Author: Helmut Conrady
Date: 06:03:38 04/25/04
Go up one level in this thread
On April 25, 2004 at 07:56:15, Sandro Necchi wrote: >On April 25, 2004 at 07:55:09, Jorge Pichard wrote: > >>On April 25, 2004 at 06:53:39, Eduard Nemeth wrote: >> >>>On April 25, 2004 at 06:47:21, Eduard Nemeth wrote: >>> >>>No Jorge, see here: >>> >>> >>>Ruffian 2.1.0 - Shredder, real position: >>> >>> >>>[D]6Q1/8/p7/7p/8/5q2/5k2/2K5 w - - 0 1 >>> >>>Is this won with 6-Pieces? I believe no >>>then the pawn on a6 is not possible in the endgame >>> >>>(Ruffian 2.1.0 has not 6 pieces, but Shredder have it). >>> >>>Position without pawn a5: >>> >>>[D]6Q1/8/8/7p/8/5q2/5k2/2K5 w - - 0 63 >>> >>> >>>Draw: >>> >>>1. = (0.00): 63.Dd8 >>>2. -+ (-#76): 63.Da2+ >>> >>>But Ruffian (without 6-Pieces) plays Qa2+? and lost. :( >>> >>>Here won also not the engine, it won the better EGTB, or? :) >> >>But the engine has to reach that position before it can use the EGTB, therefore, >>the game was won after reaching that position with or without 6-Pieces EGTB. >> >>Jorge > >Correct! > >Sandro Eduard is right IMO. In a tablebase-based search the tablebases can help to reach a won position, which the engine may be couldn`t find alone. I would argue in an other way: every programmar is free to use as much tablebases as he wants ... Helmut
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