[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.02.17"]
[Round "7.15"]
[White "Ostojski, Dawid"]
[Black "Zielinski, Michal"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1076"]
[BlackElo "1636"]
[PlyCount "105"]
[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. e5 c5 4. c3 Nc6 5. Bb5 Bd7 6. Nf3 Qb6 7. Bxc6 Bxc6 8. Qc2 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Nbxd2 Ne7 12. 0-0 0-0 13. Rac1 Rac8 14. Qb3 Qxb3 15. Nxb3 Bb5 16. Rfd1 Ba4 17. Nfd2 Nf5 18. Re1 Rc6 19. Rc5 Rfc8 20. Rec1 b6 21. R5c3 Ne7 22. Na1 Ng6 23. b3 Bb5 24. Nb1 Nf4 25. Rxc6 Rxc6 26. Rxc6 Bxc6 27. Nc3 Kf8 28. g3 Ng6 29. f4 Ne7 30. Kf2 Nf5 31. Nc2 Ke7 32. g4 Nh6 33. Kf3 f6 34. h3 fxe5 35. dxe5 d4+ 36. Ne4 d3 37. Ne3 d2 38. Nd1 a5 39. Ke3 b5 40. Nxd2 a4 41. bxa4 bxa4 42. Ne4 Bd5 43. Ndc3 a3 44. Nxd5+ exd5 45. Nc3 Ke6 46. Kd4 Nf7 47. Nxd5 Nd8 48. f5+ Kd7 49. Nb6+ Kc6 50. Nc4 Nb7 51. e6 Kc7 52. Kd5 h6 53. Nxa3 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.01.13"]
[Round "6.19"]
[White "Ostojski, Dawid"]
[Black "Gozlinski, Krzysztof"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1076"]
[PlyCount "53"]
[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 d5 2. exd5 e6 3. b3 Nf6 4. Bb2 Nxd5 5. Nf3 Nc6 6. Nc3 Nf6 7. Bb5 Bd7 8. Qe2 a6 9. Bc4 Be7 10. Ne4 b5 11. Bd3 Nb4 12. a4 Nxd3+ 13. Qxd3 Nxe4 14. Qxe4 0-0 15. axb5 axb5 16. 0-0 Bf6 17. Bxf6 Qxf6 18. Rxa8 e5 19. Rxf8+ Kxf8 20. Qxe5 Qc6 21. Re1 h6 22. Qe7+ Kg8 23. Ne5 Qd6 24. Qxf7+ Kh8 25. Nxd7 Qxd2 26. Re8+ Kh7 27. Nf6# 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2019.01.13"]
[Round "5.23"]
[White "Ostojski, Dawid"]
[Black "Kurkowski, Zbigniew"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1076"]
[BlackElo "1949"]
[PlyCount "58"]
[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. Nc3 Nc6 3. Nf3 Qc7 4. Bc4 e6 5. d4 cxd4 6. Nxd4 a6 7. a3 Nf6 8. Ba2 Be7 9. b4 Nxb4 10. Bb2 Nxa2 11. Rxa2 Qc4 12. Ra1 d6 13. a4 b6 14. Rb1 Bb7 15. f3 0-0 16. Qd2 Rfc8 17. Nde2 d5 18. e5 Nd7 19. f4 Bh4+ 20. g3 Be7 21. Rg1 Bc5 22. Rf1 d4 23. f5 Nxe5 24. fxe6 fxe6 25. Ba1 dxc3 26. Nxc3 Rf8 27. Ne2 Rxf1+ 28. Kxf1 Rf8+ 29. Ke1 Nf3+ 0-1

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.09"]
[Round "3.23"]
[White "Bartczak, Hanna"]
[Black "Ostojski, Dawid"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1453"]
[BlackElo "1076"]
[PlyCount "118"]
[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. Nf3 Nc6 2. g3 Nf6 3. Bg2 e6 4. c4 Bc5 5. 0-0 Qe7 6. a3 a5 7. Nc3 d5 8. cxd5 Nxd5 9. d4 Nxc3 10. bxc3 Bb6 11. e4 0-0 12. Be3 Rd8 13. Qb3 Bd7 14. a4 Be8 15. Nd2 e5 16. Nc4 Ba7 17. d5 Nb8 18. Qxb7 Bxe3 19. Nxe3 Na6 20. Qb2 c6 21. Rfd1 Rab8 22. Qa3 Qxa3 23. Rxa3 cxd5 24. exd5 Nc5 25. Nc4 Bxa4 26. Rda1 Bb5 27. Nxa5 e4 28. c4 Be8 29. f3 exf3 30. Bxf3 Rd6 31. Bd1 Rg6 32. Nb3 Nxb3 33. Bxb3 f5 34. Bc2 Rg5 35. Ra8 Rb2 36. Rxe8+ Kf7 37. Re6 Rxc2 38. Ra7+ Kf8 39. Rc6 Re2 40. Rc8+ Re8 41. Rxe8+ Kxe8 42. Kf2 Rg4 43. c5 Rd4 44. d6 Rc4 45. Rc7 g5 46. c6 Kd8 47. Rxh7 Rxc6 48. d7 f4 49. gxf4 gxf4 50. Kf3 Rd6 51. Kxf4 Rxd7 52. Rh8+ Ke7 53. Kg5 Rd6 54. h4 Kf7 55. h5 Kg7 56. Rc8 Kh7 57. Rc7+ Kg8 58. h6 Kh8 59. Rf7 Kg8 1/2-1/2

