[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.06.15"]
[Round "10"]
[White "Ossolinski, Lukasz"]
[Black "Pichurko, Jakub"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "1361"]
[BlackElo "1631"]
[PlyCount "59"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 a6 5. a4 c5 6. Nf3 Nf6 7. 0-0 Nc6 8. Nc3 b6 9. d5 exd5 10. Nxd5 Bb7 11. e4 Be7 12. Bf4 Nxd5 13. exd5 Na5 14. Ba2 0-0 15. Ne5 Bd6 16. Qd2 Qf6 17. Nd3 Bxf4 18. Qxf4 Qxf4 19. Nxf4 Rad8 20. Rfe1 g5 21. Nh5 c4 22. Rad1 Rd6 23. Re5 h6 24. f4 Bc8 25. h3 f6 26. Re7 Rf7 27. Re8+ Rf8 28. Re7 Rf7 29. Re8+ Rf8 30. Re7 1/2-1/2

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.06.08"]
[Round "9"]
[White "Ossolinski, Lukasz"]
[Black "Borys, Marek"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1361"]
[BlackElo "1347"]
[PlyCount "52"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Bd7 9. Rb1 0-0 10. 0-0 Bg4 11. Be2 cxd4 12. cxd4 Qa5 13. Qb3 Nc6 14. Bd2 Qd8 15. Qxb7 Bxf3 16. Qxc6 Bxe2 17. Rfe1 Bd3 18. d5 Bxb1 19. Rxb1 Rb8 20. Re1 Qb6 21. Be3 Bd4 22. Bxd4 Qxd4 23. Qd7 Rb2 24. Rf1 Qxe4 25. Qxa7 Rb1 26. Rxb1 Qxb1# 0-1

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.06.01"]
[Round "8"]
[White "Jaroszuk, Marcin"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1545"]
[BlackElo "1361"]
[PlyCount "91"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 e6 4. Be2 Nbd7 5. b3 b6 6. 0-0 Bb7 7. Bb2 Be7 8. Qe1 Nc5 9. Ne5 Ncd7 10. d3 Bc5 11. Qg3 Rg8 12. Nd2 Qe7 13. d4 Bd6 14. c4 Bb4 15. Ndf3 Ne4 16. Qh3 h6 17. cxd5 Bxd5 18. Bb5 0-0-0 19. Nxd7 Rxd7 20. Bxd7+ Qxd7 21. Ne5 Qe8 22. Qh5 Rf8 23. Qe2 Kb7 24. Rac1 f6 25. Nf3 Qe7 26. Rc2 c6 27. a3 Bd6 28. Rfc1 Rc8 29. Nd2 Nxd2 30. Rxd2 Bxb3 31. Qd3 Ba4 32. g3 f5 33. Qc4 Bb5 34. Qb3 g5 35. Rdc2 c5 36. Qxb5 gxf4 37. exf4 a6 38. Qd3 b5 39. Qf3+ Kb6 40. dxc5+ Bxc5+ 41. Kg2 Rc7 42. Rxc5 Rxc5 43. Bd4 Ka5 44. Bxc5 Qd7 45. Qc3+ Ka4 46. Qb4# 1-0

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.05.25"]
[Round "7"]
[White "Ossolinski, Lukasz"]
[Black "Pasternak Winiarski, Adam"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1361"]
[BlackElo "1592"]
[PlyCount "108"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. Nf3 Nc6 5. d4 Bg4 6. Be2 e6 7. 0-0 Be7 8. Nbd2 0-0 9. a3 h6 10. h3 Bh5 11. Rc1 a6 12. c4 cxd4 13. Nxd4 Bxe2 14. Qxe2 Nxd4 15. exd4 Re8 16. c5 Qc7 17. b4 Nd7 18. Qg4 Bf6 19. Nf3 Nb8 20. Rfe1 Nc6 21. Rcd1 Na7 22. Ne5 a5 23. bxa5 Bxe5 24. dxe5 Qxc5 25. Qb4 Qe7 26. Qb6 Nc6 27. Rc1 Ra6 28. Rxc6 Rxb6 29. Rxb6 Ra8 30. Re3 Rxa5 31. Reb3 Ra7 32. Bd4 Qg5 33. Bb2 Qd2 34. Bc3 Qc1+ 35. Kh2 Rxa3 36. Rxb7 Rxb3 37. Rxb3 Kh7 38. Ba5 Qf4+ 39. Rg3 Qxe5 40. Bc3 d4 41. Bb2 f6 42. Kg1 Qe1+ 43. Kh2 Qxf2 44. Rf3 Qxb2 45. h4 e5 46. h5 Qe2 47. Kg3 d3 48. Kg4 Qxg2+ 49. Kh4 Qg5+ 50. Kh3 Qxh5+ 51. Kg3 d2 52. Rf2 d1Q 53. Rf1 Qg5+ 54. Kh3 Qdh5# 0-1

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.05.11"]
[Round "5"]
[White "Ossolinski, Lukasz"]
[Black "Fudala, Dominik"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1361"]
[BlackElo "1537"]
[PlyCount "162"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. h4 dxc3 12. f4 d4 13. h5 Bd7 14. Rg1 0-0-0 15. Qd3 Qb6 16. g4 Nd5 17. Rg3 Kb8 18. Bg2 Ndb4 19. axb4 Nxb4 20. Qd1 Bc6 21. Kf1 Bxg2+ 22. Kxg2 Qc6+ 23. Kh2 Qe4 24. Ba3 Nxc2 25. Bd6+ Rxd6 26. exd6 Nxa1 27. Nxd4 Qxf4 28. Ne2 Qf2+ 29. Rg2 Qh4+ 30. Kg1 Rxg4 31. Nf4 Rxg2+ 32. Nxg2 Qg5 33. Qxa1 Qc5+ 34. Kf1 Qxd6 35. Qxc3 Qd1+ 36. Kf2 Qxh5 37. Qf6 Qf5+ 38. Qxf5 exf5 39. Nf4 Kc7 40. Ke3 Kd6 41. Kd4 b5 42. Nd3 f6 43. Nc5 Kc6 44. Na6 f4 45. Nb4+ Kd6 46. Ke4 a5 47. Nd3 f3 48. Kxf3 Kd5 49. Ke3 a4 50. Kd2 Kd4 51. Nb4 Kc4 52. Nc2 b4 53. Kc1 b3 54. Ne3+ Kd3 55. Nd5 f5 56. Nb4+ Ke2 57. Nc6 f4 58. Kb2 f3 59. Nd4+ Ke3 60. Nf5+ Kf4 61. Nd4 f2 62. Ne2+ Kf3 63. Nc3 f1Q 64. Nxa4 Qd3 65. Ka3 Qb5 66. Nb2 Ke2 67. Na4 Qxa4+ 68. Kb2 Qa2+ 69. Kc3 Qc2+ 70. Kb4 b2 71. Ka3 b1N+ 72. Kb4 Kd3 73. Kb5 Qc4+ 74. Ka5 Qb3 75. Ka6 Kc4 76. Ka7 Kc5 77. Ka8 Qb5 78. Ka7 Nc3 79. Ka8 Nd5 80. Ka7 Qb6+ 81. Ka8 Nc7# 0-1

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.05.04"]
[Round "4"]
[White "Mueck, Piotr"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1347"]
[BlackElo "1361"]
[PlyCount "48"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 g6 5. cxb5 a6 6. bxa6 Bg7 7. Nc3 0-0 8. e4 Qa5 9. Bd2 Qb4 10. Qc2 Bxa6 11. Bxa6 Rxa6 12. 0-0 d6 13. h3 Nbd7 14. Rfe1 c4 15. Nd1 Qa4 16. Qxa4 Rxa4 17. Bc3 Nc5 18. Nd2 Rb8 19. f3 Bh6 20. Ne3 Nd3 21. Re2 Nf4 22. Ree1 Nd3 23. Re2 Nf4 24. Ree1 Nd3 1/2-1/2

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.04.27"]
[Round "3"]
[White "Ossolinski, Lukasz"]
[Black "Emmel, Bartosz"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "1361"]
[BlackElo "1475"]
[PlyCount "65"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. dxc5 Bxc5 6. Ngf3 Bg4 7. Be2 Nf6 8. Nb3 Bb6 9. Bg5 0-0 10. 0-0 Nc6 11. Nfd4 Bxe2 12. Nxe2 Re8 13. Ned4 h6 14. Be3 Re4 15. h3 Qd7 16. c3 Rae8 17. Nd2 Rxe3 18. fxe3 Rxe3 19. N2f3 Nxd4 20. Nxd4 Rg3 21. Rf3 Qxh3 22. Rxg3 Qxg3 23. Qf3 Qh4 24. g3 Bxd4+ 25. Kg2 Qg5 26. cxd4 Ne4 27. Qf4 Qg6 28. Rf1 Ng5 29. Qg4 Qb6 30. Qc8+ Kh7 31. Qf5+ g6 32. Qxd5 Qxb2+ 33. Rf2 1/2-1/2

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.04.20"]
[Round "2"]
[White "Urych, Krzysztof"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1440"]
[BlackElo "1361"]
[PlyCount "36"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[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. Bc4 h6 4. d4 exd4 5. Nxd4 Nf6 6. Nxc6 dxc6 7. Bxf7+ Kxf7 8. Qxd8 Bb4+ 9. Qd2 Bxd2+ 10. Nxd2 Re8 11. 0-0 Nxe4 12. Nxe4 Rxe4 13. Be3 Bf5 14. c3 Rd8 15. Rad1 Rxd1 16. Rxd1 b6 17. Rd4 Rxd4 18. Bxd4 g6 1/2-1/2

