[Event "Interzonal-10b"]
[Site "Manila"]
[Date "1976.06.22"]
[Round "7"]
[White "Mariotti, Sergio"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2545"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. g5 hxg5 8. Bxg5 Nc6 9. Qd2 Qb6 10. Nb3 Bd7 11. O-O-O Ne5 12. Be3 Qc7 13. f4 Nc4 14. Bxc4 Qxc4 15. e5 dxe5 16. fxe5 Nd5 17. Na5 Qc7 18. Nxd5 exd5 19. Qxd5 Rc8 20. Rd2 Bb4 21. Rf2 O-O 22. Rg1 Bf5 23. Qg2 Bg6 24. Nb3 Qxe5 25. Bd4 Qe7 26. a3 Qe6 27. Qf3 Be7 28. Re2 Qd7 29. h4 Bxh4 30. Kb1 Bf6 31. Bxf6 gxf6 32. Qxf6 Rc6 33. Qd4 Rd6 34. Qh4 Rd1+ 35. Rxd1 Qxd1+ 36. Nc1 Rd8 37. Rh2 Qd4 38. Qxd4 Rxd4 39. b3 Rd6 40. Kb2 Kg7 41. b4 Be4 42. Nb3 f5 43. Nc5 Bc6 44. Nd3 Rd4 45. Kc3 Rg4 46. Ne5 Rg3+ 47. Kd4 Be4 48. a4 1/2-1/2