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Subject: Re: White improves with 36.Bxe5! Bxe5!! 0 - 1 ;)

Author: Uri Blass

Date: 23:17:09 09/10/01

Go up one level in this thread


On September 10, 2001 at 21:27:02, Dave Gomboc wrote:

>On September 10, 2001 at 05:56:21, Uri Blass wrote:
>
>>On September 10, 2001 at 05:02:43, Gian-Carlo Pascutto wrote:
>>
>>>On September 10, 2001 at 00:48:34, Dave Gomboc wrote:
>>>
>>>>>>>>>>32.Bg5 Bg7 33.Bf4 c4 34.Re2 Bd7 35.Rd1 Bb5 36.Ree1 Bxa4 37.bxa4 Rb2
>>>>>>>>>>38.Rd2 Rxa2 39.Bxf5
>>>
>>>>>>Black has better earlier on:
>>>>>>
>>>>>>Instead of 36. .. Bxa4 first 36. .. Nd3!
>>>>
>>>>It looks like White also has better earlier on:
>>>>
>>>>36.Bxe5! Nxe5
>>>
>>>Bxe5 captures the knight, so Nxe5 is obviously impossible. I think
>>>you are looking at the wrong line...
>>>
>>>36.Bxe5 Bxe5 is a straight win for black
>>
>>Dave meant 36.Bxe5 Bxe5 and it is not clear
>>
>>Here is again the relevant analysis(I added * to singular moves of black that is
>>before move 39 and I am going to look at this position more today because I have
>>other things to do)
>>
>>Thanks to dave Gomboc for doing the job.
>>I did not look at most of the analysis for 37...Bxh2+
>>
>>36.Bxe5! Bxe5* 37.Nc5! Bxh2+ 38.Kxh2 dxc5* 39.a4 Bc6* 40.Rd6 cxb3 41.Bd3 b2
>>42.Re1 b1Q 43.Rxb1 Rxb1 44.Bxb1 is unclear, while after 40.Re6 Kf7 41.Rde1 cxb3
>>42.Bd3 Bb5 43.axb5 Rxe6 44.Bc4 Rbb6 45.Bxb3 White should be able to hold the
>>rook ending.  Meanwhile, 40.Re6 Kf7 41.Rde1 Rxd7 42.b4 cxb4 43.cxb4 Rb7 44.Bd1
>>Rxb4 45.Bf3 Bxf3 46.Rxa6 Rb2 is wild!, I'll let someone with a faster machine
>>handle that variation (there may be good deviations for either side along the
>>way too).  If something refutes this line, it's probably this.
>>
>>This leaves 36.Bxe5! Bxe5* 37.Nc5! dxc5 38.Rxe5 Rxa2* 39.bxc4 Bxc4 40.Rxc5 which
>>looks like White should be able to grovel a draw here too.
>>
>>39...Bc6 40.Rxc5 Bxg2 may be an improvement for black and I did not check this
>>line
>>
>>Uri
>
>I think more of the moves are singular than you are giving credit for.  For
>instance, 38.Kxh2 is an obvious case (though perhaps you were counting that as a
>normal recapture-extension).

I count only black moves and I did not count moves after move 39.

Uri



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