Zappa vs. Rybka Game

Here is a game between Zappa and Rybka, arguably the two strongest chess playing programs, which occurred this year.

The game started: 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 b5 10. Nxc6 Bxc6 11. Bd3 Be7 12. Kb1 O-O 13. h4 Rc8 14. a3 Ba8 15. Qe3 Re8 16. Qa7

Diagram after White's 16th move


And here Rybka sacrifices the rook 16. ... Rxc3, an idea seen in Sicilian games. The game continued: 17. bxc3 Qc8 18. a4 Qxc3 19. axb5 axb5 20. Bd2 Qc6 21. Ba5 d5 22. e5 Nd7 23. Qc7 Bc5 24. Qxc6 Bxc6 25. f4 Ra8 26. Bc3 Nb6 27. Bb2 h6 28. Rh2 Be3 29. Bc1 Bf2 30. Rh3 d4 31. Be2 Nd5 32. Rf1 Bxh4 33. Bb2 Be7 34. Bxd4 Ra4 35. c3 b4 36. Bd1 Ra5 37. cxb4 Nxb4 38. Bf3 Bb5 39. Rfh1 Bd3+ 40. Kb2 Bf5 41. g4 Nd3+ 42. Kb3 Ra3+ 43. Kc4 Ra4+ 44. Kc3 Bg6 45. Bc6 Ra6 46. Bb5 Ra3+ 47. Kd2 Ra2+ 48. Ke3 Nf2 49. Ra1 Rxa1 50. Kxf2 Ra2+ 51. Be2 Bc2 52. Kg1 Be4 53. Kf2 g5 54. fxg5 Bxg5 55. Kf1 Bd5 56. Ke1 Ra4 57. Bb2 Kg7 58. Ba3 Bf4 59. Bb2 Re4 60. Kf2 Bxe5 61. Bc1 Bf4 62. Bb2+ e5 63. Ra3 Be6 64. Bd3 Re3 65. Be2 Rxa3 66. Bxa3 Kg6 67. Bf3 Kg5 68. Be7+ f6 69. Ke2 Kh4 70. Kf2 Bg5 71. Bd6 Bxg4 0-1