Aitken, James Macrae VS Portisch, Lajos 1958.10.04

[Event "Olympiad-13 Preliminaries C"]
[Site "Munich"]
[Date "1958.10.04"]
[Round "4"]
[White "Aitken, James Macrae"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 a6 7. O-O Nf6 8. Nxc6 bxc6 9. f4 d5 10. Bf3 Bc5+ 11. Kh1 O-O 12. e5 Nd7 13. Na4 Be7 14. c4 Nb6 15. Nxb6 Qxb6 16. f5 exf5 17. cxd5 cxd5 18. Bxd5 Rb8 19. Qf3 Be6 20. Bxe6 fxe6 21. b3 Rbc8 22. Qg3 Rfd8 23. Bh6 Bf8 24. Bf4 Rc2 25. Rfc1 Qc6 26. h3 Rd3 27. Rxc2 Qxc2 28. Qe1 h6 29. Qc1 Qxc1+ 30. Rxc1 g5 31. Bh2 Ba3 32. Rc8+ Kf7 33. Rc7+ Ke8 34. Kg1 Kd8 35. Rc2 f4 36. Kf2 Bb4 37. h4 Kd7 38. hxg5 hxg5 39. Ke2 Re3+ 40. Kf2 Be1+ 41. Kf1 Ba5 42. Re2 Rd3 43. Re4 Rd1+ 44. Kf2 Rh1 45. Bxf4 gxf4 46. Rxf4 Rh5 47. Ra4 Bb6+ 48. Kf3 a5 49. b4 Rxe5 50. bxa5 Bxa5 0-1