Author: Dieter Buerssner
Date: 12:41:18 03/29/02
Go up one level in this thread
On March 29, 2002 at 15:24:52, Rafael Andrist wrote:
>On March 29, 2002 at 14:25:36, Dan Wulff wrote:
>
>>Hi People!
>>
>>[D]8/1k6/p4p2/2p2P2/p1P2P2/2P5/P1K5/8 w - -
>>
>>This is CCE position 765. The correct move is Kc1.
>
>This position was composed by M.Sinar in 1983. I found it in Averbakhs "Pawn
>Endings", where it is position #1983.
>
>The solution according to Sinar is:
>1.Kc1! Kc7 2.Kd1! Kd7 3.Ke1 Kc7 4.Kf2 Kd8 5.Ke2 Ke8 6.Kd3 Kd7 7.Ke3 Kd6 8.Ke4
>(forcing a pawn move) a3 9.Kd3 a5 10.Kc2! a4
After 4.Kf2, Yace shows immediately draw score, and I think it is correct. It is
even quite nice: black stalemates himself, and I believe, it is unavoidable:
106595 1.208 0.00 19t 4...a3 5. Ke2 Kb6 6. Kd3 Ka5 7. Ke4 Ka4 8. Kd5
a5 9. Kxc5 {-160}
Regards,
Dieter
>Now the position is blocked up completely:
>[D]8/8/3k1p2/2p2P2/p1P2P2/p1P5/P1K5/8 w - - 0 11
>
>This one is now won for sure
>
>11.Kd2! Kc7 12.Kd3 Kc6 13.Ke2 Kd6 14.Kf2 Kd7 15.Ke3 Ke7 16.Kf3 +-
>
>Please note that Sinar composition are not always correct, I've discovered
>errors in other ones, so I'm sceptical.
>
>My chess program Wilhelm, which has special knowledge for this kind of position
>cannot find a winning line.
>
>regards
>Rafael B. Andrist
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