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GabiBot is a ModMenu (Key Removed) with Evaluation Bar and PV Display.
// ==UserScript==
// @name ♟-GabiBot-: Chess Bot And ModMenu!♟ (No Key) - SYNTAX ROBUST V3 (Expanded)
// @namespace http://tampermonkey.net/
// @version 1.1
// @description GabiBot is a ModMenu (Key Removed) with Evaluation Bar and PV Display.
// @author thehackerclient (Modified & Expanded)
// @match https://www.chess.com/play/computer
// @license MIT
// @icon https://www.google.com/s2/favicons?sz=64&domain=chess.com
// @grant none
// @antifeature membership
// ==/UserScript==
(async function() {
// INCREASED DELAY to 5000ms (5 seconds)
setTimeout(async function(){
alert("Stockfish Loaded!")
console.log("GabiBot: Starting GUI creation sequence.");
async function startStockfish(key){
var menuWrap = document.createElement("div")
menuWrap.id="menuWrap"
var menuWrapStyle = document.createElement("style")
// *** UPDATED: Added PV Display item ***
menuWrap.innerHTML = [
'<div id="topText">',
' <a id="modTitle">-GabiBot-</a>',
' <a>Ctrl+B To Hide</a>',
'</div>',
'<div id="itemsList">',
' <div name="enableHack" class="listItem">',
' <input class="checkboxMod" type="checkbox">',
' <a class="itemDescription">Enable Hack: </a>',
' <a class="itemState">Off</a>',
' </div>',
' <div name="autoMove" class="listItem">',
' <input class="checkboxMod" type="checkbox">',
' <a class="itemDescription">Auto Move:</a>',
' <a class="itemState">Off</a>',
' </div>',
' <div name="botPower" class="listItem">',
' <input min="1" max="15" value="12" class="rangeSlider" type="range">',
' <a class="itemDescription">Bot Power:</a>',
' <a class="itemState">12</a>',
' </div>',
' <div name="autoMoveSpeed" class="listItem">',
' <input min="1" max="10" value="4" class="rangeSlider" type="range">',
' <a class="itemDescription">Auto Move Speed:</a>',
' <a class="itemState">3</a>',
' </div>',
' <div name="updateSpeed" class="listItem">',
' <input min="1" max="10" value="8" class="rangeSlider" type="range">',
' <a class="itemDescription">Update Speed:</a>',
' <a class="itemState">8</a>',
' </div>',
' <div name="currentEvaluation" class="listItem">',
' <a class="itemDescription">Current Evaluation:</a>',
' <a class="itemState">-</a>',
' </div>',
' <div name="bestMove" class="listItem">',
' <a class="itemDescription">Best Move:</a>',
' <a class="itemState">-</a>',
' </div>',
' <div name="pvDisplay" class="listItem">',
' <a class="itemDescription">PV (Prediction):</a>',
' <a class="itemState pv-text-state" title="Principal Variation">-</a>', // Use a custom class for styling PV
' </div>',
' <div name="information" class="listItem">',
' <a class="itemDescription">Information: </a>',
' <a class="itemState">GabiHarMotion (1242 Elo)</a>',
' </div>',
'</div>'
].join('');
// *** UPDATED: Added CSS for Evaluation Bar and PV Display ***
menuWrapStyle.innerHTML = [
'#menuWrap {',
' font-family: monospace;',
' border-radius: 1vh;',
' z-index: 1000000;',
' grid: none;',
' display: grid;',
' grid-template-columns: 90%;',
' grid-template-rows: 15% 85%;',
' justify-content: center;',
' width: 350px;',
' height: 400px;',
' position: absolute;',
' border: 1px solid rgb(100 100 100);',
' background: rgb(16, 16, 16);',
' opacity: 0.98;',
' user-select: none;',
' max-width: 60vw;',
' top: 100px;',
' left: 100px;',
'}',
// New CSS for Principal Variation text to allow long strings
'.pv-text-state {',
' color: white;',
' margin-left: 3%;',
' max-width: 50%;',
' overflow-x: auto;',
' white-space: nowrap;',
'}',
// New CSS for the Evaluation Bar next to the board
