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   scanKings() {}
  18
  19   static GenRandInitFen() {
  20     return "8/pppppppp/8/8/8/8/PPPPPPPP/8 w 0 -";
  21   }
  22
  23   filterValid(moves) {
  24     return moves;
  25   }
  26
  27   getCheckSquares() {
  28     return [];
  29   }
  30
  31   getCurrentScore() {
  32     const oppCol = V.GetOppCol(this.turn);
  33     if (this.board.some(b =>
  34       b.some(cell => cell[0] == oppCol && cell[1] != V.PAWN))
  35     ) {
  36       return (oppCol == 'w' ? "1-0" : "0-1");
  37     }
  38     if (!this.atLeastOneMove()) return "1/2";
  39     return "*";
  40   }
  41
  42   postPlay() {}
  43   postUndo() {}
  44
  45   static get SEARCH_DEPTH() {
  46     return 4;
  47   }
  48 };