[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.29"]
[Round "17"]
[White "Larsen, Bent"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2620"]
[BlackElo "2430"]
1. e4 c5 2. Nf3 e6 3. Be2 Nc6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Qc3 b6 9. Rd1 Qc7 10. Be3 Bd6 11. Rxd6 Qxd6 12. Qxg7 Qf8 13. Qxf8+ Kxf8 14. Nc3 Ke7 15. Rd1 d6 16. f4 Rg8 17. Nb5 Ba6 18. Rd2 Bxb5 19. Bxb5 Rac8 20. Bf2 Rg4 21. g3 Rgg8 22. Be2 e5 23. Kf1 Nd8 24. Be3 Ne6 25. Kf2 Rc7 26. Kf3 Rb8 27. f5 Nd4+ 28. Bxd4 exd4 29. Bd1 Rc4 30. b3 Rc3+ 31. Kf4 f6 32. Rxd4 Rbc8 33. a4 h6 34. Kg4 R8c5 35. Kh5 Re5 36. Kxh6 Re3 37. Kg7 R3xe4 38. Rxe4 Rxe4 39. g4 Re1 40. g5 Kd8 41. Kxf6 Rxd1 42. g6 Ke8 43. g7 1-0