[Event "Montreal International"]
[Site "Montreal"]
[Date "1979.04.14"]
[Round "4"]
[White "Larsen, Bent"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2620"]
[BlackElo "2640"]
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. Rb1 a5 8. a3 Nd4 9. b4 axb4 10. axb4 c6 11. b5 O-O 12. bxc6 bxc6 13. Nxd4 exd4 14. Ne4 Nxe4 15. Bxe4 Ra6 16. O-O Bg4 17. Bf4 f5 18. Bg2 g5 19. Bd2 f4 20. Rb7 Qc8 21. Qb1 Be5 22. gxf4 gxf4 23. Kh1 Ra1 24. Qxa1 Qxb7 25. Be4 Kh8 26. Rg1 Bxe2 27. Qe1 Bh5 28. c5 Rg8 29. Rxg8+ Kxg8 30. cxd6 Bxd6 31. Qc1 f3 32. Bxc6 Qc7 33. Qc4+ Bf7 34. Qb5 Bf4 35. Bb4 Qc8 36. Qc5 Bh6 37. Bxf3 Qh3 38. Bg2 Qxd3 39. Qc8+ Kg7 0-1