd5 Qa5 12. h6 Bh8 13. f3 Nh5 14. Rb1 Na6 15. g4 Ng3 16. Rh2 Nxe2 17. Ngxe2 Bf6 18. Qd2 Bd7 19. a3 Qd8 20. b4 Nc7 21. a4 a6 22. Kf1 Rc8 23. Kg1 Na8 24. a5 Nc7 25. Ra1 Nb5 26. Na4 Be7 27. Nb6 Rc7 28. Rg2 Kh8 29. Rc1 Rxc1+ 30. Qxc1 f5 31. gxf5 gxf5 32. Rg7 fxe4 33. fxe4 Rg8 34. Ng3 Bg4 35. Rxg8+ Kxg8 36. Qf1 Bg5 37. Qf2 Bxe3 38. Qxe3 Qf6 39. Nc4 Nd4 40. Nd2 Qh4 41. Ndf1 Bf3 42. Kf2 Qh3 43. Qg5+ Kf7 44. Qg7+ Ke8 45. Qg8+ Kd7 46. Qxh7+ Kc8 47. Qg8+ Kc7 48. Qg7+ Kb8 49. Qf8+ Ka7 50. Ke3 Qg2 51. Qxd6 Nc2+ 52. Kd3 Ne1+ 53. Ke3 Qg1+ 54. Kd2 Qf2+ 0-1

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.10"]
[Round "8"]
[White "Sieciechowicz, Marcin"]
[Black "Starosta, Martyna"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2398"]
[BlackElo "2180"]
[PlyCount "93"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qa5+ 7. c3 Qxc5 8. Qa4+ Nc6 9. Qxe4 Bf5 10. Qa4 e5 11. Be3 Qa5 12. Qxa5 Nxa5 13. Bb5+ Bd7 14. Bxd7+ Kxd7 15. 0-0-0+ Ke6 16. f4 Nc4 17. Re1 e4 18. Bd4 f5 19. Nf3 Bd6 20. g3 Kf7 21. Nh4 Ke6 22. Bxg7 Rhg8 23. Bd4 b5 24. Nf3 h6 25. Nd2 a5 26. Nxc4 bxc4 27. Kc2 a4 28. Rhg1 h5 29. Re2 Ra5 30. Rd1 h4 31. Red2 Rd5 32. Rg1 Rb5 33. gxh4 Rxg1 34. Bxg1 Bxf4 35. Rd4 Rd5 36. h5 Rxd4 37. Bxd4 Bh6 38. b3 axb3+ 39. axb3 cxb3+ 40. Kxb3 f4 41. Kc2 Kd5 42. Kd2 f3+ 43. Ke1 e3 44. h4 Kc4 45. Bxe3 Bxe3 46. h6 Bxh6 47. Kf2 1/2-1/2

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "3"]
[White "Krawczyk, Flawian"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2288"]
[BlackElo "2398"]
[PlyCount "60"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Be2 Bd7 8. 0-0 Nge7 9. Nbd2 Na5 10. Rb1 Qc7 11. Ne1 0-0-0 12. b4 cxb3 13. Nd3 Nf5 14. g4 Nh6 15. Bb2 Ba4 16. f4 Nc4 17. Nxc4 dxc4 18. Nf2 f5 19. h3 Rg8 20. g5 Nf7 21. Qd2 Nh8 22. Qe3 Ng6 23. Rbd1 Ne7 24. d5 Nxd5 25. Qxa7 Bb5 26. Rxd5 Rxd5 27. Bf3 Rd7 28. a4 Ba6 29. Qe3 Bc5 30. Qe2 Rgd8 0-1

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "1"]
[White "Nguyen Doan, Quoc Anh"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1366"]
[BlackElo "2398"]
[PlyCount "46"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 Nc6 9. Be2 cxd4 10. cxd4 Nxd4 11. Nxd4 Qxd4 12. f4 Ne7 13. Rb1 Nc6 14. Bd3 b6 15. Qg4 Nxe5 16. Bb5+ Bd7 17. Bxd7+ Kxd7 18. Qg3 Nc4 19. Rd1 Qe4+ 20. Kf2 Qxc2 21. Qxg7 Nxd2 22. Qxf7+ Kd6 23. Rhe1 Ne4+ 0-1

