Author: Uri Blass
Date: 16:38:42 11/09/00
Go up one level in this thread
On November 09, 2000 at 18:33:05, Robert Hyatt wrote:
<snipped>
>OK... Here is a good point for discussion. My evaluation at this point
>is somewhere between -.2 and -1.0, depending on how deep you let it
>search. Here is the position:
>
>[D]2rr2k1/1p1b2p1/p3p2n/2Bp3B/1P3P1Q/PP5R/1q5P/4R2K b
>
>It is black to move. White has the rook and queen doubled on the h file.
>Black has the h-file blocked with the knight on h6. White has no way to
>drive the knight off, and no easy way to capture the knight with some sort
>of trade. IE the h-file is not going to be used for an attack very easily.
>
>Do you (or anybody) think that white is really up the equivalent of one
>piece (+3.42) here?
I think that the last move Kh1 was a mistake and better was Qe7 and white is
winning for example Qe7 e5 Rg3 exf4 Rg2 Qc3 Rd1
Tiger13 is stronger and has no problem to find Qe7 but gambittiger prefers
speculation of 3 pawns and not winning material.
Gambittiger did not like Qe7 because of Qf6 and white wins only the excange that
is not enough for 3 pawns.
<snipped>
>>70...Ne8 71.Rxc6 { Score: 0,96
>
>Prior to this point, I would have expected a draw. two pieces for a rook
>is generally an advantage. I would not expect to lose such a position very
>often since the two pieces are generally much stronger. This "bad trade"
>score has been influencing the scores crafty produces for quite a while in
>the game. It is one of those 'speculative' type scores that just happens to
>be wrong here, but it is right far more often than it is wrong.
Gambittiger also expected a draw(evaluation +0.24 before Ne8) and I think that
the mistake of crafty was 70...Ne8 and I guess that after 70...Nd5
Uri
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