Author: John Merlino
Date: 11:34:26 09/13/03
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On September 13, 2003 at 14:31:55, Rafael Andrist wrote: >On September 13, 2003 at 14:08:37, John Merlino wrote: > >>On September 13, 2003 at 10:23:41, Frank Phillips wrote: >> >>>[D]8/4k3/8/8/4Kp1p/5N1N/8/8 w - - >>> >>>Just an amusing position. >>> >>>White to move and win. Perhaps the longest forced mate my program has played. >>>I was not sure whether it would be caught out by the 50 moves rule. (Any credit >>>goes to Eugene of course.). >>> >>>It traded down from B+Pawns versus 2N+Pawns to reach this endgame. My heart >>>sank and I was already to fix yet another evaluation quirk - maybe still need >>>to. >>> >>>Frank >> >>Kxf4 is a forced mate in 90 moves and it will NOT be caught by the 50-move rule. > >No, after Kxf4 it is a draw. You need 51 moves to the next forced capture/pawn >push with best defence. > >Also, I did a short search up to depth 13 and could not find a win which would >not have been prohibited by the 50-move rule. > >The endgame is anyway only won in about 23% of all cases and even then, you will >fail to win it in more than 50% without the appropriate endgame tables. > >regards >Rafael B. Andrist You're probably right, since Black has many options. But can you prove it by posting the moves? jm
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