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Subject: Re: Would Gambit Tiger get itself into such a position?

Author: Uri Blass

Date: 19:54:34 10/29/00

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On October 29, 2000 at 22:05:58, Uri Blass wrote:

>On October 29, 2000 at 21:18:53, Eelco de Groot wrote:
>
>>On October 28, 2000 at 18:35:32, Uri Blass wrote:
>>
>>>On October 28, 2000 at 17:59:23, Timothy J. Frohlick wrote:
>>>
>>>>GT did consider Bb7 for about one minute after 7 minutes of thinking on my PII
>>>>333 with 28 Mb hash.  The analysis was similar to Sarahs' afterward.  The score
>>>>did remain negative for black however.
>>>>
>>>>GT would never "under-develope" to the extent that black did.  The game is a
>>>>draw even with material superiority due to the horrible back rank situation. At
>>>>least GT tells us how "not" to play.
>>>>
>>>>
>>>>Tim Frohlick
>>>
>>>I posted the game.
>>>I do not know if gambit would get itself to the position that I posted(I think
>>>that bxc5 was too greedy and Ba6 was better but I did not analyze the game for a
>>>long time and I may be wrong).
>>>
>>>You can try to see if there is a move in the game that gambit does not like.
>>>
>>>I see that gambit understands the position better than other programs(it can at
>>>least see that f6 has negative score)
>>>
>>>It cannot see that Bb7 is good enough for black to draw but I am not sure if Bb7
>>>is really good enough for a draw(I only know that it was probably good enough
>>>for moshe to draw and it is possible that gambit can improve the opponent's
>>>moves after Bb7)
>>>
>>>Uri
>>
>>Hi Uri,
>>
>>Maybe Tim is right and the game should be a draw. What I would like to see is a
>>good winning line for White after 14. .. f7-f6 or 14. ..f7-f5, that could tell
>>us more.
>
>Here is a winning line after 14...f5
>
>15.Bh6 f4 16.Ng5 Nb6 17.Bxg7 Kxg7 18.Rh7+ Kg8 19.Ke2
>
>
>I did not see a clear winning line after 14...f6 but I guess that I did not
>analyze deep enough and unfortunately moshe did not save all the analysis that
>he did but he is convinced that 14...f6 is losing.
>
>I see that I do not like black's position after 14...f6 because black has
>problems to develop the pieces and white has interesting options after 15.Bh6
>Qe7 16.Bxg7 Kxg7

I think that the main line here continues
17.Qh6+ Kf7 18.Nh4 Rg8 19.Qh7+Rg7 20.Nxg6 Rxh7 21.Rxh7+ Kxg6 22.Rxe7 cxd4
23.Bd3+ Kg5 24.Be4 c6 25.g3 fxe5 26.Rxe6 Nf6 27.Rxe5+ Kh6 28.Rc1 when white is
probably winning after 28...Nxe4 29.Rxe4 or 28...Bb7 29.Re7 Nxe4 30.Rxe4

This is one of the lines that moshe saved.

I am not sure if this is the correct winning line because moshe saved also other
interesting options for white and we need to check if black has not better
alternatives(I am sure that he checked it but unfortunately he did not save it).

Uri



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