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "2"]
[White "Sieciechowicz, Marcin"]
[Black "Cichon, Bartlomiej"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2398"]
[BlackElo "1933"]
[PlyCount "53"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qa5+ 7. c3 Qxc5 8. Qa4+ Nc6 9. Qxe4 g6 10. Be3 Bf5 11. Qa4 Qa5 12. Qxa5 Nxa5 13. Bb5+ Bd7 14. Bxd7+ Kxd7 15. 0-0-0+ Ke8 16. Nf3 Bg7 17. Rhe1 e6 18. Rd3 Nc4 19. Bg5 h6 20. Bh4 g5 21. Bg3 Rd8 22. Red1 Ke7 23. b3 Rxd3 24. Rxd3 Nb6 25. Bd6+ Kf6 26. Ne5 Rc8 27. Rf3# 1-0

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "4"]
[White "Sieciechowicz, Marcin"]
[Black "Gumularz, Szymon"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2398"]
[BlackElo "2587"]
[PlyCount "128"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. h3 c5 6. d5 e6 7. e4 exd5 8. exd5 Re8+ 9. Be2 d6 10. 0-0 Ne4 11. Nxe4 Rxe4 12. Bd3 Re8 13. Bg5 Bf6 14. Qd2 Bxg5 15. Qxg5 Qxg5 16. Nxg5 Bf5 17. Bxf5 gxf5 18. Rfe1 Nd7 19. f4 a6 20. a4 Kg7 21. Kf1 Nf6 22. g3 h6 23. Nf3 Ne4 24. Kg2 h5 25. Ra3 Kf6 26. Rb3 Rg8 27. Ng5 Nxg5 28. fxg5+ Rxg5 29. Kf3 Rag8 30. Kf4 h4 31. Rb6 Rd8 32. g4 fxg4 33. hxg4 h3 34. Kg3 h2 35. b3 Re5 36. Rf1+ Kg5 37. Kxh2 Kxg4 38. Rxf7 Rh8+ 39. Kg2 Re2+ 40. Rf2 Rh2+ 41. Kxh2 Rxf2+ 42. Kg1 Rb2 43. Rxb7 a5 44. Rb6 Kg3 45. Kf1 Kf3 46. Ke1 Ke3 47. Kd1 Kd3 48. Ke1 Rb1+ 49. Kf2 Kc3 50. Rxd6 Rxb3 51. Ra6 Kxc4 52. d6 Rd3 53. Ke2 Rd4 54. Rxa5 Rxd6 55. Ra8 Kc3 56. a5 Rd2+ 57. Ke3 Ra2 58. a6 c4 59. a7 Ra1 60. Ke2 Ra5 61. Kd1 Ra6 62. Ke2 Re6+ 63. Kf3 Re7 64. Kf4 Kc2 1/2-1/2

[Event "Katowice POL-HUN 10th"]
[Site "Katowice"]
[Date "2023.09.09"]
[Round "5"]
[White "Wisniewski, Adrian"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2351"]
[BlackElo "2398"]
[PlyCount "70"]
[EventDate "2023.09.09"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. Nc3 d5 7. cxd5 cxd5 8. d4 Ne4 9. Nxe4 dxe4 10. Ne5 Bf5 11. Be3 Nd7 12. Nxd7 Qxd7 13. Qb3 Rfd8 14. Rfd1 Rac8 15. d5 b6 16. Bd4 Qxd5 17. Bxg7 Qxb3 18. Rxd8+ Rxd8 19. axb3 Kxg7 20. h3 a5 21. g4 Be6 22. b4 axb4 23. Bxe4 Rd2 24. Kf1 Rxb2 25. Rb1 Rxb1+ 26. Bxb1 f5 27. f3 Kf6 28. Kf2 Ke5 29. Ke3 f4+ 30. Kd3 g5 31. e3 h6 32. Kd2 Bc4 33. e4 Kd4 34. Bc2 Ba2 35. e5 b3 0-1

