Author: Robert Hyatt
Date: 20:03:01 02/08/01
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On February 08, 2001 at 18:33:29, Torstein Hall wrote: >[D]3R4/3r1p1p/2pk4/5r2/6p1/6P1/P3RP1P/1K6 w - - 0 35 > >This position is from some blitz games played with Fritz 6 and Crafty 18.01 >Crafty won 15.5 - 10.5 but that is not the point. > >In this position Fritz 6 belives black to be a little better, even after a >rather long tink. Crafty 18.01 sees that 35.Rd2+ is a winninig move for white >because of the remote free pawn endgame resulting. (35...Rd5 36.Rxd7+ Kxd7 >37.RxR PxR and the rest is perhaps easy.) While Crafty 17.11 still want to play >Rd2+ but do not see it as winning. > >Is there some new knowledge about remote pawns in Crafty 18.01? > >....and how is other program evaluating this position? > >Torstein Crafty has known about distant passed pawns forever. I can't imagine why 17.11 would behave differently, but perhaps a bit of tuning along the way as I did make many changes to that code recently... The most recent changes have been about "distant candidates" as opposed to real distant passers.
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