// No valid move: our king disappeared
return this.turn == "w" ? "0-1" : "1-0";
}
+
+ static get THRESHOLD_MATE() {
+ return 500; //checkmates evals may be slightly below 1000
+ }
+
+ getComputerMove()
+ {
+ let moves1 = this.getAllValidMoves();
+ // Can I mate in 1 ?
+ for (let i of _.shuffle(_.range(moves1.length)))
+ {
+ this.play(moves1[i]);
+ const finish = (Math.abs(this.evalPosition()) >= VariantRules.THRESHOLD_MATE);
+ this.undo(moves1[i]);
+ if (finish)
+ return moves1[i];
+ }
+ return super.getComputerMove(moves1);
+ }
}