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "4"]
[White "Dwilewicz, Katarzyna"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2062"]
[BlackElo "2318"]
[PlyCount "120"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Nxd5 7. N2f3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 0-0 10. Bd3 e5 11. Ne2 Nc6 12. 0-0-0 Ndb4 13. Bc4 Qxd2+ 14. Rxd2 Bg4 15. a3 Na6 16. Bd5 Rfe8 17. Ng5 Re7 18. f3 Bf5 19. Ng3 Bg6 20. h4 h5 21. Rhd1 Nd4 22. c3 Rc8 23. Ne2 Nxe2+ 24. Rxe2 Nc5 25. Ne4 Kf8 26. Re3 Nxe4 27. fxe4 f6 28. b4 Bf7 29. Kb2 Rec7 30. Red3 Bxd5 31. exd5 e4 32. d6 exd3 33. dxc7 Rxc7 34. Rxd3 Ke7 35. Kb3 Rd7 36. Re3+ Kd6 37. c4 g5 38. hxg5 fxg5 39. c5+ Kc7 40. Re5 Rd3+ 41. Kc4 Rg3 42. b5 Rxg2 43. Re7+ Kc8 44. Rh7 h4 45. c6 Rc2+ 46. Kd5 bxc6+ 47. bxc6 a5 48. Rh8+ Kc7 49. Rh7+ Kb6 50. Rb7+ Ka6 51. Rg7 h3 52. Rxg5 h2 53. Rh5 Kb6 54. Rh6 Rd2+ 55. Kc4 Rg2 56. Kd5 Rg5+ 57. Kc4 Rc5+ 58. Kb3 Rxc6 59. Rxh2 Rg6 60. Rh3 Ka6 1/2-1/2

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "2"]
[White "Hadrian, Patryk"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1678"]
[BlackElo "2318"]
[PlyCount "78"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 c5 5. Nb5 Na6 6. c3 Be7 7. Nf3 0-0 8. dxc5 Bxc5 9. Bd3 Bd7 10. a4 Be7 11. h3 Nc5 12. Bc2 Bxb5 13. axb5 Qb6 14. Qe2 h6 15. 0-0 Bd6 16. Bxd6 Qxd6 17. Rfd1 Qb6 18. Ne5 Rfc8 19. g4 Nce4 20. h4 a6 21. g5 hxg5 22. hxg5 Nxg5 23. bxa6 Rxa6 24. Rxa6 bxa6 25. Bd3 a5 26. Ra1 Nge4 27. Ra2 Nc5 28. Bb1 Ncd7 29. Nxd7 Nxd7 30. Qd3 Nf6 31. Qd2 Rc4 32. b3 Rg4+ 33. Kf1 Rh4 34. Ke2 Rh2 35. Bc2 Ng4 36. Qd4 Rxf2+ 37. Ke1 Qxd4 38. exd4 Kf8 39. Bd3 Rxa2 0-1

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "6"]
[White "Pakleza, Zbigniew"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2455"]
[BlackElo "2318"]
[PlyCount "96"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Bd6 6. Bg3 0-0 7. Ngf3 Qc7 8. Be2 Nbd7 9. c4 cxd4 10. Nxd4 Bxg3 11. hxg3 dxc4 12. Nxc4 Nb6 13. Rc1 Nxc4 14. Bxc4 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 Bd7 17. Ke2 Rfd8 18. f3 Rac8 19. Rhd1 Kf8 20. Bd3 Ke7 21. g4 h6 22. Rxc8 Rxc8 23. e4 e5 24. Nc2 Be6 25. Ne3 a6 26. b3 b5 27. Rb1 Nd7 28. a4 Nc5 29. axb5 Nxd3 30. Kxd3 axb5 31. b4 Bc4+ 32. Kd2 Rd8+ 33. Ke1 Rd3 34. Nxc4 bxc4 35. b5 Kd7 36. Rb4 Rd4 37. b6 Kc8 38. Rb5 Kb7 39. Ke2 f6 40. g3 Rd6 41. Rb4 Rc6 42. Kd2 c3+ 43. Kc2 Rxb6 44. Kxc3 Rxb4 45. Kxb4 Kb6 46. Kc4 Kc6 47. Kb4 Kb6 48. Kc4 Kc6 1/2-1/2

