[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.16"]
[Round "6"]
[White "Olszewski, Antoni"]
[Black "Celinski, Kamil"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1681"]
[BlackElo "1820"]
[PlyCount "74"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 h6 8. Nd5 d6 9. Nxf6+ Qxf6 10. Bd5 Bd7 11. c3 Rb8 12. Be3 Bb6 13. 0-0 Ne7 14. Bxb6 Rxb6 15. d4 Ng6 16. Qd2 Nf4 17. dxe5 dxe5 18. Bxf7+ Ke7 19. Bb3 Bh3 20. Ne1 Bxg2 21. Qe3 Bxf1 22. Kxf1 Rd8 23. Nf3 Rbd6 24. Qc5 Ne6 25. Bxe6 Qxf3 26. Bd5 Qh1+ 27. Ke2 Qxa1 28. Qxc7+ R8d7 29. Qc8 Qxb2+ 30. Kd3 Qxf2 31. Qg8 Qf8 32. Qh7 Qf6 33. h4 Rd8 34. h5 Rf8 35. Kc2 Rxd5 36. exd5 Qf5+ 37. Kb3 Qxh7 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.15"]
[Round "5"]
[White "Zeissel, Andrzej"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1813"]
[BlackElo "1681"]
[PlyCount "105"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Nf6 8. Be3 Bxe3 9. Qxe3 Be6 10. 0-0-0 0-0 11. f3 a5 12. Nd4 Nxd4 13. Qxd4 a4 14. a3 Qe7 15. e5 dxe5 16. Qxe5 c6 17. Bc4 Rfe8 18. Rhe1 Nd7 19. Qd6 Qxd6 20. Rxd6 Bxc4 21. Rxe8+ Rxe8 22. Rxd7 b5 23. Kd2 f5 24. f4 Re6 25. Rd4 Rh6 26. h3 Rg6 27. g4 Rh6 28. gxf5 Rxh3 29. Nxa4 Rh2+ 30. Kc3 Rh5 31. Nb6 Bf1 32. Nc8 Kf7 33. Rd7+ Kf8 34. Rd8+ Kf7 35. Rd7+ Kf8 36. Nd6 Bg2 37. Rf7+ Kg8 38. Rc7 h6 39. b3 Rh3+ 40. Kb4 Rh4 41. a4 Rxf4+ 42. Kc3 bxa4 43. bxa4 Rxa4 44. Rc8+ Kh7 45. Nf7 g5 46. Rc7 Kg7 47. Nxg5+ Kf6 48. Nf7 Kxf5 49. Nxh6+ Ke6 50. Rg7 Bd5 51. Rg6+ Ke5 52. Ng8 Bxg8 53. Rxg8 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.13"]
[Round "3"]
[White "Grajczak, Adrian"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1880"]
[BlackElo "1681"]
[PlyCount "97"]
[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 e6 3. b3 Nf6 4. e5 Nd5 5. Bb2 Nc6 6. Nc3 Nxc3 7. dxc3 d5 8. Bd3 Qc7 9. Qe2 Be7 10. h4 a6 11. a4 Bd7 12. 0-0 0-0-0 13. c4 d4 14. c3 g5 15. hxg5 h6 16. g6 fxg6 17. cxd4 cxd4 18. Nxd4 g5 19. Nc2 g4 20. Bc3 Rhg8 21. b4 Rg5 22. Rfe1 g3 23. f4 Rgg8 24. c5 a5 25. b5 Bxc5+ 26. Kf1 Rdf8 27. Bd2 Ne7 28. Qf3 Kb8 29. Ne3 b6 30. Rac1 Bc8 31. Be4 Ng6 32. Ng4 Nh4 33. Qe2 Bb7 34. Nf6 Rg7 35. Bxb7 Qxb7 36. Qe4 Qxe4 37. Rxe4 Rc7 38. Bxa5 Be7 39. Rxc7 Kxc7 40. Bxb6+ Kxb6 41. Nd7+ Kb7 42. Nxf8 Bxf8 43. Rc4 Nf5 44. Ke2 Nh4 45. a5 Nf5 46. b6 Be7 47. Rc7+ Ka8 48. a6 Kb8 49. a7+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2023.07.12"]
[Round "2"]
[White "Olszewski, Antoni"]
[Black "Haliniak, Wojciech"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1681"]
[BlackElo "1901"]
[PlyCount "131"]
[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 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bg5 c5 6. Qf3 Qa5+ 7. Bd2 Qb6 8. dxc5 Bxc5 9. Nc3 Nc6 10. Bxc6+ Qxc6 11. Qxc6+ bxc6 12. Na4 Be7 13. Nf3 c5 14. Nc3 Bb7 15. 0-0-0 Ng4 16. Be1 Bxf3 17. gxf3 Ne5 18. f4 Nc4 19. Ne4 0-0 20. Bc3 Nb6 21. Rhg1 f6 22. f5 e5 23. Rg3 Kf7 24. Rdg1 Rg8 25. Rh3 h6 26. Rhg3 Nd5 27. Bd2 Nb4 28. Bxb4 cxb4 29. h4 a5 30. h5 a4 31. Rd3 Rgc8 32. Rd7 Ke8 33. Rb7 Bf8 34. Kb1 Rc4 35. f3 Rd4 36. Kc1 b3 37. cxb3 axb3 38. Rxb3 Rxa2 39. Kc2 Ra7 40. Rd3 Rc7+ 41. Rc3 Rcd7 42. Ra1 Bb4 43. Re3 Rc7+ 44. Nc3 Rh4 45. Ra4 Bxc3 46. Ra8+ Kf7 47. Rxc3 Rh2+ 48. Kc1 Rxc3+ 49. bxc3 Rxh5 50. Ra7+ Kf8 51. Ra8+ Ke7 52. Ra7+ Kd6 53. Rxg7 Rxf5 54. Rg3 Kd5 55. Kd2 Kc4 56. Rg4+ Rf4 57. Rg3 h5 58. Kc2 f5 59. Kd2 e4 60. fxe4 fxe4 61. Rg5 h4 62. Ke3 Rf8 63. Rh5 Kxc3 64. Rxh4 Re8 65. Rxe4 Rxe4+ 66. Kxe4 1/2-1/2

[Event "Brno op"]
[Site "Brno"]
[Date "2022.11.17"]
[Round "6"]
[White "Olszewski, Antoni"]
[Black "Blazek, Pavel"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1485"]
[BlackElo "1714"]
[PlyCount "55"]
[EventDate "2022.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. h3 Be7 7. Bd3 0-0 8. Nf3 Bf6 9. Qc2 h6 10. Be3 Re8 11. 0-0 Nc6 12. a3 d5 13. c5 Nd7 14. Nc3 Nxc5 15. dxc5 d4 16. Bh7+ Kh8 17. Rad1 Ne5 18. Nxd4 Bxh3 19. gxh3 g6 20. Bxg6 Rg8 21. Qf5 Rxg6+ 22. Kh1 Ng4 23. hxg4 Bxd4 24. Bxd4+ Kg8 25. Bf6 Qxf6 26. Qxf6 Rxf6 27. Kg2 b6 28. Nd5 1-0

