How do you encode the chess board and it's pieces? The answer to these questions dictates how moves are generated and executed, and hence massively influences the performance of any engine (which has to cycle through millions of moves to find one it deems optimal). The board representation is the principal prerequisite of any engine. Initial Caveats on Representation of the Board and its Pieces move pieces, reset the board, or make the engine perform a move: Text-based command line inputs are taken to e.g. The algorithm to draw the board is straightforward: Iterate through the board and write characters to the console depending on which piece is present. The chess board is simply displayed via characters on the console, with background coloring to aid in distinguishing the pieces. The InterfaceĪs most things in the coding space do, the chess engine started as a command line based program. Gamechanger or - for more classical algorithms - the architecture of Stockfish. Readers with a deep knowledge of coding and/or chess will likely not be exposed to new information here and could instead look at excellent, much more advanced resources, e.g. The article is aimed at readers who have no familiarity with computer chess whatsoever. The entire code is available on GitHub, and its general principles shall be covered here without going into too much detail. The result is very crude (by virtue of the facts that I am a complete chess novice and that several improvements to the codebase can be made), but it was nonetheless a fun little project I would like to share. Out of nostalgia, I redid this project last year and used the opportunity to familiarize myself more with C++. The program implemented the rules of chess and also allowed the player to challenge a computer opponent. Something that was unfortunately lost in time is a chess program I had originally written many years ago in Pascal.
Update April 04, 2021: A follow-up to this article can be found here.
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