Chess board
Chess board logic
const chess = ;
const chess = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"; chess; // rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 chess; // { square: 'e2', piece: { type: 'p', color: 'w' } } chess; // [{ square: "c3", piece: null }, { square: "a3", piece: null }]; chess;chess; // ♜ ♞ ♝ ♛ ♚ ♝ ♞ ♜// ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♟////// ♙//// ♙ ♙ ♙ ♙ ♙ ♙ ♙// ♖ ♘ ♗ ♕ ♔ ♗ ♘ ♖
const chess = ; chess; // SAN (Standard Algebraic Notation)chess; // ♜ ♞ ♝ ♛ ♚ ♝ ♞ ♜// ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♟////// ♙//// ♙ ♙ ♙ ♙ ♙ ♙ ♙// ♖ ♘ ♗ ♕ ♔ ♗ ♘ ♖
const chess = "r1bqkbnr/ppp2ppp/2np4/4p3/2B5/4PN2/PPPP1PPP/RNBQK2R w KQkq - 2 4"; chess; // ♜ ♝ ♛ ♚ ♝ ♞ ♜// ♟ ♟ ♟ ♟ ♟ ♟// ♞ ♟// ♟// ♗// ♙ ♘// ♙ ♙ ♙ ♙ ♙ ♙ ♙// ♖ ♘ ♗ ♕ ♔ ♖ chess;chess; // ♜ ♝ ♛ ♚ ♝ ♞ ♜// ♟ ♟ ♟ ♟ ♟ ♟// ♞ ♟// ♟// ♗// ♙ ♘// ♙ ♙ ♙ ♙ ♙ ♙ ♙// ♖ ♘ ♗ ♕ ♖ ♔ chess; // throw "castling invalid";
const chess = "r1bqkbnr/ppp2ppp/2np4/4p3/2B5/4PN2/PPPP1PPP/RNBQK2R w KQkq - 2 4"; chess; // ♜ ♝ ♛ ♚ ♝ ♞ ♜// ♟ ♟ ♟ ♟ ♟ ♟// ♞ ♟// ♟// ♗// ♙ ♘// ♙ ♙ ♙ ♙ ♙ ♙ ♙// ♖ ♘ ♗ ♕ ♔ ♖ chesstarget"e1"; // false chesstarget"e5"; // true chess; // false
const chess = ; chess; // [ { piece: { type: 'n', color: 'w' },// from: 'b1',// to: 'c3',// capture: null },// { piece: { type: 'n', color: 'w' },// from: 'b1',// to: 'a3',// capture: null },// { piece: { type: 'n', color: 'w' },// from: 'g1',// to: 'h3',// capture: null },// { piece: { type: 'n', color: 'w' },// from: 'g1',// to: 'f3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'a2',// to: 'a3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'a2',// to: 'a4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'b2',// to: 'b3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'b2',// to: 'b4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'c2',// to: 'c3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'c2',// to: 'c4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'd2',// to: 'd3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'd2',// to: 'd4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'e2',// to: 'e3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'e2',// to: 'e4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'f2',// to: 'f3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'f2',// to: 'f4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'g2',// to: 'g3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'g2',// to: 'g4',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'h2',// to: 'h3',// capture: null },// { piece: { type: 'p', color: 'w' },// from: 'h2',// to: 'h4',// capture: null } ]