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Subject: Re: Hard ECM position

Author: Dann Corbit

Date: 14:12:35 06/21/01

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On June 21, 2001 at 17:07:17, Janos Keinrath wrote:
>I've checked the ECM testsuite with my program and found the following,
>interesting position (ECM.300).
>
>[D] 8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - -
>
>The solution in the book is right:
>
>1. Kxd5! Nxg3 2.a6 Bb6 3.a4 Ne2 4.a5 Bb1 5.a7!! Bxa7
>6. Nxa7 Nxf4+ 7.Kd6! +-
>
>Any program find the solution in a reasonale time (less than 5 Min)?

The CAP record has a different result:

8/2b2k1p/2N2pp1/P2p4/3KnP2/6BP/P5P1/8 w - - acd 13; acn 131550538; bm Kxd5; ce
264; id "ECM.300"; pm Bh2; pv Bh2 Ke6 f5+ Kd7 Nb8+ Kd8 Bxc7+ Kxc7 fxg6 hxg6 Na6+
Kd6 Nb4 Nc5 Nxd5 f5 Kc4 g5 a3;

What does your program choose, and what is the score?



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