client/src/variants/Pawns.js

   1 import { ChessRules } from "@/base_rules";
   2
   3 export class PawnsRules extends ChessRules {
   4   static get PawnSpecs() {
   5     return Object.assign(
   6       {},
   7       ChessRules.PawnSpecs,
   8       // The promotion piece doesn't matter, the game is won
   9       { promotions: [V.QUEEN] }
  10     );
  11   }
  12
  13   static get HasFlags() {
  14     return false;
  15   }
  16
  17   static GenRandInitFen() {
  18     return "8/pppppppp/8/8/8/8/PPPPPPPP/8 w 0 -";
  19   }
  20
  21   filterValid(moves) {
  22     return moves;
  23   }
  24
  25   getCheckSquares() {
  26     return [];
  27   }
  28
  29   getCurrentScore() {
  30     const oppCol = V.GetOppCol(this.turn);
  31     if (this.board.some(b =>
  32       b.some(cell => cell[0] == oppCol && cell[1] != V.PAWN))
  33     ) {
  34       return (oppCol == 'w' ? "1-0" : "0-1");
  35     }
  36     if (!this.atLeastOneMove()) return "1/2";
  37     return "*";
  38   }
  39 };