[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.12"]
[Round "3"]
[White "Panczuk, Grzegorz"]
[Black "Lachcik, Marek"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1721"]
[BlackElo "1481"]
[PlyCount "115"]
[EventDate "2021.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Qb3 Qc8 7. Ngf3 c4 8. Qd1 h6 9. Ne5 e6 10. a3 b5 11. b3 Nxe5 12. Bxe5 Be7 13. bxc4 bxc4 14. Be2 0-0 15. 0-0 Qc6 16. f3 Bh7 17. Re1 Nd7 18. Bg3 Bd6 19. Bxd6 Qxd6 20. e4 Qf4 21. Bf1 Rab8 22. g3 Qd6 23. Bg2 Rb2 24. Re2 Rfb8 25. Qc1 Qc6 26. Qe1 Nb6 27. Rb1 Na4 28. Rxb2 Rxb2 29. exd5 Qxd5 30. Re5 Qc6 31. f4 Qc7 32. Be4 Nxc3 33. Bxh7+ Kxh7 34. Qc1 Na4 35. Qxc4 Qxc4 36. Nxc4 Rc2 37. Nd6 Rc7 38. Ra5 Nc3 39. Rc5 Rxc5 40. dxc5 Kg6 41. c6 Nd5 42. Nb5 a6 43. c7 Nb6 44. Nd6 Kf6 45. c8Q Nxc8 46. Nxc8 e5 47. fxe5+ Kxe5 48. Kf2 f5 49. Ke3 g5 50. Ne7 h5 51. Nc6+ Kd6 52. Nd4 Ke5 53. Nf3+ Kf6 54. Kd4 g4 55. Nh4 Kg5 56. Ng2 h4 57. gxh4+ Kh5 58. Ke5 1-0

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.19"]
[Round "9"]
[White "Kwiek, Janusz"]
[Black "Lachcik, Marek"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1648"]
[PlyCount "85"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. Nc3 e6 5. Bg5 Bb4 6. e3 b5 7. Be2 0-0 8. 0-0 Bxc3 9. bxc3 h6 10. Bh4 Nbd7 11. a4 c6 12. Qc2 Bb7 13. Ne5 Qc7 14. Bg3 Nxe5 15. Bxe5 Qe7 16. Rfb1 a6 17. Rb2 Nd7 18. Bg3 Nb6 19. a5 Nd5 20. e4 Nf6 21. Rab1 Bc8 22. Bh4 Qc7 23. Bxf6 gxf6 24. Ra1 Bb7 25. Qd2 Kh7 26. f4 Rad8 27. Qe3 Rg8 28. Bh5 f5 29. e5 Rg7 30. Rf2 Rdg8 31. Raa2 Qd8 32. Qh3 Qe7 33. Bf3 f6 34. Rfe2 fxe5 35. Rxe5 Qd6 36. Rae2 Re8 37. Rxf5 Rf8 38. Rxf8 Qxf8 39. Be4+ Kg8 40. Qxe6+ Kh8 41. Qxh6+ Kg8 42. Bg6 Re7 43. Qh4 1-0

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.18"]
[Round "8"]
[White "Lachcik, Marek"]
[Black "Pawlowski, Adam"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "116"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. 0-0 h6 10. Bxf6 Bxf6 11. c3 0-0 12. Nbd2 d5 13. Rfe1 c5 14. Nb3 b6 15. d4 c4 16. Nbd2 Be6 17. b3 Rc8 18. bxc4 dxc4 19. Ne4 Nd7 20. Nxf6+ gxf6 21. Nd2 b5 22. Bf3 Rab8 23. Rab1 Rb6 24. g4 Nf8 25. d5 Bd7 26. Ne4 f5 27. gxf5 Bxf5 28. a3 Nd7 29. Rb2 Ne5 30. Nf6+ Rxf6 31. Rxe5 Bh3 32. Bg2 Rg6 33. f4 Rc5 34. Kf1 f6 35. Ree2 Rxg2 36. Rxg2+ Kf7 37. Rbd2 Ke7 38. d6+ Kd7 39. Kf2 Bxg2 40. Kxg2 Rc6 41. Kf3 Rc5 42. Ke4 a5 43. Rd5 f5+ 44. Ke5 Rxd5+ 45. Kxd5 b4 46. Kxc4 bxa3 47. Kb3 a2 48. Kxa2 Kxd6 49. Kb3 Kc5 50. Ka4 Kc4 51. Kxa5 Kxc3 52. Ka4 Kd4 53. Kb3 Ke4 54. Kc2 Kxf4 55. Kd2 Kf3 56. Ke1 Kg2 57. Ke2 f4 58. Ke1 f3 0-1