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "9"]
[White "Sieciechowicz, Marcin"]
[Black "Bogdanov, Egor"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2318"]
[BlackElo "2358"]
[PlyCount "126"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[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. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. a3 Bxc3+ 7. Qxc3 Nxc5 8. f3 a5 9. e4 d6 10. Be3 Qc7 11. Rd1 0-0 12. Qd4 Na4 13. b3 Nc5 14. e5 Nfd7 15. exd6 Qc6 16. b4 axb4 17. axb4 Nb3 18. Qc3 Qa4 19. Bd3 Qa3 20. Ne2 Ra4 21. Rb1 Rxb4 22. Bc2 Nd4 23. Bxd4 Rxb1+ 24. Bxb1 Qxd6 25. Bxg7 Re8 26. 0-0 e5 27. Qc2 Kxg7 28. Qxh7+ Kf8 29. Ng3 Nf6 30. Qd3 Qb6+ 31. Kh1 Rd8 32. Qa3+ Qd6 33. Qxd6+ Rxd6 34. Ne4 Nxe4 35. Bxe4 Rd4 36. Rc1 b6 37. Kg1 f5 38. Bd5 Bd7 39. Kf2 Ke7 40. Ke3 Kd6 41. g3 f4+ 42. gxf4 Rxf4 43. Be4 Be6 44. Rb1 Kc7 45. Rb5 Bxc4 46. Rxe5 Rh4 47. Re7+ Kd6 48. Rh7 Rxh7 49. Bxh7 Ke5 50. Be4 Kf6 51. f4 Be6 52. h4 Bf7 53. Kd4 Be8 54. Kd5 Ke7 55. Ke5 b5 56. f5 b4 57. f6+ Kf8 58. Bc2 Bf7 59. Kd4 b3 60. Bb1 Bh5 61. Bd3 b2 62. Kc3 Kf7 63. Kxb2 Kxf6 1/2-1/2

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Galla, Wiktor"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2318"]
[BlackElo "1461"]
[PlyCount "55"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. e3 Bg7 5. Nb5 Na6 6. Nf3 c6 7. Nc3 Nc7 8. Be2 0-0 9. 0-0 Bf5 10. h3 Ne6 11. Be5 Ne4 12. Bxg7 Nxg7 13. Nxe4 Bxe4 14. c4 e6 15. Nd2 Bf5 16. g4 Be4 17. f3 Qh4 18. Qe1 Qxh3 19. Rf2 Bxf3 20. Bxf3 Qh4 21. Rh2 Qg5 22. Kh1 f5 23. Qh4 Qxe3 24. Qxh7+ Kf7 25. gxf5 exf5 26. Rg1 Qe6 27. Rxg6 Qe1+ 28. Rg1 1-0

