Author: Uri Blass
Date: 00:53:55 04/25/03
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On April 25, 2003 at 02:44:55, Timothy J. Frohlick wrote: >Frohlick,T - Shredder 7.04 >8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 > >Analysis by Shredder 7.04 AMD 1500 MHz 128 MB Hash 512 MB RAM > >1...Bd3 2.Bxd3 > +- (5.38) Depth: 1/2 00:00:00 >1...Bd3 2.Bxd3 > +- (4.39) Depth: 1/2 00:00:00 >1...Kh4 2.g3+ Kh3 3.Kg1 Bd7 4.Bf1+ Kg4 5.Kf2 Bc6 6.h4 Kf5 > +- (2.48) Depth: 1/2 00:00:00 How does shredder see a line of 12 plies at depth 1/2 If this is a result of learning then it is better to delete the learning files of shredder (shredder.plr) before analysis and to uncheck the parameter of position learning in shredder. Note that the default parameter of knowledge is 100 I tried to change that parameter to 400 and got the following analysis that suggest that even after changing parameters shredder learned from previous search. New game 8/8/8/5bk1/8/8/4B1PP/5K2 b - - 0 1 Analysis by Shredder 7.04: 1...Bd3 +- (2.00) Depth: 1/1 00:00:00 1...Bd3 2.Bxd3 Kf4 +- (2.63) Depth: 1/2 00:00:00 1...Bd3 2.Bxd3 Kf4 +- (5.66) Depth: 1/3 00:00:00 1...Kh4 2.Kf2 Be6 3.Ke3 Kg5 4.g3 Bh3 5.Kf2 Kf5 6.Bf1 Kg4 +- (1.93) Depth: 1/3 00:00:00 1...Kh4 2.Kf2 Be6 3.Ke3 Kg5 4.g3 Bh3 5.Kf2 Kf5 6.Bf1 Kg4 +- (1.93) Depth: 1/11 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 1/11 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 1/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 2/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 3/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 4/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 5/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 6/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 7/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 8/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 9/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 10/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 11/17 00:00:00 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 12/17 00:00:01 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 13/17 00:00:01 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 14/17 00:00:01 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 15/17 00:00:01 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 16/17 00:00:01 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 17/17 00:00:02 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 18/18 00:00:02 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 19/19 00:00:02 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 20/20 00:00:02 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 21/21 00:00:02 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 22/22 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 23/23 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 24/24 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 25/25 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 26/26 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 27/27 00:00:03 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 28/28 00:00:04 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 29/29 00:00:04 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 30/30 00:00:04 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 31/31 00:00:05 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 32/32 00:00:05 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Bd3+ Kg5 6.Bf1 Kh6 7.Bd3 Kg5 8.Bf1 Kh6 9.Bd3 Kg5 10.Bf1 = (0.11) Depth: 33/33 00:00:06 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Ke1 Kg7 6.Kd1 Kf7 7.Bd3 Kg7 8.Bf5 Kf7 9.Bc2 Kg7 10.Be4 Kg8 ² (0.36) Depth: 34/38 00:00:07 843kN 1...Bh3 2.gxh3 Kh4 3.Kg2 Kg5 4.Kf2 Kg6 5.Ke1 Kg7 6.Kd1 Kf7 7.Bd3 Kg7 8.Bf5 Kf7 9.Bc2 Kg7 10.Be4 Kf6 ± (0.86) Depth: 34/38 00:00:19 6072kN (Blass, Tel-Aviv 25.04.2003) Uri
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