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.17"]
[Round "7"]
[White "Traczyk, Pawel"]
[Black "Lachcik, Marek"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1780"]
[PlyCount "119"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Bb4 6. Bd3 0-0 7. 0-0 Nbd7 8. Qc2 Qc7 9. Bd2 e5 10. cxd5 cxd5 11. Nxd5 Qxc2 12. Nxf6+ Nxf6 13. Bxc2 Bxd2 14. Nxd2 exd4 15. exd4 Rd8 16. Nb3 Be6 17. Rfd1 Rac8 18. Nc5 Bd5 19. Bf5 Rc7 20. b3 g6 21. Bd3 b6 22. Na6 Rcd7 23. Bb5 Rd6 24. Nb4 a5 25. Nc2 Ne4 26. Rd3 Rc8 27. Ne3 Nc3 28. Nxd5 Nxd5 29. Bc4 Nb4 30. Rd2 Nd5 31. Bxd5 Rxd5 32. f3 Rcd8 33. Rad1 f5 34. Kf2 Re8 35. Rc1 Red8 36. Ke3 Re8+ 37. Kf4 Red8 38. Rc6 Rxd4+ 39. Rxd4 Rxd4+ 40. Ke3 Rb4 41. Kd3 b5 42. Kc3 Rh4 43. h3 a4 44. b4 Kf7 45. Rc5 h5 46. Rxb5 Ke6 47. Ra5 g5 48. Rxa4 Ke5 49. Ra5+ Kf4 50. b5 Kg3 51. b6 Kxg2 52. Rxf5 Rxh3 53. b7 Rxf3+ 54. Rxf3 Kxf3 55. b8Q h4 56. Qb7+ Kg3 57. Qc7+ Kh3 58. Kd2 g4 59. Ke2 g3 60. Kf1 1-0

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.16"]
[Round "6"]
[White "Lachcik, Marek"]
[Black "Tomczyk, Ryszard"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1502"]
[PlyCount "121"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c6 3. Nc3 Bb4 4. a3 Ba5 5. Nf3 h6 6. Bd3 Nf6 7. b4 Bc7 8. 0-0 d6 9. Bb2 b6 10. Re1 Bb7 11. Qd2 Nbd7 12. b5 c5 13. d5 e5 14. Ne2 Nh7 15. Ng3 Ng5 16. Nxg5 Qxg5 17. Qxg5 hxg5 18. Bc1 f6 19. Nf5 g6 20. Ng7+ Ke7 21. Ne6 Bb8 22. Bd2 Nf8 23. Nxf8 Kxf8 24. c4 Bc7 25. a4 Kg7 26. Reb1 Rh7 27. f3 Rah8 28. h3 Bc8 29. Bf1 f5 30. Bxg5 Rh5 31. Bd2 g5 32. exf5 Bxf5 33. g4 Bxb1 34. gxh5 Bf5 35. Bxg5 Rxh5 36. h4 Kf7 37. Re1 Rh8 38. Kf2 Kg6 39. Ke3 Re8 40. Bd3 Bd8 41. Bxf5+ Kxf5 42. Bxd8 Rxd8 43. Rh1 Rh8 44. h5 Rh6 45. Rh2 Kg5 46. Ke4 Rxh5 47. Rxh5+ Kxh5 48. Kf5 Kh4 49. Ke6 Kg3 50. Kxd6 Kxf3 51. Kxe5 Ke3 52. d6 Kd3 53. d7 Kxc4 54. d8Q Kb4 55. Qh4+ Kb3 56. Kd5 Ka3 57. Qc4 Kb2 58. Kc6 Ka3 59. Kb7 a6 60. Kxa6 Kb2 61. Kxb6 1-0