[Event "Warsaw YMCA Spring-A 273rd"]
[Site "Warsaw"]
[Date "2023.04.13"]
[Round "1"]
[White "Ossolinski, Lukasz"]
[Black "Kurowski, Maciej"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1361"]
[BlackElo "1573"]
[PlyCount "116"]
[EventDate "2023.04.13"]
[EventType "tourn"]
[EventRounds "11"]
[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 a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. cxd4 Bg7 8. d5 Ne5 9. Nxe5 Bxe5 10. Bh6 b5 11. Bb3 Bxb2 12. Nd2 Bxa1 13. Qxa1 Rg8 14. Bg5 d6 15. 0-0 h6 16. Bxh6 g5 17. f4 gxf4 18. Bxf4 Ng6 19. Bg3 Qe7 20. Nf3 Bb7 21. Qc3 0-0-0 22. Rc1 Kb8 23. Nd4 Qd7 24. a4 Rde8 25. axb5 axb5 26. Nc6+ Kc8 27. Na7+ Kd8 28. Nxb5 Rxe4 29. Nd4 Nf4 30. Bxf4 Rxf4 31. Ba4 Rxg2+ 32. Kxg2 Bxd5+ 33. Kg1 Qg4+ 34. Qg3 Rxd4 35. Bb5 c5 36. Re1 Qxg3+ 37. hxg3 Be6 38. Kf2 Ke7 39. Ke3 d5 40. Rc1 Re4+ 41. Kf3 c4 42. Rc3 Bg4+ 43. Kf2 Re2+ 44. Kf1 Rb2 45. Bxc4 dxc4 46. Rxc4 Be2+ 47. Kf2 Bxc4+ 48. Ke3 Ke6 49. Kf4 f5 50. Kg5 Ke5 51. Kh4 f4 52. Kg4 fxg3 53. Kxg3 Ke4 54. Kg4 Rg2+ 55. Kh3 Bf1 56. Kh4 Kf5 57. Kh3 Kf4 58. Kh4 Rh2# 0-1

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.12.10"]
[Round "13"]
[White "Ossolinski, Lukasz"]
[Black "Oles, Jan"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1326"]
[BlackElo "1293"]
[PlyCount "77"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 b6 4. Bd3 Bb7 5. 0-0 Nc6 6. c3 e6 7. Bg5 f6 8. Be3 Nge7 9. d5 exd5 10. exd5 Nxd5 11. Bxg6+ hxg6 12. Qxd5 Na5 13. Qd1 Nc4 14. Re1 0-0 15. Nbd2 Nxb2 16. Qb3+ d5 17. Qxb2 c5 18. Rad1 f5 19. Bxc5 bxc5 20. Qxb7 Bxc3 21. Qb3 Ba5 22. Nc4 Bxe1 23. Nxe1 Qe7 24. Ne3 c4 25. Qb5 Rad8 26. Rxd5 f4 27. Rxd8 Qxd8 28. Qxc4+ Kh7 29. N3c2 Qd2 30. Qc7+ Kh6 31. Qxa7 Re8 32. h3 f3 33. Qc5 Rxe1+ 34. Nxe1 Qxe1+ 35. Kh2 g5 36. Qf8+ Kg6 37. Qxf3 Qe5+ 38. g3 Qb2 39. a3 1-0

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.12.03"]
[Round "12"]
[White "Przybylik, Mariusz"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1142"]
[BlackElo "1326"]
[PlyCount "133"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Bd3 Nf6 6. 0-0 0-0 7. Nc3 c6 8. Bg5 Be6 9. h3 Nbd7 10. Ne2 Qc7 11. Qc1 Rfe8 12. Bf4 Nh5 13. Bxd6 Qxd6 14. Qg5 Nhf6 15. Qh4 h6 16. Qf4 Qxf4 17. Nxf4 g5 18. Nxe6 Rxe6 19. Rfe1 Rae8 20. Rxe6 Rxe6 21. Re1 Rxe1+ 22. Nxe1 Ne4 23. c4 Nef6 24. c5 Kf8 25. Bf5 Ke7 26. f3 Nh5 27. Kf2 Nf4 28. Ke3 a5 29. h4 Ne6 30. hxg5 hxg5 31. g3 b6 32. cxb6 Nxb6 33. Bxe6 Nc4+ 34. Ke2 Kxe6 35. b3 Nd6 36. Nd3 Nf5 37. Nc5+ Ke7 38. Kd3 Nd6 39. a4 Kd8 40. Kc3 Kc7 41. b4 axb4+ 42. Kxb4 Nf5 43. Nd3 Nxd4 44. Ne5 f6 45. Ng4 f5 46. Nh6 f4 47. gxf4 gxf4 48. Nf7 Nxf3 49. a5 Nd4 50. Ne5 f3 51. Nd3 Kb7 52. Kc3 Ne6 53. Kd2 Ka6 54. Ke3 f2 55. Nxf2 Kxa5 56. Nd3 Kb5 57. Ne5 c5 58. Kd3 Nf4+ 59. Kc2 d4 60. Kb3 Nd5 61. Kc2 c4 62. Kd2 Nf4 63. Kc2 Ne6 64. Kd2 Ka4 65. Nxc4 Kb3 66. Ne5 Nc5 67. Nf3 1/2-1/2

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.11.26"]
[Round "11"]
[White "Ossolinski, Lukasz"]
[Black "Matyszkiewicz, Radoslaw"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1326"]
[BlackElo "1378"]
[PlyCount "112"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nc6 6. Nc3 Qc7 7. Be2 Nf6 8. 0-0 Bb4 9. Bf3 Ne5 10. Bf4 Nxf3+ 11. Qxf3 e5 12. Bg3 Bxc3 13. bxc3 d6 14. Nb3 Qxc4 15. Nd2 Qc6 16. h3 0-0 17. Bh4 Nd7 18. Nb3 Nc5 19. Nxc5 dxc5 20. Rfd1 f6 21. Qd3 Be6 22. Qd6 Rac8 23. a3 Kf7 24. f3 Qxd6 25. Rxd6 Rfd8 26. Rb6 Rc7 27. Rab1 Rdd7 28. Bf2 Bc4 29. Be1 Bb5 30. Rc1 c4 31. Kf2 Rd3 32. Ke2 Rcd7 33. h4 Ba4 34. Rb2 Rd1 35. Rxd1 Bxd1+ 36. Kf2 b5 37. Rd2 Rd3 38. Rxd3 cxd3 39. Bd2 Ke6 40. Be3 g6 41. Bc5 d2 42. Ke3 Bxf3 43. Kxd2 Bxg2 44. Ke3 f5 45. exf5+ gxf5 46. Bf8 f4+ 47. Kf2 Bh3 48. Kf3 Kf5 49. Be7 e4+ 50. Ke2 Bg4+ 51. Kf2 e3+ 52. Ke1 f3 53. Bg5 Ke4 54. a4 f2+ 55. Kf1 Bh3+ 56. Ke2 f1Q# 0-1

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.11.19"]
[Round "10"]
[White "Bialczynski, Michal"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1216"]
[BlackElo "1326"]
[PlyCount "88"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Na6 7. 0-0 Bd7 8. a3 c6 9. h3 Nc7 10. Be3 a6 11. Bf4 Ne6 12. Bh2 Nh5 13. Qd2 b5 14. g4 Nf6 15. e5 Ne8 16. cxb5 cxb5 17. b4 N6c7 18. Ne4 Bc6 19. exd6 Bxe4 20. dxc7 Nxc7 21. Qf4 Bxf3 22. Bxf3 Ne6 23. Qd2 Nxd4 24. Bxa8 Qxa8 25. f4 Nf3+ 26. Rxf3 Qxf3 27. Ra2 Qxh3 28. Qd7 Qe3+ 29. Kg2 Qe4+ 30. Kg3 e5 31. f5 Qf4+ 32. Kh3 Qf1+ 33. Kg3 e4 34. Qd5 Qf3+ 35. Kh4 h6 36. Bg3 h5 37. Kh3 Qxg4+ 38. Kh2 Qxf5 39. Qc6 Qe6 40. Qc2 Rc8 41. Qe2 Rc3 42. a4 h4 43. Be1 Qh3+ 44. Kg1 Bd4+ 0-1

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.11.12"]
[Round "9"]
[White "Ossolinski, Lukasz"]
[Black "Kochanek, Tomasz"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1326"]
[BlackElo "1202"]
[PlyCount "87"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 0-0 10. a4 Nc6 11. f3 Qc7 12. Nd5 Bxd5 13. exd5 Na5 14. Nxa5 Qxa5 15. c4 Rfc8 16. Rb1 Qb4 17. Bd2 Qc5+ 18. Kh1 Qd4 19. Bc3 Qxd1 20. Rfxd1 Nd7 21. a5 Bg5 22. g3 f6 23. Bd3 g6 24. Bf1 Be3 25. Rd3 Ba7 26. Rdd1 Rab8 27. b3 b5 28. axb6 Bxb6 29. b4 Ra8 30. Ra1 Bd8 31. Be1 Bb6 32. Bc3 Ra7 33. Ra2 Rca8 34. Rda1 a5 35. bxa5 Bd8 36. Bb4 Nc5 37. Bxc5 dxc5 38. a6 f5 39. Rb1 Bc7 40. Rb5 Bd6 41. Rb6 Rd8 42. Rb7 Rd7 43. Rxd7 Rxd7 44. a7 1-0

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.11.08"]
[Round "8"]
[White "Piechocki, Grzegorz"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1044"]
[BlackElo "1326"]
[PlyCount "66"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Be7 7. Qe2 0-0 8. Nbd2 c5 9. c3 c4 10. Bc2 g6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qe2 b5 15. a4 b4 16. Qxc4 a5 17. Qe2 Ba6 18. c4 Re8 19. b3 Nd5 20. Bh6 Bf6 21. Ne5 Rc8 22. Qg4 Ne7 23. Rad1 Bg7 24. Bxg7 Kxg7 25. h4 Bb7 26. h5 f6 27. hxg6 fxe5 28. gxh7+ Kh8 29. Qxe6 Nc6 30. Qg4 Nxd4 31. Rd3 Qf6 32. Rg3 Nxc2 33. Qd7 Bc6 0-1

