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Subject: Re: A pair of draws.

Author: Roy Eassa

Date: 09:39:51 07/30/02

Go up one level in this thread


On July 29, 2002 at 13:27:49, Kolss wrote:

>On July 28, 2002 at 00:40:23, Slater Wold wrote:
>
>>[D]8/8/8/7n/8/7N/3kp1K1/5n2 w - - 0 1
>>
>>Nf1 to draw.  Sure you find Nf1, but do you see the draw?
>
>Ikarus (K6/2-475MHz, 8MB Hash, with TB) needs 1 second to find Ng1, 6 seconds to
>say it is drawn.
>
>>[D]8/4kP2/6P1/8/3rB1r1/2P3P1/6PK/8 w - - 0 1
>>
>>Bf5 to draw.  And Bf3 does _not_ work.
>
>Here Ikarus, after failing low on cxd4 in ply 12, switches to Bf5 after 19
>seconds, with score 0.00. However, I as well as Ikarus do not see how black can
>win after Bf3 (the score is also 0.00). Could you please give me the winning
>line?
>
>Best regards, Munjong.


Here's what I get, playing around with Fritz & Shredder:

1.Bf5!!

   [1.Bf3 Ra4 2.Bd1 Kf8! 3.Kh3 Ra1! 4.Kxg4 Rxd1 5.Kf5 Rd5+ 6.Ke6 Rc5 -+]

   [1.cxd4? Rxe4 2.d5 Kf8 -+]

1...Rg5

   [1...Rc4 2.Be6 Ra4 3.Bd7 Rae4 4.Bf5 Rc4 5.Be6 Kf8 6.Kh3 =]

   [1...Ra4 2.Bd7 Rge4 3.Bc6 Kf8 4.Kh3 =]

2.g7! Rh5+ 3.Bh3 Kxf7 4.cxd4 Kxg7 5.Kg1 Rd5 6.Kf2 Rxd4 7.Ke3 =



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