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Vasik Rajlich has given the following information at the Rybka forum: [45] Rybka 4 is a normal UCI engine, without copy protection. There are separate single-processor and multi-processor versions. Full chess analysis packages which include Rybka 4 will be made by ChessBase (www.chessbase.com) and Convekta/ChessOK (www.chessok.com).
IPPOLIT was initially prohibited from many computer chess websites after the author of the chess engine Rybka claimed it to be a clone of his program. [4] IPPOLIT authors have denied the accusation. Even today, some chess rating lists still refuse to include it in their lists of tested programs.
Fritz is a German chess program originally developed for Chessbase by Frans Morsch based on his Quest program, ported to DOS, and then Windows by Mathias Feist. With version 13, Morsch retired, and his engine was first replaced by Gyula Horvath's Pandix, and then with Fritz 15, Vasik Rajlich's Rybka.
The uci_limitstrength parameter tells engines with this feature to play at a lower level. The uci_elo parameter specifies the Elo rating at which the engine will aim to play. Engines that have implemented uci_elo include Delfi , Fritz , Hiarcs , Houdini , Junior , Rybka , Shredder , Sjeng and Stockfish .
The meaning of the term "chess engine" has evolved over time. In 1986, Linda and Tony Scherzer entered their program Bebe into the 4th World Computer Chess Championship, running it on "Chess Engine," their brand name for the chess computer hardware [2] made, and marketed by their company Sys-10, Inc. [3] By 1990 the developers of Deep Blue, Feng-hsiung Hsu and Murray Campbell, were writing of ...
Most contemporary chess engines are command-line programs which generate chess moves, but which require a separate chess graphical user interface in order to display a chessboard. The main article for this category is Chess engine .
A chess engine generates moves, but is accessed via a command-line interface with no graphics. A dedicated chess computer has been purpose built solely to play chess. A graphical user interface (GUI) allows one to import and load an engine, and play against it. A chess database allows one to import, edit, and analyze a large archive of past games.
ChessBase is a German company that develops and sells chess software, maintains a chess news site, and operates an internet chess server for online chess. Founded in 1986, it maintains and sells large-scale databases containing the moves of recorded chess games. [1] [2] The databases contain data from prior games and provide engine analyses of ...