Some chess stuff

• Posix ports of recent versions of Toga II. They have been reported to work on Linux, MACOSX and BSD.
• Ucibench. A small benchmarking utility for uci engines.
• This is the specification of the Polyglot opening book format. This is the most widely understood non-proprietary opening book format. It is at least understood by Polyglot, Fruit, Toga, Glaurung, Hamsters, Mediocre, TwistedLogic, jose-chess and the latest versions of Scid. I am providing this specification in the hope that other programs will also use this book format. UPDATE: Polyglot books are now also understood by Winboard/Xboard 4.3.15.
• This is a new version of Polyglot 1.4w10 which can be used as a book engine for Polyglot books on UCI GUIs (like ChessBase). This new version also has support for the new "cores", "memory" and "egtpath nalimov" commands in the winboard protocol. See here for a description of what these commands are supposed to do.
• UPDATE: Polyglot books are now also understood by Winboard/Xboard 4.3.15! This means that Polyglot books can now be used easily on all standard GUIs!
• A new version of icsdrone (called icsdroneng). It has a number of new features (such as feedback on tell commands). It is not quite finished (and perhaps never will be) but nonetheless rather useful.
• I made an attempt to transform gnuchess-5.07 into a modern winboard engine, both on Windows and on Linux (e.g. support for the memory command and clean shutdown on adverse conditions such as the user doing "killall -9 xboard"). In addition I fixed quite a few bugs causing time losses. See this thread.

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