[Event "Alicante"]
[Site "Alicante"]
[Date "1978.03.??"]
[Round "13"]
[White "Beliavsky, Alexander G"]
[Black "Diesen, Mark C"]
[Result "1-0"]
[WhiteElo "2545"]
[BlackElo "2220"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Bd6 8. h3 Bh5 9. e4 e5 10. dxe5 Nxe5 11. Be2 O-O 12. Nd4 Bg6 13. Bg5 Be7 14. f3 Bc5 15. Be3 Re8 16. Na4 Bf8 17. Rc1 Ned7 18. Bf4 c6 19. Nb3 h6 20. Kh1 Ne5 21. Qxd8 Raxd8 22. Rfd1 Nfd7 23. Na5 b5 24. Nc3 Bb4 25. Nb3 f6 26. a3 Bf7 27. Nd4 Bf8 28. Bh2 a6 29. f4 c5 30. Ndxb5 axb5 31. Bxb5 Nc4 32. Bxd7 Re7 33. Bc6 Rc8 34. Bd5 Nxb2 35. Bxf7+ Kxf7 36. Rd5 c4 37. e5 Nd3 38. Rb1 fxe5 39. fxe5 Rc5 40. Rd8 Re8 41. Rb7+ 1-0