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Subject: Re: Mate in 9....?

Author: Heiner Marxen

Date: 07:31:56 04/04/02

Go up one level in this thread


On April 03, 2002 at 18:02:12, Art Basham wrote:

>In about 60 sec. my Junior5 ann. mate in 9 with
>
> 1. Nf4!
>
>[D]8/8/1B3p2/1B2k2N/7N/4K3/8/8 w - -
>
>maybe your results will be different...
>of course, there could be more than one solution to this one...

Actually, (according to Chest) this is a mate-in-8 with 10 solutions:

PV: Nf3+ Kd5 Nd4 f5 Nf6+ Ke5 Ne8 f4+ Kd3 f3 Bc7+ Kd5 Bd6 f2 Bc4#
PV: Ng6+ Kf5 Ngf4 Kg5 Bd8 Kh6 Bxf6 Kh7 Ne6 Kh6 Be8 Kh7 Bg7 Kg8 Nf6#
PV: Bd4+ Ke6 Nf4+ Kd6 Nf5+ Kc7 Nd5+ Kb7 Nb4 Kc7 Na6+ Kb7 Nd6+ Ka8 Bc6#
PV: Nf4 f5 Nfg6+ Kd5 Kf4 Ke6 Ne5 Ke7 Nxf5+ Kf8 Bc4 Ke8 Bf7+ Kf8 Bc5#
PV: Ng7 f5 Ngxf5 Kd5 Nf3 Ke6 Ke4 Kf7 Ng5+ Kf8 Bc5+ Kg8 Bc4+ Kh8 Bd4#
PV: Ba5 Kd5 Bb4 Ke6 Be8 Kd5 Kd3 Ke6 Bf8 f5 Ng6 f4 Ke4 f3 Ngf4#
PV: Bc5 Kd5 Bf8 Ke6 Be8 Kd5 Kd3 Ke6 Bb4 f5 Ng6 f4 Ke4 f3 Ngf4#
PV: Be8 f5 Nf4 Kf6 Bc5 Kg7 Nh5+ Kh7 Bf8 f4+ Kf3 Kh8 Ng6+ Kg8 Nf6#
PV: Kf3 f5 Ng6+ Kd5 Ng7 f4 Nxf4+ Ke5 Ne8 Kf5 Bd8 Ke5 Bf6+ Kf5 Bd3#
PV: Kd3 Kd5 Nf4+ Kd6 Kd4 Ke7 Nf5+ Kf7 Bc4+ Kf8 Nh5 Ke8 Nxf6+ Kf8 Bc5#

(9.4 minutes, Athlon 1500+, 128 MB hash)

Cheers,
Heiner



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