[Event "1986 Canadian Open"]  [White "Artur Yusupov"]  [Black "Irwin Lipnowski"]  [Result "1-0"]  [ECO "E70"]  [WhiteElo "2660"]  [BlackElo "2402"]  [Annotator "ATH"]  [PlyCount "35"]  [EventDate "1986.07.12"]  [EventType "swiss"]  [EventRounds "10"]  [EventCountry "CAN"]  [SourceTitle "Canbase"]  [SourceDate "2015.08.19"]  [SourceVersion "1"]  [SourceVersionDate "2015.08.19"]  [SourceQuality "1"]   1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bd3 O-O 7. Nge2 $5 (7. Nf3  $14) 7... e5 $6 (7... a6 8. a4 $14) 8. h3 (8. Bg5 $16) 8... Ne8 9. g4 (9. h4 $1  h5 10. f3 $16) 9... Qh4 10. Ng3 (10. Ng1 $1 $16) 10... Bf6 (10... a6 11. Be3  $16) 11. Qd2 (11. Be3 $16) 11... Kg7 (11... Bd7 12. a3 $16) 12. Nd1 (12. Nce2  $1) 12... h6 $6 (12... Kg8 13. Kf1 $16) 13. Ne3 Bg5 14. Qe2 (14. Qc3 $1 Bxe3  15. Bxe3 $16) 14... Bf4 15. Qf3 Qf6 16. h4 (16. Bd2 $5) 16... Rh8 17. Nef5+ $2  (17. Qg2 $1 Bxe3 18. Bxe3 Bxg4 19. Be2 Bxe2 20. Nf5+ Kf8 21. Bg5 $1 gxf5 (21...  hxg5 22. hxg5 Rxh1+ 23. Qxh1 $18) 22. Bxf6 Nxf6 23. Kxe2 Rg8 24. Qh3 $16) 17...  Kf8 $4 (17... Kg8 18. Ne3 Bxe3 19. Qxf6 Nxf6 20. Bxe3 Bxg4 21. f3 Bh5 $11) 18.  g5 (18. g5 Qd8 19. Nxh6 $18) 1-0