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Subject: Re: A little Engame R+p vs. R+p

Author: Dann Corbit

Date: 15:58:39 12/18/01

Go up one level in this thread


On December 18, 2001 at 13:51:28, Eduard Nemeth wrote:

>What says your program (with TBs too) !!
>
>[D]4K3/4P3/rp6/7R/2k5/8/8/8 w - - 0 1
>
>(Draw)

Beowulf is a bit over-enthusiastic:

Position 1 - White to play
--------------------------
ID =
FEN = 4K3/4P3/rp6/7R/2k5/8/8/8 w - -

. . . . K . . .
. . . . P . . .
r p . . . . . .
. . . . . . . R
. . k . . . . .
. . . . . . . .
. . . . . . . .
. . . . . . . .

Current Position = 0.91
Number of Possible Moves = 18

  7    717      47      44969   h5h6 c4c5 e8f7 a6a7 h6e6 b6b5 e6d6
  8    705      91      88671   h5h6 c4c5 e8f7 a6a7 h6h1 b6b5 h1h5 c5c6 h5h6
c6d7
  8    742     297     303024   h5h4 c4c5 e8f7 a6a8 h4e4 b6b5 e4e5 c5c4 e5e6
a8a7
  9    753     838     743145   h5h4 c4c5 e8f7 a6a8 h4h1 c5c4 h1b1 b6b5 b1a1
a8b8 a1c1 c4d4 c1b1 b5b4
 10    725    3308    2083417   h5h4 c4c5 e8f7 a6a8 h4h5 c5c4 h5h2 a8a7 h2c2
c4d5 c2b2 d5c5 b2c2 c5d4 c2b2 d4c5 &rep.
 11    753    7980    4413790   h5h4 c4c3 h4h6 a6a8 e8f7 b6b5 h6a6 a8h8 f7g7
h8e8 a6c6 c3b4 g7f7 e8b8 c6f6 b4c3 f6d6 c3c4 f7e6
 12    724?  12120    6633025   h5h4 c4c3 h4h6 a6a8 e8f7 b6b5 h6a6 a8h8 f7g7
h8e8 a6c6 c3b4 g7f7 e8b8 c6b6 b8a8 b6e6 b4c5 e6e1 b5b4 e1e4 a8a7 e4e5 c5c4 e5e4
c4c5 &rep.
 12    725   18381   10744145   h5h4 c4c5 e8f7 a6a8 h4h5 c5b4 f7f6 a8e8 h5h3
e8a8 h3f3 b6b5 f3f4 b4c5 f6f7 b5b4 f4f5 c5d4 f5f2 d4c3 f2f5 a8a7 f5c5 c3b3 c5d5
a7e7

Search Time : 999.1 Seconds
Total Nodes Searched   : 107564976  (75.0% Qui)
Total Nodes Evaluated  : 80056076
Cuts       : Delta   807898  : SEE      841892  : Mate          0
           : Razor  8629221  : Eval    3571219
Extensions : Check 10874037  : OneRep   180179  : CMThreat 224848
           : Pawn   1500600  : Recap         0  : RevCheck 255442
Hash Stores (Size) : 6803955  (2796181)
Hash Probes (Hits) : 63041905  (12935073)
EGTB Probes (Hits) : 2659245  (2659245)
Move Ordering      : 80.0%
Best Move = h5h4



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