 Ruffian 2 is a strong chess program from the Swedish programmer Perola Valfridsson. Recently this chess program won the Dutch open ahead of The King and Chess Tiger. Ruffian 2 is the successor of the freely available free 1.0.5 version. This version has a much higher playing strength which brings it in the same league with engines as Deep Sjeng and Chess Tiger.
Ruffian 2 is a fast program that reaches high search depths very quickly, this makes it a tactically strong engine. The chess engine has a lot of endgame knowledge and can make use of endgame tablebases.
The Ruffian 2 chess engine is UCI and winboard compatible, this makes it possible not only to use the engine with ChessPartner but also with other interfaces that are UCI or winboard compatible. The package includes the latest ChessPartner interface.
Features:
• Chess engine is UCI and Winboard compatible.
• Version 2.0.2 and 2.1 included.
• Multivariation mode.
• Nalimov Endgame Table bases.
• ChessPartner 5.3 interface.
• Linux and Mac OS/X versions of the engine are included on the CD-ROM.
UCI and Winboard compatible
The Ruffian chess engine is UCI and Winboard compatible. This makes it possible not only to use the chess engine with the ChessPartner interface but also in other interfaces supporting the UCI or Winboard protocol.
Version 2.0.2 and 2.1 included
We have included 2 versions of the chess engine. The main version is the 2.0.2 version which is known to be very strong, this is a improved version of the program that won the dutch open 2003. Also in the package is the version 2.1 engine. This version is supposed to be even stronger than the 2.0.2 version but we have not yet played enough games to have the final proof.
Multivariation mode
In this mode the chess engine not only looks for the best move, but for the best 'n' moves. This feature is handy for game analysis.
Nalimov Endgame Table bases
Table bases (abbreviated to TB) are giant sets of databases stored with perfect end-game knowledge and this knowledge will be used by Ruffian for its internal calculations. It means that the chess program understands some very basic end-games without the need of calculating nor programmed chess knowledge because the information is simply retrieved from the TB (table base). Al the 3 and 4 man and some 5 man table bases are included on the CD-ROM version. Other table bases can be downloaded from the Internet.
ChessPartner 5.3 interface
The latest ChessPartner interface is included. General information about ChessPartner can be found here...
Linux and Mac OS/X version of engine
As a bonus, the CD-ROM contains a linux and Mac OS/X versions of the Ruffian chess engine. This version can be used with xboard. Note that these versions are free extra's and not supported.
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