[Event "Interzonal-04"]
[Site "Portoroz"]
[Date "1958.09.02"]
[Round "16"]
[White "Averbakh, Yuri L"]
[Black "Sherwin, James T"]
[Result "1/2-1/2"]

1. e4 c5 2. Ne2 Nf6 3. Nbc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 Nbd7 7. Be3 g6 8. f3 Nb6 9. Bb3 Bd7 10. Nde2 Bg7 11. Qd4 Nc8 12. Qd2 O-O 13. h4 b5 14. Bh6 b4 15. Nd5 e6 16. Bxg7 Kxg7 17. Nxf6 Qxf6 18. c3 bxc3 19. Qxc3 Qxc3+ 20. Nxc3 Rb8 21. O-O-O Bc6 22. Rd4 Kf6 23. Rhd1 Rd8 24. Ba4 Rb6 25. Bc2 Ke7 26. b3 Na7 27. Rc4 Rd7 28. Rcd4 Bb7 29. R4d2 Bc6 30. Kb2 Rb8 31. Bd3 a5 32. Ka3 Nc8 33. Ne2 Rdb7 34. Nd4 Bd7 35. Ba6 Ra7 36. Bxc8 Rxc8 37. Rc2 Rxc2 38. Nxc2 Rc7 39. Kb2 f5 40. exf5 gxf5 41. Ne3 Bb5 42. f4 h5 43. Rc1 Rxc1 44. Kxc1 Kd7 45. Kd2 Kc6 46. Kc3 Kc5 47. a3 Ba6 48. b4+ axb4+ 49. axb4+ Kb6 50. Nc2 Bf1 51. Nd4 e5 52. fxe5 dxe5 53. Nxf5 Bxg2 54. Ne3 Ba8 55. Nc4+ Kc6 56. Nxe5+ Kd5 57. Nd7 Ke6 58. Nf8+ Kf7 59. Nd7 Ke6 60. Nb6 Bc6 61. Kd4 Kf5 62. Kc5 Be8 63. Nd5 Ba4 64. Ne3+ Kf4 65. Kd4 Kg3 66. Nf5+ Kg4 67. Ke5 Bd7 1/2-1/2