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Subject: Re: Too hard for my engine, how about yours?

Author: Gerd Isenberg

Date: 11:13:41 11/04/02

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On November 04, 2002 at 07:34:29, Sune Fischer wrote:

>Going through the november issue of "Skakbladet", the chess magasin here in
>Denmark, I found a few positions with some very deep moves, much too deep for
>frenzee.
>
>Granted some of the positions are won even with the second best move, but for
>the sake of beauty find the best move! :)
>

Hi Sune,

IsiChessMMX results with amd xp2.1+ 256MB Hash:

>[D]r1r3k1/1pq1bppp/3pbn2/p3p3/P3P1PP/nNN2P2/KPP2Q2/2BR1B1R b - - 0 1 bm b5;
>Motylev-Gelfand, Russia-World 2002

b5 found immediatly at depth 3. Increasing score from +24cp to +68cp at depth 6.
FH at 11/20 with +114cp after 1:27.

>[D]3r4/ppp4p/1bp1k3/4pp2/8/BPP5/P2NKprP/R4R2 b - - 0 1 bm Rxd2; Gufeld-Kavalek,
>OL 1962 (Kavalek's best game ever)

not found in 5 minutes. Likes e4 with rather high score up to +380cp.

>[D]2bq3k/2p4p/p1np4/7P/2BPPQp1/2p2P2/r7/2KR2R1 b - - 0 1 bm Ra3; Bagirov-Gufeld
>1973, (Gufeld: maybe my best move ever)

found after 1 second at depth 7/11, score +240cp.
FHs after 0:17 and 0:54 with 308 resp. 369cp

>[D]2bq3k/2p4p/p2p4/7P/1nBPPQP1/r1p5/8/1K1R2R1 b - - 0 1 bm Be6, am c2;
>Bagirov-Gufeld 1973

This position is also member (13) of the BT2630 testsuite.

1:26 for Be6 with Be6 Bxe6 Nd3 +47cp
FH after 1:40 +105cp and 1:52 with +163cp
finally after 5:07 531cp with the line
1...Bb6 2.Qc1 c2+ 3.Kb2 Bxe4 4.Kxa3 c5 5.Kb2 Qb6 6.Kc3 cxd1Q 7.Qxd1 Nd5+
8.Kxc4 Ne3+ 9.Kd3 Nxd1

Regards,
Gerd
>
>-S.



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