[Event "1st World Computer Chess Championship"]
[Site "Stockholm, Sweden"]
[Date "1974.08.08"]
[Round "4"]
[White "Ostrich"]
[Black "Kaissa"]
[Result "0-1"]

1. Nf3 e6 2. d4 Nf6 3. Bg5 d5 4. e3 Be7 5. Nc3 Bb4 6. Bxf6 Bxc3+ 7. bxc3 Qxf6
8. Bd3 c5 9. O-O O-O 10. Qd2 Nc6 11. dxc5 Qe7 12. c4 dxc4 13. Bxc4 Qxc5 14.
Qd3 Rd8 15. Qe4 b5 16. Bd3 f5 17. Qh4 e5 18. e4 f4 19. Rfe1 Bb7 20. Ng5 h6 21.
Ne6 Qb6 22. Nxd8 Rxd8 23. a4 b4 24. Bc4+ Kh8 25. Rad1 Nd4 26. Rc1 Bc6 27. c3
bxc3 28. Rxc3 Bxa4 29. Qe7 Nc6 30. Qf7 Qc5 31. Rd3 Nd4 32. Bd5 Bb5 33. Rh3
Ne2+ 34. Kh1 Qxf2 35. Rd1 Qb6 36. Rb1 Rc8 37. Be6 Rd8 38. Qg6 Qb7 39. Qf5 Qc7
40. Rh4 Nd4 41. Qh3 Nxe6 42. Qxe6 Bd3 43. Rg1 Bc4 44. Qf5 Be2 45. Ra1 a5 46.
Qg6 a4 47. Re1 Bc4 48. Ra1 a3 49. Rb1 Qd6 50. Qxd6 Rxd6 51. Rh3 a2 52. Rc1 Rd4
53. Rhc3 Rxe4 54. Ra1 Rd4 55. Rxc4 Rxc4 56. g3 f3 57. h3 Rc2 58. Rd1 Rd2 59.
Rc1 e4 60. g4 e3 61. Kg1 e2 62. Kf2 Rd1 63. Rc8+ Kh7 64. Kxf3 e1=Q 65. Rc2
Rd3+ 66. Kf4 g5+ 67. Kf5 Rf3# 0-1


