Author: Robert Hyatt
Date: 20:20:23 04/19/01
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On April 19, 2001 at 21:00:50, Jeff Lischer wrote: >On April 19, 2001 at 10:23:47, Robert Hyatt wrote: > >> >>Somebody's confused somewhere. It is a mate in 26 starting with Ne4. IE >>counting Ne4, white needs exactly 26 moves to force mate. What's with all >>the other numbers these programs are getting??? > >I did some experimenting Tiger and it seems that Tiger rounds down! If the mate >is in 1 ply (or 0.5 moves) Tiger calls it Mate in 0. Tiger calls mate in 2 plies >(1.0 moves) Mate in 1. And so on. Since the position above is mate in 51 plies >(25.5 moves), Tiger calls it Mate in 25. :) > >I don't know about the other programs. Wonder why the programs simply can't show a mate score that makes sense. IE if the PV has white making three moves before black is mated, that is called "mate in 3". Not mate in 4, or mate in 2, or mate in 2.5...
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