+ static IsGoodPosition(position) {
+ if (position.length == 0) return false;
+ const rows = position.split("/");
+ if (rows.length != V.size.x) return false;
+ // Just check that at least one piece of each color is there:
+ let pieces = { "w": 0, "b": 0 };
+ for (let row of rows) {
+ let sumElts = 0;
+ for (let i = 0; i < row.length; i++) {
+ const lowerRi = row[i].toLowerCase();
+ if (V.PIECES.includes(lowerRi)) {
+ pieces[row[i] == lowerRi ? "b" : "w"]++;
+ sumElts++;
+ }
+ else {
+ const num = parseInt(row[i], 10);
+ if (isNaN(num)) return false;
+ sumElts += num;
+ }
+ }
+ if (sumElts != V.size.y) return false;
+ }
+ if (Object.values(pieces).some(v => v == 0)) return false;
+ return true;
+ }
+
+ scanKings() {}
+