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Golenia, Jan"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2318"]
[BlackElo "2032"]
[PlyCount "91"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 0-0 7. Bd3 c5 8. 0-0 c4 9. Be2 Qb6 10. a4 Bd7 11. Ne5 Bxb5 12. axb5 Nc7 13. b3 cxb3 14. c4 b2 15. Rb1 Qa5 16. Rxb2 Ne4 17. c5 f6 18. Nf3 g5 19. Bxc7 Qxc7 20. Bd3 g4 21. Nd2 Nxd2 22. Qxg4+ Kh8 23. Rxd2 f5 24. Qg3 Qd7 25. Rc1 Rac8 26. Rdc2 Bf6 27. c6 bxc6 28. bxc6 Qe7 29. c7 Rg8 30. Qf3 Qa3 31. Rc3 Qa5 32. Rc5 Qa3 33. R5c3 Qd6 34. Qf4 Qxf4 35. exf4 Bxd4 36. Rc6 Bb6 37. Ba6 Rxc7 38. Rxc7 Bxc7 39. Rxc7 Rg6 40. Rxa7 Rf6 41. Kf1 Kg8 42. Ke2 Rh6 43. h3 Kf8 44. Ke3 Rh4 45. Bc8 Rh6 46. Kd4 1-0

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Lechowski, Witold"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2318"]
[BlackElo "1694"]
[PlyCount "117"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Bd6 5. Nxd6+ cxd6 6. e3 Nc6 7. Nf3 0-0 8. Be2 Qe7 9. 0-0 h6 10. h3 e5 11. Bh2 Bf5 12. Bb5 Be4 13. c3 Bxf3 14. Qxf3 Rac8 15. Rad1 Rfd8 16. Bg3 e4 17. Qe2 a6 18. Ba4 Qc7 19. Bc2 Na5 20. f4 Qc4 21. Rfe1 Qxe2 22. Rxe2 Nc4 23. Bb3 Na5 24. Bh4 Nxb3 25. axb3 Re8 26. Bxf6 gxf6 27. Ra1 Kh7 28. Ra5 Rc6 29. Rxd5 b5 30. b4 Kg6 31. g4 Rg8 32. Kh2 Re8 33. Kg3 Re7 34. f5+ Kg7 35. Kf4 Re8 36. Rg2 Re7 37. h4 Kf8 38. g5 fxg5+ 39. hxg5 hxg5+ 40. Rxg5 f6 41. Rg6 Kf7 42. Rh6 Kg7 43. Rh2 Re8 44. Rh1 Re7 45. Rc1 Re8 46. b3 Rec8 47. Kxe4 Rxc3 48. Rxc3 Rxc3 49. Rxd6 Rxb3 50. Rxa6 Rxb4 51. Kd5 Rb1 52. e4 b4 53. e5 fxe5 54. dxe5 b3 55. Ke6 b2 56. Rb6 Kh7 57. Rb7+ Kh6 58. f6 Kg6 59. Rb8 1-0

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "7"]
[White "Sieciechowicz, Marcin"]
[Black "Malik, Maciej"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2318"]
[BlackElo "2073"]
[PlyCount "113"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. 0-0 Re8 8. h3 Nc6 9. d5 Nd4 10. Be3 Nxe2+ 11. Qxe2 Nh5 12. Kh2 f5 13. exf5 Bxf5 14. Ne4 Nf4 15. gxf4 exf4 16. Bxf4 Bxe4 17. Bxe4 Qh4 18. Qf3 Rf8 19. Bg3 Rxf3 20. Bxh4 Rf4 21. Bxg6 Rxh4 22. Bf5 Be5+ 23. Kh1 Rf4 24. Be6+ Kg7 25. Rg1+ Kf6 26. Rg2 Rf8 27. c3 Ke7 28. Kg1 c6 29. Re1 Rh4 30. Re3 Ra4 31. a3 Raf4 32. Kf1 Rh4 33. Ke2 Rhf4 34. f3 Rh4 35. Rg4 Rh6 36. Ree4 Kd8 37. f4 Bf6 38. Rg2 cxd5 39. Bxd5 Rxh3 40. Bxb7 Rh5 41. Rc4 Rb5 42. Rb4 Rxb4 43. axb4 Kc7 44. Be4 h5 45. Kd3 h4 46. b3 Rh8 47. Rg6 Rf8 48. Rh6 Rf7 49. Bd5 Rf8 50. Rh7+ Kb6 51. Rb7+ Ka6 52. b5+ Ka5 53. Bc6 a6 54. b4+ Ka4 55. bxa6+ Kb3 56. a7 Bxc3 57. Rb8 1-0

