[Event "URS-ch25 Final"]
[Site "Riga"]
[Date "1958.01.13"]
[Round "1"]
[White "Polugaevsky, Lev"]
[Black "Gipslis, Aivars P"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 O-O 5. g3 d6 6. Bg2 a6 7. O-O Nc6 8. h3 Rb8 9. a4 Na5 10. b3 c6 11. e4 b5 12. axb5 axb5 13. cxb5 cxb5 14. e5 Ne8 15. Nd5 Nc6 16. Bf4 Bb7 17. Re1 dxe5 18. Nxe5 Nxe5 19. dxe5 Bxd5 20. Qxd5 Qxd5 21. Bxd5 Nc7 22. Bg2 Ne6 23. Bd2 Nc5 24. Re3 b4 25. Bf1 Rfd8 26. Be1 e6 27. Rc1 Nd7 28. f4 Bf8 29. Rd3 Nc5 30. Rxd8 Rxd8 31. Bc4 Ne4 32. Kf1 Kg7 33. Ke2 Rd4 34. Ra1 Nc3+ 35. Kf3 Nd5 36. Ra7 Rd1 37. Bf2 Kg8 38. Rd7 h5 39. h4 Rd2 40. Rb7 Rd1 41. Rd7 Nc3 42. Rb7 Nd5 43. Ba7 Ne7 44. Bc5 Nc6 45. Ke2 Rd8 46. Bb6 Ra8 47. Kd3 Ne7 48. Ra7 Rc8 49. Ke4 Nf5 50. Kf3 Be7 51. Rb7 Ra8 52. Bf2 Ra1 53. Bd3 Kf8 54. Rb8+ Kg7 55. Re8 Bf8 56. Rc8 Ra3 57. Bc4 Be7 58. Re8 Bf8 59. Bg1 Be7 60. Bb6 Kh7 61. Rb8 Kg7 62. Rb7 Kf8 63. Ra7 Kg7 64. Kg2 Kf8 65. Rb7 Ra2+ 66. Kf3 Rc2 67. Rd7 1/2-1/2