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TablebasesArena supports endgame tablebases using the help of the engine Gaviota of Miguel A. Ballicora. Gaviota is part of any distribution of Arena.The result of the database query (if there is one) is displayed in the area of the opening classification/ EPD string:
The results of the possible contermoves are displayed in the area of the opening book:
A move is executed on the board by a double click on it. Configuration: Under Options / Configure Tablebases you get to the following dialogue:
With the option "Use Tablebases" you can switch tablebases on or off. With the setting "Databases including up to X pieces are installed" you can limit the amount of pieces up to which tablebases are used, even if tablebases for more are installed. You can change the compression used by Gaviota. Hint: If the logo is displayed, Gaviota is loaded:
You can set a maximum of three paths to endgame tablebases. For testing purposes you can start or terminate Gaviota, and send commands to Gaviota. To investigate problems, you can watch the communcation between Arena and Gaviota on the tab sheet "Log" (Similar to the engines debug window for normal engines):
File Structure (Default):
The 4 and 5 men tablebases not supplied with Arena can be generated by Gaviota's tablebase generator or downloaded on the web. You can find further informationen to Gaviota in the file \TB\gaviota-readme.txt. |