[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.01.23"]
[Round "7"]
[White "Tal, Mihail"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. Ne3 Nxe3 15. Bxe3 Be6 16. Nd2 Rfe8 17. f4 Rad8 18. fxe5 dxe5 19. d5 Bd7 20. c4 Rb8 21. a4 b4 22. a5 Rf8 23. Ba4 Bxa4 24. Rxa4 Rbd8 25. Qf3 Rd6 26. Nb3 Nd7 27. Raa1 Rg6 28. Rf1 Bd6 29. h4 Qd8 30. h5 Rf6 31. Qg4 Rf4 32. Bxf4 exf4 33. Nd2 Ne5 34. Qxf4 Nxc4 35. e5 Nxe5 36. Ne4 h6 37. Rae1 Bb8 38. Rd1 c4 39. d6 Nd3 40. Qg4 Ba7+ 41. Kh1 f5 42. Nf6+ Kh8 43. Qxc4 Nxb2 44. Qxa6 Nxd1 45. Qxa7 Qxd6 46. Qd7 Qxf6 47. Qxd1 Rb8 48. Rf3 Ra8 49. Qe1 Rxa5 50. Qxb4 Re5 51. Qf4 Kh7 52. Kh2 Rd5 53. Rf1 Qg5 54. Qf3 Re5 55. Kg1 Rc5 56. Qf2 Re5 57. Qf3 Ra5 58. Kh2 Kh8 59. Kg1 Ra2 60. Qd5 Rc2 61. Qa8+ Kh7 62. Qf3 Rc1 63. Rxc1 Qxc1+ 64. Kh2 Qc7+ 65. Kh3 Qe5 66. g4 fxg4+ 67. Kxg4 Qg5+ 68. Kh3 Qf6 69. Qe4+ Kg8 70. Qe8+ Qf8 71. Qxf8+ Kxf8 72. Kg4 Kf7 73. Kf5 1/2-1/2