[Event "St Jean op"]
[Site "Montreal"]
[Date "1972.06.23"]
[Round "1"]
[White "Mercille, JM."]
[Black "Zalys, Ignas"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "74"]
[EventDate "1972.06.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. d4 Nxc3 6. bxc3 Bg4 7. Be2 e6 8. 0-0 Bd6 9. Qd3 Bf5 10. Qb5+ Qd7 11. dxc5 Be7 12. Ne5 Qxb5 13. Bxb5+ Kf8 14. Rd1 Bxc2 15. Nd7+ Nxd7 16. Rxd7 a6 17. Be2 Be4 18. Be3 Bc6 19. Rd2 f6 20. Rad1 Kf7 21. Bc4 Rhd8 22. f4 Rxd2 23. Rxd2 Rd8 24. f5 Rxd2 25. Bxe6+ Ke8 26. Bxd2 Bxc5+ 27. Kf1 Ke7 28. h4 Be4 29. g4 Bf3 30. g5 Be4 31. Bc8 Bd5 32. gxf6+ gxf6 33. Bh6 Kd8 34. Bg7 Kxc8 35. Bxf6 Bxa2 36. Be5 Kd7 37. Ke2 Bb1 0-1