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.10.29"]
[Round "7"]
[White "Ossolinski, Lukasz"]
[Black "Przybylik, Alicja"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1326"]
[BlackElo "1041"]
[PlyCount "100"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 Nf6 4. e3 Bf5 5. Bb5 Bd7 6. 0-0 a6 7. Bd3 Bg4 8. c4 e6 9. Nbd2 Nb4 10. Be2 Nh5 11. a3 Nc6 12. Qb3 Nxf4 13. exf4 Rb8 14. cxd5 Qxd5 15. Bc4 Qd6 16. Qe3 Be7 17. Ne4 Qd7 18. Ne5 Nxe5 19. dxe5 Qc6 20. Rac1 Bf5 21. Nd2 0-0 22. Bd3 Qb6 23. Bxf5 exf5 24. Nc4 Qxe3 25. Nxe3 c6 26. Nxf5 Rfe8 27. Rfd1 g6 28. Ne3 f6 29. Nc4 fxe5 30. fxe5 Bg5 31. Rc2 b5 32. Na5 Rbd8 33. Rxd8 Rxd8 34. g3 c5 35. Rxc5 Rd1+ 36. Kg2 Rd2 37. b3 Be3 38. Rc8+ Kf7 39. e6+ Ke7 40. Nc6+ Kxe6 41. Re8+ Kd7 42. Rxe3 Kxc6 43. h4 a5 44. Kf3 Kd5 45. g4 h6 46. Kg2 Ra2 47. b4 axb4 48. axb4 Rb2 49. Rd3+ Ke5 50. Re3+ Kd5 1/2-1/2

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.10.22"]
[Round "6"]
[White "Markiewicz, Janusz"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1140"]
[BlackElo "1326"]
[PlyCount "175"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 e5 4. axb4 Bxb4 5. c3 Be7 6. Bc4 Nf6 7. Nf3 Nc6 8. Bd5 0-0 9. 0-0 d6 10. h3 Qc7 11. d4 exd4 12. cxd4 Nxd5 13. exd5 Nb4 14. Qb3 Na6 15. Na3 Bd7 16. Bd2 b6 17. Rac1 Qb7 18. Rc3 Rfc8 19. Re3 Bf8 20. Ng5 Nc7 21. Qd3 g6 22. Rf3 Bf5 23. Rxf5 gxf5 24. Qxf5 Bg7 25. Qxf7+ Kh8 26. Qh5 Kg8 27. Qf7+ Kh8 28. Ne6 Rg8 29. Qxc7 Qxd5 30. Qc4 Qf5 31. Nf4 Rac8 32. Qd5 Qxd5 33. Nxd5 Rge8 34. Nb5 Rc2 35. Be3 a5 36. Ndc3 Rc8 37. Na4 Ra2 38. Nac3 Rc2 39. Nd5 Bf8 40. Nxb6 Rb8 41. d5 Rxb6 42. Bxb6 a4 43. Bd4+ Kg8 44. Ra1 Rc4 45. Be3 Rb4 46. Nc7 Bg7 47. Ra2 Be5 48. g3 Bb2 49. Bf4 a3 50. Bxd6 Rc4 51. Nb5 Rc1+ 52. Kg2 Rd1 53. Bxa3 Bxa3 54. Rxa3 Rxd5 55. Nc7 Rd2 56. Ra7 Kf7 57. Nb5+ Kg6 58. h4 h5 59. Ra6+ Kg7 60. Nd6 Rb2 61. Ne4 Rb5 62. Nd6 Rb2 63. Nf5+ Kf7 64. Kf3 Rb5 65. Ke4 Rb4+ 66. Nd4 Kg7 67. Rd6 Ra4 68. Kf4 Ra2 69. f3 Ra5 70. Ke4 Ra4 71. Ke5 Ra3 72. Nf5+ Kf7 73. f4 Ra5+ 74. Rd5 Ra1 75. Nd6+ Ke7 76. Kf5 Ra3 77. Ne4 Ra4 78. Nf6 Ra3 79. Nxh5 Rb3 80. Re5+ Kf7 81. g4 Rb4 82. g5 Ra4 83. g6+ Kf8 84. Nf6 Kg7 85. Kg5 Ra8 86. h5 Kf8 87. Re8+ Kg7 88. Rxa8 1/2-1/2

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.10.15"]
[Round "5"]
[White "Flig, Wojciech"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1321"]
[BlackElo "1326"]
[PlyCount "130"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 c6 6. Bg5 Nf6 7. Qe2+ Be6 8. 0-0-0 Nbd7 9. h3 0-0 10. Qd2 Qc7 11. Bd3 h6 12. Be3 Rfe8 13. g4 Ne4 14. Bxe4 dxe4 15. Nh4 g5 16. Ng2 Nb6 17. Nxe4 Bd5 18. Nf6+ Kf8 19. Nxe8 Rxe8 20. Rhg1 Nc4 21. Qd3 Bh2 22. Rge1 b5 23. Qh7 Re6 24. b3 Nd6 25. Nh4 gxh4 26. Bxh6+ Ke7 27. Bg5+ Kd7 28. Rxe6 Bxe6 29. Bxh4 Bf4+ 30. Kb2 a5 31. Qd3 a4 32. Bg3 Bxg3 33. Qxg3 Qa5 34. Qd3 Bd5 35. f3 b4 36. h4 Nb5 37. Qf5+ Be6 38. Qd3 axb3 39. cxb3 Qa3+ 40. Ka1 Nc3 41. Qc2 Bxb3 42. Qxb3 Qxb3 43. axb3 Nxd1 44. Kb1 f6 45. Kc2 Ne3+ 46. Kd3 Nd5 47. Ke4 Ke6 48. h5 Kf7 49. Kd3 f5 50. gxf5 Nf4+ 51. Kc4 Nxh5 52. Kxb4 Ke7 53. Kc5 Kd7 54. d5 cxd5 55. Kxd5 Nf6+ 56. Ke5 Ke7 57. b4 Ne8 58. b5 Nf6 59. Kd4 Kd6 60. f4 Nd5 61. Ke4 Nc3+ 62. Kf3 Nxb5 63. Kg4 Ke7 64. Kg5 Kf7 65. f6 Nc7 1/2-1/2

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.10.08"]
[Round "4"]
[White "Ossolinski, Lukasz"]
[Black "Szopa, Andrzej1"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1326"]
[BlackElo "1089"]
[PlyCount "115"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c5 5. Nf3 Nc6 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bb5 a6 9. Ba4 b5 10. Bb3 c4 11. Bc2 Bb4+ 12. Bd2 0-0 13. 0-0 Bb7 14. a3 Bxd2 15. Qxd2 e5 16. e4 Qd6 17. d5 Ne7 18. Qc3 Ng6 19. Rfe1 Rfc8 20. Qa5 Nf4 21. Rad1 Rc7 22. Nh4 g6 23. Nf3 f6 24. g3 Nh5 25. Re3 Ng7 26. Rc3 Ne8 27. b3 cxb3 28. Bxb3 Rxc3 29. Qxc3 Qxa3 30. d6+ Kf8 31. d7 Qe7 32. dxe8Q+ Rxe8 33. Qe3 Kg7 34. Rc1 g5 35. Qb6 Rd8 36. Qe3 Kg6 37. h3 Qb4 38. Bc2 Rc8 39. Rb1 Qc3 40. Ne1 Rc4 41. Qxc3 Rxc3 42. f3 Kf7 43. Kf2 Ke6 44. Bb3+ Kd6 45. Nc2 a5 46. Ne3 Kc5 47. Ke2 Bc6 48. Kd2 Kd4 49. Nf5+ Kc5 50. Kxc3 b4+ 51. Kd2 a4 52. Rc1+ Kb6 53. Rxc6+ Kxc6 54. Bxa4+ Kc5 55. Bb3 Kb5 56. Kd3 Kc5 57. Nh6 Kb5 58. Ng4 1-0

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.10.01"]
[Round "3"]
[White "Sloniewski, Wojciech"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1326"]
[PlyCount "40"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. f3 dxe4 4. fxe4 Qh4+ 5. g3 Qxe4+ 6. Qe2 Qxd4 7. Nf3 Qd8 8. Nc3 Nf6 9. Bg5 Bb4 10. Qb5+ Nc6 11. Ne5 Bxc3+ 12. bxc3 Qd5 13. Qxd5 Nxd5 14. Nxc6 bxc6 15. Bg2 Ba6 16. 0-0-0 0-0 17. Bd2 Rab8 18. h4 Rb6 19. g4 Rfb8 20. Rde1 Rb1# 0-1

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.09.25"]
[Round "1"]
[White "Sarnecki, Rafal"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1286"]
[BlackElo "1326"]
[PlyCount "85"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. Nbd2 Re8 9. Ne5 g6 10. h3 Nxe5 11. Bxe5 Bd7 12. Nf3 Rc8 13. Bf4 Bc6 14. Ne5 Nd7 15. Nxc6 bxc6 16. Ba6 Rb8 17. Bxb8 Qxb8 18. b3 c4 19. bxc4 Qc7 20. cxd5 cxd5 21. Bb5 Rb8 22. Bxd7 Qxd7 23. Rb1 Rc8 24. Qb3 Bd8 25. Rfc1 Rc4 26. Qb7 Qxb7 27. Rxb7 Bb6 28. Kf1 g5 29. g4 Kg7 30. Ke2 Kg6 31. Kd3 h6 32. Rb1 Ra4 33. Rb2 Ra3 34. Rc2 Ra4 35. e4 f6 36. exd5 exd5 37. Rd7 Ra5 38. Re2 h5 39. Ree7 hxg4 40. hxg4 Bxd4 41. Rg7+ Kh6 42. Rh7+ Kg6 43. Rdg7# 1-0

