Author: Benny Antonsson
Date: 16:49:32 05/20/02
Go up one level in this thread
On May 20, 2002 at 12:51:27, Uri Blass wrote: >On May 20, 2002 at 10:23:13, Benny Antonsson wrote: > >>Alarm analyzis on a P3/533 MHz with 32 MB hash. >> >>[D]r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - - 0 1 >> >>With nullmoves: >>1 92 0 127 Bg4 >>2 109 2 811 Bg4 Qf2 >>3 99 7 4680 Bg4 Qf2 Bb6 >>4 66 35 25457 Bg4 Qf2 Bb6 Kc1 >>5 110 66 44565 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 >>6 110 249 278029 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 >>7 108 921 1237281 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 Nxg4 Nxg4 >>8 97 3387 4760024 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 c3 >> >>Without nullmoves: >>1 92 0 127 Bg4 >>2 109 2 798 Bg4 Qf2 >>3 99 7 4322 Bg4 Qf2 Bb6 >>4 66 44 28050 Bg4 Qf2 Bb6 Kc1 >>5 110 87 74448 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 >>6 110 478 667798 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 >>7 108 2491 3970606 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 Nxg4 Nxg4 >>8 97 13183 20784340 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 c3 >> >>In this position alam really benefits from nullmove pruning :) > >It needs to search more time. > >0.97 is not a convincing score for Bg4. > >it needs to see at least +2.50 > >Movei also likes Bg4 at very small depthes but change it's mind to d4 only to >change it later again to Bg4. > >Uri Here is another one then.. with null move pruning and 64 MB hash this time: 1 92 1 127 Bg4 2 109 2 811 Bg4 Qf2 3 99 7 4680 Bg4 Qf2 Bb6 4 66 28 25457 Bg4 Qf2 Bb6 Kc1 5 110 44 44565 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 6 110 211 277990 Bg4 Qf2 Bb6 Kc1 Ne4 Bxb6 cxb6 Bxe4 Rxe4 7 108 901 1235114 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 Nxg4 Nxg4 8 97 3427 4735123 Bg4 Qf2 Bb6 Bxb6 cxb6 Ne3 c5 c3 9 97 7161 9326224 Bg4 Qf2 d4 Bxd4 Bxd4 Bc4+ Kf8 Qxd4 Qg2+ <HT> 10 447 17828 27613143 Bg4 Qf2 d4 Re1 dxe3+ Nxe3 Nd5 Nxg4 Bxf2 Nxf2 Qg2
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