public Board(int tx, int ty) {
		if (correctWidth(tx) && correctHeight(ty)) {
			this.tx = tx;
			this.ty = ty;
		} else {
			this.tx = Board.MINWIDTH;
			this.ty = Board.MINHEIGHT;
		}
		this.brd = new Counter[this.tx][this.ty];
		reset();
	}