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.09"]
[Round "4.15"]
[White "Sobieraj, Slawomir"]
[Black "Ostojski, Dawid"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1713"]
[BlackElo "1076"]
[PlyCount "39"]
[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 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 exd4 5. Qxd4 Nf6 6. Nc3 b6 7. Bg5 Be7 8. 0-0-0 Bb7 9. f3 h6 10. Bh4 d6 11. e5 Nd7 12. Bxe7 Qxe7 13. exd6 Qg5+ 14. Kb1 cxd6 15. Re1+ Kd8 16. Qxd6 Re8 17. Bb5 Rxe1+ 18. Rxe1 Bc8 19. Nd5 Qd2 20. Qc7# 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "2.19"]
[White "Ostojski, Dawid"]
[Black "Mossakowski, Jakub"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1076"]
[BlackElo "1116"]
[PlyCount "58"]
[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 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nd7 5. Bc4 c5 6. Ne2 Ngf6 7. e5 dxe5 8. dxe5 0-0 9. Ng5 e6 10. Bxe6 fxe6 11. Nxe6 Qe7 12. Nxf8 Qxf8 13. b4 a6 14. 0-0 Nb8 15. Bb2 Nc6 16. a3 Bf5 17. Ng3 Rd8 18. Qe2 Be6 19. Rad1 Bf7 20. Rxd8 Qxd8 21. Rd1 Qc7 22. Bc3 Nd5 23. Bd2 Nd4 24. Qd3 Be8 25. c3 Bb5 26. c4 Ba4 27. cxd5 Bxd1 28. d6 Qd7 29. f4 Ba4 1-0

[Event "Mazowiec-chT op 1819"]
[Site "Warsaw"]
[Date "2018.12.02"]
[Round "1.19"]
[White "Seliga, Mariusz"]
[Black "Ostojski, Dawid"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "1238"]
[BlackElo "1076"]
[PlyCount "30"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 Nge7 6. c3 b5 7. Bc2 d5 8. Re1 d4 9. Qe2 Bg4 10. d3 dxc3 11. Nxc3 Nd4 12. Qd1 Ng6 13. h3 Nxf3+ 14. gxf3 Bxh3 15. Bg5 Qxg5+ 0-1

