// ==UserScript==
// @name Lichess - Detailed Moves
// @license GPL-3.0-only
// @namespace https://github.com/sealldeveloper/lichess-better-moves
// @contributionURL https://github.com/sealldeveloper/lichess-better-moves
// @version 0.5
// @description Show brillant, excellent, great and book moves on lichess.org as chess.com does, an updated version of Thomas Sihapanya's version.
// @author Seall.DEV & Thomas Sihapnya
// @require https://greasyfork.org/scripts/47911-font-awesome-all-js/code/Font-awesome%20AllJs.js?version=275337
// @include /^https\:\/\/lichess\.org\/[a-zA-Z0-9]{8,}/
// @grant GM.xmlHttpRequest
// @grant unsafeWindow
// @inject-into content
// ==/UserScript==
// ==OpenUserJS==
// @author sealldeveloper
// ==/OpenUserJS==
(function() {
'use strict';
const GOOD_MOVE_THRESOLD = 0.6;
const EXCELLENT_MOVE_THRESOLD = 1;
const BRILLANT_MOVE_THRESOLD = 2;
const CHECKMATE_IN_X_MOVES_VALUE = 100;
let goodMoves = {
white : {
'book' : 0,
'good' : 0,
'excellent': 0,
'brillant': 0,
},
black : {
'book' : 0,
'good' : 0,
'excellent': 0,
'brillant': 0,
}
}
/**
* Wait for the page to load all its elements before running the script
*/
window.addEventListener('load', function() {
/**
* Create click event since .click on elements doesn't work quite well in Chrome
*/
let clickEvent = document.createEvent('MouseEvents');
clickEvent.initMouseEvent('mousedown', true, true);
/**
* Moves explorer must be opened to detect book moves. If not, user is prompted to run an analysis and reload the page.
*/
const formAnalysis = document.getElementsByClassName('future-game-analysis')[0];
if (typeof(formAnalysis) !== 'undefined') {
alert('Lichess Detailed Moves: Please run an analysis and reload the page when finished. You will then be prompted to accept cross-origin resource : you can safely allow it (it will fetch data for an opening API) !');
}
/**
* Check if users is in analysis page and analysis has been run
*/
if (document.getElementsByClassName('analyse__tools').length > 0
&& document.getElementsByClassName('future-game-analysis').length === 0
&& document.getElementsByClassName('computer-analysis active').length > 0) {
const ecoCodesApiUrl = 'https://github.com/sealldeveloper/lichess-detailed-moves/raw/main/data/eco.json';
/**
* Loads ECO codes API
* https://github.com/sealldeveloper/lichess-detailed-moves/raw/main/data/eco.json
*/
function loadEcoCodesApi() {
GM.xmlHttpRequest({
method: "GET",
url:ecoCodesApiUrl,
onload: function(response) {
lichessGoodMoves(JSON.parse(response.responseText));
},
onerror: function(err) {
alert('Lichess Detailed Moves: The script cannot be launched (maybe you have forbid the access to a cross-origin resource ?) - Refresh the page if you want to start again.');
}
});
}
function loadMoves(ecoCodes) {
let domMoves = document.getElementsByTagName('move');
let moves = [];
let previousEval = {
value: '+0.0',
symbol: '+',
absVal: '0.0'
};
Object.values(domMoves).forEach(domMove => {
if (!domMove.classList.contains('empty')) {
if ("undefined" !== typeof(domMove.childNodes)) {
domMove.childNodes.forEach(node => {
if ('SAN' === node.tagName) {
/**
* Handle opening
*/
moves.push(node.innerHTML);
let currentColor = checkColor(moves.length-1);
let currentPgn = createPgnMoves(moves);
let foundOpening = ecoCodes.find(eco => eco.moves.toLowerCase().trim() == currentPgn.toLowerCase().trim());
if (typeof(foundOpening) !== 'undefined') {
handleOpeningMove(node, foundOpening, currentColor);
}
/**
* Handle evaluation
*/
if (!node.innerHTML.endsWith('#')){
let currentEval = {
textValue: domMove.getElementsByTagName('eval')[0].innerHTML,
symbol: domMove.getElementsByTagName('eval')[0].innerHTML.charAt(0)
}
if (currentEval.symbol == '#') {
currentEval.value = currentColor == 'white' ? - CHECKMATE_IN_X_MOVES_VALUE : CHECKMATE_IN_X_MOVES_VALUE;
}
else {
currentEval = {
textValue: currentEval.textValue,
