Author: James T. Walker
Date: 21:49:45 03/22/01
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On March 22, 2001 at 17:55:07, Derek Mauro wrote: >I'm no expert on computer chess, but I thought I'd call this to everyone's >attention. I was analyzing one of my recent games with Tiger (reg. and gambit), >and had a drawn position(I had black). > >[D]8/8/8/8/1n6/2K5/p7/6k1 w - - 0 111 > >For some reason, in the obvious draw, Tiger gives it -12 and wants to play >Kxb4?? even after like 20 minutes. All the programs seem to think its about -6 >or so, but they all play the correct move, the obvious Kb2. Is this a bug? >(The 4 piece tablebases will easily solve this bug, but this position is so >incredibly easy that I can't see why it would even need them.) > >This next position is also from the same game that all programs seem to have >trouble with, but I don't believe this is a bug. > >[D]8/1k6/2n5/8/6r1/p1K5/7R/8 b - - 0 87 > >Most programs want to play Nb4, but from there white can force a draw. I think >Ra4 is the correct move (Na5 might also work), but I'm not sure. I also fell to >the tempation of Nb4 during the game :( > >Derek Hello Derek, Can you post a line which gives white the draw after Nb4? It seems to me that black should still win this ending. What am I missing? Jim
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