[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.17"]
[Round "9"]
[White "Triefeldt, Jack"]
[Black "O'Bumsawin, Nicholas"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1714"]
[BlackElo "1831"]
[PlyCount "97"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Qc2 Nc6 7. Nf3 d6 8. Bg5 0-0 9. Bxf6 Qxf6 10. e3 b6 11. Bd3 h6 12. 0-0 Bb7 13. Nd2 e5 14. Ne4 Qe7 15. d5 Na5 16. Ng3 Ba6 17. Nf5 Qf6 18. Qe2 e4 19. Bxe4 Bxc4 20. Bd3 Bxd5 21. c4 Bxc4 22. Nxh6+ Qxh6 23. Bxc4 Nxc4 24. Qxc4 Qe6 25. Qc2 b5 26. e4 a5 27. Rfd1 b4 28. Rd5 Rab8 29. axb4 axb4 30. Qd3 Rb6 31. Rb1 Ra8 32. e5 dxe5 33. Rd8+ Rxd8 34. Qxd8+ Kh7 35. Qh4+ Qh6 36. Qe4+ Qg6 37. Qh4+ Qh6 38. Qe4+ g6 39. Qxe5 Qh5 40. Qc7 Qf5 41. Rc1 Rb5 42. h3 b3 43. g4 Qd5 44. Qf4 b2 45. Rb1 c4 46. Qf6 Rb3 47. Rxb2 Rxh3 48. f3 Rxf3 49. Rh2+ 1-0

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.16"]
[Round "8"]
[White "O'Bumsawin, Nicholas"]
[Black "Strugach, Alex"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1831"]
[BlackElo "1963"]
[PlyCount "39"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 Be6 9. 0-0-0 a6 10. Ng5 Bxg5 11. Bxg5 f6 12. Re1 Qd7 13. Bc4 Ne5 14. Bxe6 Qxe6 15. f4 Qxa2 16. Qd3 0-0-0 17. Qf5+ Kb8 18. Bh4 Nc4 19. Kd1 Rhe8 20. Re4 0-1

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.15"]
[Round "7"]
[White "Nasir, Zehn"]
[Black "O'Bumsawin, Nicholas"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1686"]
[BlackElo "1831"]
[PlyCount "63"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. Nf3 Bg7 6. Be3 Bg4 7. Be2 a6 8. h3 Bxf3 9. Bxf3 b5 10. Qd2 h5 11. e5 b4 12. exf6 bxc3 13. Qxc3 Bxf6 14. Qb3 Nd7 15. c3 Rb8 16. Qc2 Qc7 17. a4 0-0 18. a5 Rb5 19. Be2 Rxa5 20. 0-0 Rb8 21. Bxa6 Rxa1 22. Rxa1 Ra8 23. Ra2 Qb6 24. Bc4 Rxa2 25. Bxa2 Qb5 26. Qb3 Qe2 27. h4 Be5 28. g3 Bxg3 29. Kg2 Ne5 30. Qb8+ Kh7 31. Qf8 Qf3+ 32. Kg1 0-1

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.14"]
[Round "6"]
[White "O'Bumsawin, Nicholas"]
[Black "Tonakanian, Stephan"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1831"]
[BlackElo "1974"]
[PlyCount "52"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 e6 2. b3 d5 3. Bb2 Nf6 4. e3 c5 5. d4 Nc6 6. Be2 Be7 7. 0-0 0-0 8. c4 cxd4 9. exd4 b6 10. Nc3 Bb7 11. Rc1 Rc8 12. Na4 dxc4 13. bxc4 Na5 14. Nd2 Bd6 15. c5 Bb8 16. Nb3 Qc7 17. f4 Qc6 18. d5 Qxa4 19. Nxa5 Qxd1 20. Rfxd1 bxa5 21. c6 Ba8 22. Ba6 Bxf4 23. Bxc8 Bxc1 24. Bxf6 Be3+ 25. Kf1 exd5 26. Rxd5 Bxc6 0-1

