Author: Uri Blass
Date: 12:57:10 10/18/00
Go up one level in this thread
On October 18, 2000 at 15:52:09, Ricardo Gibert wrote: >On October 18, 2000 at 14:14:20, Uri Blass wrote: > >>On October 18, 2000 at 12:34:42, Ricardo Gibert wrote: >> >><snipped> >>>The algorithm to determine whether this type of position is drawn is quite >>>simple. With the h-pawn, Black draws if the K can get into the four corner >>>squares g7,g8,h7,h8. Otherwise, the outcome is not assured. Note, it is not >>>enough for the King to get in front of the pawn as the following position >>>illustrates: >> >>I can give another rule: >>Blacks draw if it is black to move and the distance between the black king and >>the corner in king moves is smaller than the ditance between the corner and the >>white pieces except the bishop(white king in king moves and white pawn in pawn >>moves) >> >>If it is white to move then use distance-1 instead of distance for white. >> >>Uri > >I like your rule. It's interesting, but it needs to be amended somewhat: > >[D]4B3/8/8/8/8/2k5/7P/K7 b - - 0 0 This position is not a draw by my rule. The distance of the white pawn to the corner in pawn moves is equal(and not smaller) to the distance of the black king to the corner in king moves. > >as you can see, your rule is a little dangerous. There may be other examples, >but this is what I came up with in a about a minute. Still your rule is >promising. > >There are some positions your rule does not give as drawn, but "my" rule does. >The reverse is also true of course, so maybe the rules should be combined? I agree that the rules can be combined. Uri
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.