[Event "URS-ch28 Final & Zonal"]
[Site "Moscow"]
[Date "1961.02.07"]
[Round "18"]
[White "Borisenko, Georgy Konstantinov"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 Be7 6. Be2 O-O 7. O-O c6 8. Re1 a6 9. Rb1 Re8 10. Bf1 Bf8 11. d5 c5 12. g3 g6 13. Nh4 Kh8 14. Qf3 Bg7 15. Bg5 Rf8 16. Bd3 Qe8 17. g4 Ng8 18. Qh3 Ndf6 19. f3 h5 20. Ng2 Nh7 21. Bd2 Ngf6 22. Be2 Qd7 23. Ne3 hxg4 24. Nxg4 Nh5 25. Bf1 Qc7 26. Qh4 Bd7 27. a4 Qc8 28. b3 Qe8 29. b4 f5 30. exf5 gxf5 31. Ne3 Bf6 32. Qf2 Qd8 33. Ng2 b6 34. bxc5 bxc5 35. Rb7 Bc8 36. Rb3 Ng5 37. Bxg5 Bxg5 38. Reb1 Qf6 39. Ne2 f4 40. Nc3 Bf5 41. R1b2 Ra7 1/2-1/2