Author: Chuck
Date: 06:19:01 11/17/05
Go up one level in this thread
Interesting. Shredder 9.1 UCI with access to about 70 GB of tablebases (all 3-4-5 and some 6) gives the following analysis, which seems to shed no more light on the position (1.h4 really seems to slow it down): New game, 8/4k1p1/8/4KPp1/6P1/7P/8/8 w - - 0 1 Analysis by Shredder 9.1 UCI UCI: 1.h4 µ (-1.10) Depth: 1/2 00:00:00 1.h4 ± (1.33) Depth: 1/2 00:00:00 1.Ke4 +- (2.97) Depth: 1/2 00:00:00 1.Ke4 +- (2.97) Depth: 1/2 00:00:00 1.Ke4 Kf6 +- (2.99) Depth: 2/3 00:00:00 1.Ke4 Kf6 +- (2.72) Depth: 3/4 00:00:00 1.Ke4 Kf6 2.Kf3 +- (2.72) Depth: 3/4 00:00:00 1.Kd5 +- (2.79) Depth: 3/5 00:00:00 1.Kd5 Kf6 2.Ke4 +- (2.79) Depth: 3/5 00:00:00 1.Kd5 Kf7 2.Kd6 Kf6 +- (2.85) Depth: 4/6 00:00:00 1.Kd4 +- (2.86) Depth: 4/7 00:00:00 1.Kd4 Kf6 2.Ke4 g6 +- (2.86) Depth: 4/7 00:00:00 1.Kd4 Kf6 +- (2.59) Depth: 5/7 00:00:00 1.Kd4 Kf6 2.Ke4 g6 3.fxg6 +- (2.29) Depth: 5/7 00:00:00 1.Kd4 Kf6 +- (2.60) Depth: 6/7 00:00:00 1kN, tb=4 1.Kd4 Kf7 2.Kd3 Ke7 3.Ke3 Kf6 +- (2.89) Depth: 6/7 00:00:00 1kN, tb=4 1.Kd5 +- (2.92) Depth: 6/9 00:00:00 1kN, tb=7 1.Kd5 Kf7 2.Kd4 Kf6 3.Ke4 Ke7 +- (3.17) Depth: 6/9 00:00:00 1kN, tb=7 1.Kd5 Kf7 +- (2.89) Depth: 7/9 00:00:00 1kN, tb=15 1.Kd5 Kf7 2.Kd4 Ke7 +- (2.89) Depth: 7/9 00:00:00 2kN, tb=17 1.Kd5 Kf7 2.Kd4 Ke7 3.Kd3 Kf7 4.Ke3 Kf6 +- (2.89) Depth: 8/9 00:00:00 3kN, tb=27 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 +- (2.89) Depth: 9/10 00:00:00 5kN, tb=40 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 +- (2.89) Depth: 10/11 00:00:00 8kN, tb=56 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 +- (2.89) Depth: 11/13 00:00:00 12kN, tb=113 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Ke4 +- (2.89) Depth: 12/14 00:00:01 16kN, tb=240 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 +- (2.89) Depth: 13/14 00:00:01 24kN, tb=392 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 +- (2.89) Depth: 14/16 00:00:01 35kN, tb=663 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd5 Ke7 7.Kd4 Kf7 8.Kd5 +- (2.89) Depth: 15/17 00:00:02 52kN, tb=1016 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Ke4 +- (2.89) Depth: 16/19 00:00:04 72kN, tb=1685 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 17/22 00:00:04 102kN, tb=2268 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 18/22 00:00:05 145kN, tb=3152 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 +- (2.89) Depth: 19/30 00:00:06 232kN, tb=4814 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 20/30 00:00:07 327kN, tb=6040 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 +- (2.89) Depth: 21/30 00:00:09 445kN, tb=7282 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 22/30 00:00:10 642kN, tb=9764 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 23/30 00:00:11 985kN, tb=11901 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 +- (2.89) Depth: 24/30 00:00:13 1575kN, tb=13948 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 25/36 00:00:16 3084kN, tb=16194 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 26/40 00:00:20 6184kN, tb=17648 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 +- (2.89) Depth: 27/42 00:00:33 15325kN, tb=17963 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 Kf7 8.Kd4 Ke7 9.Ke5 Kf7 10.Kd5 Ke7 11.Kd4 Kf7 12.Kd3 Ke7 13.Ke3 Kf7 14.Kd4 +- (2.89) Depth: 28/44 00:01:42 57848kN, tb=18315 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 +- (2.89) Depth: 29/46 00:02:33 95008kN, tb=18998 1.Kd5 Kf7 2.Kd4 Ke7 3.Ke5 Kf7 4.Kd5 Ke7 5.Kd4 Kf7 6.Kd3 Ke7 7.Ke3 +- (2.89) Depth: 30/48 00:03:57 155113kN, tb=20099 1.Kd5 Kd7 2.Kd4 Kd6 3.Ke4 Ke7 +- (2.89) Depth: 31/58 00:08:33 379239kN, tb=26975 Note Shredder here is choosing a different move than Fruit, even after 30+ ply. Cheers, Chuck
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