+our $target = "GMCarlsen"; # FICS username or HTTP to a PGN file.
+
+# Set to non-undef to pick out one specific game from a PGN file with many games.
+# See example.
+our $pgn_filter = undef;
+#our $pgn_filter = sub {
+# my $pgn = shift;
+# return $pgn->round() eq '7' && $pgn->white eq 'Carlsen,M';
+#};
+