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.07.01"]
[Round "8"]
[White "Olszewski, Antoni"]
[Black "Niczyporuk, Jakub"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1532"]
[BlackElo "1363"]
[PlyCount "92"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. c4 Nb6 8. Qc2 Bg7 9. Nc3 d5 10. Nxd5 Nxe5 11. Nxe5 Bxe5 12. Nxb6 Qxb6 13. Bd3 0-0 14. 0-0 Be6 15. Be3 Qc7 16. h3 f5 17. f4 Bg7 18. Rae1 Bf7 19. g4 fxg4 20. hxg4 e5 21. f5 e4 22. Bxe4 Qg3+ 23. Qg2 Qxg2+ 24. Kxg2 Bxc4 25. Rf2 gxf5 26. gxf5 Bxa2 27. b4 Rae8 28. Bc5 Rxe4 29. Rxe4 Bd5 30. Rfe2 Rxf5 31. Kg3 Bxe4 32. Rxe4 Re5 33. Rg4 Rd5 34. Bxa7 Kf7 35. Kf3 h5 36. Rg2 Rf5+ 37. Ke4 Rb5 38. Bc5 b6 39. Bd6 h4 40. Rg1 Bf6 41. Rf1 Ke6 42. Rd1 h3 43. Kf3 Rd5 44. Rxd5 Kxd5 45. Bc7 b5 46. Kg4 Be5 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.29"]
[Round "6"]
[White "Olszewski, Antoni"]
[Black "Diachek, Andriy"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1532"]
[BlackElo "1451"]
[PlyCount "116"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 Nf6 7. c4 Ne5 8. Bxd7+ Qxd7 9. Nxe5 dxe5 10. Qxd7+ Nxd7 11. Nc3 e6 12. Be3 a6 13. Rc1 Rc8 14. Na4 b5 15. cxb5 Rxc1+ 16. Bxc1 axb5 17. Nc3 b4 18. Nd1 Bc5 19. Be3 Bd4 20. Bd2 Nc5 21. f3 Kd7 22. Ke2 Rb8 23. Ne3 Ra8 24. Bxb4 Rxa2 25. Nc4 Na4 26. Rb1 Nxb2 27. Nxb2 Bxb2 28. Kd3 Bd4 29. Bd2 Ra7 30. Rb8 Ke7 31. Rb3 Ra1 32. Bb4+ Kf6 33. Ra3 Rd1+ 34. Kc4 Rc1+ 35. Kd3 Rb1 36. Ba5 h5 37. Ra2 Kg6 38. Bd2 h4 39. h3 Rd1 40. Rc2 Bb6 41. Rb2 Ba5 42. Ra2 Rxd2+ 43. Rxd2 Bxd2 44. Kxd2 Kg5 45. Ke3 f5 46. exf5 exf5 47. f4+ exf4+ 48. Kf3 g6 49. g4 fxg3 50. Kg2 Kf4 51. Kh1 g5 52. Kg1 g4 53. Kh1 gxh3 54. Kg1 Ke3 55. Kh1 f4 56. Kg1 f3 57. Kh1 g2+ 58. Kh2 f2 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.28"]
[Round "5"]
[White "Khimichenko, Dmytro"]
[Black "Olszewski, Antoni"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1412"]
[BlackElo "1532"]
[PlyCount "82"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 Nf6 8. Be2 Be7 9. Qd2 a6 10. Nd4 b5 11. f3 Qc7 12. 0-0 0-0 13. a4 b4 14. Nd1 d5 15. Nxc6 Qxc6 16. e5 Nd7 17. f4 f6 18. exf6 Bxf6 19. Ra2 Rb8 20. b3 Nc5 21. Bf3 Ne4 22. Qe1 a5 23. Bxe4 dxe4 24. Rf2 Ba6 25. Rd2 Rbd8 26. Rxd8 Rxd8 27. Nf2 Bc3 28. Qc1 Qd5 29. h3 Rd6 30. g3 Be2 31. Kg2 Qc6 32. Kg1 h6 33. Kh2 Bf3 34. Kg1 h5 35. h4 Be2 36. Kh2 g6 37. Kg1 Bf3 38. Kh2 Qa6 39. Kg1 Qe2 40. Ra1 Bxa1 41. Qxa1 Qxe3 0-1

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.27"]
[Round "4"]
[White "Olszewski, Antoni"]
[Black "Lesniak, Wojciech"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1532"]
[BlackElo "1338"]
[PlyCount "58"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. 0-0 Qa5 12. Bd4 Nxe4 13. Nxe4 Qxd2 14. Nxd2 Bxd4 15. Nf3 Bg7 16. Rad1 Rfc8 17. b3 a6 18. Nd4 Bd7 19. Nc2 b5 20. Ne3 Be6 21. Nd5 Bxd5 22. Rxd5 b4 23. Bf3 Ra7 24. Rfd1 Bf8 25. h3 e6 26. R5d3 Rc5 27. Kf1 a5 28. Rb1 Rd7 29. Rbd1 Be7 1/2-1/2

[Event "Krakow op-C"]
[Site "Krakow"]
[Date "2022.06.26"]
[Round "3"]
[White "Wegrzyn, Bartosz"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1286"]
[BlackElo "1532"]
[PlyCount "61"]
[EventDate "2022.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. b3 Nbd7 6. Bd3 Bb4+ 7. Nbd2 Bc3 8. Rb1 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. 0-0 0-0 12. Nf3 Bc7 13. h3 Ne4 14. Qc2 Re8 15. Rd1 Qe7 16. cxd5 cxd5 17. Bb2 Bf5 18. Nd4 Bg6 19. Rbc1 Be5 20. Nf3 Bxb2 21. Qxb2 a6 22. Be2 Rad8 23. Qd4 Rc8 24. Qb2 Rxc1 25. Rxc1 h6 26. Ne1 Rd8 27. Bf3 Ng5 28. Bg4 h5 29. Be2 Ne6 30. Nf3 Be4 31. Nd2 1/2-1/2

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.25"]
[Round "9"]
[White "Olszewski, Antoni"]
[Black "Majcher, Igor"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1410"]
[BlackElo "1280"]
[PlyCount "75"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 Nf6 7. c4 g6 8. Nc3 Bg7 9. 0-0 0-0 10. h3 a6 11. Bxc6 Bxc6 12. Be3 Rc8 13. Nd4 Qc7 14. Rac1 Rfd8 15. Nxc6 Qxc6 16. b3 Qd7 17. Rfd1 Qe8 18. Nd5 Nxd5 19. exd5 e6 20. dxe6 fxe6 21. Bg5 Rd7 22. Qg3 d5 23. cxd5 Rxd5 24. Re1 e5 25. Qg4 Rxc1 26. Rxc1 Qd7 27. Rc8+ Kf7 28. Qf3+ Ke6 29. Qg4+ Kf7 30. Qc4 b5 31. Qc2 Qf5 32. Rc7+ Kf8 33. Qc1 e4 34. Bh6 Rd7 35. Bxg7+ Rxg7 36. Rc8+ Kf7 37. Qc7+ Kf6 38. Rf8+ 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.24"]
[Round "8"]
[White "Zielen, Stanislaw"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1198"]
[BlackElo "1410"]
[PlyCount "74"]
[EventDate "2021.07.18"]
[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 Nf6 3. e3 c5 4. c3 e6 5. Bd3 Nc6 6. Nd2 Bd6 7. Bxd6 Qxd6 8. Ngf3 0-0 9. 0-0 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Nf3 Qe7 13. h3 b6 14. Rc1 Bb7 15. Bb1 Rfd8 16. Re1 Rac8 17. Qd3 Ne4 18. Nd2 g6 19. Qc2 Qf6 20. Nxe4 dxe4 21. Rcd1 Kg7 22. Qa4 Qc6 23. Qb3 f5 24. a3 Qf6 25. Qa4 Qc6 26. Qb3 Qf6 27. Qa4 Qc6 28. Qb3 Qf6 29. Ba2 Bc6 30. Re2 Rxd1+ 31. Qxd1 Rd8 32. Rd2 Rxd2 33. Qxd2 Kf8 34. Qc2 b5 35. c4 b4 36. axb4 cxb4 37. Qb3 a5 1/2-1/2