[Event "Opole AZS op 1st"]
[Site "Opole"]
[Date "2023.08.15"]
[Round "8"]
[White "Zerebiec, Maurycy"]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "2068"]
[BlackElo "2318"]
[PlyCount "66"]
[EventDate "2023.08.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Be7 10. 0-0 0-0 11. Rfc1 Rc8 12. Na4 Ne4 13. Qb5 Qd7 14. Rc2 g5 15. Bg3 h5 16. Nc5 Bxc5 17. dxc5 Ne5 18. Qxd7 Nxd7 19. b4 h4 20. Ne5 hxg3 21. Nxd7 gxf2+ 22. Kf1 Rfd8 23. Ne5 a5 24. bxa5 Rxc5 25. Rxc5 Nxc5 26. Rb1 Ne4 27. Rxb7 Rc8 28. Nd3 Rc3 29. Nxf2 Rc1+ 30. Ke2 Rc2+ 31. Ke1 Rxf2 32. a6 Rxa2 33. a7 Kg7 0-1

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2023.07.19"]
[Round "9"]
[White "Taranowicz, Michal"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2005"]
[BlackElo "2395"]
[PlyCount "83"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[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 b5 8. f3 Be7 9. Be3 0-0 10. Qd2 Bb7 11. g4 Nc6 12. 0-0-0 Rc8 13. h4 Nd7 14. g5 Nde5 15. Qg2 Nxd4 16. Bxd4 Nc4 17. Bxc4 Rxc4 18. Kb1 Qa5 19. Bf6 b4 20. Ne2 Qc7 21. b3 Rc5 22. Nf4 Rc8 23. Rd2 Bf8 24. Bb2 a5 25. h5 e5 26. Nd3 Rc6 27. f4 Ba6 28. Ne1 exf4 29. h6 g6 30. Qf2 Qe7 31. Qxf4 Rc5 32. Bf6 Qe6 33. Nf3 Bb7 34. Re1 Re8 35. Bd4 Rcc8 36. Nh2 Bxe4 37. Ng4 Bxc2+ 38. Kb2 Qxe1 39. Nf6+ Kh8 40. Nxe8+ Kg8 41. Nf6+ Kh8 42. Rxc2 1-0

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2023.07.18"]
[Round "8"]
[White "Sieciechowicz, Marcin"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2395"]
[BlackElo "2456"]
[PlyCount "120"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Be2 Bb7 10. h4 g4 11. Ne5 Nbd7 12. Nxd7 Qxd7 13. Be5 Be7 14. 0-0 Rg8 15. g3 b4 16. Na4 Nxe4 17. Bxc4 c5 18. Qe2 f6 19. dxc5 Kf7 20. Bb5 Qd5 21. c6 Nd2 22. Rad1 Nf3+ 23. Kh1 Bxc6 24. Rxd5 Bxd5 25. Bc4 Nd4+ 26. Bxd5 Nxe2 27. Bxa8 fxe5 28. Re1 Nxg3+ 29. fxg3 Rxa8 30. Rxe5 Rc8 31. Re2 Bd6 32. Kg2 h5 33. Rd2 Ke7 34. Re2 Rc1 35. b3 Ra1 36. Rd2 e5 37. Re2 Ke6 38. Kf2 Be7 39. Ke3 Rg1 40. Kf2 Rh1 41. Kg2 Ra1 42. Kf2 Kf5 43. Rd2 Bf8 44. Kg2 Ke6 45. Re2 Bd6 46. Kf2 Kf5 47. Rd2 Be7 48. Rd7 Rxa2+ 49. Ke3 Kf6 50. Kd3 Rg2 51. Rxa7 Rxg3+ 52. Ke4 Rg1 53. Nb6 Ke6 54. Nc4 Re1+ 55. Kd3 g3 56. Ra6+ Kf7 57. Ne3 e4+ 58. Kd2 Rxe3 59. Kxe3 Bc5+ 60. Kxe4 g2 0-1

