Zappa (Computer) vs Rybka (Computer) (2005)

Zappa (Computer) vs Rybka (Computer)
IPCCC 2005 · Queen's Indian Defense: Kasparov-Petrosian Variation. Kasparov Attack (E12) · 0-1

Given 4 times; par: 127 [what's this?]

explore this opening	find similar games	14 more Zappa/Rybka games
sac: 58...Rxc5	PGN: download \| view	Help: general \| java-troubleshooting

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Jan-22-06		THE pawn: Rybka has no endgame knowledge and still manages to win.

Jan-22-06		notyetagm: This is really scary, <THE pawn>. It beat the reigning computer champion without any tablebase knowledge because the program does not yet support it. Yikes!

Jan-28-06		RandomVisitor: 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5 11. O-O Qc7 12. Qe2 Nc6 13. Bb2 Na5 last book move 14. e5 -0.40/18 cxd4 -0.30/18 15. cxd4 -0.29/18 Nb3 -0.19/18 16. Bxh7+ -0.19/18 Kxh7 -0.20/18 17. Qd3+ -0.20/18 Kg8 -0.19/18 18. Qxb3 -0.18/18 Bd5 -0.18/18 19. Qe3 -0.19/18 Qb7 -0.18/18 20. Rfc1 $15 -0.32/18 (ybka 1.01 eta 13 32-bit: 20. h4 Bxf3 21. gxf3 Rac8 22. Rac1 Bxh4 23. Kg2 Qe7 24. Rh1 Bg5 25. f4 Rxc1 26. Rxc1 $11 -0.18/18) 20... b5 -0.33/18 21. Ne1 -0.30/18 a5 -0.36/18 22. f3 -0.29/18 Rfc8 -0.28/18 23. Nd3 -0.28/18 b4 -0.23/18 24. Nc5 -0.23/18 Qb6 -0.28/18 25. Rc2 -0.28/18 b3 -0.22/18 26. Rc3 -0.23/18 Rc6 -0.22/18 27. Rac1 -0.22/18 Rac8 -0.13/18 28. h3 $15 -0.31/18 (ybka 1.01 eta 13 32-bit: 28. g3 Qb5 29. h4 a4 30. h5 Bf8 31. Kf2 R8c7 32. Ne4 Be7 33. Rxc6 $11 -0.13/18) 28... Qb5 -0.30/18 29. Kf2 -0.32/18 a4 -0.33/18 30. Qe2 $15 -0.56/18 (ybka 1.01 eta 13 32-bit: 30. g3 Bd8 31. Ne4 Qa5 32. h4 Rxc3 33. Nxc3 Bb7 34. Ne4 Rxc1 35. Qxc1 Bd5 36. Nd6 f5 $15 -0.33/18) 30... Bh4+ -0.56/18 31. Kf1 -0.56/18 Qb8 -0.56/18 32. Kg1 -0.56/18 Bg5 -0.48/18 33. Rb1 -0.48/18 Qb6 -0.47/18 34. Bc1 -0.47/18 Be7 -0.49/18 35. Be3 -0.48/18 Qa5 -0.47/18 36. Rcc1 -0.49/18 Bh4 -0.38/18 37. Kh1 -0.47/18 R6c7 -0.47/18 38. Bd2 -0.47/18 Qa7 -0.47/18 39. Rc3 -0.47/18 Be7 -0.47/18

