[Event "URS-ch16 Semifinal"]
[Site "Moscow"]
[Date "1947.??.??"]
[Round "1"]
[White "Petrosian, Tigran V"]
[Black "Konstantinopolsky, Alexander Markovich"]
[Result "1/2-1/2"]

1. d4 d5 2. Nf3 e6 3. Bg5 Be7 4. Bxe7 Qxe7 5. Nbd2 Nf6 6. e3 Nbd7 7. c4 O-O 8. cxd5 exd5 9. Bd3 Re8 10. O-O c6 11. Nb1 Nf8 12. Qc2 Bg4 13. Ne5 Bh5 14. Nc3 Ng4 15. Nxg4 Bxg4 16. Rae1 Rad8 17. Ne2 Bxe2 18. Rxe2 g6 19. Rb1 Ne6 20. b4 a6 21. a4 Rc8 22. Qb3 Qg5 23. Rc2 f5 24. f4 Qd8 25. Be2 Qd6 26. Rd2 Ra8 27. Rd3 Nxf4 28. exf4 Rxe2 29. Re3 Re8 30. Re5 Qc7 31. b5 axb5 32. axb5 Qb6 33. Qd3 R2xe5 34. fxe5 c5 35. Qf3 cxd4 36. Qxd5+ Qe6 37. Qxb7 Qxe5 38. Qf3 Qe4 39. Qxe4 fxe4 40. b6 e3 41. b7 Rb8 1/2-1/2