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Subject: Re: Endgame evaluation

Author: Richard Pijl

Date: 16:00:39 12/14/03

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On December 14, 2003 at 18:33:49, Anthony Cozzie wrote:

>On December 14, 2003 at 15:18:46, Richard Pijl wrote:
>
>>In a very recent game between Baron and Amateur (time control 45 10) on ICC, the
>>following position occurred:
>>
>>[D]7k/2B2pp1/2n1b3/P2p2Pp/2p4n/4NP2/5K2/5B2 w - - 0 55
>>
>>White is two pawns down, both passers. As compensation, White has a pair of
>>bishops. Understandably, Amateur showed a big plus score (+3.4), however The
>>Baron thought is was almost drawn (-0.34). What do your engines think about
>>this?
>>
>>The game ended in a draw after many more moves.
>>Richard
>
>Zappa prefers black:
>
>1. a6 Kh7 2. Bb8 Kg6 3. f4 Nf5 4. a7 Nxa7 5. Bxa7 h4 6. Nxf5 Kxf5 7. Ke3 f6
> = (-1.34)      Depth: 14/31    00:01:16.17     32035kN
>

I get the impression that this line is a draw line.
Zappa sac's the knight at a7, let the remaining knight be exchanged. Black would
have 3 pawns (all passers) against a bishop + the bishop pair advantage.
But the connected passers are blocked by the king, no way to advance there
without the assistance of the black king, and the h-pawn cannot advance without
king assistance either.

But it's good to see that also other engines see a significant 'compensation'
for white for the two pawns, despite the connected passers.

After seeing other engine's analysis, and a session with Dieter "Yace" Bürßner
I'm starting to believe this is a drawn position.

Richard.

>anthony



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