Rapchess Engine
A JavaScript UCI chess engine that you can play against or analyze chess positions with. Features configurable difficulty and move analysis.
Created by Thibor
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How to Use
• Click and drag chess pieces to make your moves on the board • Your goal is to checkmate the computer opponent or force a draw • The Rapchess engine will automatically respond to your moves • Use the "New Game" button to start a fresh game at any time • Adjust engine thinking time by changing the "movetime" value in the UCI parameter field (default is 1000 milliseconds) • The engine follows standard chess rules - capture the opponent's king while protecting your own • Legal moves are automatically validated when you drag pieces • Game history and engine analysis appear in the output areas below the board • The engine uses UCI protocol for communication, displaying its thinking process in the lower table