[Event "Warsaw YMCA Autumn-D 223rd"]
[Site "Warsaw"]
[Date "2019.09.24"]
[Round "2"]
[White "Ossolinski, Lukasz"]
[Black "Iller, Robert"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1326"]
[BlackElo "1350"]
[PlyCount "78"]
[EventDate "2019.09.19"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. Qd2 b5 8. a3 a5 9. Bd3 Bb7 10. 0-0 Nbd7 11. Rfe1 Qc7 12. Bh6 e5 13. Bxg7 Kxg7 14. b4 axb4 15. axb4 exd4 16. Nxd4 Ne5 17. Nb3 Rxa1 18. Rxa1 Ra8 19. Rxa8 Bxa8 20. Qe3 Nxd3 21. Qxd3 Ne8 22. Qd4+ Kg8 23. Ne2 Ng7 24. Qa1 Qc8 25. f3 c5 26. Qa5 Bc6 27. bxc5 dxc5 28. Nxc5 Be8 29. Qb4 Ne6 30. Nxe6 Qxe6 31. Nd4 Qe5 32. c3 Qc7 33. Nxb5 Bxb5 34. Qxb5 Qxc3 35. Qb8+ Kg7 36. Qf4 f6 37. Qd6 h5 38. Kh2 h4 39. Qf4 Qe1 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.08.06"]
[Round "9"]
[White "Ossolinski, Lukasz"]
[Black "Bartczak, Hanna"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1327"]
[BlackElo "1411"]
[PlyCount "119"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Nxd4 10. Bxd4 Be6 11. f3 Nd7 12. Rc1 Bxd4+ 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. b3 Bd7 16. Rfd1 f5 17. Bd3 Kg7 18. exf5 Bxf5 19. Bxf5 Rxf5 20. Rc2 Re5 21. Re2 Rxe2 22. Nxe2 Nd7 23. Nc3 Ne5 24. Nd5 Kf7 25. Kf2 Rc8 26. Ke2 e6 27. Nb4 a5 28. Nd3 Nc6 29. Nf2 Ke7 30. Ne4 Rd8 31. Nc3 Nb4 32. Rd2 Na6 33. Ke3 Nc7 34. f4 Rf8 35. g3 Rd8 36. Ke2 d5 37. cxd5 exd5 38. Kd3 Kd6 39. Ne2 Ne6 40. Nd4 Nc5+ 41. Kc2 Ne4 42. Rd3 Rc8+ 43. Kb2 Rc5 44. f5 b5 45. Ne6 Rc6 46. Nf4 Nf6 47. fxg6 hxg6 48. Nxg6 b4 49. Nf4 Ke5 50. h4 d4 51. h5 Ke4 52. h6 Nh7 53. a3 Rxh6 54. axb4 axb4 55. Rd2 Rc6 56. Rd1 Ng5 57. Nd3 Rc3 58. Nxb4 Rxg3 59. Re1+ Re3 60. Nc2 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.08.01"]
[Round "8"]
[White "Ossolinski, Lukasz"]
[Black "Kwiek, Janusz"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1327"]
[BlackElo "1426"]
[PlyCount "63"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. h3 0-0 6. Bc4 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Be3 Nxd4 10. Bxd4 Bd7 11. Re1 Rc8 12. Bb3 a6 13. Nd5 Nxd5 14. exd5 Bxd4 15. Qxd4 Bf5 16. c3 Re8 17. Re3 e5 18. dxe6 Bxe6 19. Rae1 Qd7 20. Qf6 Bxb3 21. axb3 Rxe3 22. Rxe3 Re8 23. Rxe8+ Qxe8 24. Qxd6 Qe1+ 25. Kh2 Qxf2 26. Qb8+ Kg7 27. Qxb7 Qxb2 28. Qxa6 Qxc3 29. Qb7 Qe5+ 30. Kh1 Qe1+ 31. Kh2 Qe5+ 32. Kg1 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.30"]
[Round "7"]
[White "Ossolinski, Lukasz"]
[Black "Bartczak, Hanna"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1327"]
[BlackElo "1411"]
[PlyCount "50"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. c3 e5 13. Qd2 Be6 14. b3 a6 15. c4 Rad8 16. Qa5 f5 17. Rad1 Rd7 18. Rxd7 Qxd7 19. Rd1 Qf7 20. Bc5 Re8 21. Rd8 e4 22. Rxe8+ Qxe8 23. Qc7 Qd7 24. Qxd7 Bxd7 25. f3 Bc6 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.26"]
[Round "1"]
[White "Ossolinski, Lukasz"]
[Black "Kuznik, Kamil"]
[Result "0-1"]
[ECO "E30"]
[WhiteElo "1327"]
[BlackElo "1596"]
[PlyCount "118"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 d5 4. cxd5 Bb4+ 5. Nc3 exd5 6. e3 h6 7. Bh4 c5 8. a3 Bxc3+ 9. bxc3 c4 10. Bxf6 Qxf6 11. Qf3 Qc6 12. g3 Qb5 13. Qd1 Bf5 14. Bg2 Bd3 15. Ne2 Qb2 16. Bf3 Bxe2 17. Bxe2 Qxc3+ 18. Kf1 Nc6 19. Bf3 Rd8 20. Kg2 b5 21. Qb1 a6 22. Qf5 0-0 23. Rhc1 Qa5 24. Bd1 Qb6 25. Bc2 g6 26. Qf6 Rd7 27. h4 Qc7 28. Bd1 a5 29. Rab1 b4 30. axb4 axb4 31. Ba4 Rd6 32. Qf4 b3 33. Bxc6 Qxc6 34. Qxh6 Rb8 35. h5 gxh5 36. Qxh5 Rh6 37. Qg5+ Kf8 38. Rh1 Qg6 39. Qxg6 Rxg6 40. Rhc1 Rc6 41. Rc3 Ra6 42. e4 b2 43. exd5 Ra1 44. Rxb2 Rxb2 45. Rxc4 Raa2 46. d6 Rxf2+ 47. Kh3 Ke8 48. Rc7 Ra6 49. Re7+ Kd8 50. g4 Rxd6 51. Re4 Rd2 52. Kh4 R2xd4 53. Re3 Rg6 54. Kh5 Rgxg4 55. Kh6 Rd2 56. Rh3 f5 57. Rh5 f4 58. Rh3 f3 59. Kh5 Rg8 0-1

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.23"]
[Round "5"]
[White "Ossolinski, Lukasz"]
[Black "Kwiek, Janusz"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1327"]
[BlackElo "1426"]
[PlyCount "111"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 g6 3. c3 Bg7 4. Bb5 d6 5. d4 Bd7 6. Be3 e6 7. Nbd2 Nge7 8. 0-0 0-0 9. Bd3 f5 10. exf5 Nxf5 11. Bg5 Bf6 12. Bxf6 Qxf6 13. Ne4 Qg7 14. Qd2 Rae8 15. Rae1 e5 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Ng3 Nxg3 19. hxg3 Rfe8 20. Rxe5 Qxe5 21. Bc4+ Kg7 22. Rd1 Bc6 23. Qd4 Qxd4 24. cxd4 d5 25. Bd3 Kf6 26. f3 h6 27. Kf2 g5 28. g4 Bd7 29. b4 c6 30. a3 Re7 31. Rh1 Kg7 32. Rc1 a6 33. Rc2 Rf7 34. Kg3 Rf4 35. Re2 Kf6 36. Kf2 Rxd4 37. Ke3 Ke5 38. g3 c5 39. Kd2+ Kd6 40. Kc3 Bb5 41. Bxb5 axb5 42. bxc5+ Kxc5 43. Re7 Rc4+ 44. Kb3 d4 45. Re5+ Kb6 46. f4 Rc3+ 47. Kb4 Rxg3 48. fxg5 Rxg4 49. gxh6 Rh4 50. Rxb5+ Kc6 51. a4 Rxh6 52. Kc4 Rd6 53. Kd3 b6 54. Rb4 Rd5 55. Rc4+ Rc5 56. Kxd4 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.19"]
[Round "6"]
[White "Borys, Marek"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1366"]
[BlackElo "1327"]
[PlyCount "79"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Bg5 c6 7. Nge2 Bg4 8. f3 Bh5 9. Qd2 Nbd7 10. 0-0-0 Qc7 11. Nf4 0-0 12. Nxh5 Nxh5 13. g4 Nhf6 14. Kb1 Rfe8 15. h4 Qd6 16. h5 Nf8 17. Bf5 h6 18. Be3 N8h7 19. g5 Nxg5 20. Bxg5 hxg5 21. Qxg5 Nh7 22. Bxh7+ Kxh7 23. Qf5+ Kh6 24. Rdg1 Qf8 25. Rg6+ Kh7 26. Rf6+ Kh8 27. Rxf7 Qg8 28. h6 Qh7 29. hxg7+ Kg8 30. Qxh7+ Kxf7 31. a3 Rg8 32. Rg1 Ba5 33. Qf5+ Ke7 34. Re1+ Kd8 35. Qf7 Bxc3 36. bxc3 b6 37. Qxg8+ Kc7 38. Qxa8 b5 39. Qxa7+ Kd6 40. Qe7# 1-0