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.15"]
[Round "5"]
[White "Moscicka, Pola"]
[Black "Lachcik, Marek"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1463"]
[PlyCount "222"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 h6 8. Bh4 dxc4 9. Bxc4 Nb6 10. Bd3 0-0 11. 0-0 Nfd5 12. Bxe7 Qxe7 13. Bb1 Nd7 14. e4 Nxc3 15. bxc3 e5 16. d5 Qc5 17. Qc2 Re8 18. Nd2 Nf6 19. Nb3 Qd6 20. c4 b6 21. Qd3 Bb7 22. Bc2 a5 23. Rae1 Ba6 24. Qc3 cxd5 25. exd5 Nxd5 26. cxd5 Bxf1 27. Rxf1 Qxd5 28. Rd1 Qe6 29. Re1 Rac8 30. Qb2 Rc4 31. h3 Rb4 32. a3 Rb5 33. Qc3 Qd6 34. f4 a4 35. fxe5 Rbxe5 36. Rxe5 Qxe5 37. Qxe5 Rxe5 38. Nd4 Kf8 39. Nf3 Re3 40. Bxa4 Rxa3 41. Bc6 Ke7 42. Bd5 b5 43. Nd4 Rd3 44. Nf5+ Kf6 45. Be4 Rd8 46. Kf2 b4 47. Ke3 b3 48. Bb1 b2 49. Nd4 Ra8 50. Nb5 Ke5 51. Kd3 Kf4 52. Kc3 Kg3 53. Kxb2 Kxg2 54. Be4+ Kxh3 55. Bxa8 g5 56. Nd6 f6 57. Be4 h5 58. Ne8 g4 59. Nxf6 g3 60. Nxh5 g2 61. Nf4+ Kg4 62. Nxg2 Kg5 63. Kc3 Kf6 64. Kd4 Ke7 65. Ke5 Kf7 66. Nf4 Ke7 67. Ng6+ Kf7 68. Kf5 Kg7 69. Ne5 Kf8 70. Kf6 Kg8 71. Bd3 Kh8 72. Kg6 Kg8 73. Nf7 Kf8 74. Kf6 Kg8 75. Bb1 Kf8 76. Bh7 Ke8 77. Ne5 Kd8 78. Be4 Ke8 79. Ng6 Kd7 80. Nf4 Kd6 81. Ne6 Kd7 82. Ke5 Ke8 83. Bg6+ Kd7 84. Bf7 Ke7 85. Bg8 Ke8 86. Kf6 Kd7 87. Bf7 Kd6 88. Nf8 Kc5 89. Ke5 Kb4 90. Kd4 Ka3 91. Kc3 Ka4 92. Bc4 Ka3 93. Nd7 Ka4 94. Ne5 Ka3 95. Nd3 Ka4 96. Ba6 Ka3 97. Nb2 Ka2 98. Bc4+ Ka1 99. Bb3 Kb1 100. Bc2+ Ka1 101. Nc4 Ka2 102. Bb3+ Ka1 103. Nb2 Kb1 104. Nd3 Ka1 105. Nb4 Kb1 106. Bc2+ Ka1 107. Bb3 Kb1 108. Nc2 Kc1 109. Ba2 Kd1 110. Nd4 Kc1 111. Ne2+ Kd1 1/2-1/2

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.14"]
[Round "4"]
[White "Lachcik, Marek"]
[Black "Szymankiewicz, Jan"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1481"]
[PlyCount "79"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 d6 6. 0-0 Nf6 7. Nc3 a6 8. Nxc6 bxc6 9. Re1 0-0 10. Qf3 Bg4 11. Qg3 Qd7 12. Qd3 Qc8 13. Bf4 Bh5 14. e5 dxe5 15. Bxe5 Rd8 16. Qg3 Bd6 17. Qh4 Qf5 18. Bxf6 gxf6 19. Ne4 Be5 20. c3 Kg7 21. Ng3 Bxg3 22. Qxg3+ Bg6 23. Qxc7 Rd2 24. Rf1 Rxb2 25. Qxc6 Rd8 26. Bxa6 Rdd2 27. Qf3 Qa5 28. Bc4 Qc5 29. Qf4 Qa5 30. Rac1 Rd8 31. Bb3 Rbd2 32. c4 Qc5 33. h3 R8d4 34. Qe3 R2d3 35. Qe2 Qg5 36. Rcd1 Rxd1 37. Rxd1 Re4 38. Qf3 Rf4 39. Qe3 Qa5 40. Qxf4 1-0

