Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Probably, Nxg6 is not the best move.

Author: Terry McCracken

Date: 20:19:39 03/05/02

Go up one level in this thread


On March 05, 2002 at 15:27:58, Dann Corbit wrote:

>On March 05, 2002 at 13:35:06, Uri Blass wrote:
>
>>On March 05, 2002 at 11:43:35, Dann Corbit wrote:
>>
>>>On March 04, 2002 at 17:43:29, Albert Silver wrote:
>>>
>>>>The following position occurred in Spassky-Beliavsky, Reykjavik, 1988
>>>>
>>>>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!?
>>
>>
>>This defence was discussed by albert silver and by me
>>
>>25.Nxg6 hxg6 26.Qh6 Be6 27.Rd3 f5
>>28.Rg3 Rf6 29.Rh3 Kf7 30.Qh7+ Kf8 31.exf5 Bxb3 32.axb3
>>seems to be decisive for white
>>
>>Yace proved 1.20 pawns for white in the root position for Nxg6 based on some
>>analysis that is based mainly on this line.
>
>The two lines (first the yace line, then the crafty 1 hr analysis:)
>W    B    W   B   W   B  W
>Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rg3 Rf6 Rh3  Kf7 Qh7+ Kf8 exf5 Bxb3 axb3 c0 "seems to
>be decisive for white";
>Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rh3 Kf7 Qh7+ Kf6 Qh4+ Kg7 Bxe6 Qxe6 exf5 Qg8 Qh6+ Kf6
>fxg6 Ke6 Rd3 Qh8 Qd2 Kf6
>
>Agree out to Rg3 verses Rh3.  So I went to Rg3 and analyzed what would happen
>there:
>[D]4qrk1/8/pBn1b1pQ/1p2pp2/4P3/bBP3R1/P4PPP/6K1 b - - acd 14; acn 546692901; acs
>1001; c0 "after Nxg6 hxg6 Qh6 Be6 Rd3 f5 Rg3"; ce 82; pv Rf6 Rh3 Kf7 Bd5 Ke7 c4
>Bb4 Qg7+ Qf7 Qh8 Qf8 Bxc6 Qxh8 Rxh8 Bxc4;
>
>I remain unconvinced that this line is better.

Really? Without the use of a computer and bieng a bit of a tactician, and
looking over the evidence by computers as well, I feel confident Nxg6!! is
without a doubt the strongest continuation.

I'm confident I could win with White after the tactical shot Nxg6!! against
anyone!:o)

Terry



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.