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.19"]
[Round "2"]
[White "Jaroszuk, Marcin"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1425"]
[BlackElo "1327"]
[PlyCount "107"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. f4 b6 2. Nf3 Bb7 3. e3 e6 4. Be2 Nf6 5. 0-0 Be7 6. b3 Ne4 7. Bb2 Bf6 8. Qc1 Bxb2 9. Qxb2 Qf6 10. Qxf6 Nxf6 11. c4 d6 12. Nc3 a6 13. d4 Nbd7 14. Nd2 0-0 15. e4 Rad8 16. Rac1 g6 17. g4 h6 18. h4 Kg7 19. Rf2 h5 20. g5 Ng4 21. Bxg4 hxg4 22. f5 exf5 23. exf5 f6 24. Re1 Rde8 25. gxf6+ Nxf6 26. Rxe8 Rxe8 27. d5 Bc8 28. fxg6 Kxg6 29. Kh2 g3+ 30. Kxg3 Re3+ 31. Rf3 Rxf3+ 32. Nxf3 Bd7 33. Nd4 Nh5+ 34. Kf3 Ng7 35. Nce2 Kh5 36. Nf4+ Kxh4 37. Nfe6 Ne8 38. Kf4 Kh5 39. Nc6 Bxc6 40. dxc6 Kg6 41. Ke4 Kf6 42. Kd5 Ke7 43. Nf4 Nf6+ 44. Kd4 Ne8 45. b4 Ng7 46. Ne2 Nf5+ 47. Ke4 Ng7 48. Nc3 Ne6 49. a4 a5 50. bxa5 bxa5 51. Nd5+ Kd8 52. Nc3 Nc5+ 53. Kd5 Kc8 54. Kd4 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.18"]
[Round "4"]
[White "Sloniewska, Alicja"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1540"]
[BlackElo "1327"]
[PlyCount "135"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. Be2 Bg7 9. Nf3 0-0 10. 0-0 Bg4 11. Nd2 Bxe2 12. Qxe2 Nbd7 13. a4 Rfb8 14. Nc4 Qc7 15. h3 Nb6 16. Na3 Nfd7 17. a5 Nc8 18. Nc4 Ne5 19. Nd2 Qb7 20. f4 Nd7 21. Nc4 Na7 22. Na4 Nb5 23. Nab6 Ra7 24. e5 Nxb6 25. Nxb6 Nd4 26. Qe4 Nb3 27. Ra3 Nxa5 28. Rxa5 Qxb6 29. Ra3 Qb4 30. Qf3 f5 31. exd6 exd6 32. b3 Re8 33. Ra4 Qc3 34. Rc4 Qxf3 35. Rxf3 Rb7 36. Bd2 Re4 37. Kf1 Rxc4 38. bxc4 Bd4 39. Ra3 Ra7 40. Ba5 Rb7 41. Ra2 Rb1+ 42. Ke2 Rb2+ 43. Rxb2 Bxb2 44. Bc7 Bd4 45. Bxd6 Kf7 46. Bc7 Ke7 47. Ba5 Kd6 48. Kf3 Bb2 49. Ke3 Bc1+ 50. Kf3 Bb2 51. Ke2 Bc1 52. g3 Bb2 53. Kd3 Bf6 54. Bc3 Bd8 55. Be5+ Kd7 56. Kc2 Ba5 57. Bc3 Bd8 58. Kb3 g5 59. Ka4 gxf4 60. gxf4 Bc7 61. Bd2 h5 62. Be3 Kd6 63. Bd2 Kd7 64. Bc1 Ke7 65. Ba3 Kd6 66. Kb3 Ba5 67. Bb2 Bd2 68. Be5+ 1/2-1/2

[Event "Warsaw YMCA Summer-B 218th"]
[Site "Warsaw"]
[Date "2019.07.16"]
[Round "3"]
[White "Ossolinski, Lukasz"]
[Black "Rembecki, Robert"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1327"]
[BlackElo "1363"]
[PlyCount "115"]
[EventDate "2019.07.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. 0-0 Nc6 10. Be3 Qa5 11. a4 cxd4 12. cxd4 Rd8 13. Rc1 Rd6 14. Rc5 Qd8 15. d5 Ne5 16. Nxe5 Bxe5 17. f4 Bg7 18. e5 Rd7 19. Bb5 Rc7 20. Qc1 Rxc5 21. Qxc5 Bf5 22. d6 exd6 23. Qxd6 Bf8 24. Qxd8 Rxd8 25. Bxa7 Rd2 26. Re1 Bb4 27. Re2 Rd1+ 28. Kf2 Bg4 29. Rb2 Be1+ 30. Ke3 Rc1 31. h3 Be6 32. Ke2 Bc3 33. Rd2 Bxd2 34. Kxd2 Ra1 35. Ke3 Bb3 36. Bd4 Ra2 37. e6 Bxe6 38. Bc3 Rxg2 39. Bf1 Rh2 40. h4 Bd5 41. Bf6 Ra2 42. Kd4 Bc6 43. Bb5 Bf3 44. Kc5 Rc2+ 45. Kb6 Rh2 46. Bd7 Rc2 47. f5 Bc6 48. Bc8 Rb2+ 49. Bxb2 Bxa4 50. fxg6 hxg6 51. Bxb7 Bb3 52. Kc5 Kh7 53. Bf6 Kh6 54. Bg5+ Kg7 55. Kd4 f6 56. Bf4 g5 57. hxg5 fxg5 58. Bxg5 1/2-1/2

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.06.18"]
[Round "11"]
[White "Ossolinski, Lukasz"]
[Black "Bialczynski, Michal"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1346"]
[BlackElo "1223"]
[PlyCount "152"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 g6 7. Nc3 Bg7 8. Be3 0-0 9. Be2 Bd7 10. 0-0 Nc6 11. Qd2 Nxd4 12. Bxd4 h5 13. Bf2 Rb8 14. Rab1 Qa5 15. b4 Qd8 16. Rfd1 b5 17. a3 Kh7 18. c5 dxc5 19. Bxc5 Re8 20. e5 Qc8 21. exf6 Bxf6 22. Ne4 Bf5 23. Nxf6+ exf6 24. Bd3 Rd8 25. Qc2 Be6 26. Be4 Bc4 27. Rxd8 Qxd8 28. Rd1 Qe8 29. Qd2 Bb3 30. Bc2 Bc4 31. Qf2 Kg7 32. Re1 Qd7 33. Qd4 Rd8 34. Rd1 Qxd4+ 35. Rxd4 Re8 36. Bd3 Re1+ 37. Kf2 Rc1 38. Bxc4 bxc4 39. Ke2 c3 40. Rc4 Rc2+ 41. Kd3 Rd2+ 42. Kxc3 Rxg2 43. Rh4 Kh6 44. f4 g5 45. fxg5+ fxg5 46. Rh3 g4 47. Be3+ Kg6 48. Rh4 f5 49. Kd3 Ra2 50. Bf4 Rxa3+ 51. Kc2 Rf3 52. Bc1 f4 53. h3 Kg5 54. hxg4 Kxh4 55. gxh5 Kxh5 56. Kd2 Rb3 57. Ke2 Rxb4 58. Kf3 Kg5 59. Bd2 Rc4 60. Ba5 Kf5 61. Be1 Ra4 62. Bh4 Ra3+ 63. Kf2 a5 64. Be7 Ra2+ 65. Kf3 a4 66. Bd6 Ra1 67. Kf2 a3 68. Ke2 a2 69. Bb4 Rc1 70. Kd3 Rd1+ 71. Ke2 a1Q 72. Kf3 Rd3+ 73. Kf2 Qb2+ 74. Kf1 Rd1+ 75. Be1 Qd2 76. Kg1 Rxe1# 0-1

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.06.11"]
[Round "10"]
[White "Sloniewski, Wojciech"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "1346"]
[PlyCount "116"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. b3 g6 5. Nf3 Bg7 6. e3 bxc4 7. Bxc4 d6 8. Bb2 0-0 9. 0-0 Nbd7 10. Nbd2 a5 11. e4 Ba6 12. e5 Ne8 13. Re1 Bxc4 14. Nxc4 Nb6 15. e6 Nxc4 16. Bxg7 Nxg7 17. bxc4 fxe6 18. dxe6 Qc8 19. Qd5 Rb8 20. Nd2 Rf5 21. Qe4 Re5 22. Qg4 Qxe6 23. Qxe6+ Rxe6 24. Nb3 a4 25. Na5 Rxe1+ 26. Rxe1 Rb2 27. h3 Kf8 28. Nc6 e6 29. Rd1 Ne8 30. Re1 e5 31. a3 Rc2 32. Na5 Rc3 33. Re3 Rxe3 34. fxe3 Ke7 35. Kf2 Kd7 36. Ke2 Kc7 37. Kf3 Kb6 38. Kg4 h6 39. h4 Nf6+ 40. Kf3 Kxa5 41. g4 Kb6 42. g5 hxg5 43. hxg5 Nh7 44. Kg4 Kc6 45. e4 Nf8 46. Kh4 Ne6 47. Kg4 Nd4 48. Kh4 Nc2 49. Kg4 Nxa3 50. Kh4 Nxc4 51. Kg4 a3 52. Kh4 a2 53. Kg4 a1Q 54. Kh4 Ne3 55. Kg3 Qf1 56. Kh4 Qe2 57. Kg3 Qg2+ 58. Kh4 Qg4# 0-1

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.06.04"]
[Round "9"]
[White "Ossolinski, Lukasz"]
[Black "Markiewicz, Janusz"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "1346"]
[BlackElo "1106"]
[PlyCount "82"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. d3 Qxd5 6. Nbd2 Bf5 7. dxe4 Nxe4 8. Nxe4 Qxe4 9. Nd4 Qxe2+ 10. Bxe2 Be4 11. Bf3 Bxf3 12. Nxf3 Bd6 13. 0-0 0-0 14. c3 Nc6 15. Be3 f6 16. Rad1 g5 17. Nd4 Nxd4 18. Rxd4 h6 19. Rd3 f5 20. f3 f4 21. Bf2 Rfe8 22. Re1 Rxe1+ 23. Bxe1 Rd8 24. Bf2 b6 25. Kf1 c5 26. c4 Kf7 27. a4 Ke6 28. Be1 Re8 29. Bc3 Re7 30. Kf2 Kd7 31. h3 Kc6 32. Bf6 Re6 33. Bc3 Be5 34. Bxe5 Rxe5 35. g3 fxg3+ 36. Kxg3 h5 37. b3 Kc7 38. h4 gxh4+ 39. Kxh4 Rf5 40. Kg3 a6 41. Kh4 Kc6 1/2-1/2

