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strict practice "mate in" requirement - closes #2657

pull/2676/head
Thibault Duplessis 2017-02-14 02:05:41 +01:00
parent 1e821189c4
commit 1fa898255b
1 changed files with 14 additions and 3 deletions
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17
ui/analyse/src/study/practice/studyPracticeSuccess.js
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@ -9,6 +9,13 @@ function isWinning(node, goalCp, color) {
var cp = node.ceval.mate > 0 ? 99999 : (node.ceval.mate < 0 ? -99999 : node.ceval.cp);
return color === 'white' ? cp >= goalCp : cp <= goalCp;
}
// returns null if not deep enough to know
function myMateIn(node, color) {
if (!hasSolidEval(node)) return null;
if (!node.ceval.mate) return false;
var mateIn = node.ceval.mate * (color === 'white' ? 1 : -1);
return mateIn > 0 ? mateIn : false;
}
function hasSolidEval(node) {
return node.ceval && node.ceval.depth >= 16;
@ -17,9 +24,11 @@ function hasSolidEval(node) {
function isMate(root) {
return root.gameOver() === 'checkmate';
}
function isMyMate(root) {
return isMate(root) && root.turnColor() !== root.bottomColor();
}
function isTheirMate(root) {
return isMate(root) && root.turnColor() === root.bottomColor();
}
@ -41,15 +50,17 @@ module.exports = function(root, goal, nbMoves) {
if (isDrawish(node) === false) return false;
if (nbMoves > goal.moves) return false;
if (root.gameOver() === 'draw') return true;
if (nbMoves === goal.moves) return isDrawish(node);
if (nbMoves >= goal.moves) return isDrawish(node);
break;
case 'evalIn':
if (nbMoves === goal.moves) return isWinning(node, goal.cp, root.bottomColor());
if (nbMoves >= goal.moves) return isWinning(node, goal.cp, root.bottomColor());
break;
case 'mateIn':
if (nbMoves > goal.moves) return false;
if (isMyMate(root)) return true;
if (nbMoves === goal.moves) return false;
var mateIn = myMateIn(node, root.bottomColor());
if (mateIn === null) return null;
if (!mateIn || mateIn + nbMoves > goal.moves) return false;
break;
case 'promotion':
if (!node.uci[4]) return null;