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.15"]
[Round "6.23"]
[White "Ostojski, Dawid"]
[Black "Goral, Antoni"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "107"]
[EventDate "2016.12.11"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Bb4+ 7. Bd2 Qb6 8. Bxb4 Qxb4+ 9. Nc3 Qxb2 10. Rc1 Nge7 11. Nb5 0-0 12. a4 Qb4+ 13. Nc3 Qb6 14. Bd3 Nxd4 15. Nxd4 Qxd4 16. Bxh7+ Kxh7 17. Qxd4 Nf5 18. Qd3 Kg8 19. Nb5 Bd7 20. 0-0 Bxb5 21. Qxb5 Nd4 22. Qxb7 Ne2+ 23. Kh1 Nxc1 24. Rxc1 Rfb8 25. Qe7 Rb6 26. h3 Rbb8 27. Rc7 Rf8 28. Rxa7 Rab8 29. Kh2 d4 30. Rd7 Rbe8 31. Qd6 Rc8 32. Qxd4 Rfe8 33. a5 Ra8 34. Qa4 Kf8 35. a6 Re7 36. Rxe7 Kxe7 37. Qc6 Rd8 38. Qc7+ Rd7 39. Qxd7+ Kxd7 40. a7 f6 41. exf6 gxf6 42. a8Q Kd6 43. Qa5 f5 44. Kg3 e5 45. f4 e4 46. Qxf5 e3 47. Qd3+ Ke6 48. Qxe3+ Kf5 49. Qe5+ Kg6 50. Kg4 Kf7 51. Kg5 Kg8 52. Kg6 Kf8 53. f5 Kg8 54. Qg7# 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.08"]
[Round "4.23"]
[White "Kuznik, Kamil"]
[Black "Ostojski, Dawid"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1301"]
[PlyCount "95"]
[EventDate "2016.12.11"]
[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 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 Be6 7. Nc3 Bd6 8. Nf3 Ne7 9. Be2 Ndc6 10. Nb5 0-0 11. Nxd6 cxd6 12. 0-0 h6 13. Rd1 Rad8 14. Bf4 Nc8 15. Rd2 Nb4 16. a3 Nc6 17. Rad1 Rd7 18. Bxd6 Rfd8 19. Bf4 Rxd2 20. Rxd2 Rxd2 21. Bxd2 Nd6 22. Bd3 Na5 23. Bxa5 b6 24. Bb4 Nb7 25. Nd4 Bc8 26. Ba6 Kh7 27. Nc6 Nd8 28. Bxc8 Nxc6 29. Bb7 Nd4 30. c4 Kg6 31. Bc3 Nb3 32. Be5 f6 33. Bb8 a5 34. Bc7 Nc5 35. Bc6 Nd3 36. Bxb6 Nxb2 37. c5 Nc4 38. Bb5 Nxa3 39. Ba4 Nc4 40. Bb3 Nb2 41. Bxa5 Nd3 42. c6 Nc5 43. Bd5 Na6 44. Bc4 Nc5 45. c7 Nxe4 46. c8Q Nd6 47. Bd3+ Kh5 48. Qc5+ 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2017.01.08"]
[Round "3.11"]
[White "Pogorzelski, Aleksander"]
[Black "Ostojski, Dawid"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "32"]
[EventDate "2016.12.11"]
[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 d5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Be7 5. Nf3 b6 6. Bxf6 Bxf6 7. e3 Bb7 8. cxd5 exd5 9. Bb5+ c6 10. Bd3 0-0 11. 0-0 Nd7 12. Bc2 c5 13. dxc5 Nxc5 14. Rb1 Ne6 15. Qd3 g6 16. h4 Ng7 1/2-1/2

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2016.12.11"]
[Round "2.12"]
[White "Oklinski, Franciszek"]
[Black "Ostojski, Dawid"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1136"]
[PlyCount "35"]
[EventDate "2016.12.11"]
[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 d5 2. c4 c6 3. Nc3 dxc4 4. e4 Be6 5. d5 cxd5 6. exd5 Bf5 7. Bxc4 e6 8. Qa4+ Nd7 9. Nf3 Qc7 10. 0-0 Ngf6 11. Bg5 h6 12. Bh4 Qd6 13. Bg3 Qc5 14. Rfe1 Be7 15. dxe6 fxe6 16. Bxe6 Bxe6 17. Rxe6 0-0-0 18. Qb3 1-0

[Event "Mazowiec-chT op 1617"]
[Site "Warsaw"]
[Date "2016.12.11"]
[Round "1.20"]
[White "Ostojski, Dawid"]
[Black "Krol, Roman"]
[Result "0-1"]
[ECO "B11"]
[BlackElo "1437"]
[PlyCount "110"]
[EventDate "2016.12.11"]
[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 c6 2. Nc3 d5 3. Nf3 Bg4 4. d4 dxe4 5. Nxe4 e6 6. Bf4 Bxf3 7. Qxf3 Qxd4 8. c3 Qd8 9. Bd3 Nf6 10. Nxf6+ Qxf6 11. 0-0-0 Be7 12. Qe3 0-0 13. Be5 Qg5 14. f4 Qh6 15. Kb1 Nd7 16. Bd4 c5 17. Be5 Nxe5 18. Qxe5 Qf6 19. Qe4 Qh6 20. Rdf1 f5 21. Qxb7 Qf6 22. Bc4 Rfb8 23. Qd7 Rb6 24. Re1 Rab8 25. Bxe6+ Kf8 26. Bb3 c4 27. Re6 Rxe6 28. Bxc4 Rd6 29. Qxa7 Rbd8 30. Bb3 R8d7 31. Qf2 Bd8 32. Re1 Re7 33. Rc1 Bb6 34. Qf1 Rdd7 35. Bd1 Qg6 36. g3 Qh6 37. h4 Qg6 38. Qb5 Be3 39. Ba4 Qd6 40. Qc4 Qd3+ 41. Qxd3 Rxd3 42. Rf1 Bb6 43. Bc2 Rxg3 44. Bxf5 g6 45. Bc8 Re2 46. b4 Rxc3 47. h5 Rxc8 48. hxg6 hxg6 49. f5 gxf5 50. Rxf5+ Kg7 51. a4 Rh8 52. Rf1 Rhh2 53. a5 Rb2+ 54. Kc1 Be3+ 55. Kd1 Rb1# 0-1