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.05.28"]
[Round "8"]
[White "Przybylik, Alicja"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1009"]
[BlackElo "1346"]
[PlyCount "60"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Nc3 c6 5. d4 Bd6 6. Bd3 Ne7 7. g3 Bf5 8. Bxf5 Nxf5 9. Qe2+ Qe7 10. Qxe7+ Bxe7 11. Bf4 0-0 12. 0-0-0 Nd7 13. Rde1 Bf6 14. Ne2 g6 15. g4 Nh4 16. Nxh4 Bxh4 17. Bg3 Bf6 18. c3 Rfe8 19. Nf4 Bg7 20. Nd3 b6 21. Nb4 c5 22. Nxd5 cxd4 23. cxd4 Bxd4 24. Nc7 Rxe1+ 25. Rxe1 Rc8 26. Re8+ Rxe8 27. Nxe8 Nc5 28. Kc2 Ne6 29. Nd6 a5 30. b3 Kf8 1/2-1/2

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.05.21"]
[Round "7"]
[White "Ossolinski, Lukasz"]
[Black "Kochanek, Tomasz"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1346"]
[BlackElo "1243"]
[PlyCount "62"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nf6 5. 0-0 e6 6. c4 Qd8 7. d4 c6 8. Nc3 Bxf3 9. Bxf3 Qc7 10. d5 Bd6 11. g3 e5 12. Be3 Bb4 13. dxc6 Nxc6 14. Nd5 Nxd5 15. cxd5 0-0-0 16. Qa4 Qa5 17. Qc2 Rxd5 18. Bxd5 Qxd5 19. Bxa7 Qe6 20. a3 Bd6 21. b4 Kd7 22. Bc5 Bxc5 23. Qxc5 Nd4 24. Rad1 b6 25. Rxd4+ exd4 26. Qxd4+ Kc6 27. Qxg7 Rd8 28. Qxh7 Qb3 29. Qh6+ Kb5 30. h4 Rd3 31. Qf6 Rxg3+ 1/2-1/2

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "6"]
[White "Szopa, Andrzej1"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "1051"]
[BlackElo "1346"]
[PlyCount "84"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 Nc6 7. Nb3 0-0 8. Be2 d6 9. 0-0 a6 10. Re1 Qc7 11. Be3 Ne5 12. c5 Be6 13. Nd5 Bxd5 14. exd5 Ned7 15. Rc1 Ne4 16. cxd6 Qxd6 17. f3 Nef6 18. Nc5 Nxc5 19. Bxc5 Qxd5 20. Bxe7 Rfe8 21. Bxf6 Qxd1 22. Rcxd1 Bxf6 23. Rd2 Rac8 24. Red1 Bg5 25. f4 Bxf4 26. Bg4 Bxd2 27. Rxd2 Red8 28. Re2 Rc7 29. h3 Kg7 30. Kf2 Rd6 31. Bf3 b6 32. Ke1 Re6 33. Rxe6 fxe6 34. Kd2 Kf6 35. Be4 Ke5 36. Bf3 a5 37. Kd1 Kd4 38. Kd2 Rc5 39. Be2 h5 40. b3 e5 41. Ba6 e4 42. Bb7 Rg5 0-1

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.05.07"]
[Round "5"]
[White "Ossolinski, Lukasz"]
[Black "Iller, Robert"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1346"]
[PlyCount "68"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 Nc6 6. Be3 0-0 7. Be2 e5 8. dxe5 dxe5 9. 0-0 a6 10. a4 h6 11. Nd2 Nd4 12. Bc4 Nh5 13. Nf3 c6 14. a5 Nf4 15. Bxf4 exf4 16. Qd3 Nxf3+ 17. Qxf3 Be6 18. Bd3 Qh4 19. Rab1 g5 20. Be2 f5 21. exf5 Bxf5 22. Bd3 g4 23. hxg4 Bxg4 24. Qe4 Bf5 25. Qf3 Rae8 26. Rfe1 Bg4 27. Bc4+ Kh8 28. Qd3 f3 29. Rxe8 Rxe8 30. Qg6 Bh5 31. Qd3 Be5 32. g3 Bxg3 33. Ne4 Qh2+ 34. Kf1 Qh1# 0-1

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.04.30"]
[Round "4"]
[White "Przybylik, Mariusz"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1099"]
[BlackElo "1346"]
[PlyCount "64"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 Nxd5 5. Nf3 Be7 6. Bc4 0-0 7. Bxd5 exd5 8. 0-0 Bg4 9. h3 Bh5 10. Qd3 c6 11. Ne2 Bg6 12. Qd1 Na6 13. c3 Bd6 14. Bf4 Nc7 15. Bxd6 Qxd6 16. Ng3 Rfe8 17. Re1 Rxe1+ 18. Qxe1 Re8 19. Qd2 f6 20. Re1 Rxe1+ 21. Qxe1 Qe6 22. Qd2 Ne8 23. Nh4 Nd6 24. Nxg6 hxg6 25. b3 Kf7 26. Qe3 Qxe3 27. fxe3 Nb5 28. Ne2 Nd6 29. Ng3 Ke6 30. Kf2 Nb5 31. Ne2 Nd6 32. Ng3 Nb5 1/2-1/2

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.04.23"]
[Round "3"]
[White "Ossolinski, Lukasz"]
[Black "Oles, Jan"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1346"]
[BlackElo "1226"]
[PlyCount "87"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. exd5 Qxd5 6. Nxc6 Qxd1+ 7. Kxd1 bxc6 8. Be2 e5 9. Be3 Nf6 10. c4 a5 11. Nd2 a4 12. Bf3 Bg4 13. h3 Bxf3+ 14. Nxf3 Nd7 15. Kc2 g6 16. Rhd1 Bg7 17. Rab1 Rb8 18. b4 Nb6 19. Bxb6 Rxb6 20. Ng5 Ke7 21. Ne4 Rd8 22. Rxd8 Kxd8 23. a3 f5 24. Nc5 Kc8 25. f3 h5 26. Rd1 g5 27. Nxa4 Ra6 28. Kb3 g4 29. hxg4 hxg4 30. Nc5 Ra7 31. Ne6 Bf6 32. Nc5 gxf3 33. gxf3 Bh4 34. Rh1 Bf2 35. Rh8+ Kc7 36. Rh7+ Kb6 37. Rxa7 Kxa7 38. Nd3 e4 39. fxe4 Bd4 40. exf5 Kb7 41. c5 Kc7 42. Kc4 Bg1 43. Ne5 Bh2 44. Nf3 1-0

[Event "Warsaw YMCA Spring-D 216th"]
[Site "Warsaw"]
[Date "2019.04.09"]
[Round "1"]
[White "Ossolinski, Lukasz"]
[Black "Szymkiewicz, Witold"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1346"]
[PlyCount "41"]
[EventDate "2019.04.09"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "POL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 d5 4. exd5 cxd4 5. dxe6 Bxe6 6. Nxd4 Qa5+ 7. c3 Nd7 8. Qf3 Bd5 9. Qe2+ Ne7 10. Bd2 a6 11. c4 Qc5 12. Nb3 Bxc4 13. Qxc4 Qxc4 14. Bxc4 Rc8 15. Be2 g6 16. Bc3 Rg8 17. Bf3 b5 18. Bb7 Rc7 19. Bxa6 Nc5 20. Bxb5+ Kd8 21. Ba5 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.03.12"]
[Round "11"]
[White "Zbijowski, Patryk"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1056"]
[BlackElo "1371"]
[PlyCount "88"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. e3 0-0 6. Nge2 a6 7. 0-0 d6 8. a3 Be6 9. d4 exd4 10. exd4 Nxd4 11. Nxd4 Bxc4 12. Re1 c6 13. b4 Ba7 14. Bg5 h6 15. Bf4 Re8 16. Nf5 d5 17. Qc1 Qb6 18. Nxg7 Qxf2+ 19. Kh1 Rxe1+ 20. Qxe1 Qxe1+ 21. Rxe1 Kxg7 22. Be5 Kg6 23. Ne2 Ng4 24. Nf4+ Kh7 25. Bh3 Nf2+ 26. Kg2 Nxh3 27. Nxh3 Re8 28. Nf4 f6 29. Bc3 Rxe1 30. Bxe1 d4 31. Bf2 a5 32. g4 axb4 33. axb4 Bb8 34. Nh5 Be5 35. h4 b6 36. Ng3 c5 37. bxc5 bxc5 38. Ne4 Bd5 39. Kf3 h5 40. gxh5 f5 41. Ke2 fxe4 42. Be1 Bf4 43. Ba5 d3+ 44. Kd1 e3 0-1

