Tampermonkey Chess Script

🛠️ Playing with Tampermonkey & Chess.com

Notes and safety

A popular and educational feature idea is a . This highlights squares currently under attack or defended by a selected piece to help with board awareness . 1. Core Logic Overview tampermonkey chess script

(function() 'use strict';

function getFENFromDOM() let board = []; const files = ['a','b','c','d','e','f','g','h']; for (let rank = 8; rank >= 1; rank--) let row = ''; for (let file of files) let piece = getPieceOnSquare(file+rank); row += piece ? piece : ''; 🛠️ Playing with Tampermonkey & Chess

As of 2026, the chess platform arms race has intensified: function getFENFromDOM() let board = []