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.13"]
[Round "3"]
[White "Fieducik, Marcin"]
[Black "Lachcik, Marek"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1361"]
[PlyCount "78"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bb4 6. Bd2 0-0 7. a3 Bxc3 8. bxc3 Nbd7 9. cxd5 Nxd5 10. Bd3 Re8 11. e4 N5f6 12. e5 Nd5 13. Qc2 Nf8 14. 0-0 Qc7 15. Ng5 h6 16. Ne4 b6 17. Qd1 c5 18. Qg4 Kh8 19. Rac1 a5 20. Qh5 Ng6 21. Nd6 Rf8 22. Bxg6 fxg6 23. Qxg6 Ne7 24. Qg4 Nf5 25. Nxf5 Rxf5 26. Be3 Bb7 27. Rcd1 Bd5 28. Rd2 cxd4 29. cxd4 Qc3 30. h3 Qxa3 31. Rc2 b5 32. Rc7 Qf8 33. Rfc1 b4 34. Rd7 Rf7 35. Rd6 a4 36. Ra1 a3 37. Rb6 b3 38. Bc1 Rxf2 39. Kh1 Bxg2+ 0-1

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.12"]
[Round "2"]
[White "Lachcik, Marek"]
[Black "Gajewski, Zbigniew"]
[Result "0-1"]
[ECO "B83"]
[BlackElo "1455"]
[PlyCount "72"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nc6 7. Be2 Nf6 8. 0-0 Be7 9. Qd2 0-0 10. Rad1 Qc7 11. Kh1 b5 12. Bf3 Bb7 13. a3 Ne5 14. Rg1 Rac8 15. Nb3 Rfd8 16. Bf4 Nc4 17. Qc1 e5 18. Bg5 Nxa3 19. Bxf6 Bxf6 20. Bg4 Rb8 21. bxa3 Qxc3 22. Rd3 Qc7 23. Re1 Bc8 24. Bf5 Bxf5 25. exf5 Rbc8 26. Re2 Qc4 27. Qd1 d5 28. Red2 d4 29. c3 Bg5 30. Re2 dxc3 31. Rxd8+ Rxd8 32. Qc2 Bd2 33. Qe4 Qxe4 34. Rxe4 f6 35. Na1 Bc1 36. Re1 Bxa3 0-1

[Event "Warsaw-ch opB 66th"]
[Site "Warsaw"]
[Date "2013.05.11"]
[Round "1"]
[White "Budrewicz, Henryk"]
[Black "Lachcik, Marek"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1573"]
[PlyCount "81"]
[EventDate "2013.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 e6 5. Nd2 Nc6 6. f4 Bd6 7. Ngf3 cxd4 8. cxd4 Nb4 9. Bb1 Qc7 10. 0-0 Bd7 11. a3 Nc6 12. Ne5 Ng8 13. b4 a5 14. b5 Nxe5 15. fxe5 Be7 16. Qf3 f6 17. Qh5+ Kd8 18. Bb2 Bxb5 19. Rc1 Bc6 20. Bd3 fxe5 21. dxe5 Qd7 22. Bd4 Kc7 23. Qe2 Nh6 24. Nb3 a4 25. Nc5 Bxc5 26. Bxc5 Nf7 27. Bd4 Kd8 28. Rab1 Ke8 29. Qg4 g5 30. Qh5 Kf8 31. Rf1 Kg8 32. Rf6 Nd8 33. Qxg5+ Qg7 34. Qf4 Nf7 35. Rf1 Rf8 36. Bc5 d4 37. g3 Be8 38. Bxf8 Kxf8 39. Qxd4 Kg8 40. R1f4 h5 41. Rg6 1-0