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.23"]
[Round "7"]
[White "Olszewski, Antoni"]
[Black "Zareba, Piotr"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1410"]
[BlackElo "1138"]
[PlyCount "108"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 0-0 9. Bb3 Bd7 10. Qd2 a6 11. h4 h5 12. Nxc6 Bxc6 13. Bh6 b5 14. 0-0-0 Rc8 15. Bxg7 Kxg7 16. Rdg1 Qb6 17. Nd5 Bxd5 18. Bxd5 a5 19. g4 e6 20. Bxe6 fxe6 21. gxh5 Nxh5 22. Qg5 Nf4 23. Kb1 Qc5 24. Qg4 Qh5 25. Qxh5 Nxh5 26. Rg5 Rc5 27. Rg2 Rf7 28. f4 Rxf4 29. Rhg1 Rf6 30. Rd2 e5 31. Rgd1 Rc4 32. Re1 Kf7 33. b3 Rc6 34. Rd5 Rb6 35. a4 bxa4 36. Rxa5 axb3 37. cxb3 Rxb3+ 38. Kc2 Rb4 39. Ra7+ Ke6 40. Rd1 Rf2+ 41. Kc3 Rxe4 42. Ra6 Rf3+ 43. Kc2 Rd4 44. Rg1 Nf4 45. Rb1 e4 46. Re1 e3 47. Ra8 Ke5 48. Re8+ Ne6 49. Rg8 Rf2+ 50. Kc1 e2 51. Rxg6 Rxh4 52. Rgg1 Ke4 53. Kd2 Kf3 54. Kd3 Nf4+ 0-1

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "6"]
[White "Micula, Jakub"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1443"]
[BlackElo "1410"]
[PlyCount "57"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd3 e6 7. 0-0 Be7 8. Re1 Bg4 9. Re5 Qb6 10. Rb5 Qd6 11. Rxb7 a6 12. h3 Bh5 13. Qe2 Nc6 14. Ne4 Nxe4 15. Qxe4 Bxf3 16. gxf3 Qxd4 17. Qxc6+ Kf8 18. Qxc7 Qf6 19. Rb8+ Rxb8 20. Qxb8+ Bd8 21. Be3 Qh4 22. Be4 g6 23. Rd1 Kg7 24. Rd7 Bf6 25. Qc7 Rf8 26. Bc5 Qg5+ 27. Kf1 Qc1+ 28. Ke2 Qxc2+ 29. Bxc2 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "5"]
[White "Olszewski, Antoni"]
[Black "Durzynski, Jan"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1410"]
[BlackElo "1228"]
[PlyCount "137"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. c4 Be7 7. Nc3 d6 8. 0-0 0-0 9. Qe2 b6 10. f4 Bb7 11. Be3 Nbd7 12. b4 Rc8 13. Rac1 Rc7 14. g4 e5 15. Nf5 exf4 16. Rxf4 g6 17. Nxe7+ Qxe7 18. Rcf1 Ne8 19. Bd4 Ng7 20. Nd5 Bxd5 21. cxd5 b5 22. Bf6 Nxf6 23. Rxf6 Ne8 24. R6f2 Qg5 25. h3 Ng7 26. a4 bxa4 27. Bxa6 Qe5 28. Kg2 Re8 29. Bd3 a3 30. Bb1 Rc3 31. Rf3 Rb8 32. Qf2 Rb7 33. Rxf7 Rg3+ 34. Qxg3 Qxg3+ 35. Kxg3 Rxf7 36. Rxf7 Kxf7 37. Kf4 Ne8 38. e5 Nc7 39. e6+ Kf6 40. g5+ Ke7 41. Ke4 Kd8 42. Kd4 Kc8 43. Kc4 Kb7 44. Ba2 Kb6 45. Kc3 Kb5 46. Bc4+ Ka4 47. b5 Ka5 48. Kb3 Kb6 49. Kxa3 Ne8 50. Kb4 Ng7 51. Bd3 Ne8 52. h4 Ng7 53. Bc2 Ne8 54. h5 gxh5 55. Bxh7 h4 56. Bf5 Nc7 57. Kc4 Ne8 58. e7 Kc7 59. b6+ Kxb6 60. Bd7 h3 61. Bxh3 Kc7 62. Kd4 Ng7 63. Ke4 Ne8 64. g6 Ng7 65. Kf4 Kb6 66. Bd7 Kc5 67. e8Q Kxd5 68. Qe4+ Kc5 69. Qe3+ 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.21"]
[Round "4"]
[White "Wilangowski, Olivier"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1349"]
[BlackElo "1410"]
[PlyCount "91"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Nc6 7. Be2 cxd4 8. Nb5 Qd8 9. Nbxd4 Nxd4 10. Nxd4 Bc5 11. Bf4 a6 12. Nb3 Qxd1+ 13. Rxd1 Be7 14. Bf3 Nd7 15. Na5 e5 16. Be3 Rb8 17. 0-0 Bc5 18. Rxd7 Bxe3 19. Rd5 Bb6 20. Rxe5+ Kf8 21. Rfe1 Be6 22. Nxb7 Bc7 23. Rc5 Bb6 24. Rc6 Rxb7 25. Rcxe6 fxe6 26. Bxb7 Ke7 27. Bxa6 Rd8 28. Bc4 Rd6 29. g3 Kf6 30. Kg2 e5 31. Kf3 Rd2 32. Re2 Rxe2 33. Bxe2 Ke6 34. b4 Kd5 35. c4+ Kd4 36. c5 Ba7 37. c6 Bb6 38. a4 Kc3 39. a5 Bc7 40. a6 Bb8 41. b5 Kd4 42. b6 e4+ 43. Kg2 Bxg3 44. Kxg3 e3 45. fxe3+ Kxe3 46. c7 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "2"]
[White "Futyma, Dawid"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1318"]
[BlackElo "1410"]
[PlyCount "138"]
[EventDate "2021.07.18"]
[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. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 Nbd7 6. c3 c5 7. Nbd2 b6 8. 0-0 Bb7 9. Qe2 0-0 10. Rfe1 Ne4 11. Bf4 f5 12. Ne5 Nxe5 13. Bxe5 Nxd2 14. Qxd2 Bd6 15. Bxd6 Qxd6 16. Qe2 e5 17. dxe5 Qxe5 18. Rad1 Rf6 19. h3 Raf8 20. Qf3 Bc6 21. Qf4 Qe6 22. Bc2 Rg6 23. f3 Qf6 24. Kf2 Qf7 25. Bb3 c4 26. Bc2 Re6 27. Rd4 g6 28. Qg5 Qf6 29. Qxf6 Rfxf6 30. f4 Re8 31. Bd1 Ref8 32. Bf3 Rd6 33. Red1 Rfd8 34. g4 Kf7 35. gxf5 gxf5 36. Bh5+ Kf6 37. Rg1 R6d7 38. h4 Rg7 39. Rgd1 Rgd7 40. Be2 b5 41. Bf3 Ke6 42. b3 Rg8 43. b4 Rgg7 44. h5 h6 45. Re1 Bb7 46. Bg2 Bc6 47. Red1 Rg8 48. Bh3 Rgg7 49. Re1 Kf6 50. Bg2 Ke6 51. Bf3 Kf6 52. Rdd1 Ke6 53. Rg1 Bb7 54. Bg2 Kf6 55. Bh3 Bc6 56. a3 a6 57. Bg2 Bb7 58. Bh3 Bc6 59. Ke2 Ke6 60. Kf2 Kf6 61. Rg2 Rxg2+ 62. Bxg2 Bb7 63. Bh3 Rg7 64. Bg2 Rd7 65. Bf3 Bc6 66. Ke2 Bb7 67. Bg2 Bc6 68. Bh3 Rg7 69. a4 bxa4 1/2-1/2

