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Subject: Re: Ruffian game position

Author: Slobodan R. Stojanovic

Date: 12:39:21 05/08/03

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On May 08, 2003 at 14:28:38, Jon Dart wrote:

>From a test game, Ruffian-Arasan. Ruffian played d6 here:
>
>[D] 3q4/k4pp1/1pB3bp/p2PQ3/6P1/8/5P1P/6K1 w - -
>
>Arasan followed up with f6, but lost after Qe6 a4 d7 a3 Qb3 a2.
>
>Question: does your engine play d6, above?
--------------------------------------------

Many engines plays f6, but white already had wining position before d6 move. So,
the losing move had happened before f6. Send me the game for a more exact
analysis.

Sl.
---------------------------------------------
And how long does it take to see that
>f 6 is losing in this position:
>
>[D] 3q4/k4pp1/1pBP2bp/p3Q3/6P1/8/5P1P/6K1 b - -
>
>FYI Crafty 19.2 doesn't select d6 even after 10 minutes. On the 2nd position it
>fails low at ply 14 (33 seconds on a Xeon 1.7GHz). Pharaon on the other hand
>seems to get a big - score right away after f6.
>
>--Jon



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