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Subject: Rybka 1.0 Underestimated the Yugoslav Attack

Author: Terry McCracken

Date: 13:41:16 02/13/06


McCracken,Terry - Rybka 1.0 Beta 32-bit [B75]

120'/40+60'/20+30' none, 13.02.2006

64MB, Shredder8.ctg, Default

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nbd7 8.Qd2 a6
9.Bc4 Qc7 10.Bb3 Nc5  0.06/12  2:25  11.0–0–0 (g4) 11...Bd7  0.13/12  2:17
12.Bh6 (g4) 12...0–0  0.17/13  2:57  13.h4 (g4) 13...Nxb3+  0.34/12  5:36
14.axb3 Bxh6  0.45/13  4:03  15.Qxh6 Qd8  0.58/13  4:37  16.h5 e5  0.81/15  6:01
 17.Nde2 Be6  0.96/14  3:39  18.g4 Qe7  1.38/15  5:24  19.g5 Ne8  1.55/16  0
20.f4 Rc8  1.78/12  1:13  21.Rdg1 b5  1.85/13  56  22.f5 b4  2.09/14  2:21
23.fxe6 bxc3  2.62/15  4:32  24.exf7+ Qxf7  2.72/16  3:46  25.Nxc3 Nc7  2.83/15
6:39  26.Rh2 Qf4+  2.64/14  2:20  27.Rd2 gxh5  2.74/14  2:11  28.Qxh5 Qf3
2.76/13  2:31  29.Qh2 Qf4  2.97/13  17  30.g6 Qxh2  3.01/14  3:08  31.Rxh2 hxg6
3.15/15  2:43  32.Rxg6+ Kf7  3.01/11  0  33.Rxd6 Ke7  3.22/15  5:11  34.Rb6 Rh8
3.21/15  5:31  35.Rxh8 Rxh8  3.33/16  1:41  36.Nd5+ Nxd5  3.51/17  4:03  37.exd5
Rh1+  3.46/18  6:09  38.Kd2 Rh2+  3.43/19  4:35  39.Kc3 a5  3.57/21  8:44
40.Re6+ Kd7  3.63/21  7:16  41.Rxe5 Kd6  3.63/20  7:33  42.Rg5 Re2  3.63/18
2:06  43.Kd3 Rh2  3.63/17  6:57  44.c4 Rh3+  3.94/16  15:09  45.Ke4 Rh4+
3.88/16  6:52  46.Kf5 a4  3.91/14  53  47.Rg6+ Kd7  3.94/15  59  48.c5 Rh5+
4.22/14  1:48  49.Rg5 Rh7  6.24/16  6:32  50.bxa4 Rf7+  7.00/16  1:30  51.Ke5
Rh7  7.23/16  53  52.b4 (d6) 52...Kc8  8.17/15  1:39  53.d6 1–0


The first move in question 7..Nbd7?! Shredder 8 CTG.

[D]r1bqk2r/pp1nppbp/3p1np1/8/3NP3/2N1BP2/PPP3PP/R2QKB1R w KQkq - 0 8

9..Qc7? is also doubtful. Shredder 8 CTG.

[D]r1b1k2r/1pqnppbp/p2p1np1/8/2BNP3/2N1BP2/PPPQ2PP/R3K2R w KQkq - 0 10

The first two moves I blame Shredders Opening Book.

However, Rybka falls into a K-Side Attack 12.0-0?. A human would be more careful
here.

[D]r4rk1/1pqbppbp/p2p1npB/2n5/3NP3/1BN2P2/PPPQ2PP/2KR3R w - - 0 13

Then Rybka plays too passively with 15..Qd8?

[D]r2q1rk1/1p1bpp1p/p2p1npQ/8/3NP2P/1PN2P2/1PP3P1/2KR3R w - - 0 16

By move 22 Black is busted.

[D]2r1nrk1/4qp1p/p2pb1pQ/4pPPP/1p2P3/1PN5/1PP1N3/2K3RR w - - 0 23


Mr. Derek Paquette, do you still want to put up your life savings against me?;-)

Terry



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