}
# Get stats for the root position, for the human index.
-my $start_pos = Position->start_pos;
+my $start_pos = Position->start_pos("white", "black");
my ($json_start_pos, undef) = get_json_move($start_pos, 0, $chld_in, $chld_out);
my $total_games = $json_start_pos->{'white'} + $json_start_pos->{'draw'} + $json_start_pos->{'black'};
my $computer_games = $json_start_pos->{'computer'} * 1;