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Subject: Re: After......42.....g5

Author: Chessfun

Date: 10:28:29 10/18/00

Go up one level in this thread


On October 18, 2000 at 09:31:37, Enrique Irazoqui wrote:

>
>>Christophe explained that he did not finish to tune gambit's evaluation and I
>>believe that he is going to have better evaluation in the future.
>>I guess that in this case slower time control can also help tiger to avoid
>>49.Rb7 because the score dropped one move after it.
>
>I left Gambit computing this move for almost an hour, and Rb7 was still the
>choice.

Without wishing to drag out the issue as even without Rb7 the games
is likely drawn with best play by both sides. I let gambit run for
2 hours and it chooses RB7 on my machine only upto 45 seconds.

; 00:00:00.1  6.   Score: 3.92   depth: 7 Qf8+ Kh5 Rb7 Nxe3 fxe3 Re5 b4 Rd5 Qf7+
Kg4
; 00:00:00.1  6.   Score: 4.06   depth: 8 Qf8+ Kh5 Rf7 Nxe3 fxe3 g4 g3 b4 Qg8
Kh6
; 00:00:02.3  6.   Score: 4.04   depth: 9 Qf8+ Kh5 Rf7 Nxe3 fxe3 Qg6 b4 Rc6 Rb7
Kh4 Rg7
; 00:00:10.5  6.   Score: 4.16   depth: 10 Qf8+ Kh5 Ra7 Nxe3 fxe3 g4 g3 Qg6 b4
Rc6 Qe7 Kh6
; 00:00:21.8  6.   Score: 4.00   depth: 11 Qf8+ Kh5 Rf7 Nxe3 fxe3 g4 Qg8 Kh6 b4
g3 Qg7+ Kh5 Qxg3
; 00:00:31.1  6.   Score: 4.10   depth: 11 Rb7 Nxe3 Qf8+ Kh5 fxe3 Re5 Qh8 Kh6
Rf7 Re6 b4
; 00:00:41.4  6.   Score: 3.28   depth: 12 Rb7 Nxe3 Qf8+ Kh5 fxe3 Re5 Qh8 h6 b4
Rd5 Qe8+ Kg4 Qe7 Rd1+ Kh2
; 00:00:54.4  6.   Score: 3.82   depth: 12 Qf8+ Kh5 Rf7 Nxe3 fxe3 Qg6 Ra7 g4 Ra8
Qf5 g3 Qe5 Qf7+ Kh6 Kf1
; 00:05:05.3  6.   Score: 4.10   depth: 13 Qf8+ Kh5 Rb7 Nxe3 fxe3 g4 Qg8 h6 g3
Qe5 Kf1 Rc6 Ra7 Qf5+ Kg1 Qe5
; 00:07:54.7  6.   Score: 3.38   depth: 14 Qf8+ Kh5 Ra7 Nxe3 fxe3 Qg6 Qc8 f5 b4
Kg4 Kf2 h5 Qd7 f4 exf4 Kxf4 g3+ Ke5
; 00:37:04.7  6.   Score: 3.58   depth: 15 Qf8+ Kh5 Ra7 Nxe3 fxe3 Qg6 Qc8 f5 Kf2
h6 b4 Qf6 Qg8 f4 Kg1 fxe3 Rg7
; 01:23:50.4  6.   Score: 3.38   depth: 16 Qf8+ Kh5 Ra7 Nxe3 fxe3 Re5 Qh8 h6 Rh7
Qg6 c6 Rc5 c7 Rc1+ Kh2 g4 g3 Rc2+ Kg1 Rc1+
; 02:01:52.4  6.   Score: 3.38   depth: 16 Qf8+ Kh5 Ra7 Nxe3 fxe3 Re5 Qh8 h6 Rh7
Qg6 c6 Rc5 c7 Rc1+ Kh2 g4 g3 Rc2+ Kg1 Rc1+

; Analysis completed

Sarah.



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