Author: Albert Silver
Date: 18:17:41 03/04/02
Go up one level in this thread
On March 04, 2002 at 18:16:12, Ed Schröder wrote:
>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
Fantastic result, Ed! As Slater pointed out (saving me face just a tad :-) )
other engines aren't quite as successful. The defensive move Bc1 is interesting
too, and the only move I had analyzed was f5. In a sense Bc1 is possibly the
most efficient defense as it doesn't allow the mega (losing) complications that
ensue after f5. It's a position that's great fun to analyze oneself (if you have
the courage) which is why I threw down the gauntlet that way. BTW, Rh3 isn't the
strongest follow-up to f5. ;-)
Albert
>
>====================================================
>
>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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