[Event "Alekhine Memorial-02"]
[Site "Moscow"]
[Date "1971.12.07"]
[Round "10"]
[White "Stein, Leonid"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]

1. c4 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. O-O Nc6 8. d5 Na5 9. Qc2 a6 10. Nd2 Rb8 11. b3 b5 12. Bb2 e5 13. dxe6 fxe6 14. cxb5 axb5 15. Nce4 Bb7 16. Rad1 Qe7 17. Nxf6+ Bxf6 18. Bxf6 Qxf6 19. Ne4 Bxe4 20. Qxe4 d5 21. Qe3 Rfc8 22. Bh3 Rc6 23. Qd2 Ra6 24. Qe3 Nb7 25. Rc1 Rba8 26. Rc2 c4 27. Rd1 Nd8 28. Rdd2 Nf7 29. f4 Kg7 30. Kg2 h5 31. Kf2 Nd6 32. Bg2 Rc8 33. Qe5 Qxe5 34. fxe5 Rf8+ 35. Ke1 Nf7 36. bxc4 bxc4 37. e4 Nxe5 38. exd5 exd5 39. Bxd5 Nd3+ 40. Ke2 Re8+ 41. Kf1 Rf6+ 42. Kg1 Re1+ 43. Kg2 Re5 44. Bxc4 Ne1+ 45. Kg1 Nxc2 46. Rxc2 Rc6 47. Bb3 Rxc2 48. Bxc2 Re2 49. Bb3 Kf6 50. a4 g5 51. Bd5 g4 52. a5 Re5 53. Bc6 Rxa5 54. h4 gxh3 55. Kh2 Kg5 56. Kxh3 Rc5 57. Bf3 h4 58. gxh4+ Kf4 59. Be2 Re5 60. Bc4 Re3+ 61. Kg2 Kg4 62. Kf2 Rc3 63. Bd5 Kxh4 1/2-1/2