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "3"]
[White "Olszewski, Antoni"]
[Black "Tim, Wojciech"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1410"]
[BlackElo "1245"]
[PlyCount "107"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Neg5 Bd6 9. Re1 h6 10. Ne4 Nxe4 11. Bxe4 Bxe4 12. Rxe4 Nf6 13. Re1 0-0 14. c4 c6 15. h3 Qc7 16. Ne5 Bxe5 17. dxe5 Rad8 18. Qc2 Nd7 19. f4 Nb8 20. Be3 b6 21. b4 c5 22. b5 Rd7 23. Rad1 Rfd8 24. Kf2 g6 25. Rxd7 Rxd7 26. Rd1 Kg7 27. Rxd7 Qxd7 28. Qd2 Qxd2+ 29. Bxd2 f6 30. exf6+ Kxf6 31. Bc3+ Kf5 32. Ke3 h5 33. Kf3 g5 34. g4+ hxg4+ 35. hxg4+ Kg6 36. Ke4 Nd7 37. f5+ Kf7 38. Be5 Nf8 39. Bb8 Nd7 40. Bxa7 Ke7 41. a4 Nf6+ 42. Kf3 Nd7 43. Ke4 Nf6+ 44. Kf3 Nd7 45. Ke4 Kf6 46. fxe6 Kxe6 47. a5 bxa5 48. b6 a4 49. b7 Nf6+ 50. Kd3 Nd7 51. b8Q Nxb8 52. Bxb8 a3 53. Kc3 a2 54. Kb2 1-0

[Event "POL-ch U12"]
[Site "Uniejow"]
[Date "2021.07.19"]
[Round "1"]
[White "Olszewski, Antoni"]
[Black "Sowinski, Pawel"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1410"]
[BlackElo "2006"]
[PlyCount "48"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. e5 Qa5+ 7. Nc3 Qxe5+ 8. Be3 Bc5 9. Qd2 Bxe3 10. fxe3 Nf6 11. 0-0-0 Rb8 12. Bc4 Ne4 13. Qe1 d5 14. Bb3 Nxc3 15. bxc3 0-0 16. Qd2 c5 17. Rhf1 c4 18. Rf3 cxb3 19. cxb3 Ba6 20. Rg3 Rfc8 21. e4 dxe4 22. Re3 Qa5 23. Rxe4 Bd3 24. Rd4 Qd8 0-1

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.15"]
[Round "6"]
[White "Rzenca, Jerzy"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1569"]
[BlackElo "1410"]
[PlyCount "59"]
[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. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 d5 5. Bb5 a6 6. Bxc6+ bxc6 7. d3 Nf6 8. 0-0 Be7 9. Qe1 0-0 10. Na4 Bb7 11. c4 Qc7 12. b3 Nd7 13. e5 f6 14. Bb2 d4 15. Ba3 Rf7 16. exf6 Rxf6 17. Nxd4 e5 18. fxe5 Nxe5 19. Nf5 Raf8 20. Nxe7+ Qxe7 21. Rxf6 Qxf6 22. Nxc5 Qg5 23. Kh1 Qf5 24. d4 Nd3 25. Nxd3 Qxd3 26. Qe6+ Kh8 27. Bxf8 Qxd4 28. Rf1 Qd3 29. Bxg7+ Kxg7 30. Rf7+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.14"]
[Round "5"]
[White "Dropia, Rafal"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1634"]
[BlackElo "1410"]
[PlyCount "59"]
[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 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Nbd7 6. Nbd2 Be7 7. Bd3 0-0 8. Ne5 Nxe5 9. dxe5 Nd7 10. h4 f5 11. g4 Qe8 12. Nf3 Qf7 13. Rg1 Nb8 14. gxf5 exf5 15. Bh6 g6 16. Bxf8 Bxf8 17. Ng5 Qe8 18. f4 Nc6 19. h5 Bh6 20. hxg6 hxg6 21. Qf3 Bxg5 22. Rxg5 Be6 23. Kf2 Ne7 24. Rh1 Kg7 25. Qg2 Qf7 26. Rgh5 Kf8 27. Rh8+ Ng8 28. R1h7 Qe8 29. Qg5 Bf7 30. Rxg8+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.13"]
[Round "4"]
[White "Olszewski, Antoni"]
[Black "Kwiecinski, Rafal"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1410"]
[BlackElo "1538"]
[PlyCount "129"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 e5 5. Qd1 Nc6 6. Nc3 Nf6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nd5 0-0 10. Bc4 Be6 11. 0-0 Bxd5 12. Bxd5 Qc7 13. c3 Ne7 14. Qd3 Nxd5 15. Qxd5 Qc6 16. Rfd1 Rad8 17. Ne1 Qb6 18. b3 Rfe8 19. Nc2 Re6 20. Ne3 Be7 21. Nf5 Bf8 22. Rd2 g6 23. Ne3 Qa6 24. Qd3 Qc6 25. Nd5 Bh6 26. Rc2 Rf8 27. Qh3 Kg7 28. g4 Bf4 29. Qd3 h5 30. h3 hxg4 31. hxg4 Rh8 32. Nxf4 exf4 33. f3 Rh3 34. Kg2 Rg3+ 35. Kf2 Re5 36. Rg1 Rh3 37. Qd2 g5 38. Kg2 Rh4 39. Rh1 Rxh1 40. Kxh1 b6 41. Qd4 Kg8 42. Rd2 Re6 43. c4 f6 44. Qd5 Qxd5 45. Rxd5 Kf7 46. Kg2 Ke7 47. Kf2 Kd7 48. Ke2 Re7 49. Kd2 Rh7 50. Kc3 Rh2 51. a4 Rf2 52. Rd3 a6 53. Kb4 a5+ 54. Kc3 Kc6 55. Kd4 Rc2 56. Rd1 Rf2 57. Rd3 Rf1 58. Kc3 Re1 59. Kd2 Rb1 60. Kc2 Ra1 61. Kb2 Re1 62. Kc3 Re3 63. Kd4 Re2 64. Kc3 Kc5 65. Rd5+ 1/2-1/2

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.12"]
[Round "3"]
[White "Olszewski, Antoni"]
[Black "Kaczmarek, Tomasz"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1410"]
[BlackElo "1586"]
[PlyCount "87"]
[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. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Be2 0-0 13. 0-0 Ne7 14. Nxe7+ Qxe7 15. Nc2 Bb7 16. Qd3 d5 17. exd5 e4 18. Qg3 Rfd8 19. Rad1 Bxd5 20. Nd4 g6 21. h4 Bf6 22. Rfe1 Kh8 23. h5 Be5 24. Qh3 Kg8 25. hxg6 hxg6 26. Qg4 Qd7 27. Qg5 Bg7 28. Bg4 Qb7 29. Re3 Bxa2 30. Rg3 Bxd4 31. Rxd4 Rxd4 32. cxd4 a5 33. Rh3 Qc6 34. Qh6 Qf6 35. Qh7+ Kf8 36. Qh8+ Ke7 37. Qxa8 Qxd4 38. Qb7+ Kf6 39. Qc6+ Kg5 40. Qxb5+ f5 41. Be2 a4 42. Qc6 f4 43. Qe8 Kf6 44. Qh8+ 1-0

