[Event "Chigorin Memorial-09"]
[Site "Sochi"]
[Date "1973.??.??"]
[Round "10"]
[White "Spiridonov, Nikola"]
[Black "Rukavina, Josip"]
[Result "1/2-1/2"]

1. Nf3 d5 2. d3 g6 3. Nbd2 Bg7 4. e4 c6 5. g3 e5 6. Bg2 Ne7 7. O-O O-O 8. Re1 d4 9. c3 c5 10. cxd4 cxd4 11. b4 a6 12. Nc4 Nec6 13. a4 Be6 14. Qb3 h6 15. Bd2 Nd7 16. b5 Na5 17. Bxa5 Bxc4 18. Qb4 b6 19. dxc4 bxa5 20. Qd6 Rc8 21. Bh3 Nc5 22. Qd5 Qxd5 23. cxd5 Ra8 24. bxa6 Rxa6 25. Bf1 Rb6 26. Bb5 f5 27. Nd2 Nxe4 28. Nxe4 fxe4 29. Rxe4 Rc8 30. Ree1 Kf7 31. Rac1 Rxc1 32. Rxc1 Bf8 33. Rc7+ Kf6 34. f3 Bd6 35. Rc8 e4 36. fxe4 Rb8 37. Rc6 Ke5 38. Kf2 Rd8 39. Kf3 Rf8+ 40. Ke2 Rd8 41. Ra6 Kxe4 42. Rxa5 g5 43. Ra7 Rc8 44. Bd3+ Kxd5 45. Rh7 Re8+ 46. Kd1 Ra8 47. Bb5 Bf8 48. Rf7 Kc5 49. Kc2 Kb4 50. Kd3 Rd8 51. Rf6 Rc8 52. Rg6 Rc3+ 53. Kxd4 Rc2 1/2-1/2