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.03.05"]
[Round "10"]
[White "Ossolinski, Lukasz"]
[Black "Szopa, Andrzej1"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1371"]
[BlackElo "1026"]
[PlyCount "43"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. c4 c5 3. Nf3 Nc6 4. Be2 e5 5. Nc3 Nf6 6. d3 h6 7. Be3 Be7 8. h3 Be6 9. Qd2 a6 10. 0-0 Qa5 11. a3 b5 12. b4 cxb4 13. axb4 Qd8 14. Nd5 Nd7 15. Rfc1 Qb8 16. cxb5 Bxd5 17. bxc6 Bxc6 18. Rxc6 0-0 19. Rcxa6 Qb7 20. b5 Rfc8 21. Qa2 Rab8 22. Ra7 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.02.26"]
[Round "9"]
[White "Flig, Wojciech"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1295"]
[BlackElo "1371"]
[PlyCount "120"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Qe2 c5 9. Bg5 Be7 10. 0-0-0 Qc7 11. Qb5+ Qd7 12. Qxd7+ Nxd7 13. Bxe7 Kxe7 14. d5 Nf6 15. d6+ Kd8 16. Bd3 Bd7 17. Ne5 Rf8 18. Rd2 h6 19. Rhd1 a6 20. a3 Nd5 21. Be4 Bc6 22. c4 Nf6 23. Bxc6 bxc6 24. Nxc6+ Kd7 25. Ne5+ Kd8 26. d7 Ne4 27. Nc6+ Kc7 28. d8Q+ Rfxd8 29. Rxd8 Rxd8 30. Nxd8 Nxf2 31. Nxf7 Ng4 32. h3 Ne3 33. Re1 Nxg2 34. Rxe6 Nf4 35. Rxa6 Nxh3 36. Ne5 h5 37. Rc6+ Kb7 38. Rxc5 Nf4 39. Kc2 h4 40. Ng4 Ne6 41. Rh5 g5 42. Kc3 Kc7 43. b4 Kb7 44. a4 Kc7 45. a5 Kb7 46. b5 Nc5 47. Rh7+ Kb8 48. Ne5 Ne4+ 49. Kb4 h3 50. Rxh3 g4 51. Nxg4 Nd6 52. c5 Nf5 53. a6 Nd4 54. b6 Nc6+ 55. Kc3 Nd8 56. Rh8 Kc8 57. Rxd8+ Kxd8 58. a7 Kd7 59. a8Q Ke6 60. b7 Kd7 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.02.19"]
[Round "8"]
[White "Ossolinski, Lukasz"]
[Black "Matyszkiewicz, Radoslaw"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1371"]
[BlackElo "1310"]
[PlyCount "124"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nc6 6. Nc3 Nf6 7. Be2 Qc7 8. Be3 b6 9. 0-0 Bb7 10. f3 Bd6 11. f4 Nxd4 12. Qxd4 e5 13. Qxb6 Qxb6 14. Bxb6 exf4 15. Bf3 Be5 16. Nd5 Bxd5 17. exd5 Rb8 18. Rae1 Rxb6 19. Rxe5+ Kd8 20. b3 h6 21. h4 g6 22. Be2 d6 23. Rf5 gxf5 24. Rxf4 Ne4 25. Rxf5 Ng3 26. Rf2 Nxe2+ 27. Rxe2 Re8 28. Rf2 Ke7 29. Rf3 f6 30. Kf2 Kf7 31. a3 Rb7 32. b4 Re4 33. c5 Rd4 34. Ke3 Rxd5 35. Ke4 Re5+ 36. Kd4 dxc5+ 37. bxc5 Rd7+ 38. Kc4 Rc7 39. g4 Rcxc5+ 40. Kd3 Ra5 41. Kc2 Re4 42. g5 hxg5 43. hxg5 Rxg5 44. Kb3 Rge5 45. Kc2 Re3 46. Rf4 Rxa3 47. Kb2 Rg3 48. Rf2 a5 49. Rc2 a4 50. Rd2 a3+ 51. Ka2 Rb5 52. Rd1 Rb2+ 53. Ka1 Re2 54. Rb1 f5 55. Rf1 Kf6 56. Rb1 Rgg2 57. Rb3 Rg1+ 58. Rb1 Rxb1+ 59. Kxb1 f4 60. Kc1 f3 61. Kd1 a2 62. Kc1 a1R# 0-1

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.02.15"]
[Round "6"]
[White "Ossolinski, Lukasz"]
[Black "Maryniec, Grzegorz"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1371"]
[PlyCount "77"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Be2 Nd7 7. Nf3 N7f6 8. c4 Nb6 9. Nc3 Bg4 10. Bf4 e6 11. Qd3 Bb4 12. a3 Be7 13. h3 Bf5 14. Qd1 h6 15. 0-0 0-0 16. Re1 Re8 17. Bd3 Bxd3 18. Qxd3 Rc8 19. Rad1 c5 20. Qe2 Nbd7 21. Ne5 cxd4 22. Rxd4 Bc5 23. Rdd1 Qe7 24. Nxd7 Nxd7 25. b4 Bb6 26. c5 Nxc5 27. Bd6 Qf6 28. bxc5 Qxc3 29. cxb6 axb6 30. Bb4 Qb3 31. Rd3 Qa4 32. Rg3 e5 33. Qe3 Rc6 34. Qd3 Rc2 35. Qd6 Rc6 36. Qd5 Rc7 37. Rxe5 Rc1+ 38. Kh2 Rec8 39. Re7 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.02.15"]
[Round "7"]
[White "Walicki, Marcin"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1371"]
[PlyCount "121"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. c5 Be7 7. Bb5+ Bd7 8. Qa4 0-0 9. 0-0 a6 10. Bxd7 Nfxd7 11. Bf4 Bf6 12. Nc3 c6 13. Rfe1 Re8 14. b4 h6 15. Qc2 Nf8 16. a4 Nbd7 17. b5 axb5 18. axb5 Rxe1+ 19. Rxe1 Ne6 20. Be3 Qa5 21. b6 Ndxc5 22. Nxd5 Nxd4 23. Nxf6+ gxf6 24. Bxd4 Nd7 25. Qb2 Qf5 26. Re7 Kf8 27. Rxd7 Qxd7 28. h3 Qe6 29. Bxf6 c5 30. Ne5 Kg8 31. Ng4 h5 32. Qd2 hxg4 33. Qh6 Ra1+ 34. Kh2 Qd6+ 35. g3 Qf8 36. Qg5+ Kh7 37. Bxa1 gxh3 38. Qh5+ Qh6 39. Qxh3 f5 40. Qxh6+ Kxh6 41. Kg2 Kg5 42. Kf3 c4 43. Bc3 f4 44. gxf4+ Kf5 45. Ke3 Ke6 46. Kd4 Kf5 47. Bd2 c3 48. Kxc3 Ke4 49. Be3 Kd5 50. Kd3 Kd6 51. Ke4 Ke6 52. Bd4 Kd6 53. Kf5 Ke7 54. Kg6 Kf8 55. Bg7+ Kg8 56. Bh6 Kh8 57. f5 Kg8 58. f6 Kh8 59. f3 Kg8 60. f7+ Kh8 61. f8R# 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.02.06"]
[Round "5"]
[White "Zhydachevskyy, Yulian"]
[Black "Ossolinski, Lukasz"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1270"]
[BlackElo "1371"]
[PlyCount "71"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nf3 Nh5 6. Bg3 Nxg3 7. hxg3 e6 8. Bd3 g6 9. Nbd2 c4 10. Bc2 b5 11. b4 a5 12. a3 axb4 13. axb4 Bb7 14. Rxa8 Qxa8 15. Ke2 Be7 16. Qa1 0-0 17. Qb1 Qa3 18. Qa1 Ra8 19. Qxa3 Rxa3 20. Nb1 Ra2 21. Kd1 f6 22. Kc1 e5 23. Nbd2 Bc8 24. Kb1 Ra7 25. Kb2 e4 26. Nh2 Nb8 27. Ra1 Rxa1 28. Kxa1 h5 29. f3 f5 30. Bd1 Bd6 31. f4 Nd7 32. Nb1 Nf6 33. Na3 Bd7 34. Nf1 Ng4 35. Bxg4 hxg4 36. Kb1 1/2-1/2

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.01.29"]
[Round "4"]
[White "Ossolinski, Lukasz"]
[Black "Oles, Jan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1371"]
[BlackElo "1275"]
[PlyCount "132"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. Nf3 Be7 4. Bd3 Nf6 5. h3 c5 6. 0-0 cxd4 7. Nxd4 e5 8. Nb5 a6 9. N5c3 Be6 10. Be3 Qd7 11. Nd2 g5 12. Bc4 Bxh3 13. gxh3 Qxh3 14. Qf3 Qxf3 15. Nxf3 g4 16. Ng5 Rf8 17. Nd5 Nxd5 18. Bxd5 Bxg5 19. Bxg5 Nc6 20. Bxc6+ bxc6 21. Rfd1 Kd7 22. c4 c5 23. Rd3 a5 24. Rad1 Ra6 25. Bh6 Rb8 26. b3 a4 27. Kg2 axb3 28. axb3 Ke7 29. Be3 h5 30. Rh1 Rh8 31. Rdd1 f6 32. Ra1 Rxa1 33. Rxa1 h4 34. Rb1 Ke6 35. b4 cxb4 36. Rxb4 f5 37. exf5+ Kxf5 38. Rb6 Rd8 39. Rb7 d5 40. cxd5 Rxd5 41. Rf7+ Kg6 42. Re7 Kf6 43. Bg5+ Kxg5 44. Rg7+ Kf4 45. Rf7+ Ke4 46. Rg7 Kf5 47. Rf7+ Kg6 48. Rf8 Rd3 49. Rg8+ Kf5 50. Rf8+ Ke4 51. Rg8 h3+ 52. Kh2 Kf3 53. Rf8+ Ke2 54. Kg1 Rd1+ 55. Kh2 Rf1 56. Re8 Rxf2+ 57. Kh1 Rf5 58. Kh2 Kf3 59. Rg8 e4 60. Ra8 g3+ 61. Kh1 e3 62. Ra1 e2 63. Ra3+ Kf2 64. Ra2 g2+ 65. Kh2 g1Q+ 66. Kxh3 Rh5# 0-1