[Event "Warsaw Najdorf Memorial op-B"]
[Site "Warsaw"]
[Date "2021.07.11"]
[Round "2"]
[White "Dahche, Abdel Azziz"]
[Black "Olszewski, Antoni"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1709"]
[BlackElo "1410"]
[PlyCount "84"]
[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. e4 c5 2. d4 cxd4 3. Nf3 e6 4. c3 dxc3 5. Nxc3 Nc6 6. Bf4 a6 7. Bd3 d6 8. Rc1 Nf6 9. 0-0 e5 10. Bg5 Be6 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Qa4 Be7 14. Nxe7 Qxe7 15. Bb5 Bd7 16. Bxc6 Bxc6 17. Rxc6 Qd7 18. Rd1 Qxc6 19. Qxc6+ bxc6 20. Rxd6 Ke7 21. Rxc6 Rac8 22. Nxe5 f6 23. Rxc8 Rxc8 24. Nd3 Rd8 25. Ne1 Rd2 26. b4 Rxa2 27. g3 Kd6 28. Nd3 Kc6 29. Kg2 Kb5 30. Kf3 Kc4 31. Nf4 Kxb4 32. Ke3 a5 33. Kd4 Rd2+ 34. Nd3+ Kb3 35. Ke3 Rxd3+ 36. Kxd3 a4 37. f4 a3 38. e5 a2 39. e6 a1Q 40. Ke4 Qa8+ 41. Kf5 Qe8 42. g4 Qg6# 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.10"]
[Round "9"]
[White "Arora, Abhiraaj"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1463"]
[BlackElo "1199"]
[PlyCount "35"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bf4 d6 7. Bg3 Bb7 8. Be2 b4 9. Na4 Bxe4 10. Bf3 Bxf3 11. Qxf3 d5 12. 0-0-0 Bd6 13. Rhe1 Qg5+ 14. Kb1 Bxg3 15. fxg3 Qf6 16. Qxd5 Ra7 17. Nxe6 Ne7 18. Qd8# 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.09"]
[Round "8"]
[White "Olszewski, Antoni"]
[Black "Durana, Jonas"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1199"]
[BlackElo "1304"]
[PlyCount "99"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[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 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Bf4 Ngf6 8. Qe2 Be7 9. h3 0-0 10. 0-0 Nxe4 11. Bxe4 Bxe4 12. Qxe4 c6 13. c4 Nf6 14. Qd3 c5 15. Rad1 Qb6 16. Be3 Rfd8 17. dxc5 Bxc5 18. Bxc5 Rxd3 19. Bxb6 Rxd1 20. Rxd1 axb6 21. Kf1 Kf8 22. a3 Ra4 23. Ne5 Ke7 24. Ke2 Ra5 25. f4 g5 26. b4 Rxa3 27. fxg5 Ne4 28. Rd7+ Kf8 29. Rxf7+ Kg8 30. Rxb7 Ra2+ 31. Ke3 Nxg5 32. h4 Rxg2 33. hxg5 Rxg5 34. Nf3 Rg4 35. Ne5 Rg5 36. Kd4 h5 37. Rxb6 h4 38. Rxe6 Rh5 39. Rg6+ Kh7 40. c5 h3 41. Rg1 Rh4+ 42. Kd5 Rxb4 43. Rh1 Rh4 44. c6 h2 45. c7 Kh6 46. c8Q Kg5 47. Qg8+ Kf4 48. Rf1+ Ke3 49. Qg3+ Ke2 50. Qd3# 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.08"]
[Round "7"]
[White "Burkart, Lloyd Shang"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "1522"]
[BlackElo "1199"]
[PlyCount "84"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nf3 a6 5. Bxc4 e6 6. 0-0 c5 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8 11. Rd1+ Ke7 12. b3 Nbd7 13. Bb2 Rac8 14. Rac1 Rhd8 15. Nd4 Nd5 16. Nxd5+ Bxd5 17. Nf5+ exf5 18. Rxd5 f6 19. Rxf5 Bb6 20. Rd5 Rxc1+ 21. Bxc1 Ne5 22. Rxd8 Kxd8 23. h4 Kd7 24. f4 Nf7 25. g4 Nd6 26. a3 g6 27. Kg2 f5 28. Kf3 Ke6 29. Bd3 Kd5 30. gxf5 gxf5 31. Bxf5 Nxf5 32. e4+ Ke6 33. exf5+ Kxf5 34. a4 bxa4 35. bxa4 Bc7 36. Kg3 Bb8 37. Kf3 Bd6 38. Kg3 Bc7 39. Kf3 Bb8 40. Bd2 Bc7 41. Kg3 Bd6 42. Bc1 Bc7 1/2-1/2

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.07"]
[Round "6"]
[White "Olszewski, Antoni"]
[Black "Martinek, Denis"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1199"]
[PlyCount "87"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 5. Qa4+ N8c6 6. a3 Na6 7. d5 Nc5 8. Qd1 Ne5 9. b4 Ncd7 10. Bb2 g5 11. Qe2 f6 12. Nf3 Nxf3+ 13. Qxf3 Rg8 14. Qh5+ Rg6 15. Bd3 Ne5 16. Bxe5 fxe5 17. Bxg6+ hxg6 18. Qxg6+ Kd7 19. Nc3 Qe8 20. Qxg5 Kd6 21. Ne4+ Kd7 22. Qxe5 Qf7 23. Nc5+ Kd8 24. Ne6+ Bxe6 25. dxe6 Qe8 26. Rd1+ Kc8 27. Rd7 Qxd7 28. exd7+ Kxd7 29. Ke2 e6 30. Rd1+ Bd6 31. Qg7+ Kc6 32. b5+ Kb6 33. Qd7 Bxa3 34. Qxe6+ c6 35. bxc6 bxc6 36. Rb1+ Kc7 37. Qf7+ Kd6 38. Rd1+ Kc5 39. Qe7+ Kxc4 40. Qxa3 Rb8 41. Qd3+ Kc5 42. Qd4+ Kb5 43. Rb1+ Ka6 44. Qa4# 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.06"]
[Round "5"]
[White "Paholok, Adam"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1296"]
[BlackElo "1199"]
[PlyCount "95"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 d6 4. Nge2 Be7 5. g3 Be6 6. Bg2 c6 7. 0-0 Bxc4 8. b3 Be6 9. Bb2 0-0 10. f4 exf4 11. Nxf4 Qd7 12. Qc2 Na6 13. Rf2 Nb4 14. Qd1 Bg4 15. Qf1 d5 16. a3 Na6 17. b4 Nc7 18. Qd3 Rad8 19. Rff1 Bf5 20. Qd4 Ne6 21. Nxe6 fxe6 22. Qxa7 Bd3 23. Rae1 Ng4 24. Rxf8+ Rxf8 25. Qd4 Nf2 26. Ne4 Bf6 27. Nxf6+ Rxf6 28. g4 Be4 29. Qa7 Rf8 30. Rf1 Bxg2 31. Rxf2 Rxf2 32. Kxf2 Be4 33. Qb8+ Kf7 34. Qf4+ Kg8 35. Qb8+ Kf7 36. Qf4+ Kg8 37. Kg3 Qf7 38. Qb8+ Qf8 39. Qf4 Qxf4+ 40. Kxf4 Kf7 41. Ke5 Ke7 42. Bd4 Bf3 43. Kf4 Be4 44. Bxg7 Bg6 45. Ke5 b5 46. h4 h5 47. g5 Kd7 48. Kf6 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.05"]
[Round "4"]
[White "Olszewski, Antoni"]
[Black "Jura, Michal"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1199"]
[BlackElo "1384"]
[PlyCount "84"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 Bd7 10. Qd2 a6 11. f4 e5 12. fxe5 dxe5 13. Nf3 Re8 14. Rad1 Rc8 15. Qc2 Nb4 16. Qb3 a5 17. a3 Nc6 18. Nd5 Nxd5 19. cxd5 Ne7 20. Bb6 Ba4 21. Qxa4 Qxb6+ 22. Kh1 Qxb2 23. Bb5 Red8 24. d6 Nc6 25. Rb1 Qc3 26. Rbc1 Qe3 27. Bxc6 bxc6 28. Rxc6 Rxc6 29. Qxc6 Qd3 30. Kg1 Qxd6 31. Qc4 Qxa3 32. Kh1 Qe7 33. Qa2 Ra8 34. h4 h6 35. Qd5 Qe8 36. Nd2 a4 37. Nc4 Rd8 38. Qb7 Qd7 39. Qb4 Qd3 40. Re1 Rd4 41. Qb8+ Kh7 42. Nxe5 Qg3 0-1

