import { ChessRules, PiPo, Move } from "@/base_rules";
export const VariantRules = class RifleRules extends ChessRules {
+ getEpSquare(moveOrSquare) {
+ if (typeof moveOrSquare !== "object" || moveOrSquare.appear.length > 0)
+ return super.getEpSquare(moveOrSquare);
+ // Capturing move: no en-passant
+ return undefined;
+ }
+
getBasicMove([sx, sy], [ex, ey], tr) {
let mv = new Move({
appear: [],