Author: Rafael Andrist
Date: 15:00:18 09/13/03
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On September 13, 2003 at 14:34:26, John Merlino wrote: >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? What kind of moves are you interested in? The optimal line of play or optimal defense vs. DTM attacker?
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