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.04"]
[Round "3"]
[White "Dyachuk, Artem"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1634"]
[BlackElo "1199"]
[PlyCount "45"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bh4 dxc4 6. e3 b5 7. Ne5 Qd5 8. Be2 Bb4+ 9. Kf1 c6 10. Bf3 Qd6 11. Bg3 Qe7 12. Nxc6 Qd7 13. Nxb8 Rxb8 14. Bxb8 Ba5 15. Be5 b4 16. Bxf6 gxf6 17. Nd2 Ba6 18. Be2 Qd6 19. Qa4+ Ke7 20. Qxa5 Rc8 21. Ne4 Qc6 22. Qc5+ Qxc5 23. Nxc5 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.03"]
[Round "2"]
[White "Olszewski, Antoni"]
[Black "Govoreanu, Matei"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1199"]
[BlackElo "1375"]
[PlyCount "87"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 c6 4. Nc3 d6 5. Be3 Nf6 6. f3 Nbd7 7. Bd3 0-0 8. Nge2 b6 9. 0-0 c5 10. Qd2 Qc7 11. h3 a6 12. f4 e6 13. g4 Bb7 14. f5 exf5 15. exf5 cxd4 16. Nxd4 Ne5 17. g5 Nfd7 18. f6 Bh8 19. Nd5 Bxd5 20. cxd5 Nc5 21. Bc2 Qd7 22. Qg2 Rfc8 23. Bf4 Ncd3 24. Bxd3 Nxd3 25. Nc6 Kf8 26. Rad1 Nxf4 27. Rxf4 Re8 28. Qf3 b5 29. Rh4 Kg8 30. Rh6 Qf5 31. Ne7+ Rxe7 32. Qxf5 gxf5 33. fxe7 Be5 34. Re1 Bd4+ 35. Kg2 Re8 36. Rxd6 f6 37. gxf6 Kf7 38. Rxa6 Rg8+ 39. Kf3 Re8 40. d6 Bxf6 41. d7 Rxe7 42. Rxf6+ Kg7 43. Rxe7+ Kxf6 44. d8Q 1-0

