Author: Gilles Garrigues
Date: 10:03:47 03/26/04
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On March 20, 2004 at 23:05:41, margolies,marc wrote: > The Inquiring minds ask BEFORE they mis-state facts.( they also use >spell-checkers) >Hiarcs9, deepfritz8, fritz--latest update of course-8, and shredder8 all can use >6-piece multi-part tablebase data. sometimes this requires fritz to use a >special engine to access the data, called tablebase3.0--> > > >On March 20, 2004 at 17:45:31, Mike Taylor wrote: >> >>In addition, why does Shredder 8 not use 6 man TBS ?? I know Fritz 8 can ! >> >>Enquiring minds want to know :) ============================================================================== Things are not so simple ; look at what ChessBase says on the DVD's : The information display with these endgames may be a bit confusing at first sight. Example: DVD4 contains the endgame RPP-R. 1. Usage with Fritz and integrated TB-access Access of the endgame tables works fine if black (the side with the single rook) is to move. But if white is to move and one of the pawns can promote or the black piece can be taken, no endgame information is shown. Instead the engine starts thinking. Fritz is optimized for practical play and missing subendgames can lead to several problems during game play. Therefor access to the endgame tables is switched off if one or more moves lead to a position with no information in the endgame tables. 2. ChessBase 8 The endgame turbo is supported through the new engine "Tablebase 3.0". ChessBase and this engine are optimized for analysis. Therefor if a position is not found (after a promotion), the evaluation will be 0 but all other moves will have correct information. Normally 0 means a draw, but in this case it can also mean that the endgame was not found. So the difference between Fritz and ChessBase are missing positions. Fritz switches off the display completely if one of the moves lead to an unknown position, ChessBase always shows all known evaluations and gives 0 for the unknown positions. This may be irritating at first, the user has to be aware of it while interpreting the results. With the six pieces endgames it happens if one of the pawns can promote oder the single piece of the side without pawns can be taken. ChessBase GmbH
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