return ([V.CHAMPION, V.WIZARD].includes(b[1]) ? "Omega/" : "") + b;
}
+ static IsGoodPosition(position) {
+ if (position.length == 0) return false;
+ const rows = position.split("/");
+ if (rows.length != V.size.x) return false;
+ let kings = { "k": 0, "K": 0 };
+ for (let row of rows) {
+ let sumElts = 0;
+ for (let i = 0; i < row.length; i++) {
+ if (['K','k'].includes(row[i])) kings[row[i]]++;
+ if (['x'].concat(V.PIECES).includes(row[i].toLowerCase())) sumElts++;
+ else {
+ const num = parseInt(row[i]);
+ if (isNaN(num)) return false;
+ sumElts += num;
+ }
+ }
+ if (sumElts != V.size.y) return false;
+ }
+ if (Object.values(kings).some(v => v != 1)) return false;
+ return true;
+ }
+
// NOTE: keep this extensive check because the board has holes
static IsGoodEnpassant(enpassant) {
if (enpassant != "-") {
}
}
- getEnpassanCaptures([x, y], shiftX) {
+ getEnpassantCaptures([x, y], shiftX) {
const Lep = this.epSquares.length;
const epSquare = this.epSquares[Lep - 1];
let moves = [];
k: 1000
};
}
+
+ evalPosition() {
+ let evaluation = 0;
+ for (let i = 0; i < V.size.x; i++) {
+ for (let j = 0; j < V.size.y; j++) {
+ if (![V.EMPTY,V.NOTHING].includes(this.board[i][j])) {
+ const sign = this.getColor(i, j) == "w" ? 1 : -1;
+ evaluation += sign * V.VALUES[this.getPiece(i, j)];
+ }
+ }
+ }
+ return evaluation;
+ }
};