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Subject: Re: An amazing checkmate. Can your program find it?

Author: Enrique Irazoqui

Date: 12:57:55 12/22/99

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On December 22, 1999 at 14:10:56, Dann Corbit wrote:

>Have a look at this tremendous checkmate Chest found from the famous 1924 New
>York Chess Club championship:
>2r3k1/5ppp/7r/Q7/3P1p2/1N3Pnq/PP3K1P/R5R1 b - - acd 10; acn 535351375; acs
>15279; bm Ne4+; ce 32750; dm 9; id "C.A.P. 812153"; pv Ne4+ fxe4 Qe3+ Kf1 Rxh2
>Rxg7+ Kxg7 Qe5+ f6 Qe7+ Kg6 Qxf6+ Kxf6 e5+ Kg6 e6 Qf2#;
>
>I will be amazed if any general purpose program (or even most GM's) can find it.

Rebel Tiger on a PII-300 with 64 MB hashtables picks Ne4+ at ply 10 after 66
seconds. Still at ply 10 and after 187'' it sees mate in 20. Amazed? :)

Enrique




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