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Subject: Re: 2 Interesting Positions

Author: Jeremiah Penery

Date: 06:16:40 11/22/99

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On November 22, 1999 at 03:11:18, Peter McKenzie wrote:

>Position 2
>This one happened in a blitz game Ferret-LambChop on ICC:
>
>2r1r2k/1p1q1ppp/pn1p1b2/nNp2b2/2PP4/PP2BN2/Q3BPPP/2R1R1K1 w - - 0 18
>
>Ferret played the crushing Nxd6 which works because white has not one but two
>pawn forks coming up.  The main line being:
>Nxd6 Qxd6 dxc5 Rxc5 Bxc5 Qxc5 b4, a 7ply line.  But of course, the normal
>horizon effect kicks in so LambChop will then think Rxe2 Qxe2 helps before
>'realising' the pawn fork is still there.
>
>So Lambchop needs 9ply, and around 2min and 1.2M nodes on my P133 to see this
>little combination.  A bit slow for my liking!  How does your favourite program
>do??

After 1. Nxd6 Qxd6 2. dxc5, what about 2. ...Qe6?  It still looks like a losing
position, but maybe less bad than Rxc5?

What about the line: 1. Nxd6 Nxb3 2. Qxb3 Qxd6 3. dxc5 Rxc5 4. Bxc5 (4. Bd3 Rxe3
5. Rxe3) Qxc5?  Is this less bad, or am I missing something?

Jeremiah



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