'#evaluationBarWrap {',
' position: absolute;',
' height: 100%;',
' width: 20px;',
' background-color: #333;',
' z-index: 999999;',
' right: -25px;',
' top: 0;',
' border-radius: 5px;',
' overflow: hidden;',
'}',
'#evaluationBar {',
' width: 100%;',
' position: absolute;',
' bottom: 50%;',
' transition: height 0.5s ease, bottom 0.5s ease;',
'}',
'#evaluationBar.white-advantage {',
' background-color: #f7d247;', /* Gold for White */
'}',
'#evaluationBar.black-advantage {',
' background-color: #3d8bff;', /* Blue for Black */
'}',
'#topText {',
' width: 40%;',
' justify-self: center;',
' text-align: center;',
'}',
'#modTitle {',
' color: white;',
' justify-self: center;',
' margin-bottom: 5%;',
' font-size: 17px;',
'}',
'#itemsList{',
' overflow-x: hidden;',
'}',
'::-webkit-scrollbar {',
' width: 8px;',
'}',
'::-webkit-scrollbar-thumb {',
' background: #888;',
' height: 10px;',
'}',
'.listItem {',
' display: flex;',
' align-items: center;',
' margin-bottom: 6%;',
'}',
'.checkboxMod {',
' outline: #acacac 1px solid;',
' vertical-align: middle;',
' appearance: none;',
' border-radius: 30%;',
' height: 20px;',
' width: 20px;',
' top: 30%;',
' background: #303030;',
' margin-right: 5%;',
'}',
'.checkboxMod:checked {',
' background-color: #808080;',
'}',
'.rangeSlider {',
' -webkit-appearance: none;',
' width: 45%;',
' height: 15px;',
' border-radius: 5px;',
' background: #b0b0b0;',
' outline: none;',
' margin-right: 6%;',
'}',
'.rangeSlider::-webkit-slider-thumb {',
' appearance: none;',
' width: 17px;',
' height: 17px;',
' border-radius: 50%;',
' background: #505050;',
' cursor: pointer;',
'}',
'.itemDescription{',
' color: white;',
'}',
'.itemState{',
' color: white;',
' margin-left: 3%;',
'}'
].join('');
document.body.appendChild(menuWrap)
document.body.appendChild(menuWrapStyle)
// *** UPDATED: Added new window variable for PV ***
window.hackEnabled = 0
window.botPower = 12
window.updateSpeed = 8
window.autoMove = 0
window.autoMoveSpeed = 4
window.currentEvaluation = 0
window.bestMove = ""
window.principalVariation = "" // New variable
var itemWrap = document.getElementById("menuWrap")
function getElementByName(name,selector){return selector.querySelector(`[name="${name}"]`)}
function getInputElement(element){return element.children[0]}
function getStateElement(element){return element.children[element.children.length-1]}
function modFunction(name,type,variable){
var modElement = getElementByName(name,itemWrap)
var modState = getStateElement(modElement)
var modInput = getInputElement(modElement)
if(type=="text"){
// PV is often a long string, so we use the 'title' attribute for hover text
if(name === "pvDisplay") modState.title = eval(variable);
modState.innerHTML=eval(variable)
}
modInput.onmouseup=e=>{
if(e.button==0){
if(type=="checkbox"){
modState.innerHTML=["Off","On"][Number(!modInput.checked)]
// Robust eval syntax
eval(variable + "=" + !modInput.checked)
}
if(type=="range"){
modState.innerHTML=modInput.value
// Robust eval syntax
eval(variable + "=" + modInput.value)
}
}
}
}
modFunction("enableHack","checkbox","window.hackEnabled")
modFunction("autoMove","checkbox","window.autoMove")
modFunction("botPower","range","window.botPower")
modFunction("autoMoveSpeed","range","window.autoMoveSpeed")
modFunction("updateSpeed","range","window.updateSpeed")
function updateTexts(){
modFunction("currentEvaluation","text","window.currentEvaluation");
modFunction("bestMove","text","window.bestMove");
modFunction("pvDisplay","text","window.principalVariation"); // New line for PV
// Robust eval syntax for text
