Author: Miguel A. Ballicora
Date: 09:47:32 05/14/01
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On May 14, 2001 at 11:24:33, Gordon Rattray wrote: >On May 14, 2001 at 09:54:06, Gian-Carlo Pascutto wrote: > >>On May 13, 2001 at 12:31:19, Gordon Rattray wrote: >> >>>I've tested this position with Fritz 6, Junior 6, Shredder 5 and GambitTiger 2 >>>and they all avoid a6 within 30 seconds. I didn't leave the analysis running >>>to see if they would switch back. I'm using an Athlon 1.1 Ghz. >> >>Avoiding a6 is not hard, even my program will do it in a few seconds >>(there was very few time left in the actual game). >> >>The trick is to understand it is a draw after a6. >> >>-- >>GCP > >OK, in which case you need to word your question correctly. You wrote: > >>Most other programs don't seem to have a clue about >>this position either, though :) > >after posting the position *before* a6 was played. Hence I read your "this >position" to be before a6. If a6 is easy and not the point, maybe you should >have posted the position after a6 was played. > >Gordon Besides the wording, Giancarlo's point was clear. Do the programs "understand" what's going on? Sometimes you avoid a6 because there so many good choices that a program took a anyone. Still does not prove that that the program understand the position. This is an attempt to make it harder for the programs [D]2k2r2/2P3R1/pP6/1P6/8/8/1K6/8 w - - 0 56 White should avoid bxa6. With enough time (and maybe table bases) programs will avoid it because they will see a promotion in other line (Kb3 or Kc3) but I guess that it will take many plies to find that, unless the program "understand" the risk of playing bxa6. Miguel
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