Author: Chessfun
Date: 14:27:49 11/21/03
Go up one level in this thread
On November 21, 2003 at 14:49:21, Djordje Vidanovic wrote: >On November 21, 2003 at 14:14:14, Chessfun wrote: > >>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. > > >*Fairly well* means _fairly well_ :-) Just like it says in the description of >the program by the author himself. The author wrote the description?, I assumed Frank had. >*Fairly well* means that Ruffian would play >endgames even without tablebases fairly well (not perfectly...). That was what >Per-Ola meant and I am clarifyng for you, just in case. I am fairly sure that >you should have understood the modest statement by Per-Ola _fairly well_. I understood it, it just seems a large understatement. Also not the type of remark IMO that one would generally use when trying to sell anything. And I know it don't play them perfectly but perfectly is a long way from "fairly well". >Now >that we are through with semantics, I wish you a nice weekend. Although it is >the end of November in Europe the weather is spring-like; I just hope it's half >that nice in the USA...:-) I don't really care what it's like in the US, as long as Southern Ontario is nice and today was beautiful :-) Sarah. >Regards, > >Djordje
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