cm-polyglot v1.1.0

cm-polyglot

This is an ES6 port of the polyglot reading and handling parts of https://github.com/evilwan/stakelbase.

It allows the reading of chess opening books in the polyglot (.bin) format. It is used in the cm-engines-runner to handle opening books.

Usage

import {Polyglot} from "./src/cm-polyglot/Polyglot.js"

const polyglot = new Polyglot("./assets/books/openings.bin")
const startingPosition = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
console.log(startingPosition, await polyglot.getMovesFromFen(startingPosition))

References

• https://github.com/evilwan/stakelbase
• Polyglot book format http://hgm.nubati.net/book_format.html
• https://shinkarom.github.io/zobrist/
• https://javascript.hotexamples.com/de/examples/chess/js.Chess/fen/javascript-js.chess-fen-method-examples.html
• https://github.com/Bobcat/bobcat/blob/master/src/Book.h