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Subject: Re: Rook ending Test 1

Author: Peter McKenzie

Date: 15:39:10 08/25/02

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On August 25, 2002 at 17:36:10, Uri Blass wrote:

>On August 25, 2002 at 17:22:27, Peter McKenzie wrote:
>
>>On August 24, 2002 at 16:32:56, Sune Larsson wrote:
>>
>>>On August 23, 2002 at 14:32:31, Peter McKenzie wrote:
>>>
>>>>Warp stays with Rxe3, but shows a5 as next move for black which apparently draws
>>>>according to Uri's latest analysis.  a5 was in PV from 3 seconds onwards.
>>>>
>>>>Peter
>>>
>>> Maybe it's a better test position to put the c7-pawn on c6.
>>> Then Rxe3 loses outright.
>>
>>Actually I think Rxe3 still draws there.  Black should not play a5 and he is ok,
>>it is important for black to keep a tempo move (a5) in hand.  And if white plays
>>a5, black can play b5.
>
>White can win in a similiar way to the game.
>
>1...Rxe3 2.Kxe3 Ke7 3.Kf3 Kf7 4.Kg3 Ke7 5.Kh3 Kf7 6.Kh4 Ke7 7.f5 gxf5 9.g6 and
>now I can expect your engine to see a winning advantage for white.

Oh, good point, looks like I underestimated the subtety of the position.
That'll teach me for rushing out a post in the morning before work!

I don't have chess software handy but I see 9.g6 Kf6 10. Kh5 is the point since
10...f4 11.Kh6 and white eventually plays Qf8+ picking up the black queen on f1,
cool :-).

>
>Uri



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