Author: Colin Frayn
Date: 14:00:03 03/03/02
Go up one level in this thread
On March 03, 2002 at 15:44:41, Jon Dart wrote:
>Recently Arasan had this position against Gandalf on ICC:
>
>[D] 8/p5kp/1pBnP1p1/8/8/P3P3/4K2P/8 w - -
>
>Arasan played e7? here and lost. It had limited time here: it switches
>off e7 pretty quickly, and prefers Kd3, but continues to give White a
>positive score.
>
>On the other hand, a variety of other programs I've tried (Crafty,
>Hiarcs 7, and Pharaon) play e4 here with a negative score for White.
Well Beowulf plays e4, but still thinks white is slightly better. However, I
tend to agree with GCP's analysis and I think Black is better. This might be an
interesting position to test. I'll see if I can fix the eval.
[1]W > comp
Current Position = 0.78
Number of Possible Moves = 23
9 67 64 134306 e4 Kf8 Kd3 Ke7 Bd7 h6 Kd4 a5
10 58 102 229582 e4 Kf8 Kd3 Ke7 Bd7 Nb7 Kc4 Nc5 Kd5 a6
11 79 246 557119 e4 Kf8 Kd3 Ke7 Bd7 a5 Kd4 b5 e5 Nf5+ Kd5 b4
12 72 444 1071974 e4 Kf8 Kd3 Ke7 Bd7 b5 Kd4 a6 e5 Nf5+ Ke4 a5 Kf4
13 80 1005 2575700 e4 Kf8 Kd3 Ke7 Bd7 b5 Kd4 a6 h3 a5 e5 Nf5+ Kd5
b4
14 67 3408 8731790 e4 Kf8 Kd3 Ke7 Bd7 h6 Kd4 b5 e5 Nf5+ Kc5 Ne3
Kxb5 Ng4 h4
14 67 6000 14998350 e4 Kf8 Kd3 Ke7 Bd7 h6 Kd4 b5 e5 Nf5+ Kc5 Ne3
Kxb5 Ng4 h4
Search Time : 60.01 Seconds
Total Nodes Searched : 14998350 (66.9% Qui)
Total Nodes Evaluated : 10027183
Cuts : Delta 68423 : SEE 122611 : Mate 0
: Razor 483654 : Eval 4375197
Extensions : Check 481740 : OneRep 10329 : CMThreat 16
: Pawn 457058 : Recap 30018 : RevCheck 84680
Hash Stores (Size) : 2456892 (4194301)
Hash Probes (Hits) : 11972917 (4817007)
EGTB Probes (Hits) : 0 (0)
Move Ordering : 83.3%
Best Move = e4
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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