modFunction("information","text","context.user.username + ' (' + context.user.rating + ' Elo)'");
}
// *** NEW FUNCTION: Update Evaluation Bar ***
function updateEvaluationBar(evaluation, playingAs) {
const bar = document.getElementById("evaluationBar");
if (!bar) return;
let score = 0;
// Convert mate scores (M-1, M+3) to high numerical values
if (typeof evaluation === 'string' && evaluation.includes('M')) {
let mateScore = parseInt(evaluation.replace('M', ''));
score = Math.sign(mateScore) * 1000;
} else {
score = parseFloat(evaluation);
}
const maxScore = 8;
let normalizedScore = Math.max(-maxScore, Math.min(maxScore, score));
// Scale for visual effect (0-100% height)
let height = Math.abs(normalizedScore) * (50 / maxScore);
// If the board is flipped (playing as Black) invert the visual logic
if (playingAs === 2) {
normalizedScore *= -1;
}
bar.style.height = `${height}%`;
// Position: from 50% upwards for White advantage, downwards for Black advantage
bar.style.bottom = normalizedScore > 0 ? '50%' : `${50 - height}%`;
// Set class for color
bar.classList.remove('white-advantage', 'black-advantage');
if (normalizedScore > 0.5) {
bar.classList.add('white-advantage');
} else if (normalizedScore < -0.5) {
bar.classList.add('black-advantage');
}
}
var board = document.querySelector('.board');
var drawingBoard = document.createElement("canvas");
var drawingBoardCTX = drawingBoard.getContext("2d");
// *** NEW HTML FOR EVAL BAR: Check for board and add bar structure ***
if (!board) {
console.error("GabiBot Error: Could not find the chess board element (selector: .board). The script may be outdated.");
return;
}
// Add Evaluation Bar Structure
var evalBarWrap = document.createElement("div");
evalBarWrap.id = "evaluationBarWrap";
var evalBar = document.createElement("div");
evalBar.id = "evaluationBar";
evalBarWrap.appendChild(evalBar);
board.appendChild(evalBarWrap);
// End Eval Bar HTML
// Set canvas size to match the board
drawingBoard.width=board.clientWidth;
drawingBoard.height=board.clientHeight;
board.appendChild(drawingBoard);
function clear(){
drawingBoardCTX.clearRect(0,0,board.clientWidth,board.clientHeight)
}
async function executeAction(bestmove){
// Flip the drawing board if playing as Black
if(board.game.getPlayingAs()==2){
drawingBoard.style.rotate="180deg"
}else{
drawingBoard.style.rotate="0deg"
}
clear()
console.log(bestmove)
bestmove = bestmove.split(" ")[1] // Format: 'bestmove e2e4' -> 'e2e4'
var tileSize = (drawingBoard.clientWidth/8)
var letters = ["a","b","c","d","e","f","g","h"];
// Calculate coordinates for drawing the move arrow
var x1 = letters.indexOf(bestmove[0])+1;
var y1 = 9-Number(bestmove[1]);
var x2 = letters.indexOf(bestmove[2])+1;
var y2 = 9-Number(bestmove[3]);
// Draw the arrow
drawingBoardCTX.beginPath();
drawingBoardCTX.moveTo(x1*tileSize-(tileSize/2),y1*tileSize-(tileSize/2));
drawingBoardCTX.lineTo(x2*tileSize-(tileSize/2),y2*tileSize-(tileSize/2));
drawingBoardCTX.lineWidth=tileSize/5;
drawingBoardCTX.strokeStyle="#00ff0050"; // Green with transparency
drawingBoardCTX.stroke();
if(window.autoMove){
setTimeout(function(){
// Find the move object and execute it
var legalMoves = game.getLegalMoves()
for(var i=0;i<legalMoves.length;i++){
if(legalMoves[i].from==bestmove.split("")[0]+bestmove.split("")[1]){
if(legalMoves[i].to==bestmove.split("")[2]+bestmove.split("")[3]){
var move = legalMoves[i]
// 'game' object is expected to be available in the global scope of chess.com
game.move({
...move,
promotion: 'false',
animate: false,
userGenerated: true
});
}
}
}
},5000-window.autoMoveSpeed*500) // Speed control: faster if autoMoveSpeed is higher