symbol: currentEval.symbol,
value: (currentEval.symbol == '+') ? parseFloat(currentEval.textValue.substring(1)) : 0 - parseFloat(currentEval.textValue.substring(1))
}
}
let delta = currentEval.value - previousEval.value;
let moveText = node.innerHTML;
if ("white" === currentColor) {
if (delta >= GOOD_MOVE_THRESOLD && delta < EXCELLENT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #b2f196;">'+
moveText+'!?'+
'</span>';
goodMoves.white.good++;
}
if (delta >= EXCELLENT_MOVE_THRESOLD && delta < BRILLANT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #96bc4b;">'+
moveText+'!'+
'</span>';
goodMoves.white.excellent++;
}
if (delta >= BRILLANT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #1baca6;">'+
moveText+'!!'+
'</span>';
goodMoves.white.brillant++;
}
}
if ("black" === currentColor) {
if (delta <= -GOOD_MOVE_THRESOLD && delta > -EXCELLENT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #b2f196;">'+
moveText+'!?'+
'</span>';
goodMoves.black.good++;
}
if (delta <= -EXCELLENT_MOVE_THRESOLD && delta > -BRILLANT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #96bc4b;">'+
moveText+'!'+
'</span>';
goodMoves.black.excellent++;
}
if (delta <= -BRILLANT_MOVE_THRESOLD) {
node.innerHTML = '<span style="color: #1baca6;">'+
moveText+'!!'+
'</span>';
goodMoves.black.brillant++;
}
}
previousEval = currentEval;
}
}
})
}
}
});
return moves;
}
function handleOpeningMove(node, opening, currentColor) {
const moveText = node.innerHTML;
node.innerHTML = '<span style="color: #a88865;">'+
moveText+
' <i class="fas fa-book" style="font-size: 0.7em"></i>'+
'</span>'+
'<pre style="font-size:0.7em; width:0">'+opening.name+'</pre>';
node.parentElement.title = opening.name;
goodMoves[currentColor].book++;
}
function checkColor(index) {
if (0 === index%2) {
return "white";
}
if (0 !== index%2) {
return "black";
}
}
function createPgnMoves(moves) {
let pgn = '';
moves.forEach((move, index) => {
if ("white" === checkColor(index)) {
pgn += (index/2+1) + '. ' + move;
}
if ("black" === checkColor(index)) {
pgn += ' ' + move + ' ';
}
});
return pgn;
}
function showDataInTable() {
const whiteTable = document.getElementsByClassName('advice-summary__side')[0]
const blackTable = document.getElementsByClassName('advice-summary__side')[1]
function dataPoint(colour,symbol,data,text,table,coloured) {
var first = true
table.childNodes.forEach(node => {
if (node.innerHTML.includes('inaccuracies') && first === true) {
const before=node
const div = document.createElement('div');
if (data !== 0){
div.style='color: '+coloured;
}
div.classList.add('symbol');
div.classList.add('advice-summary__error');
div.setAttribute('data-color', colour);
div.setAttribute('data-symbol', symbol);
const strong = document.createElement('strong')
strong.innerHTML = data;
div.append(strong)
div.innerHTML = div.innerHTML+text;
table.insertBefore(div,before);
first = false
}
})
}
// White
dataPoint('white','!!',goodMoves.white.brillant,' brilliancies',whiteTable,'#1baca6')
dataPoint('white','!',goodMoves.white.excellent,' excellencies',whiteTable,'#96bc4b')
dataPoint('white','!?',goodMoves.white.good,' greats',whiteTable,'#b2f196')
dataPoint('white','Book',goodMoves.white.book,' book',whiteTable,'#a88865')
// Black
dataPoint('black','!!',goodMoves.black.brillant,' brilliancies',blackTable,'#1baca6')
dataPoint('black','!',goodMoves.black.excellent,' excellencies',blackTable,'#96bc4b')
dataPoint('black','!?',goodMoves.black.good,' greats',blackTable,'#b2f196')
dataPoint('black','Book',goodMoves.black.book,' book',blackTable,'#a88865')
}
function lichessGoodMoves(ecoCodes) {
console.log('Lichess Detailed Moves: Successfully started!');
loadMoves(ecoCodes);
showDataInTable();
}
// Start the app !
loadEcoCodesApi();
} // check if users is in analysis page
}, false); // addEventListener('load', callback)
})(); // Immediately-Invoked Function Expression (function() {})())
