Author: John Merlino
Date: 15:41:07 09/03/04
Go up one level in this thread
On September 03, 2004 at 16:32:49, Will Singleton wrote: >On September 03, 2004 at 15:56:34, Will Singleton wrote: > >>[d]3r2k1/2Rbqpp1/7r/p2pPB2/1p1P3p/P3QN1P/1P3PP1/6K1 w - - bm axb4 Ng5 >> >>Amateur gets this in 38 sec on a p4 2.8ghz. I prefer Ng5 right away, but >>deferring one move doesn't seem to hurt. Strangely enough, in the actual game >>Amateur did play Ng5, probably due to the hash being full. In that game, all >>the pieces were quickly traded off, leaving a one pawn advantage which was >>enough to win easily. >> >>12 75 1494 6127807 Ra7 bxa3 bxa3 a4 Qf4 Qe8 Bxd7 Rxd7 Rxa4 Rb7 Rb4 Rxb4 axb4 >>13 71 3148 12689987 Ra7 bxa3 bxa3 a4 Qf4 Qe8 Ng5 f6 Bxd7 Rxd7 Rxd7 Qxd7 e6 >>13 116 3884 15700621 axb4 axb4 Ng5 b3 Qf4 Qe8 >>14 144 5171 20830021 axb4 axb4 Ng5 Rc6 Rxc6 Bxc6 Qf4 Ra8 Bh7 Kf8 Bg6 f6 > >Hmmm, actually, the postion might be won anyway. Still, you might check how >long it takes to get a good score. CM9_SKR on an AMD 2500 needs 2:18 to see that Ng5 is better than axb4. But the score isn't terribly high: Time Depth Score Positions Moves 0:00 1/3 0.61 2006 1.axb4 axb4 2.Qc1 Ra6 0:00 1/4 0.61 6554 1.axb4 axb4 2.Qc1 Ra6 0:00 1/5 0.44 22335 1.axb4 axb4 2.Ra7 Qe8 3.Bd3 Rc8 0:00 1/6 0.50 73254 1.axb4 axb4 2.Ra7 Qe8 3.Bd3 Bb5 0:00 1/6 0.60 85773 1.Ra7 bxa3 2.bxa3 Rb6 3.Qd2 a4 4.Nxh4 Qxh4 5.Bxd7 0:01 1/7 0.49 151544 1.Ra7 bxa3 2.bxa3 Qe8 3.Bxd7 Rxd7 4.Rxa5 Qd8 0:02 1/8 0.62 380287 1.Ra7 bxa3 2.bxa3 a4 3.Rb7 Qe8 4.Bd3 Rc8 5.Qg5 0:04 1/9 0.34 748289 1.Ra7 bxa3 2.bxa3 a4 3.Qd2 Rb6 4.Rc7 Rb3 5.Qc1 0:06 1/9 0.43 1204147 1.Qd2 Qe8 2.Bd3 Rc8 3.Rxc8 Qxc8 4.axb4 axb4 5.Qxb4 Bf5 6.Bxf5 Qxf5 0:11 1/10 0.36 2718149 1.Qd2 Qe8 2.Bd3 Rb8 3.Rc5 bxa3 4.bxa3 a4 5.Rxd5 Rb3 6.Rc5 Rxa3 0:13 1/10 0.51 3120363 1.Ra7 bxa3 2.bxa3 Qe8 3.Bxd7 Rxd7 4.Rxa5 Rb6 5.Qc1 Qd8 6.Rc5 0:22 1/11 0.43 5679836 1.Ra7 bxa3 2.bxa3 Qe8 3.Bxd7 Rxd7 4.Rxa5 Qd8 5.Rc5 Rb6 6.a4 Rb2 0:33 1/11 0.47 8249437 1.Qd2 Qe8 2.Bd3 Rc8 3.Rxc8 Bxc8 4.axb4 axb4 5.Qxb4 Ba6 6.Bxa6 Rxa6 7.Nxh4 Ra1+ 8.Kh2 Qc8 1:01 1/12 0.27 16014283 1.Qd2 Qe8 2.Bd3 bxa3 3.bxa3 a4 4.Qa5 Rc8 5.Rxc8 Qxc8 6.Qxd5 Be6 7.Qc5 Qxc5 8.dxc5 1:07 1/12 0.42 17742948 1.Ra7 bxa3 2.bxa3 Qe8 3.Bxd7 Rxd7 4.Rxa5 Qd8 5.Rc5 Rb6 6.Qd3 Rb2 7.a4 1:29 1/12 0.79 24080218 1.axb4 axb4 2.Ng5 Rh5 3.e6 Rxg5 4.Rxd7 Rxd7 5.exd7 Kf8 6.Qf4 Qd8 7.Qd6+ Kg8 8.Qxd5 2:18 1/12 0.83 38010762 1.Ng5 bxa3 2.bxa3 Rh5 3.e6 Rxg5 4.Rxd7 Rxd7 5.exd7 Kf8 6.Qf4 Qd8 7.Qd6+ Kg8 8.Qxd5 3:36 1/13 1.00 60234678 1.Ng5 bxa3 2.bxa3 Rc6 3.e6 Rxc7 4.exf7+ Kf8 5.Nh7+ Kxf7 6.Bg6+ Kxg6 7.Qxe7 Rcc8 8.Ng5 Bf5 9.Nf3 Kh7 10.Qxh4+ Kg8 jm
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