Author: Uri Blass
Date: 00:19:08 01/19/06
Go up one level in this thread
On January 18, 2006 at 15:31:34, Dann Corbit wrote: >On January 18, 2006 at 15:20:43, Albert Silver wrote: > >>On January 18, 2006 at 13:46:37, Dann Corbit wrote: >> >>>On January 18, 2006 at 13:39:22, Albert Silver wrote: >>>[snip] >>>[D]rn1qkbnr/pp3ppp/2p1p3/3pPb2/3P4/5N2/PPP1BPPP/RNBQK2R b KQkq - fmvn 5; id >>>"Silver Suite - Caro-Kann, Advance : ECO B12"; >>> >>>>> 17 14:24 82.327.198 97.659 -0.23 Bf8b4+ Bc1d2 Bb4xd2+ Qd1xd2 Nb8d7 Nb1c3 >>>>>Ng8e7 000 00 Kc1b1 >>>>> 1/18/2006 5:17:33 AM, Time for this analysis: 00:15:00, Rated time: 7:15:00 >>>> >>>>Let no one claim the suite was made to favor Rybka. :-) >>>> >>>>I knew it played this dreadful move, since when testing the positions, I used >>>>Rybka, Fruit, and Tiger to see how they treated them. The position is quite >>>>flexible and according to the tree in Chess Assistant, there are several >>>>acceptable continuations. >>> >>>If you have a list of pm, bm or am (like the above Bb4+ should be am) I would be >>>very pleased to get them. >>> >>>>I am playing a match between Rybka and Fritz 9 (arrived yesterday) at 10m + 2s. >>>>and the games are quite good. The way Fritz took Rybka apart in the first game >>>>playing the aginst the Bird, makes me wonder whether the position is well >>>>chosen, or whether Rybka just didn't see the danger. Still, after 40 games, >>>>Rybka Beta 10 leads 26.5 - 13.5 with only 11 draws in 40 games! Talk about >>>>blood-thirsty. Below is the game I mentioned. >>> >>>[snip of game] >> >>In theory there shouldn't be any single Best Move, since the purpose was to >>avoid this as a starting position. >> >>Avoid Move such as Rybka's Bb4+ is only possible by knowing the engine would >>play such a thing, and even so, it may be alone in this nutty idea. I'd hardly >>make a list of every silly move in a postions and label them 'avoid move'. :-) > >If a strong chess engine after 15 minutes of analysis makes the mistake, then I >think it is an ideal avoid move position. 15 minutes are simply not enough time Rybka needs more than an hour. New game [D]rn1qkbnr/pp3ppp/2p1p3/3pPb2/3P4/5N2/PPP1BPPP/RNBQK2R b KQkq - 0 1 Analysis by Rybka 1.01 Beta 10d 32-bit: 1...Na6 = (0.14) Depth: 3 00:00:00 1...Na6 = (0.17) Depth: 4 00:00:00 1...Na6 2.0-0 ² (0.28) Depth: 5 00:00:00 1...Nd7 2.0-0 = (0.24) Depth: 5 00:00:00 1...Nd7 2.0-0 Qb6 = (0.24) Depth: 6 00:00:00 12kN 1...Nd7 2.0-0 Nh6 3.Nc3 ² (0.33) Depth: 7 00:00:00 34kN 1...Bb4+ 2.Bd2 Bxd2+ 3.Qxd2 Ne7 4.Nc3 Nd7 ² (0.28) Depth: 7 00:00:01 84kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.Bd2 ² (0.27) Depth: 8 00:00:01 124kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.Bd2 c5 ² (0.27) Depth: 9 00:00:02 182kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.a3 Bxc3 5.bxc3 0-0 = (0.25) Depth: 10 00:00:03 330kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.Nh4 0-0 5.Bg5 Qb6 ² (0.29) Depth: 11 00:00:06 564kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.Nh4 0-0 5.Bg5 Qb6 6.Qd2 ² (0.29) Depth: 12 00:00:12 1117kN 1...Bb4+ 2.Nbd2 Nd7 3.0-0 Ne7 4.Nh4 0-0 5.c3 Ba5 6.Nxf5 Nxf5 7.Nf3 ² (0.28) Depth: 13 00:00:36 3337kN 1...Bb4+ 2.Nbd2 Nd7 3.0-0 a5 4.Nb1 a4 5.a3 Ba5 6.Nc3 Ne7 7.Nxa4 ² (0.30) Depth: 14 00:01:16 7426kN 1...Bb4+ 2.Nbd2 Nd7 3.0-0 a5 4.Nb1 a4 5.a3 Ba5 6.Bg5 f6 7.exf6 gxf6 ² (0.27) Depth: 15 00:02:12 13065kN 1...Bb4+ 2.Nbd2 Nd7 3.0-0 Be7 4.Nb3 h5 5.Ne1 h4 6.Bd3 Bxd3 7.Nxd3 Nh6 8.Qh5 ² (0.27) Depth: 16 00:04:04 24121kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 Ne7 4.Nh4 0-0 5.g4 Bg6 6.Bg5 h6 7.Nxg6 fxg6 8.Bd2 = (0.25) Depth: 17 00:08:59 50759kN 1...Bb4+ 2.Nbd2 Nd7 3.0-0 Be7 4.Nb3 h5 5.Bf4 g5 6.Be3 g4 7.Ne1 Qb6 8.Nd3 = (0.22) Depth: 18 00:25:22 133776kN 1...Bb4+ 2.Nc3 Nd7 3.0-0 h6 4.a3 Ba5 5.b4 Bb6 6.Be3 Ne7 7.Nh4 0-0 8.Bd3 = (0.25) Depth: 19 00:40:41 212877kN 1...Nd7 2.0-0 Be7 3.Nc3 h5 4.h3 Nh6 5.Nh2 c5 6.Nf3 Bg6 7.dxc5 Nxc5 8.Bb5+ = (0.22) Depth: 19 01:02:49 310298kN (, 19.01.2006) Uri
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