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Subject: Re: position, trapped rook

Author: Sune Fischer

Date: 11:43:21 06/09/04

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On June 09, 2004 at 06:12:24, Stan Arts wrote:

>Yesterday, in the evening took my tabletop chesscomputer outside for a quick
>game.
>
>This position came on the board.
>
>[D]r4rk1/1Rp3pp/2pq4/p2p1p2/Q1nP4/2P1P3/P4PPP/2B2RK1 w - a6 0 18
>
>Here, it's easy as a human to see I can trap the rook with the knight, and then
>win the quality with my queen if white doesn't move it away first. Is there any
>program that can see that fast as well? Probably by evaluation, (For instance
>something like almost no mobility left and surrounded/paths stopped by opponent
>pieces fairly close by) because by calculation it's very deep and takes a long
>time.
>
>Neurosis does not have such code (yet) and needs depth 12 to see the rook will
>be in trouble after playing Rd1, and then finds Qb3 that probably delays the
>trouble till depth 13 or 14. The other program's I tried, seem to have the same
>trouble and need similair depths.

Qb3 also works I think, because of Qb3 Nb6 Ba3.

-S.



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