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Subject: Re: Revised ECM Test Suite (update)

Author: Uri Blass

Date: 13:13:01 07/20/04

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On July 20, 2004 at 16:07:54, Anthony Cozzie wrote:

>On July 20, 2004 at 15:24:34, Vincent Lejeune wrote:
>
>>On July 20, 2004 at 15:17:43, Vincent Lejeune wrote:
>>
>>>I can run shredder 8 on one or more position for the next 5 days on a centrino
>>>1.7, please, let me know the more interresting/schemer positions !
>>>
>>>
>>>On July 20, 2004 at 11:36:05, Omid David Tabibi wrote:
>>>
>>>>http://www.cs.biu.ac.il/~davoudo/pubs/ecmx.epd
>>>>
>>>>Remaining positions that are still unclear (the winning line is not clear):
>>>>
>>>>r3r1k1/pp3ppp/1qp5/2bbNQ2/5B2/2P5/PP3PPP/3RR1K1 w - - bm Rxd5; id "ECM.349";
>>>>r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q - bm Nxe4; id
>>>>"ECM.561";
>>>>8/p5k1/2p2p2/4p1p1/1p2P3/1P4PP/1PP5/5K2 b - - bm g4; id "ECM.601";
>>>>4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - - bm Qe6; id "ECM.624";
>>>>Isn't 1.Rc2 at least as good as Qe6?
>>>>r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - - bm Bxh7+; id
>>>>"ECM.677";
>>>>2k3r1/ppq2p1p/n1Pb1p2/8/6r1/4BN1b/PPQ2PPP/R3RBK1 b - - bm Bxh2+; id "ECM.698";
>>>>5rk1/5rp1/p2qb3/R2Np2Q/3bP2B/7P/P5PK/1R6 b - - bm Rf1; id "ECM.856";
>>>>3r1rk1/p3q1pp/2Rb4/3P4/8/1P2Qp2/PB3PPP/3R2K1 b - - bm Bxh2+; id "ECM.858";
>>>>8/2q1np1k/6p1/1PPn3p/8/P2Q3P/6P1/2R4K b - - bm Nf5; id "ECM.864";
>>>>7R/1p1r4/2b2p2/2Pp1qk1/3P1bp1/3N4/2Q2PB1/6K1 w - - bm Rg8+; id "ECM.866";
>>>>r6r/1pn1b1k1/2p1pq2/2Pp3p/p2P1Pp1/P2BP1P1/1P2QB2/3R2KR w - - bm Rxh5; id
>>>>"ECM.867";
>>
>>
>>I'm planning 12h on this position with the 2 best moves
>>
>>[d]4r2k/3n1Qpp/1pRP1p2/p4P2/1p1P2P1/6rP/P3q1B1/6RK w - -
>>bm Qe6; id "ECM.624"; Isn't 1.Rc2 at least as good as Qe6?
>
>Just off the top of my head, I think Rc2 Qe3 Qxd7 Rxh3! Bxh3 Qxh3 Rh2 is a
>perpetual (never trust carbon analysis, of course).
>
>anthony

Rc2 Qe3 Kh2 is the right line

Uri



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