Author: Kurt Utzinger
Date: 23:21:58 08/20/04
Go up one level in this thread
On August 20, 2004 at 15:44:44, Sean Empey wrote:
>On August 20, 2004 at 12:58:21, Kurt Utzinger wrote:
>
>>On August 20, 2004 at 12:53:00, Robert Hyatt wrote:
>>
>>>On August 20, 2004 at 11:13:10, Kurt Utzinger wrote:
>>>
>>>>Have you seen how well Crafty 19.15 is doing
>>>>in our AT 2004 (90m+30s) tournament?
>>>>[http://www.utzingerk.com/at_2004.htm]
>>>>Kurt
>>>
>>>
>>>No, but that wasn't my point. In this particular position, this isn't about
>>>"endgame skill". It is a pure tactical position using endgame tables. Most any
>>>program with EGTB accessing that works will get the right answer, given enough
>>>time, with no endgame knowledge at all...
>>>
>>>Yace is definitely a great engine, but in this position, I doubt it is any
>>>better than any other engine that probes egtbs...
>>
>> I am going to test some engines in this position
>> using the 5men EGTB
>> Kurt
>
>
>Storm finds it using EGTB's (all 3, 4 and 5) It took around 3.75 minutes using 3
>threads.
The engines find the mate with 3-/4-men EGTB as well.
Enclosed the analysis of Shredder 8 once with 4-men EGTB
and once with 5men EGTB
Kurt
New game
8/8/8/3b4/5k1p/5N1P/5bPK/8 b - - 0 1
Analysis by Shredder 8: ***5men EGTB***
100...Ke3 101.Kh1 Bg3 102.Kg1 Bb3 103.Kf1 Bc4+ 104.Kg1 Be2 105.Kh1 Kf2 106.Nd4
Bb5
-+ (-3.80) Depth: 8/14 00:00:00 25kN, tb=218
-+ (-3.76) Depth: 13/15 00:00:01 93kN, tb=958
100...Be4 101.Nd2 Bc6 102.Nf1 Bd7 103.Nd2 Ba4 104.Nf3 Bd1
-+ (-3.77) Depth: 13/15 00:00:02 106kN, tb=1079
-+ (-3.78) Depth: 13/16 00:00:02 126kN, tb=1207
100...Bc6 101.Nd2 Ke3 102.Nf3 Bg3+ 103.Kg1 Bb5
-+ (-3.79) Depth: 13/16 00:00:02 128kN, tb=1238
-+ (-3.77) Depth: 15/18 00:00:04 331kN, tb=2839
100...Be4 101.Nd2 Bd3 102.Nf3 Bg6 103.Nd2 Bd4 104.Nf3 Bc3
-+ (-3.78) Depth: 15/18 00:00:04 349kN, tb=2952
-+ (-3.78) Depth: 15/18 00:00:05 369kN, tb=2984
100...Ke3 101.Kh1 Ke2 102.Kh2 Bb7 103.Kh1 Kd3 104.Kh2 Bg3+ 105.Kg1 Ke3
-+ (-3.79) Depth: 15/18 00:00:05 376kN, tb=3056
-+ (-3.79) Depth: 15/18 00:00:05 387kN, tb=3222
100...Ke4 101.Kh1 Bc6 102.Kh2 Kd5
-+ (-3.80) Depth: 15/19 00:00:06 442kN, tb=3672
-+ (-3.80) Depth: 15/19 00:00:06 474kN, tb=3734
100...Bb7 101.Nd2 Ba7 102.Nf3 Ke3 103.Nxh4 Kf2 104.Nf3 Bb8+ 105.Kh1 Bd5 106.h4
Kg3 107.h5 Bf4 108.Kg1 Bc4 109.Nh2 Be3+ 110.Kh1 Bd3 111.h6 Bc2 112.h7 Bf4
-+ (-3.81) Depth: 15/19 00:00:06 499kN, tb=3929
-+ (-#150) Depth: 27/36 00:04:35 44581kN, tb=427169
Analysis by Shredder 8: ***4men EGTB***
1...Be6 2.Nd2 Ke3 3.Nf3 Bb3 4.Kh1 Kf4 5.Kh2 Bd5 6.Nd2 Bd4 7.Nf3 Bf6 8.Nd2
-+ (-3.80) Depth: 10/13 00:00:00 48kN, tb=113
-+ (-3.80) Depth: 14/14 00:00:01 137kN, tb=575
1...Bf7 2.Nd2 Ke3 3.Nf3 Be6 4.Kh1 Kf4 5.Kh2 Bd5 6.g4
-+ (-3.81) Depth: 14/14 00:00:01 142kN, tb=579
-+ (-3.81) Depth: 15/19 00:00:01 296kN, tb=900
1...Be6 2.Nd2 Bf7 3.Kh1 Ke3 4.Nf3 Bg3
-+ (-3.82) Depth: 15/19 00:00:01 303kN, tb=943
-+ (-3.78) Depth: 16/19 00:00:02 500kN, tb=1452
1...Bf7 2.Kh1 Ba7 3.Nxh4 Ke3 4.Nf5+ Kf2 5.Nh6 Bd5 6.h4
-+ (-3.79) Depth: 16/19 00:00:02 512kN, tb=1483
-+ (-4.03) Depth: 21/28 00:00:11 3956kN, tb=9627
1...Ke3 2.Kh1 Ke2 3.Nh2 Bg3 4.Ng4 Bf4 5.Kg1 Bb8 6.Kh1 Ba7
-+ (-4.04) Depth: 21/30 00:00:14 5215kN, tb=15296
-+ (-4.04) Depth: 23/32 00:00:23 8987kN, tb=25414
1...Bb7 2.Nd2 Ba7 3.Nf3 Ke3 4.Nxh4 Kf2 5.Nf3 Ba6 6.Nd2 Bb8+ 7.Kh1 Bd3 8.h4 Bf4
9.Nf3 Bf1 10.Ne1 Kxe1 11.Kg1
-+ (-4.05) Depth: 23/32 00:00:30 11810kN, tb=34013
-+ (-#32) Depth: 30/42 00:07:09 200732kN, tb=768076
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