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Subject: Re: Looking for "Zugzwang" positions [3 positions]

Author: Roy Eassa

Date: 12:46:20 02/09/02

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On February 09, 2002 at 15:05:15, Kurt Utzinger wrote:

>Hi Alexander
>
>Below some Zugzwang positions [taken from John Nunn's book 'Tactical Endgames'
>
>[D] 5k2/1p1b2p1/2p2PPp/3pQ3/3P4/q1P3K1/8/8 w - - 0 3
>Schiflin-Tschernow, UdSS-ch 1960
>1.Kh4 b6 2.Kh5 b5 3.Kh4 h5 6.Kxh5
>

The first move is correct and necessary.  I think that there are other ways to
win after that, e.g.:

1.Kh4! b6 2.Kh5
   [also winning is 2.fxg7+ Kg8 3.Qf6 Be8 4.Kh5
   ]
2...b5 3.Kh4
   [also winning is 3.Qb8+ Be8 4.fxg7+ Kxg7 5.Qxe8
   ]
   [also winning is 3.fxg7+ Kg8 4.Qf6
   ]
3...h5 4.Kxh5
   [also winning is 4.Qxh5 gxf6 5.Qh8+ Ke7 6.g7 Be6 7.Qf8+ Kd7 8.Qxa3
   ]



>[D] 8/8/8/8/8/3n4/p1k1K3/B7 b - - 0 7
>Stein-Dorfman,UdSSR 1970
>1...Na4 2.Ke2 Kc1 3.Ke1 Nc5 4.Ke2 Kb1 5.Kd1 Nd3 6.Kd2 Nb2
>

There's something wrong with this one, as the moves do not match the diagram.


>[D] 5K2/4P1n1/5k2/6p1/6B1/8/8/8 w - - 0 16
>Lukov-Duriga, Poland 1975
>1.Bf5 g4 2.Bxg4 Kg6 3.Bd7 Kh7 4.Kf7 Kh6 5.Bg4 Kh7 6.Be2 Kh6 7.Bd3



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