[Event "CAN-op"] [Site "Ottawa CAN"] [Date "1980.07.27"] [Round "10"] [White "Cohen, David"] [Black "Lawrence, F."] [Result "1/2-1/2"] [BlackElo "1498"] [ECO "D53"] [EventDate "1980.07.19"] [PlyCount "49"] [EventType "swiss"] [EventRounds "10"] [EventCountry "CAN"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4 6. Bxe7 Qxe7 7. Bd3 Nxc3 8. bxc3 Nd7 9. Ne2 O-O 10. O-O Rd8 11. c5 c6 12. Ng3 e5 13. e4 dxe4 14. Bxe4 Nxc5 15. Re1 Nxe4 16. Rxe4 f6 17. Qb3+ Be6 18. Qb2 Bf7 19. dxe5 fxe5 20. Rae1 Qc7 21. Rxe5 Re8 22. Rxe8+ Rxe8 23. Rxe8+ Bxe8 24. Qc2 Bg6 25. Qb3+ 1/2-1/2