Author: Dann Corbit
Date: 16:02:51 12/31/01
Go up one level in this thread
On December 30, 2001 at 10:57:30, Severi Salminen wrote:
>I just would like to see how other engines do in similar position. So, feed the
>position (1.e4 e5 2.d4 d5) to your engine, perform a 10 ply search and report
>the number of nodes and qnodes. To make sure we count nodes identically, this is
>what I do: I increase nodes if I don't call qsearch() from search() and I
>increase qnodes in the beginning of qsearch(). Like this:
>
>search()
>{
> if(depth<=0)
> qsearch()
> nodes++;
>.
>.
>}
>
>qsearch()
>{
> qnodes++;
>.
>.
>}
>
>Try to get similar counting scheme so figures are comparable. Here is the
>position:
>[d] rnbqkbnr/ppp2ppp/8/3pp3/3PP3/8/PPP2PPP/RNBQKBNR w KQkq - 0 1
>
>And please tell if you use SEE or not. I'll post my results soon also.
Beowulf:
[1]W >
Current Position = 0.00
Number of Possible Moves = 38
6 82 54 49373 d4e5 d5e4 d1d8 e8d8 b1c3 f8b4 c1d2 b4c3 d2c3
7 81 118 110039 d4e5 d5e4 d1d8 e8d8 b1c3 b8c6 c1g5 f8e7 O-O-O c8
d7 c3e4 e7g5 e4g5 c6e5
8 82 307 330523 d4e5 d5e4 d1d8 e8d8 b1c3 f8b4 c1d2 b4c3 d2c3
9 98 879 1022553 d4e5 d5e4 d1d8 e8d8 b1c3 c8f5 c1e3 f7f6 e5e6 f5e
6 c3e4
10 92 2100 2731528 d4e5 d5e4 d1d8 e8d8 b1c3 b8d7 c3e4 d7e5 c1g5 f8e
7 O-O-O c8d7 g5e3
Search Time : 32.09 Seconds
Total Nodes Searched : 4545978 (81.3% Qui)
Total Nodes Evaluated : 3696803
Cuts : Delta 431054 : SEE 192114 : Mate 0
: Razor 328658 : Eval 2392193
Extensions : Check 137160 : OneRep 1121 : CMThreat 716
: Pawn 2272 : Recap 22151 : RevCheck 1743
Hash Stores (Size) : 891007 (2796181)
Hash Probes (Hits) : 3027461 (871862)
EGTB Probes (Hits) : 0 (0)
Move Ordering : 92.5%
Best Move = d4e5
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