Author: Dann Corbit
Date: 12:12:42 08/16/01
Go up one level in this thread
On August 16, 2001 at 04:42:20, Scott Gasch wrote:
>This is a position that can come up in the sicilian dragon. My engine does not
>see it until it's way too late, even in standard time controls.
>
>[D] 3qr1k1/pp1bppb1/3p2p1/2rN2Bn/2nNPPp1/1B6/PPP1Q3/2KR3R b - - 0 1
>
>The idea is to avoid Ng3 because it leads to something like this:
>
>[D] 3qr1k1/pp1bppb1/3p2p1/2rN2B1/2nNPPp1/1B6/PPP4Q/2K4R b - - 0 3
>
>I bet that the strong amateurs and pros will avoid this move quickly. I need
>about 6M nodes and 10 ply to see its bad... even then my engine still wants to
>play it as it thinks the king can sneak out. It can't, according to opening
>book literature.
As I watched Beowulf think about this position, I heard the voice of Darth Vader
say:
"You shall PAY for your LACK OF VISION!"
[1]W > st 999
Default Search Time set to 999 seconds
[1]W > setboard 3qr1k1/pp1bppb1/3p2p1/2rN2Bn/2nNPPp1/1B6/PPP1Q3/2KR3R b - -
[1]B > post
[1]B > go
[1]B >
Current Position = 1.63
Number of Possible Moves = 47
7 331 80 109976 h5g3 e2d3 g3h1 d5e7 e8e7 g5e7 d8e7 b3c4
8 346 236 349531 h5g3 e2d3 g3h1 d1h1 c4a5 c1d1 a5c6 c2c3 c6d4 c3d4
9 356 779 1142962 h5g3 e2d3 g3h1 d1h1 b7b5 a2a4 g7d4 d3d4 e7e5
10 339 2015 2961909 h5g3 e2d3 g3h1 d1h1 c4b6 c1d1 b6d5 b3d5 d8b6 b2b3
11 346 9186 12087330 h5g3 e2d3 g3h1 d1h1 c4b6 g5e7 e8e7 d5e7 d8e7 c1d1
e7f6 d4e2
12 317 99901 118658256 h5g3 e2d3 g3h1 b3c4 h1f2 g5e7 e8e7 d5e7 d8e7 d4c6
f2d3 d1d3 c5c4
Search Time : 999.0 Seconds
Total Nodes Searched : 118658256 (90.0% Qui)
Total Nodes Evaluated : 106824663
Cuts : Delta 0 : SEE 46998694 : Mate 302265
: Razor 6031165 : Eval 58923712
Extensions : Check 3264774 : OneRep 266678 : CMThreat 27688
: Pawn 56022 : Recap 241839 : RevCheck 65843
Hash Stores (Size) : 7332733 (2097143)
Hash Probes (Hits) : 85757343 (4878053)
EGTB Probes (Hits) : 0 (0)
Move Ordering : 73.8%
Best Move = h5g3
[1]B >
Current Position = 1.63
Number of Possible Moves = 47
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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