var last_move_won = false;

	if (last_x == last_y) {
		last_move_won |= three_diagonally_down(board, last_symbol);
	}

	if (last_x + last_y == 2) {
		last_move_won |= three_diagonally_up(board, last_symbol);
	}

	last_move_won |= three_horizontally(board, last_y, last_symbol) || three_vertically(board, last_x, last_symbol);

	if (last_move_won) {
		return last_symbol.toUpperCase() + " wins!";
	} else if (no_moves_left) {
		return "Draw!";
	} else {
		return false;
	}