}
}
var updateBotRunning = false;
async function updateBot() {
// Throttle the update rate based on user setting (updateSpeed)
var updateBotInterval = setTimeout(async function(){
updateTexts();
var board = document.querySelector('.board');
if(!window.hackEnabled) {
clear();
updateEvaluationBar(0, 1); // Reset bar
updateBotRunning = false;
clearInterval(updateBotInterval)
return;
}
// Check for board availability again during updates
if (!board || !board.game) {
console.error("GabiBot Warning: Board or game object is unavailable during update. Retrying...");
updateBot(); // Recursively retry after a small delay
return;
}
// *** NEW FEATURE: Game State Awareness ***
if (board.game.isGameOver()) {
var result = board.game.getGameOverReason();
window.currentEvaluation = `GAME OVER: ${result.toUpperCase()}`;
window.bestMove = "No moves possible.";
window.principalVariation = "Game has ended.";
clear(); // Clear the arrow
updateEvaluationBar(0, board.game.getPlayingAs()); // Reset bar
updateTexts(); // Update the menu
// Stop analysis loop until a new game starts
updateBotRunning = false;
return;
}
// *** END Game State Awareness ***
updateBotRunning = true;
// Get FEN from the chess.com game object
var FEN = board.game.getFEN();
var depth = window.botPower;
// Call the Stockfish API
// Note: The 'pv' (Principal Variation) should be returned by this API
let response = await fetch(`https://stockfish.online/api/s/v2.php?fen=${encodeURIComponent(FEN)}&depth=${depth}`);
let data = await response.json();
window.bestMove = data.bestmove || "Calculating...";
window.currentEvaluation = data.evaluation || "-";
// *** NEW FEATURE: Principal Variation (PV) Display ***
window.principalVariation = data.pv || "PV not available";
var bestmove = data.bestmove;
// *** UPDATED: Call Evaluation Bar update ***
var playingAs = board.game.getPlayingAs(); // 1 for White, 2 for Black
updateEvaluationBar(window.currentEvaluation, playingAs);
if (bestmove && bestmove.includes("bestmove")) {
executeAction(bestmove);
}
// Use requestAnimationFrame for smooth GUI updates (if any) and recursive call
requestAnimationFrame(()=>{
if (updateBotRunning) updateBot();
});
},1100-(window.updateSpeed*100))
}
// Re-run the bot logic whenever a change event happens (like a user move)
document.addEventListener("change", updateBot);
// Start the bot immediately without a key check
updateBot();
var draggingElement = document.getElementById("modTitle")
dragElement(itemWrap,draggingElement);
// Function to allow the menu window to be dragged
function dragElement(elmnt,elmnt2) {
var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
elmnt2.onmousedown = dragMouseDown;
function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
pos3 = e.clientX;
pos4 = e.clientY;
document.onmouseup = closeDragElement;
document.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
pos1 = pos3 - e.clientX;
pos2 = pos4 - e.clientY;
pos3 = e.clientX;
pos4 = e.clientY;
elmnt.style.top = (elmnt.offsetTop - pos2) + "px";
elmnt.style.left = (elmnt.offsetLeft - pos1) + "px";
}
function closeDragElement() {
document.onmouseup = null;
document.onmousemove = null;
}
}
// Keyboard shortcut for menu visibility
var menuHidden = 0
document.addEventListener("keyup",(e)=>{
if(e.key=="b"&&e.ctrlKey){
if(!menuHidden){menuWrap.style.display="none"}
else{menuWrap.style.display="grid"}
menuHidden^=1
}
})
}
// Start the bot with a dummy key (key is ignored in this version)
await startStockfish("key_removed")
},5000) // Initial 5 second delay to wait for chess.com to load
})();