client/src/variants/Pawns.js

   1 import { ChessRules } from "@/base_rules";
   2
   3 export class PawnsRules extends ChessRules {
   4
   5   static get PawnSpecs() {
   6     return Object.assign(
   7       {},
   8       ChessRules.PawnSpecs,
   9       // The promotion piece doesn't matter, the game is won
  10       { promotions: [V.QUEEN] }
  11     );
  12   }
  13
  14   static get HasFlags() {
  15     return false;
  16   }
  17
  18   scanKings() {}
  19
  20   static GenRandInitFen() {
  21     return "8/pppppppp/8/8/8/8/PPPPPPPP/8 w 0 -";
  22   }
  23
  24   filterValid(moves) {
  25     return moves;
  26   }
  27
  28   getCheckSquares() {
  29     return [];
  30   }
  31
  32   getCurrentScore() {
  33     const oppCol = V.GetOppCol(this.turn);
  34     if (this.board.some(b =>
  35       b.some(cell => cell[0] == oppCol && cell[1] != V.PAWN))
  36     ) {
  37       return (oppCol == 'w' ? "1-0" : "0-1");
  38     }
  39     if (!this.atLeastOneMove()) return "1/2";
  40     return "*";
  41   }
  42
  43   postPlay() {}
  44   postUndo() {}
  45
  46   static get SEARCH_DEPTH() {
  47     return 4;
  48   }
  49
  50 };