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Subject: Re: Challenge position for engines! (Lots of luck)

Author: Ed Schröder

Date: 15:16:12 03/04/02

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On March 04, 2002 at 17:43:29, Albert Silver wrote:

>The following position occurred in Spassky-Beliavsky, Reykjavik, 1988
>
>[D]2b1qrk1/5p1p/pBn3p1/1p2p3/4P2N/bBP1Q3/P4PPP/3R2K1 w - -
>
>Spassky found a tremendous move 25.Nxg6!! and won the game. I don't think any
>engines will have much luck with it but feel free to try it. I've analyzed it in
>detail and can verify that it is the strongest move and correct, so as a further
>challenge, see if you can find the *strongest* continuation after the possible
>defense: 25...hxg6 26.Qh6 Be6!?
>
>                                          Albert


It's dangerous to make such strong statements :-)

Rebel Century 4 [WB] -> 18 seconds.

Ed

====================================================

00:00:05.6	0,91	10	2582458	Qh6 Be6 Rd3 Qe7 Nf5 Qf6 Rf3 Re8
00:00:14.1	1,05	11	9000514	Qh6 Qe7 Nf3 Qf6 Bd5 Ne7 Bc7 Qg7
00:00:18.8	1,05	11	12160729	Nxg6
00:00:19.1	1,54	11	12844551	Nxg6 hxg6 Qh6 Be6 Rd3 Bc1 Qxc1 Bc4
00:00:21.5	1,44	12	14090708	Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rh3
00:00:31.6	1,44	13	22011373	Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rh3
00:01:08.6	1,44	14	50691399	Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rh3
00:02:36.0	1,56	15	118533534	Nxg6 hxg6 Qh6 Be6 Rd3 Bc1 Qxc1 Bxb3
00:06:24.5	1,58	16	297632898	Nxg6 hxg6 Qh6 Be6 Rd3 Bc1 Qxc1 Bxb3

Athlon 1400, 60 Mb for hash tables.





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