Author: Lex Loep
Date: 06:25:56 11/22/00
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On November 22, 2000 at 09:21:27, Mogens Larsen wrote: >On November 22, 2000 at 09:01:14, Jeroen van Dorp wrote: > >>from the help file: >> >>"Using the end game database >> >>In order to use the (Ken Thompson) databases you’ll need to turn on this feature >>through the Chess brain options. Additionally you will need to define the >>drive(s) and path(s) where the databases can be found using the Configuration >>utility provided with Rebel Tiger. >>Note that Rebel Tiger may be delivered with (1 to 4) or without End Game >>CD-ROM’s depending on your supplier and price! The Internet distribution does >>NOT come with the CR-ROM’s >> >>Place the CD-ROM in the CD player. In case you have multiple CD-players you may >>use multiple end game CD’s simultaneously. When you have a CD-ROM Jukebox do NOT >>use multiple End Game CD’s, the swapping of discs takes too long for correct >>functioning. Further action on your behalf is not required, except moving the >>game to a 5-piece position of course... >>From that moment on, when Rebel Tiger is turn, the position is checked to be >>present in one of the databases. If so, you are prompted to put the appropriate >>CD into the drive if not already present. Next the database is queries for the >>best move. During the search you may be asked to put in another end game volume >>since the position may convert into a different game. >>When the position is present in the database, the Statistics window will show >>it. It will occur that multiple best moves exist for a certain position. Using >>the Next Best feature you can evaluate these paths. The Statistics window >>indicates the presence of next best moves where variant moves are between >>brackets. >>Since the database is constructed to seek for the shortest distance to >>conversion in the first place and mate in the second, it may occur that mate can >>be reached sooner than the database will show! End games where a pawn (7th row >>e.g.) has an important role are good examples. >>You can use the end game databases for study or try to beat Rebel Tiger!? >> >>Copyright 1998-2000, Lokasoft" > >It sounds like an old helpfile referring to the previous Rebel Tiger package and >not the new one. If I were to venture a guess then it would be that the old >Lokasoft engine was capable of using Ken Thompson endgame tables. There's no >mention of tablebase support at the Rebel site as far as I can tell, nor do they >offer the old tablebase format for sale. > >The programmer has mentioned the lack of tablebase support of Tiger and Gambit, >and has taken flack for it. So with the exception of the three piece tables >mentioned by George, I doubt it can use Thompson tables. But maybe the author >can explain (?), > >Mogens. The support for the Thompson tables is still in the Lokasoft engine. Lex
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