+export class GrasshopperRules extends ChessRules {
+
+ static get HasEnpassant() {
+ return false;
+ }
+
+ static get PawnSpecs() {
+ return Object.assign(
+ {},
+ ChessRules.PawnSpecs,
+ { promotions: ChessRules.PawnSpecs.promotions.concat([V.GRASSHOPPER]) }
+ );
+ }
+