Author: Martin Giepmans
Date: 11:05:30 01/07/02
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On January 07, 2002 at 11:22:18, Robert Basham wrote:
>Extreme Chess takes 15 ply and 42 sec. to find
>1. Rh8+...! but then has trouble playing it out to the end...
>
>(The same kind of problem occurs with Hiarcs7 also)...
>
>[D]qn1rn1k1/2rp2N1/2b1p1K1/4Bp2/p7/1p6/2p5/7R w - -
SpiderChess (amd 1200)
05 00:00:00 - 28.25 H1-A1 C7-C8 G7xE8 D8xE8 E5-D6 B3-B2
00:00:00 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
05 00:00:00 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
06 00:00:00 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
07 00:00:00 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
08 00:00:00 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
09 00:00:02 0.00 G7xE8 C6xH1 E8-F6 G8-H8 F6-E8 H8-G8
00:00:03 Mat 12 H1-H8 G8xH8 G7xE8 H8-G8 E8-F6 G8-H8 F6-G4 H8-G8 G4-H6
G8-F8 E5-D6 F8-E8 H6-G8 D8-C8 G8-F6 E8-D8 G6-F7 C7-B7
F6-E8 C8-C7 D6-E7 D8-C8 E8-D6
I expected the same problems that you experienced with Extreme Chess
and Hiarcs, because my engine doesn't use hash-scores from previous moves.
But the next two moves took approx. 1 second each and the others till
the end came instantly.
Nice testposition.
Martin
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