[Event "Toronto op"]
[Site "Toronto"]
[Date "1972.04.02"]
[Round "6"]
[White "Kostiuk, Paul"]
[Black "Brodie, Hugh"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1700"]
[BlackElo "1800"]
[PlyCount "50"]
[EventDate "1972.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nf6 3. Nf3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Nxe5 Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. b3 Qf6 11. Rb1 Bd6 12. Qg4 0-0 13. Qh3 Rfe8 14. 0-0 Re6 15. Bb2 Qg5 16. d3 Rh6 17. Bc1 Rxh3 18. Bxg5 Bxh2+ 19. Kh1 Rh5 20. Be3 Bd6+ 21. Kg1 exd3 22. cxd3 Rd5 23. Rfd1 f5 24. g3 Re8 25. d4 Bxg3 0-1

[Event "Toronto op"]
[Site "Toronto"]
[Date "1972.04.02"]
[Round "5"]
[White "Kostiuk, Paul"]
[Black "O'Brien, Matthew"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1700"]
[BlackElo "1700"]
[PlyCount "95"]
[EventDate "1972.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[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 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. Bd3 b5 10. 0-0 Bb7 11. f5 e5 12. Nde2 b4 13. Nd1 0-0 14. c4 a5 15. b3 Na6 16. Ng3 Rfc8 17. Qe2 Nc5 18. Nf2 a4 19. Bc2 axb3 20. axb3 Ra3 21. Rxa3 bxa3 22. b4 Na6 23. b5 Qxc4 24. Qxc4 Rxc4 25. Bd3 Ra4 26. bxa6 Bxa6 27. Bxa6 Rxa6 28. Nd3 Ra4 29. Ra1 Kf8 30. Kf1 Nxe4 31. Bxe7+ Kxe7 32. Nxe4 Rxe4 33. Rxa3 Kf6 34. Nf2 Rb4 35. Rd3 Rb1+ 36. Ke2 Rb2+ 37. Ke3 Rb6 38. g4 g6 39. Ne4+ Ke7 40. Nc3 Rb7 41. Nd5+ Kd8 42. f6 Rb2 43. h3 Rh2 44. Ke4 Re2+ 45. Re3 Rxe3+ 46. Nxe3 Kd7 47. Kd5 Kc7 48. Nc4 1-0

[Event "Toronto op"]
[Site "Toronto"]
[Date "1972.04.01"]
[Round "3"]
[White "McHoull, Paul"]
[Black "Kostiuk, Paul"]
[Result "0-1"]
[ECO "E74"]
[WhiteElo "1796"]
[BlackElo "1700"]
[PlyCount "60"]
[EventDate "1972.03.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. h3 exd5 10. exd5 Re8 11. Nf3 Nfd7 12. 0-0 Ne5 13. Nxe5 Bxe5 14. Bd3 Nd7 15. Re1 Qd8 16. Qc2 f5 17. f4 Bd4+ 18. Kh1 Rxe1+ 19. Rxe1 Bf2 20. Re2 Bg3 21. Qc1 Nf6 22. Be1 Nh5 23. Bd2 Bd7 24. Nb5 Bxb5 25. cxb5 Qh4 26. Qc3 Nxf4 27. Bxf4 Bxf4 28. g3 Bxg3 29. Bxf5 gxf5 30. Rg2 f4 0-1

