Portisch, Lajos VS Stein, Leonid 1965.09.26

[Event "ZSK International-07 Erevan"]
[Site "Yerevan"]
[Date "1965.09.26"]
[Round "7"]
[White "Portisch, Lajos"]
[Black "Stein, Leonid"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 Nf6 12. Ng2 c6 13. Rb1 cxd5 14. cxd5 Bd7 15. Be3 f4 16. Bf2 g5 17. Qd3 h5 18. h3 hxg4 19. hxg4 Kf7 20. Nb5 Bxb5 21. Qxb5 Rh8 22. Rbc1 Qg8 23. Be1 Qh7 24. Rc7 Qh2+ 25. Kf2 b6 26. Qc6 Rac8 27. Qxd6 Rxc7 28. Qxc7 Nxd5 29. Qc4 Qg3+ 30. Kg1 Qh2+ 31. Kf2 b5 32. Qb3 Qg3+ 33. Kg1 Qh2+ 34. Kf2 Kg6 35. exd5 Qg3+ 36. Kg1 Qh2+ 37. Kf2 e4 38. Bxb5 e3+ 39. Ke2 Qxg2+ 40. Kd1 Rd8 41. Bd3+ Kh6 42. Qc2 Qh3 43. Qc4 Rd6 44. Bb4 Qg2 45. Qc2 Qxc2+ 46. Kxc2 Be5 47. Rh1+ Kg7 48. Rh7+ Kf8 49. Bxd6 Bxd6 50. Rh6 Bc5 51. Be4 Kg7 52. Rh7+ Kf6 53. Kd3 Ke5 54. Rh5 Kf6 55. Rh6+ Kg7 56. Ra6 Ng8 57. Rc6 Bb6 58. Rg6+ Kf7 59. Rxg5 Kf6 60. Rf5+ 1-0