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.13"]
[Round "5"]
[White "Marks, Richard"]
[Black "O'Bumsawin, Nicholas"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1632"]
[BlackElo "1831"]
[PlyCount "100"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 b6 4. g3 Bb7 5. Bg2 Bb4 6. 0-0 0-0 7. a3 Bxc3 8. dxc3 d6 9. b4 Nbd7 10. Qb3 c5 11. Rd1 Qe7 12. Nd2 Bxg2 13. Kxg2 Rfc8 14. Bb2 h5 15. Rac1 Ne5 16. h3 Ng6 17. e4 h4 18. Re1 hxg3 19. fxg3 Ne5 20. Re3 g6 21. Rf1 Kg7 22. b5 Rh8 23. Nf3 Nfd7 24. Bc1 Nxf3 25. Rfxf3 Ne5 26. Rf1 Rh7 27. Qd1 Rah8 28. g4 Nxc4 29. Rg3 Ne5 30. Bf4 Rd8 31. Qc1 Qb7 32. Qe3 Nc4 33. Qf3 Nxa3 34. Bg5 Rd7 35. Bf6+ Kf8 36. h4 d5 37. e5 Nxb5 38. h5 gxh5 39. gxh5 d4 40. Qxb7 Rxb7 41. Rg1 Rxh5 42. Kf3 Rf5+ 43. Ke4 Nxc3+ 44. Kd3 Ke8 45. Rg8+ Kd7 46. R1g7 Kc6 47. Rf8 Rf3+ 48. Kc2 Ne4 49. Rfxf7 Rxf7 50. Rxf7 Nxf6 0-1

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.12"]
[Round "4"]
[White "O'Bumsawin, Nicholas"]
[Black "Hunnersen, Mike"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "1831"]
[BlackElo "1711"]
[PlyCount "79"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Qd2 Bd7 8. f3 h5 9. Bc4 Nf6 10. 0-0-0 a6 11. Rhe1 Na5 12. Bb3 b5 13. Bg5 Qc7 14. Bxf6 exf6 15. Nd5 Qd8 16. Kb1 Nxb3 17. cxb3 0-0 18. Qf4 Be6 19. Nc6 g5 20. Nxd8 gxf4 21. Nxe6 fxe6 22. Nxf4 f5 23. Nxe6 fxe4 24. Nxf8 Rxf8 25. Rxe4 Rf6 26. Re7 Rg6 27. Rd2 Be5 28. Rc2 Bg7 29. g3 Kh7 30. Rcc7 Kh6 31. Rxg7 Rxg7 32. Rxg7 Kxg7 33. Kc2 Kf6 34. Kd3 Ke5 35. h4 a5 36. g4 Kf6 37. Kd4 Ke6 38. g5 a4 39. bxa4 bxa4 40. b4 1-0

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.11"]
[Round "3"]
[White "Cmilovic, Grisha"]
[Black "O'Bumsawin, Nicholas"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1618"]
[BlackElo "1831"]
[PlyCount "85"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[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. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. Nxc6 bxc6 10. Bh6 Bxh6 11. Qxh6 Qb6 12. Bb3 Qxf2+ 13. Kxf2 Ng4+ 14. Ke2 Nxh6 15. h3 Kg7 16. g4 Be6 17. Bxe6 fxe6 18. Raf1 Nf7 19. Rf2 Ne5 20. Rhf1 Rxf2+ 21. Rxf2 Rf8 22. Rxf8 Kxf8 23. b3 g5 24. Ke3 Ng6 25. Ne2 e5 26. c4 e6 27. Nc3 Nf4 28. b4 Ke7 29. b5 Kd7 30. a4 Kc7 31. a5 Ng6 32. Kd3 Ne7 33. Na4 Nc8 34. Nc3 c5 35. Ke3 Ne7 36. Kf3 Ng6 37. Ne2 Kb7 38. Ke3 Kb8 39. a6 Nf4 40. Nxf4 exf4+ 41. Kd3 Kc7 42. Kd2 Kb6 43. Kd3 1/2-1/2

[Event "Canadian op 48th U2000"]
[Site "Toronto"]
[Date "2011.07.10"]
[Round "2"]
[White "O'Bumsawin, Nicholas"]
[Black "Kurkowski, Ken"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1831"]
[BlackElo "1516"]
[PlyCount "47"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[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 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 Be7 9. 0-0 0-0 10. Nf4 cxd4 11. cxd4 Nb4 12. Bb1 f6 13. exf6 Nxf6 14. Re1 Bd7 15. Ng5 Rae8 16. Qh5 g6 17. Qh6 Bd6 18. Nxh7 Bxf4 19. Qxg6+ Kh8 20. Nxf6 Re7 21. Bxf4 Rxf6 22. Qxf6+ Rg7 23. Qf8+ Rg8 24. Be5# 1-0