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2023.07.17"]
[Round "7"]
[White "Cukrowski, Filip"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2378"]
[BlackElo "2395"]
[PlyCount "72"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 b6 7. Bd3 Bb7 8. 0-0 dxc4 9. Bxc4 a6 10. Rd1 b5 11. Be2 Qc7 12. e4 c5 13. d5 b4 14. Na4 exd5 15. exd5 Bd6 16. Be3 Nxd5 17. Qe4+ Kf8 18. Bc4 N7f6 19. Qd3 Nxe3 20. fxe3 Rd8 21. Qe2 Bxf3 22. gxf3 g6 23. f4 Kg7 24. Qf3 Rhe8 25. Rd3 Bf8 26. Rad1 Rxd3 27. Rxd3 a5 28. b3 Rd8 29. Nb2 Re8 30. Rd1 Qe7 31. Rd3 Kg8 32. Nd1 Bg7 33. Nf2 h5 34. Qc6 Kh7 35. h3 h4 36. Kg2 Nh5 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2023.07.16"]
[Round "6"]
[White "Sieciechowicz, Marcin"]
[Black "Jakubowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2395"]
[BlackElo "2486"]
[PlyCount "46"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 cxd4 9. Nxd4 Nd7 10. Bf4 Ndc5 11. 0-0 Bxc3 12. bxc3 Bd7 13. Be2 Na4 14. cxd5 exd5 15. f3 Nec5 16. Qd2 Nb6 17. Bg5 Qe8 18. Rfe1 Kh8 19. Qf4 Ne6 20. Nxe6 fxe6 21. Qb4 Qg6 22. Be7 Rfc8 23. Rad1 Nc4 1/2-1/2

[Event "Warsaw Najdorf Memorial op-A"]
[Site "Warsaw"]
[Date "2023.07.15"]
[Round "5"]
[White "Kazakouski, Valery"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2539"]
[BlackElo "2395"]
[PlyCount "129"]
[EventDate "2023.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 Re8 8. d4 Bf5 9. Nbd2 Ne4 10. Rc1 Nxd2 11. Nxd2 Na6 12. h3 Qd7 13. Kh2 Rad8 14. cxd5 cxd5 15. Nf3 Be4 16. Qd2 Bxf3 17. Bxf3 Nb8 18. Ba3 e6 19. Rc2 Rc8 20. Rfc1 Rxc2 21. Rxc2 Rc8 22. Rxc8+ Qxc8 23. e4 dxe4 24. Bxe4 Nc6 25. d5 exd5 26. Qxd5 Qd8 27. Kg2 Qxd5 28. Bxd5 Bf8 29. Bc1 Bc5 30. a3 a5 31. Kf3 Kf8 32. Ke2 Ke7 33. f3 f5 34. Bxc6 bxc6 35. Kd3 Ke6 36. Kc4 Bd6 37. g4 fxg4 38. fxg4 h5 39. Bb2 hxg4 40. hxg4 Kd7 41. a4 Kc7 42. Bf6 Bf8 43. Kd3 Ba3 44. Ke4 Bb4 45. Kd3 Ba3 46. Bc3 Kb6 47. Ke4 Bd6 48. Bd2 Bc7 49. Be3+ Kb7 50. Bf4 Bd8 51. Bd6 Bf6 52. Be5 Bd8 53. Kf4 Kb6 54. Bc3 c5 55. Ke5 Kc6 56. Ke6 c4 57. bxc4 Kc5 58. Bf6 Bb6 59. Kf7 Kxc4 60. Kxg6 Kb3 61. Kf5 Be3 62. Bg5 Bxg5 63. Kxg5 Kxa4 64. Kf4 Kb5 65. g5 1/2-1/2

