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Subject: Re: Pawn Promotion and Queen Sacrifice Test

Author: m.d.hurd

Date: 07:59:08 02/13/05

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On February 13, 2005 at 07:48:18, Rob Basham wrote:

>[D]8/1p2pk2/5p1P/4p2K/4P1P1/P4P2/1P5R/6r1 w - - 0 1
>
>Hey SteveB....Good test for portable units too...
>
>It takes Novag Amber 2 min. and 33 sec. to find ...1. h7...!
>
>If ....Kg7,
>
>2. h8(Q)+ wins!,
>
>My old WChess missed this one....:-)
>
>Polgar also missed this even after 10 minutes!
>
>Super VIP Novag takes  over 3 min. to find ...h7...etc.
>
>Fidelity Excellence takes over 4 minutes.
>
>Mach3 finds it in 15 sec....!

FEN: 8/1p2pk2/5p1P/4p2K/4P1P1/P4P2/1P5R/6r1 w - -
Search for Mate in 25 ...  (Hash=256MB)
 10.01	 3:05 	  +M10	2.h7 345
Search completed ...  (Time=501.09s)
Mate in 10 found !  (1 Solution in 08:21)
 10/10	 8:21 	  +M10	2.h7 Rf1 3.h8Q Rd1 4.Qh7+ Ke6 5.Qg8+ Kd7 6.Rc2 Rh1+ 7.Kg6
Rh6+ 8.Kxh6 e6 9.Qc8+ Ke7 10.Qxb7+ Ke8 11.Rc8+ 332
best move: h6-h7 time: 8:28.969 min  n/s: 332.757  nodes: 166.742.583


Mike



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