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Subject: Re: Mate in ?

Author: Heiner Marxen

Date: 10:00:57 11/11/01

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On November 11, 2001 at 11:35:52, Sune Larsson wrote:

>
> [D]5Q2/1qr4p/2p2pp1/6k1/2B5/4PP2/5PKP/8 w - - 0 42
>
>
> This is a position from a German forum.
>
> Gambit Tiger shows mate 8 in about 1 sec ("immediately")
> Fritz7NoMMX  shows mate 9 in about 1 sec ("immediately")
> Fritz7       shows mate 13 after some minutes thought.
>
> Interesting but somewhat queer.    (P III 800.)
>
> Sune

According to Chest this is a mate in 8, with unique key move 1.f4+:

PV: f4+ Kf5 Qd6 Re7 Bd3+ Re4 f3 c5 Bxe4+ Qxe4 Qd7+ Qe6 Qd3+ Qe4 Qxe4#

(K6-2/400, 42 MB hash, 8.1 minutes)

Cheers,
Heiner

• Re: Mate in ? Sune Larsson 10:12:45 11/11/01
  • Re: Mate in ? Gian-Carlo Pascutto 11:16:55 11/11/01
    • Re: Mate in ? Sune Larsson 11:53:26 11/11/01
      • Re: Mate in ? Uri Blass 12:33:54 11/11/01
        • Re: Mate in ? Sune Larsson 12:51:55 11/11/01
          • Re: Mate in ? Uri Blass 13:19:26 11/11/01

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