[Event "CAN-op U1600"] [Site "Toronto CAN"] [Date "1983.07.17"] [Round "10"] [White "Staples, Christian"] [Black "Tierney, Geoffrey"] [Result "1-0"] [WhiteElo "1463"] [BlackElo "1561"] [ECO "B12"] [EventDate "1983.07.09"] [PlyCount "71"] [EventType "swiss"] [EventRounds "10"] [EventCountry "CAN"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Nd7 7. O-O Qc7 8. Bf4 Ne7 9. Nbd2 Ng6 10. Bg3 O-O-O 11. Ng5 Nb6 12. c3 h6 13. Nxe6 fxe6 14. Qxg6 Qd7 15. b3 c5 16. Nf3 c4 17. Rab1 Qe8 18. Nh4 cxb3 19. axb3 Rg8 20. Ra1 Qxg6 21. Nxg6 Kb8 22. f4 Nc8 23. f5 exf5 24. Rxf5 Ne7 25. Nxe7 Bxe7 26. Raf1 Rgf8 27. Rf7 Rxf7 28. Rxf7 Bg5 29. h4 Bd2 30. e6+ Kc8 31. Rc7+ Kb8 32. Rxg7+ Kc8 33. Rc7+ Kb8 34. e7 Re8 35. Rc5+ Ka8 36. Rxd5 1-0