Author: Chessfun
Date: 11:14:14 11/21/03
Go up one level in this thread
On November 21, 2003 at 06:23:36, Frank Quisinsky wrote: >On November 21, 2003 at 03:38:24, Chessfun wrote: > >>On November 20, 2003 at 19:14:15, Jorge Pichard wrote: >> >>>Ruffian 2.0 by Per-Ola Valfridsson (Sweden) is the strongest Winboard compatible >>>engine in the world today. The freely available and downloadable version of >>>Ruffian (ver. 1.0.5) is placed first on the Winboard Engines Rating List. Its >>>successor, coming more than one year later, with improved features and much >>>higher playing strength, compared with 1.0.5. >>>Ruffian 2.0 is not only capable of holding his own against the strongest >>>commercial chess programs in the world, but also able to compete successfully >>>against any of them. >>> >>>WB I / II & UCI protocol support >>> >>>Linux engine included >>> >>>11 playing levels, interesting settings! >>> >>>Opening books by Prof. Dr. Djordje Vidanovic !! >>> >>>Our Chess GUI Arena 1.0 by Martin Blume !! >>> >>>Ruffian 2.0 is a much improved engine that is considerably stronger than version >>>1.0.1 / 1.0.5. More chess knowledge has been added and many other areas have >>>been enhanced and improved. Piece mobility has been completely rewritten and the >>>new version has a more active positional playing style. >>>The engine is written in portable ANSI C and has been tested on a number of >>>platforms such as Windows, Mac OSX, Linux, Solaris, Pocket PC and PalmOS. >>> >>>Ruffian is a fast program that reaches high search depth very quickly, and this >>>gives it excellent tactical abilities. Extensions, pruning and evaluation have >>>been carefully tuned to maximize Ruffian's playing strength. Mobility is based >>>on precalculated tables that can recognize special patterns; this is one of the >>>major evaluation terms. Ruffian has a lot of endgame knowledge and can play >>>endgames fairly well. With the combination of endgame tables, Ruffian knows when >>>to convert to a winning endgame. Search is based on iterative deepening, >>>principal variation search algorithm (PVS), extension, SEE, transposition >>>tables, recursive null-move and forward pruning. >> >>Hmm, wonder who we should thank for taking it commercial. >> >>Sarah. > >Hi Sarah, > >the best solution for us is to have all for free. >I know this, we make it! > >Ruffian 1.05 / Arena 1.0 for an example! Ruffian 1.0.5 is the same as previous versions which were also free. Arena is an interface. I specifically refer to Ruffian and it becoming commercial. Without "Arena" it's hardly likely that Ruffian could become commercial as a simple winboard engine, and no interface of it's own. You may though wish to change the statement; "Ruffian has a lot of endgame knowledge and can play endgames fairly well." I am not even sure what "fairly well" means?. Sarah.
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