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.01.25"]
[Round "1"]
[White "Ossolinski, Lukasz"]
[Black "Markiewicz, Janusz"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1371"]
[BlackElo "1123"]
[PlyCount "69"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Qf6 7. Bd2 Bc5 8. 0-0 Ne5 9. Nxe5 Qxe5 10. Qf3 Qf6 11. Qg3 d6 12. Be3 Qg6 13. Qxg6 hxg6 14. Bxc5 dxc5 15. Na3 a6 16. Nc2 Bd7 17. Ne3 c6 18. a4 Ke7 19. a5 Be6 20. Rab1 Rb8 21. Bxa6 Nf6 22. Rxb7+ Rxb7 23. Bxb7 Nxe4 24. a6 Nd6 25. Bxc6 Nc8 26. Rb1 Kd6 27. Bb7 Na7 28. Rd1+ Kc7 29. Nd5+ Kb8 30. c4 Bc8 31. Rb1 Bxb7 32. Rxb7+ Kc8 33. Rxa7 Kb8 34. Rb7+ Kc8 35. Ne7+ 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.01.22"]
[Round "3"]
[White "Ossolinski, Lukasz"]
[Black "Jochym, Slawomir"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1371"]
[BlackElo "1186"]
[PlyCount "67"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 h6 6. Ne2 a6 7. Ba4 b5 8. Bb3 Na5 9. Ng3 0-0 10. Nf5 Nxb3 11. axb3 Re8 12. Be3 Ng4 13. Bd2 Bc5 14. Ne3 Nxe3 15. Bxe3 Bxe3 16. fxe3 d6 17. 0-0 Rf8 18. Qe1 f5 19. exf5 Bxf5 20. b4 e4 21. Nd4 Qd7 22. dxe4 Bxe4 23. Rxf8+ Kxf8 24. Qh4 Bh7 25. c3 Kg8 26. Qh5 c6 27. Nxb5 cxb5 28. Qd5+ Kh8 29. Qxa8+ Bg8 30. Qxa6 Bc4 31. Qa8+ Kh7 32. Qe4+ Kh8 33. Ra8+ Bg8 34. Qd5 1-0

[Event "Warsaw YMCA Winter-D 212th"]
[Site "Warsaw"]
[Date "2019.01.16"]
[Round "2"]
[White "Jankowski, Rafal"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1540"]
[BlackElo "1371"]
[PlyCount "143"]
[EventDate "2019.01.08"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 c5 9. 0-0 Qc7 10. h3 Be7 11. c3 Bd7 12. dxc5 Bxc5 13. Bg5 Bc6 14. Nd4 Rd8 15. Nxc6 Qxc6 16. Qe2 a6 17. Bxf6 gxf6 18. b3 f5 19. Bxf5 Be7 20. Qe5 Rg8 21. Be4 Qb6 22. c4 Bd6 23. Qf6 Qc7 24. Rad1 h5 25. Qf3 h4 26. Bxb7 Ke7 27. Bxa6 Qa5 28. Bb5 Qxa2 29. Qb7+ Kf6 30. Qf3+ Ke7 31. Rd3 Qa8 32. Qxa8 Rxa8 33. Rfd1 Bc5 34. Ba4 Rg5 35. Kf1 Rag8 36. Rf3 R8g7 37. Rd7+ Kf8 38. Rd8+ Ke7 39. Rh8 Rxg2 40. Rxh4 Bb4 41. Ke2 R2g5 42. Rd3 Re5+ 43. Kf3 Bd6 44. Rhd4 Rf5+ 45. Ke2 Re5+ 46. Kf1 Bb4 47. Rg4 Rh7 48. Kg2 Rf5 49. Bc6 Bc5 50. f3 Rh8 51. Rd7+ Kf6 52. Kg3 Be3 53. b4 Rb8 54. b5 e5 55. Bd5 Bf4+ 56. Kf2 Rf8 57. b6 Rh5 58. h4 Rh7 59. b7 Rg7 60. Rxg7 Kxg7 61. c5 Kg6 62. Be4+ f5 63. Bd5 e4 64. fxe4 fxe4 65. Bxe4+ Kh5 66. Rh7+ Kg4 67. Ke2 Re8 68. Kd3 Rd8+ 69. Kc4 Be3 70. Bd5 Bf4 71. c6 Kf5 72. c7 1-0

[Event "Mazowiec-chT 1718"]
[Site "Warsaw"]
[Date "2018.02.18"]
[Round "8.11"]
[White "Pac, Maciej"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1679"]
[BlackElo "1357"]
[PlyCount "114"]
[EventDate "2017.12.03"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 c5 7. Bc4 Qc7 8. 0-0 Be7 9. Re1 Nb6 10. Bf1 0-0 11. c3 Bd7 12. Be3 Rfd8 13. Qe2 Nbd5 14. Bd2 cxd4 15. Nxd4 a6 16. Rad1 Nf4 17. Qf3 Ng6 18. Bg5 h6 19. Bc1 Ne5 20. Qe2 Nc6 21. Nc2 Be8 22. Be3 Nd5 23. Bc1 Bc5 24. Ne4 Be7 25. Qf3 Nf6 26. Bd3 Qa5 27. Nxf6+ Bxf6 28. Qe4 Qh5 29. Ne3 Ne5 30. Be2 Qg6 31. Qxb7 Bc6 32. Qb6 Rdb8 33. Qd4 Nf3+ 34. Bxf3 Bxd4 35. Bxc6 Bxe3 36. Bxe3 Rd8 37. Bxa8 Rxa8 38. Bd4 Rb8 39. Re3 Qh5 40. Red3 Rxb2 41. c4 Rc2 42. c5 Qe2 43. Be3 f5 44. Rd8+ Kh7 45. g3 e5 46. R8d2 Rxd2 47. Rxd2 Qe1+ 48. Kg2 f4 49. gxf4 exf4 50. Bxf4 Qe4+ 51. Kg3 Qg6+ 52. Kf3 Qc6+ 53. Ke3 Qxc5+ 54. Ke4 Qc4+ 55. Kf3 Qf7 56. Kg3 h5 57. Kh4 Qxf4+ 0-1

[Event "Mazowiec-chT 1718"]
[Site "Warsaw"]
[Date "2018.02.04"]
[Round "5.13"]
[White "Kuzmiak, Tymoteusz"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1092"]
[BlackElo "1357"]
[PlyCount "82"]
[EventDate "2017.12.03"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Bd3 Nxe4 8. Bxe7 Qxe7 9. Bxe4 Nf6 10. Bd3 Qb4+ 11. Qd2 Qxb2 12. 0-0 0-0 13. Bc4 Qa3 14. Rfe1 Bd7 15. Ne5 Rad8 16. Rab1 Bc8 17. Rb4 Rxd4 18. Qxd4 Qxb4 19. Rd1 Qb6 20. Qh4 Qb2 21. Ng4 Nxg4 22. Qxg4 Qxc2 23. Bb3 Qf5 24. Qh4 Qf6 25. Qg3 e5 26. h3 Be6 27. Bc2 Bf5 28. Bb3 c6 29. Qe3 b6 30. Re1 Re8 31. f4 e4 32. g4 Bd7 33. Bc2 g6 34. Bxe4 c5 35. Qd3 Bc6 36. f5 Qd4+ 37. Qxd4 cxd4 38. Bxc6 Rxe1+ 39. Kf2 Re3 40. a4 gxf5 41. gxf5 Kg7 0-1

[Event "Warsaw Najdorf Memorial op-B 11th"]
[Site "Warsaw"]
[Date "2013.08.05"]
[Round "1"]
[White "Borowy, Cezary"]
[Black "Ossolinski, Lukasz"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1873"]
[BlackElo "1512"]
[PlyCount "79"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Nf3 c5 6. Be2 Nc6 7. 0-0 cxd4 8. Nxd4 Nxd4 9. Qxd4 0-0 10. Be3 Bd7 11. Rfd1 Qc7 12. Rac1 Rfd8 13. Nb5 Bxb5 14. cxb5 Qd7 15. a3 b6 16. e5 Nd5 17. exd6 Bf6 18. Qd2 Qxd6 19. Bf3 Qe7 20. Bxd5 Rxd5 21. Qc2 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Qxd8 24. g3 h6 25. b3 Be7 26. a4 Bf6 27. Qc4 Qd1+ 28. Kg2 Qd5+ 29. Qxd5 exd5 30. Bf4 d4 31. Kf3 Be7 32. Bb8 Bb4 33. Bxa7 Ba5 34. b4 Bxb4 35. Bxb6 d3 36. a5 g5 37. a6 Bd2 38. a7 g4+ 39. Ke4 Bg5 40. a8Q+ 1-0

[Event "Mazowiec-chT op 1112"]
[Site "Poland"]
[Date "2012.01.08"]
[Round "1.51"]
[White "Machelski, Blazej"]
[Black "Ossolinski, Lukasz"]
[Result "0-1"]
[ECO "E76"]
[PlyCount "53"]
[EventDate "2012.01.08"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 0-0 5. f4 d6 6. Nf3 a6 7. e5 Ne8 8. Be2 Nc6 9. d5 Na7 10. 0-0 c5 11. Ng5 dxe5 12. fxe5 Bxe5 13. Bh5 Qb6 14. Qf3 Qf6 15. Qe2 Qg7 16. Nxf7 Rxf7 17. Rxf7 Kxf7 18. Bh6 Bxh2+ 19. Kxh2 Qxh6 20. Rf1+ Nf6 21. Rxf6+ exf6 22. Kg1 Qxh5 23. Qe3 b6 24. d6 Be6 25. Qe4 Rb8 26. Ne2 Qe5 27. Qd3 0-1

[Event "Mazowiec-chT op 1112"]
[Site "Poland"]
[Date "2012.01.08"]
[Round "2.31"]
[White "Ossolinski, Lukasz"]
[Black "Kaska, Wladyslaw"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "1802"]
[PlyCount "46"]
[EventDate "2012.01.08"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Bb4 7. Bg5 Bxc3+ 8. bxc3 Qa5 9. Bd2 Nxe4 10. Nb3 Qc7 11. c4 Nxd2 12. Qxd2 0-0 13. 0-0 Nc6 14. Bd3 Ne5 15. Qf4 d6 16. Rfe1 b6 17. Nd2 Bb7 18. Re3 f5 19. Qd4 Rf6 20. f4 Ng4 21. Rg3 e5 22. fxe5 dxe5 23. Qc3 Qc5+ 0-1

