[Event "URS-ch45 Semifinal"]
[Site "Beltsy"]
[Date "1977.??.??"]
[Round "11"]
[White "Platonov, Igor V"]
[Black "Kaplun, Leonid I"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 cxd4 6. Nxd4 Ne4 7. Qd3 Qa5 8. Nb3 Nxc3 9. Bd2 Ne4 10. Qxe4 Bxd2+ 11. Nxd2 O-O 12. Bg2 Nc6 13. Qf4 Qb6 14. b3 d5 15. cxd5 exd5 16. O-O Be6 17. Nf3 Rad8 18. Rfd1 d4 19. Rd2 h6 20. Ne5 Rfe8 21. Bxc6 bxc6 22. Rc1 c5 23. Nd3 Rd5 24. Rdc2 Rc8 25. Qe4 Rg5 26. h4 Bf5 27. Qd5 Bxd3 28. hxg5 Bxc2 29. gxh6 Qxh6 30. Rxc2 Qg6 31. Rd2 a5 32. Kg2 Qb1 33. Rd3 Qc2 34. Rf3 Rf8 35. a4 Qxe2 36. Qxc5 Qe4 37. Qf5 Qb7 38. Kh2 Rd8 39. Rd3 Rd5 40. Qg4 g6 41. f3 Qc6 42. Qf4 Qe6 43. Qe4 Re5 44. Qg4 Rh5+ 0-1