Jan-28-06		RandomVisitor: Part 2 of analysis: 40. Be3 -0.47/18 Rc6 -0.47/18 41. Re1 -0.55/18 Qa5 -0.55/18 42. Rec1 -0.52/18 Rb8 -0.55/18 43. Qb2 -0.55/18 Qb5 -0.51/18 44. Kh2 -0.55/18Bd8 -0.55/18 45. Bf4 -0.56/18 Ba5 -0.60/18 46. Re3 -0.57/18 Bb6 -0.60/18 47. Rec3 -0.60/18 Rbc8 -0.60/18 48. Be3 -0.60/18 Bd8 -0.55/18 49. R3c2 -0.55/18 Kh7 -0.55/18 50. Rd2 -0.57/18 Kh8 -0.53/18 51. Rdd1 -0.54/18 Kg8 -0.50/18 52. Re1 -0.61/18 Qb8 -0.53/18 53. Kh1 -0.55/18Be7 -0.53/18 54. Rg1 -0.68/18 Qb5 -0.68/18 55. Rge1 -0.67/18 f6 -0.69/18 56. exf6 $17 -1.15/18 (ybka 1.01 eta 13 32-bit: 56. Bf4 Kf7 57. exf6 gxf6 58. Be3 Bd6 59. Bf2 Rh8 60. Qd2 Kg6 61. Rb1 Rd8 62. Qd1 Bc7 $15 -0.69/18) 56... Bxf6 -1.30/18 57. Qd2 -1.23/18 Bc4 -1.14/18 58. Kh2 $19 -1.67/18 (ybka 1.01 eta 13 32-bit: 58. Rb1 e5 59. Bg5 exd4 60. Bxf6 gxf6 61. Ne4 Bd3 62. Rbd1 b2 $17 -1.14/18) 58... Rxc5 -1.74/18 59. dxc5 -1.42/18 b2 -1.42/18 60. Rb1 -1.76/18 Rd8 -1.74/18 61. Qf2 -1.81/18 Bd3 -1.79/18 62. Bg5 $19 -2.39/18 (ybka 1.01 eta 13 32-bit: 62. Bf4 Qc4 63. Bd6 Qa2 64. Rxb2 Qxb2 65. Qg3 Be2 66. Qg4 Qa2 67. Qg3 Bb5 68. Be5 $19 -1.79/18) 62... Bd4 -2.76/18 63. Be3 -2.81/18 Be5+ -2.81/18 64. f4 -2.81/18 Bxb1 -2.82/18 65. Rxb1 -2.83/18 Qd3 -2.85/18 66. Qd2 -2.70/18 Bf6 -2.70/18 67. Qxd3 -2.87/18 Rxd3 -2.88/18 68. Bg1 -3.61/18 Rd2 -3.68/18 69. h4 -4.02/18 Kf7 -4.02/18 70. h5 -4.20/18 Ke7 -4.20/18 71. c6 -4.20/18 Kd6 -4.21/18 72. Ba7 -4.90/18 Kxc6 -4.90/18 73. Bb8 -6.14/18 Kd5 -6.14/18 74. f5 $2 $19 -8.36/18 (ybka 1.01 eta 13 32-bit: 74. Bc7 Rc2 75. Ba5 Rc1 76. Rxb2 Bxb2 77. Bb4 Rc4 78. Bf8 Rxf4 79. Be7 Kc4 80. g3 Rf7 $19 -6.14/18) 74... exf5 -8.36/18 75. Bf4 -8.73/18 Rd3 -8.73/18 76. h6 -9.35/18 gxh6 -9.35/18 77. Bc1 -9.35/18 0-1

Jan-28-06		RandomVisitor: 55...f6 and 58...Rxc5 are the key points of the game. Nice rook sacrifice to advance a passed pawn. All the mistakes were Zappa's.

May-07-06		CapablancaFan: Amazing how the Rybka program saw and calculated 58...Rxc5!

May-12-06		notyetagm: This is really a brilliant game by Rybka.

May-12-06		Brown: <brilliant>??? Perhaps in that it dazzles, and is impressive, but it sounds strange to describe the program as "brilliant." Of course, I know you are describing the game, so this makes a little more sense. I think computer chess is just wild, and hard to describe...

Oct-11-06		Honza Cervenka: Bloody and painful torment of greedy pawn-grabber. Rybka's nice work with Bishop pair really reminds Janowski's masterpiece against Bogo.:-)

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