// No: if happen on last 1/2 move, could lead to forbidden moves, wrong evals
return this.filterValid(potentialMoves);
}
-
+
// Stop at the first move found
atLeastOneMove()
{
const color = this.turn;
const oppCol = this.getOppCol(color);
let [sizeX,sizeY] = VariantRules.size;
- for (var i=0; i<sizeX; i++)
+ for (let i=0; i<sizeX; i++)
{
- for (var j=0; j<sizeY; j++)
+ for (let j=0; j<sizeY; j++)
{
if (this.board[i][j] != VariantRules.EMPTY && this.getColor(i,j) != oppCol)
{
const moves = this.getPotentialMovesFrom([i,j]);
if (moves.length > 0)
{
- for (let i=0; i<moves.length; i++)
+ for (let k=0; k<moves.length; k++)
{
- if (this.filterValid([moves[i]]).length > 0)
+ if (this.filterValid([moves[k]]).length > 0)
return true;
}
}
getComputerMove()
{
const color = this.turn;
-
- // Rank moves using a min-max at depth 2
let moves1 = this.getAllValidMoves();
+ // Rank moves using a min-max at depth 2
for (let i=0; i<moves1.length; i++)
{
moves1[i].eval = (color=="w" ? -1 : 1) * 1000; //very low, I'm checkmated
for (let j=1; j<moves1.length && moves1[j].eval == moves1[0].eval; j++)
candidates.push(j);
- //console.log(moves1.map(m => { return [this.getNotation(m), m.eval]; }));
+// console.log(moves1.map(m => { return [this.getNotation(m), m.eval]; }));
return moves1[_.sample(candidates, 1)];
}
}
// Translate final square
- let finalSquare =
+ const finalSquare =
String.fromCharCode(97 + move.end.y) + (VariantRules.size[0]-move.end.x);
- let piece = this.getPiece(move.start.x, move.start.y);
+ const piece = this.getPiece(move.start.x, move.start.y);
if (piece == VariantRules.PAWN)
{
// Pawn move
if (move.vanish.length > move.appear.length)
{
// Capture
- let startColumn = String.fromCharCode(97 + move.start.y);
+ const startColumn = String.fromCharCode(97 + move.start.y);
notation = startColumn + "x" + finalSquare;
}
else //no capture
else
{
// Piece movement
- return piece.toUpperCase() + (move.vanish.length > 1 ? "x" : "") + finalSquare;
+ return piece.toUpperCase() +
+ (move.vanish.length > move.appear.length ? "x" : "") + finalSquare;
}
}
pgn += '[Site "vchess.club"]<br>';
const d = new Date();
const opponent = mode=="human" ? "Anonymous" : "Computer";
+ pgn += '[Variant "' + variant + '"]<br>';
pgn += '[Date "' + d.getFullYear() + '-' + (d.getMonth()+1) + '-' + d.getDate() + '"]<br>';
pgn += '[White "' + (mycolor=='w'?'Myself':opponent) + '"]<br>';
pgn += '[Black "' + (mycolor=='b'?'Myself':opponent) + '"]<br>';