Make the Chess960 storage/test a bit more efficient.

[remoteglot] / remoteglot.pl

diff --git a/remoteglot.pl b/remoteglot.pl
index 7f4fd3c2ddc58d03fff0b0a276236572cfffe993..dec440bafd4137ade2da8cedd6dd4f1c3706e1f6 100755 (executable)
--- a/remoteglot.pl
+++ b/remoteglot.pl
@@ -296,6 +296,12 @@ sub handle_pgn {
                        } else {
                                $pos = Position->start_pos($white, $black);
                        }
+                       if (exists($tags->{'Variant'}) &&
+                           $tags->{'Variant'} =~ /960|fischer/i) {
+                               $pos->{'chess960'} = 1;
+                       } else {
+                               $pos->{'chess960'} = 0;
+                       }
                        my $moves = $pgn->moves;
                        my @uci_moves = ();
                        my @repretty_moves = ();
@@ -386,6 +392,10 @@ sub handle_position {
        # It's wrong to just give the FEN (the move history is useful,
        # and per the UCI spec, we should really have sent "ucinewgame"),
        # but it's easier, and it works around a Stockfish repetition issue.
+       if ($engine->{'chess960'} != $pos->{'chess960'}) {
+               uciprint($engine, "setoption UCI_Chess960 " . ($pos->{'chess960'} ? 'true' : 'false'));
+               $engine->{'chess960'} = $pos->{'chess960'};
+       }
        uciprint($engine, "position fen " . $pos->fen());
        uciprint($engine, "go infinite");
        $pos_calculating = $pos;
@@ -395,6 +405,10 @@ sub handle_position {
                        $engine2->{'stopping'} = 1;
                        uciprint($engine2, "stop");
                }
+               if ($engine2->{'chess960'} != $pos->{'chess960'}) {
+                       uciprint($engine2, "setoption UCI_Chess960 " . ($pos->{'chess960'} ? 'true' : 'false'));
+                       $engine2->{'chess960'} = $pos->{'chess960'};
+               }
                uciprint($engine2, "position fen " . $pos->fen());
                uciprint($engine2, "go infinite");
                $pos_calculating_second_engine = $pos;