[Event "CAN-op U1600"] [Site "Toronto CAN"] [Date "1983.07.10"] [Round "2"] [White "Ivans, WG."] [Black "Mazur, Gordon"] [Result "0-1"] [WhiteElo "1504"] [BlackElo "1599"] [ECO "B86"] [EventDate "1983.07.09"] [PlyCount "58"] [EventType "swiss"] [EventRounds "10"] [EventCountry "CAN"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Bd3 Bb7 9. O-O Nbd7 10. a3 Rc8 11. Rc1 Ne5 12. Qd2 Qc7 13. Nce2 Nc4 14. Bxc4 Qxc4 15. Bg5 Be7 16. b3 Qc5 17. Be3 Qc7 18. b4 d5 19. exd5 Nxd5 20. Bf2 O-O 21. Ng3 Rfd8 22. Ne4 Nf6 23. Nc5 Bxc5 24. bxc5 e5 25. Qb4 exd4 26. Bxd4 Qf4 27. c3 Re8 28. Rfe1 Re2 29. Bxf6 Rxg2+ 0-1