[Event "EU-ch U10"]
[Site "Bratislava"]
[Date "2019.08.02"]
[Round "1"]
[White "Rudnev, Andrei"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1607"]
[BlackElo "1199"]
[PlyCount "63"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SVK"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 c6 8. Qe2 Be7 9. 0-0-0 Nbd7 10. Rhe1 Qc7 11. Ng5 Nd5 12. g4 Bxg5 13. Bxd5 Bxd2+ 14. Rxd2 cxd5 15. gxf5 Qd6 16. fxe6 fxe6 17. Qxe6+ Qxe6 18. Rxe6+ Kf7 19. Rde2 Nf6 20. Re7+ Kg6 21. Rxb7 Rhe8 22. Ree7 Rxe7 23. Rxe7 a5 24. Re5 Rd8 25. f3 Kf7 26. b3 g6 27. Ne2 h5 28. Kd2 h4 29. h3 Kg7 30. Kd3 Kf7 31. Nf4 Kg7 32. Ne6+ 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.02.17"]
[Round "7.18"]
[White "Mazurek, Jerzy"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "1736"]
[BlackElo "1393"]
[PlyCount "69"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Qc2 b6 8. cxd5 Nxd5 9. a3 Nd7 10. e4 N5f6 11. Bf4 c5 12. Bd6 Re8 13. dxc5 Nxc5 14. Rd1 Bd7 15. e5 Nfe4 16. b4 Ba4 17. Bxc5 Qxd1+ 18. Qxd1 Bxd1 19. Be3 Rac8 20. Nbd2 Nxd2 21. Rxd1 Nxf3+ 22. Bxf3 Bxe5 23. b5 Red8 24. Re1 Bd4 25. Bg5 Rd7 26. Bc6 Rxc6 27. bxc6 Rc7 28. Rd1 Bc5 29. Bf6 Be7 30. Bxe7 Rxe7 31. Rd7 Re8 32. c7 Kf8 33. Rd8 Ke7 34. Rxe8+ Kxe8 35. c8Q+ 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.01.13"]
[Round "6.18"]
[White "Olszewski, Antoni"]
[Black "Golebiowski, Bartlomiej"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1393"]
[BlackElo "1148"]
[PlyCount "101"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[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 c5 4. c3 Nc6 5. Ngf3 dxe4 6. Nxe4 Be7 7. dxc5 Qxd1+ 8. Kxd1 Nf6 9. Nd6+ Bxd6 10. cxd6 e5 11. Be3 Bd7 12. Bc4 Ne4 13. Ke2 Nxd6 14. Bb3 0-0-0 15. Rad1 Nf5 16. Bxf7 Rhf8 17. Bd5 Nxe3 18. fxe3 Kc7 19. Rhf1 Ne7 20. Nxe5 Nxd5 21. Rxf8 Rxf8 22. Nxd7 Kxd7 23. Rxd5+ Kc6 24. Rd4 b5 25. e4 g6 26. e5 Re8 27. Re4 Kd5 28. Kd3 Rxe5 29. Rxe5+ Kxe5 30. Ke3 g5 31. g3 g4 32. b3 a5 33. c4 b4 34. Kd3 h6 35. Ke3 h5 36. Kd3 Kd6 37. Kd4 Kc6 38. Ke5 Kc5 39. Ke4 Kc6 40. Kd4 Kd6 41. c5+ Kc7 42. Kd5 Kd7 43. c6+ Kc8 44. Kc5 Kb8 45. Kb6 a4 46. bxa4 b3 47. axb3 h4 48. a5 hxg3 49. a6 Kc8 50. a7 Kd8 51. a8Q+ 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.01.13"]
[Round "5.2"]
[White "Olszewski, Antoni"]
[Black "Sentowski, Sebastian"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1393"]
[BlackElo "1761"]
[PlyCount "109"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. h4 h6 7. Ne2 e6 8. Nf4 Bh7 9. Nc3 Be7 10. Ng2 c5 11. Bb5+ Nc6 12. Be3 Qb6 13. Qd2 a6 14. Bxc6+ bxc6 15. 0-0-0 Rb8 16. Na4 Qb5 17. b3 c4 18. Qf2 Bb4 19. Bd2 Qxa4 20. Bxb4 Qxb4 21. Qe3 c3 22. Kb1 a5 23. Nf4 a4 24. Nd3 Qa3 25. Qc1 Qxc1+ 26. Kxc1 axb3 27. cxb3 Ra8 28. a4 Bxd3 29. Rxd3 Ne7 30. Rxc3 Kd7 31. h5 Rhb8 32. Kd2 Rb4 33. Kd3 Rab8 34. Rb1 Rxa4 35. Rbc1 Rab4 36. Rb1 Nc8 37. f4 Na7 38. g5 Nb5 39. Rc5 Rxd4+ 40. Ke3 Re4+ 41. Kf3 hxg5 42. fxg5 Nd4+ 43. Kg3 Rxe5 44. h6 Rxg5+ 45. Kf4 Rf5+ 46. Ke3 Nxb3 47. Rc3 d4+ 48. Kd3 dxc3 49. Kc2 Nd4+ 50. Kxc3 Rxb1 51. hxg7 Nb5+ 52. Kc2 Rg1 53. g8B Rf3 54. Bxf7 Rg2+ 55. Kd1 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.09"]
[Round "3.2"]
[White "Olszewski, Antoni"]
[Black "Rylski, Tadeusz"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1393"]
[BlackElo "1466"]
[PlyCount "64"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[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 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nb3 Bd6 11. Bg5 Qf7 12. 0-0 0-0 13. Bh4 Nf6 14. Ng5 Qc7 15. Bg3 e5 16. dxe5 Nxe5 17. Rc1 Qd8 18. Bxh7+ Nxh7 19. Qxd5+ Kh8 20. Nxh7 Rf5 21. f4 Nc6 22. Qd3 Nb4 23. Qb1 Kxh7 24. Nd4 Bc5 25. Rxc5 Qxd4+ 26. Bf2 Qd3 27. Qxd3 Nxd3 28. Rxf5 Bxf5 29. Bd4 b6 30. Rf3 Re8 31. g4 Re1+ 32. Kg2 Be4 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.09"]
[Round "4.2"]
[White "Pulapa, Filip"]
[Black "Olszewski, Antoni"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1433"]
[BlackElo "1393"]
[PlyCount "128"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 d6 7. Bd3 Be7 8. 0-0 0-0 9. f4 Nc6 10. Nf3 b5 11. Be3 Ng4 12. Qe1 Nxe3 13. Qxe3 Bb7 14. Rad1 Qc7 15. Rfe1 Rfd8 16. Kf1 Rac8 17. Ne2 Na5 18. b3 d5 19. exd5 Bxd5 20. b4 Nc4 21. Bxc4 Bxc4 22. Rxd8+ Rxd8 23. Ne5 Bd5 24. Nd4 Bc4+ 25. Kg1 Bf6 26. c3 Bxe5 27. Qxe5 Qxe5 28. Rxe5 Rd5 29. Nc6 Rxe5 30. fxe5 Bd5 31. Nd4 Kf8 32. g3 Ke7 33. Kf2 f6 34. exf6+ gxf6 35. Ke3 e5 36. Nf5+ Ke6 37. Ng7+ Kf7 38. Nf5 Ke6 39. Ng7+ Kd7 40. Nh5 Ke7 41. Ng7 Be6 42. Ke4 Kf7 43. Nf5 Bxf5+ 44. Kxf5 Ke7 45. g4 Kd6 46. Ke4 Ke6 47. h3 h6 48. h4 Kd6 49. h5 Ke6 50. Ke3 Kd5 51. Kd3 e4+ 52. Ke3 Ke5 53. Kf2 Kf4 54. Ke2 e3 55. Kf1 Kxg4 56. Ke2 Kf4 57. Kf1 Kf3 58. Ke1 Ke4 59. Ke2 f5 60. Ke1 f4 61. Ke2 f3+ 62. Ke1 e2 63. Kf2 Kf4 64. Ke1 Ke3 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "1.2"]
[White "Olszewski, Antoni"]
[Black "Krasiewicz, Robert"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1393"]
[BlackElo "1934"]
[PlyCount "62"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nd7 5. c4 e5 6. d5 Ne7 7. Nc3 0-0 8. Bd3 Nc5 9. Bc2 a5 10. Be3 b6 11. 0-0 f5 12. Bg5 h6 13. Bxe7 Qxe7 14. a3 Kh7 15. b4 axb4 16. axb4 Rxa1 17. Qxa1 Nxe4 18. Nxe4 fxe4 19. Bxe4 Rf4 20. Nd2 Qg5 21. Kh2 h5 22. g3 Rf7 23. Bg2 Qxd2 24. Rd1 Qe2 25. Re1 Qxc4 26. Rc1 Qd4 27. Qa4 h4 28. Qe8 Rf8 29. Qe7 Rxf2 30. Rxc7 hxg3+ 31. Kh1 Qd1+ 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "2.3"]
[White "Olszewski, Antoni"]
[Black "Zielinski, Michal"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "1393"]
[BlackElo "1636"]
[PlyCount "37"]
[EventDate "2018.12.02"]
[EventType "team-swiss"]
[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 Nc6 4. Ngf3 b6 5. Bd3 Be7 6. 0-0 Bb7 7. b3 dxe4 8. Nxe4 Nxd4 9. Nxd4 Bxe4 10. Bxe4 Bf6 11. Bxa8 Bxd4 12. Bc6+ Kf8 13. Ba3+ Ne7 14. c3 f6 15. Qxd4 Qc8 16. Rfe1 Kf7 17. Bd7 Qa6 18. Bxe6+ Kf8 19. Qd8# 1-0

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.18"]
[Round "7.7"]
[White "Olszewski, Antoni"]
[Black "Mietek, Lukasz"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1082"]
[BlackElo "1877"]
[PlyCount "46"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Qa5 8. f3 d6 9. Qd2 0-0 10. Be2 Nxd4 11. Bxd4 Be6 12. 0-0 Rfc8 13. b3 a6 14. Rac1 b5 15. cxb5 axb5 16. Rfd1 b4 17. Na4 Rcb8 18. Bc4 Bd7 19. Nc5 Be8 20. Bxf6 Bxf6 21. Na6 Rxa6 22. Bxa6 Qxa6 23. Rc7 Qb6+ 0-1

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.18"]
[Round "8.21"]
[White "Seliga, Michal"]
[Black "Olszewski, Antoni"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1082"]
[PlyCount "27"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Ng5 Qxg5 5. 0-0 Qg6 6. Nc3 Nf6 7. Re1 d6 8. d3 0-0 9. Be3 Nd4 10. Bd5 c6 11. Bc4 Bh3 12. g3 a6 13. a3 Nd7 14. Bb3 0-1

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.04"]
[Round "6.7"]
[White "Bialecki, Jakub"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1034"]
[BlackElo "1082"]
[PlyCount "56"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Be7 7. c3 d6 8. h3 Bb7 9. d4 exd4 10. cxd4 Nxe4 11. Re1 Nf6 12. Bg5 0-0 13. Nc3 h6 14. Bh4 g5 15. Bg3 Na5 16. Bc2 Nc4 17. Rb1 d5 18. Qd3 b4 19. Na4 Bc6 20. Nc5 Bxc5 21. dxc5 Bb5 22. Qf5 Ne4 23. Rbd1 Re8 24. Rxe4 dxe4 25. Rxd8 Raxd8 26. Bxe4 Kf8 27. b3 Rd1+ 28. Kh2 Ke7 1-0

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2018.02.04"]
[Round "5.3"]
[White "Panuciak, Adam"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1410"]
[BlackElo "1082"]
[PlyCount "29"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d3 e5 2. Nf3 Nc6 3. g3 d5 4. Bg2 Nf6 5. 0-0 Bc5 6. c4 0-0 7. Bd2 Be6 8. b4 Bxb4 9. Bxb4 Nxb4 10. Nxe5 Qd6 11. f4 dxc4 12. a3 Nc6 13. Nxc6 bxc6 14. d4 Bd5 15. Nc3 1-0

