Petrosian, Tigran V VS Sidorov, Boris N 1950.10.??

[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "12"]
[White "Petrosian, Tigran V"]
[Black "Sidorov, Boris N"]
[Result "1-0"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Qc2 Bd6 7. Bg5 O-O 8. e3 Nbd7 9.
Bd3 Qc7 10. O-O-O Re8 11. g4 Kh8 12. Rdg1 b5 13. Bxf6 Nxf6 14. g5 Ne4 15. Nxe4 dxe4 16.
Bxe4 Be6 17. g6 hxg6 18. Ng5 f5 19. Nxe6 Rxe6 20. Bf3 Rc8 21. h4 c5 22. d5 Rf6 23. h5 g5
24. Rxg5 c4 25. Kb1 Rcf8 26. Rhg1 R8f7 27. Rg6 Be5 28. h6 gxh6 29. Rg8+ Kh7 30. Bh5 Rf8
31. Rxf8 Rxf8 32. f4 Bg7 33. Bg6+ Kh8 34. Bxf5 Qc5 35. Qg2 Qe7 36. Qg6 Rxf5 37. Qxf5 Qxe3
38. Rd1 Qf2 39. Qc2 Qxf4 40. d6 Qf8 41. d7 Qd8 42. Qg6 1-0