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

Author: Chessfun

Date: 10:41:05 10/18/00

Go up one level in this thread


On October 18, 2000 at 13:35:25, Enrique Irazoqui wrote:

>On October 18, 2000 at 13:28:29, Chessfun wrote:
>
>>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.
>
>I guess Gambit was analyzing the game before this move and had all sort of stuff
>stored in hashtables. If you load Gambit and start computing the 49th move it
>will play Rb7. At least it does in the 3 machines I tried.
>
>Enrique



I'll try that as all I did was load the position after 42....g5
without the Qh5+ and back to d1 which was when I posted the first
on 42....g5.

Sarah.



>>; 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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