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2017.12.03"]
[Round "1.10"]
[White "Mazurek, Jerzy"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1607"]
[BlackElo "1082"]
[PlyCount "63"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. 0-0 Bc5 7. d3 h6 8. a4 b4 9. a5 d6 10. c3 Bg4 11. h3 Be6 12. Bxe6 fxe6 13. Nbd2 0-0 14. Nc4 Rb8 15. Qe2 Rb5 16. Be3 Bxe3 17. Qxe3 Nd7 18. d4 exd4 19. Nxd4 Nxd4 20. cxd4 e5 21. Qb3 Kh8 22. dxe5 Nxe5 23. Nxe5 dxe5 24. Rad1 Qe7 25. Rd5 Rfb8 26. Rfd1 c6 27. Rd7 Qc5 28. Rd8+ Rxd8 29. Rxd8+ Kh7 30. Qg8+ Kg6 31. Qe6+ Kh7 32. Qf5+ 1-0

[Event "Mazowiec-chT op 1718"]
[Site "Warsaw"]
[Date "2017.12.03"]
[Round "2.14"]
[White "Olszewski, Antoni"]
[Black "Goral, Jan"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1082"]
[BlackElo "1324"]
[PlyCount "82"]
[EventDate "2017.12.03"]
[EventType "team-swiss"]
[EventRounds "10"]
[EventCountry "POL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 g6 5. Nf3 Bg7 6. Be3 Bxb2 7. Nbd2 Bxa1 8. Qxa1 Nf6 9. e5 Nd5 10. Bd4 Nxd4 11. Qxd4 e6 12. c4 Ne7 13. Ne4 Qa5+ 14. Nfd2 Nf5 15. Nf6+ Ke7 16. Qd3 Qxe5+ 17. Kd1 Qxf6 18. Ne4 Qd4 19. Qxd4 Nxd4 20. c5 b6 21. Nd6 bxc5 22. Nxc8+ Rhxc8 23. Ba6 Rc7 24. Kd2 Rb8 25. Ke3 d5 26. Rc1 Rb2 27. Rd1 Rxa2 28. Bd3 c4 29. Bb1 Nf5+ 30. Kf3 Ra3+ 31. Kf4 c3 32. Bxf5 gxf5 33. Rd3 c2 34. Rxa3 c1Q+ 35. Kg3 Qxa3+ 36. Kh4 Rc4+ 37. Kg5 Qc1+ 38. Kh5 h6 39. h4 Qf4 40. g3 Qg4+ 41. Kxh6 Qg6# 0-1

[Event "EU-ch U08 27th"]
[Site "Mamaia"]
[Date "2017.09.12"]
[Round "7"]
[White "Rossi, Gabriele Valerio"]
[Black "Olszewski, Antoni"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1077"]
[PlyCount "88"]
[EventDate "2017.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. e5 d4 5. Ne4 Qd5 6. d3 Ne7 7. g3 Nf5 8. Bg2 Qd8 9. Nf3 Be7 10. 0-0 0-0 11. Qe2 Nc6 12. Bd2 Qb6 13. Rab1 Qc7 14. Rbe1 b6 15. h3 Bb7 16. Kh2 Kh8 17. g4 Nh4 18. Qf2 Nxg2 19. Qxg2 a5 20. Qg3 Nb4 21. a3 Bxe4 22. dxe4 Nxc2 23. Rc1 d3 24. Ne1 Nxe1 25. Rcxe1 Rfd8 26. f5 exf5 27. exf5 c4 28. f6 gxf6 29. exf6 Qxg3+ 30. Kxg3 Bf8 31. Re4 Rac8 32. Rd1 a4 33. Be3 Bc5 34. Bxc5 Rxc5 35. Kf3 h6 36. Re7 Kg8 37. Rb7 b5 38. Ke3 Re5+ 39. Kd2 Re2+ 40. Kc3 Rc2+ 41. Kb4 d2 42. Re7 Rc1 43. Ree1 dxe1Q+ 44. Rxe1 Rxe1 0-1

[Event "EU-ch U08 27th"]
[Site "Mamaia"]
[Date "2017.09.11"]
[Round "6"]
[White "Cruceru Uceanu, Tudor Mihai"]
[Black "Olszewski, Antoni"]
[Result "1-0"]
[ECO "B73"]
[BlackElo "1077"]
[PlyCount "55"]
[EventDate "2017.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d6 9. f4 Bd7 10. Nxc6 Bxc6 11. e5 dxe5 12. fxe5 Nd5 13. Nxd5 Qxd5 14. Qxd5 Bxd5 15. Bf4 e6 16. Rfd1 Rfd8 17. Rd2 Rd7 18. Rad1 Rad8 19. Bg5 Rf8 20. c4 f6 21. exf6 Bxf6 22. Bxf6 Rxf6 23. cxd5 e5 24. Rf1 Rfd6 25. Bc4 b5 26. Bxb5 Rxd5 27. Rxd5 Rxd5 28. Bc4 1-0

[Event "EU-ch U08 27th"]
[Site "Mamaia"]
[Date "2017.09.08"]
[Round "4"]
[White "Strajan, Andrei Mihai"]
[Black "Olszewski, Antoni"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1077"]
[PlyCount "61"]
[EventDate "2017.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Bg4 4. e3 e6 5. Be2 Bd6 6. Ne5 Bxe2 7. Qxe2 Nbd7 8. Nd2 0-0 9. 0-0 a6 10. h3 Rc8 11. Rfe1 c5 12. c3 Nxe5 13. dxe5 Bxe5 14. Bxe5 c4 15. Nf3 b5 16. b4 Ne4 17. a3 Re8 18. Nd4 Nxc3 19. Qg4 g6 20. Qf3 Ne4 21. Qf4 f6 22. Qg4 fxe5 23. Nxe6 Qd7 24. f3 Nf6 25. Nc5 Qxg4 26. hxg4 Rc6 27. a4 Rd8 28. Nb7 Rb8 29. Nc5 e4 30. g5 Nh5 31. fxe4 1/2-1/2

[Event "EU-ch U08 27th"]
[Site "Mamaia"]
[Date "2017.09.07"]
[Round "3"]
[White "Olszewski, Antoni"]
[Black "Buzuriu, Razvan Florin"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1077"]
[BlackElo "1380"]
[PlyCount "54"]
[EventDate "2017.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 e6 5. Nf3 a6 6. a3 b5 7. b4 Bb7 8. Nc3 Qc7 9. Bb2 Nf6 10. Bd3 Be7 11. 0-0 0-0 12. Qd2 Rfd8 13. Rad1 Ne5 14. Nxe5 Qxe5 15. f4 Qd4+ 16. Qf2 Qxf2+ 17. Rxf2 Bc6 18. Rfd2 d5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Kf2 Rac8 22. g3 f6 23. Re1 Kf7 24. c3 Rc7 25. Rde2 Rcd7 26. Kf1 Bb3 27. Bc2 Bc4 0-1

[Event "EU-ch U08 27th"]
[Site "Mamaia"]
[Date "2017.09.05"]
[Round "1"]
[White "Olszewski, Antoni"]
[Black "Dimitrov, Martin"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1077"]
[BlackElo "1489"]
[PlyCount "27"]
[EventDate "2017.09.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. Bd3 0-0 6. h3 Nbd7 7. Nf3 a6 8. Nc3 b6 9. 0-0 Bb7 10. a4 c5 11. d5 e6 12. Qd2 exd5 13. exd5 Re8 14. Bh6 0-1

