Author: Uri Blass
Date: 08:43:00 05/04/03
Go up one level in this thread
On May 04, 2003 at 11:29:46, Uri Blass wrote: >On May 04, 2003 at 10:47:05, Joachim Rang wrote: > >>Okay, >> >>there was a discussion what does give Shredder 7 an edge above other programs. >>I created a position to determine the influence of king safety and piece >>coordination: >> >>[D] rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - 0 1 >> >>White is a piece down, but the exposed black king and the black trapped pieces >>makes this a won position for white. It's all tactics, but it's no simple >>tactics, so most programs get a positive score for white not earlier than depth >>12 or 13 - except Shredder 7: > >Latest Movei evaluates this position as a small advantage for white at small >depthes. > > > >New game >rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - 0 1 > >Analysis by moveiX: > >1.Qb4+ Ke8 > ² (0.39) Depth: 1 00:00:00 >1.Qb4+ Ke8 2.Nxe5 > ² (0.30) Depth: 2 00:00:00 >1.Bxe5 > ² (0.31) Depth: 2 00:00:00 >1.Qb4+ Ke8 2.Nxe5 > ² (0.30) Depth: 2 00:00:00 >1.Qb4+ Ke8 2.Nxe5 > ² (0.30) Depth: 2 00:00:00 >1.Qb4+ Ke8 2.Bxe5 a5 > = (0.25) Depth: 3 00:00:00 >1.Qa3+ > ² (0.26) Depth: 3 00:00:00 >1.Qa3+ Ke8 2.Bxe5 Rg8 > ² (0.32) Depth: 3 00:00:00 >1.Qa3+ Ke8 2.Bxe5 Rg8 > ² (0.32) Depth: 3 00:00:00 >1.Qa3+ Ke8 2.Bxe5 f6 3.Bf4 > ² (0.35) Depth: 4 00:00:00 >1.Qa3+ Ke8 2.Bxe5 f6 3.Bf4 > ² (0.35) Depth: 4 00:00:00 >1.Qa3+ Ke8 2.Bxe5 Bxe5 3.dxe5 Ne6 4.Bc4 > ² (0.36) Depth: 5 00:00:00 >1.Qa3+ Ke8 2.Bxe5 Bxe5 3.dxe5 Ne6 4.Bc4 > ² (0.36) Depth: 5 00:00:00 > >Uri Fritz8.008 can also see positive score for white at small depthes If you include also Junior7 then I do not think that it is the reason for shredder superiority. New game rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - 0 1 Analysis by Fritz 8: 1.Qb4+ Ke8 2.Nxe5 f6 3.Nd3 Nf7 4.Bc4 ± (1.13) Depth: 6/25 00:00:00 104kN 1.Qb4+ Ke8 2.Nxe5 f6 3.Nd3 Nf7 4.Bc4 h6 ± (1.03) Depth: 7/25 00:00:00 178kN 1.Nxe5! ± (1.06) Depth: 7/28 00:00:01 533kN 1.Nxe5 f6 2.Nf3 Kd8 3.d5 c5 4.Qa4 ± (1.13) Depth: 7/28 00:00:02 632kN 1.Nxe5 f6 2.Qb4+ Ke8 3.Nd3 Nf7 4.Bc4 h6 5.b3 ± (1.06) Depth: 8/31 00:00:03 869kN 1.Nxe5! ± (1.34) Depth: 9/29 00:00:08 2523kN (Blass, Tel-Aviv 04.05.2003) Uri
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