Fix yet more castling issues.
[remoteglot] / remoteglot.pl
old mode 100644 (file)
new mode 100755 (executable)
index c64fb41..c960bb2
@@ -23,31 +23,47 @@ $| = 1;
 my $server = "freechess.org";
 my $target = "Sesse";
 # my $engine = "/usr/games/toga2";
-my $engine = "wine rybka22-mpw32.exe";
+my $engine = "wine Rybkav2.3.2a.mp.w32.exe";
+
+open(FICSLOG, ">ficslog.txt")
+       or die "ficslog.txt: $!";
+print FICSLOG "Log starting.\n";
+select(FICSLOG);
+$| = 1;
+
+open(UCILOG, ">ucilog.txt")
+       or die "ucilog.txt: $!";
+print UCILOG "Log starting.\n";
+select(UCILOG);
+$| = 1;
+select(STDOUT);
 
 # open the chess engine
 my $pid = IPC::Open2::open2(*UCIREAD, *UCIWRITE, $engine);
 my %uciinfo = ();
 my %ficsinfo = ();
-print UCIWRITE "uci\n";
+
+uciprint("uci");
 
 # gobble the options
 while (<UCIREAD>) {
        /uciok/ && last;
 }
 
-print UCIWRITE "setoption name UCI_AnalyseMode value true\n";
-print UCIWRITE "setoption name NalimovPath value c:\\nalimov\n";
-print UCIWRITE "setoption name NalimovUsage value Normally\n";
-# print UCIWRITE "setoption name Contempt value 1000\n";
-# print UCIWRITE "setoption name Outlook value Ultra Optimistic\n";
-print UCIWRITE "ucinewgame\n";
+uciprint("setoption name UCI_AnalyseMode value true");
+uciprint("setoption name NalimovPath value c:\\nalimov");
+uciprint("setoption name NalimovUsage value Rarely");
+uciprint("setoption name Hash value 1024");
+# uciprint("setoption name MultiPV value 3");
+# uciprint("setoption name Contempt value 1000");
+# uciprint("setoption name Outlook value Ultra Optimistic");
+uciprint("ucinewgame");
 
 print "Chess engine ready.\n";
 
 # now talk to FICS
 my $t = Net::Telnet->new(Timeout => 10, Prompt => '/fics% /');
-#$t->input_log(\*STDOUT);
+$t->input_log(\*FICSLOG);
 $t->open($server);
 $t->print("guest");
 $t->waitfor('/Press return to enter the server/');
@@ -63,10 +79,11 @@ $t->cmd("observe $target");
 print "FICS ready.\n";
 while (1) {
        my $rin = '';
+       my $rout;
        vec($rin, fileno(UCIREAD), 1) = 1;
        vec($rin, fileno($t), 1) = 1;
 
-       my ($nfound, $timeleft) = select($rin, undef, undef, 5.0);
+       my ($nfound, $timeleft) = select($rout=$rin, undef, undef, 5.0);
        my $sleep = 1.0;
 
        while (1) {
@@ -77,23 +94,20 @@ while (1) {
                $line =~ tr/\r//d;
                if ($line =~ /^<12> /) {
                        my $fen = style12_to_fen($line);
-                       print UCIWRITE "stop\n";
-                       print UCIWRITE "position fen $fen\n";
-                       print UCIWRITE "go infinite\n";
-                       #print "stop\n";
-                       #print "position fen $fen\n";
-                       #print "go infinite\n";
+                       uciprint("stop");
+                       uciprint("position fen $fen");
+                       uciprint("go infinite");
                }
                #print "FICS: [$line]\n";
                $sleep = 0;
        }
        
        # any fun on the UCI channel?
-       if (vec($rin, fileno(UCIREAD), 1)) {
+       if ($nfound > 0 && vec($rout, fileno(UCIREAD), 1) == 1) {
                my $line = <UCIREAD>;
                chomp $line;
                $line =~ tr/\r//d;
-               #print "UCI: $line\n";
+               print UCILOG "<= $line\n";
                if ($line =~ /^info/) {
                        my (@infos) = split / /, $line;
                        shift @infos;
@@ -111,27 +125,39 @@ while (1) {
 
 sub parse_infos {
        my (@x) = @_;
+       my $mpv = '';
 
        while (scalar @x > 0) {
-               if ($x[0] =~ /^(currmove|currmovenumber|time|nodes|nps|cpuload|hashfull|depth|seldepth|multipv|time|tbhits)$/) {
+               if ($x[0] =~ 'multipv') {
+                       shift @x;
+                       $mpv = shift @x;
+                       next;
+               }
+               if ($x[0] =~ /^(currmove|currmovenumber|cpuload)$/) {
                        my $key = shift @x;
                        my $value = shift @x;
                        $uciinfo{$key} = $value;
                        next;
                }
+               if ($x[0] =~ /^(depth|seldepth|hashfull|time|nodes|nps|tbhits)$/) {
+                       my $key = shift @x;
+                       my $value = shift @x;
+                       $uciinfo{$key . $mpv} = $value;
+                       next;
+               }
                if ($x[0] eq 'score') {
                        shift @x;
 
-                       delete $uciinfo{'score_cp'};
-                       delete $uciinfo{'score_mate'};
+                       delete $uciinfo{'score_cp' . $mpv};
+                       delete $uciinfo{'score_mate' . $mpv};
 
                        while ($x[0] =~ /^(cp|mate|lowerbound|upperbound)$/) {
                                if ($x[0] eq 'cp') {
                                        shift @x;
-                                       $uciinfo{'score_cp'} = shift @x;
+                                       $uciinfo{'score_cp' . $mpv} = shift @x;
                                } elsif ($x[0] eq 'mate') {
                                        shift @x;
-                                       $uciinfo{'score_mate'} = shift @x;
+                                       $uciinfo{'score_mate' . $mpv} = shift @x;
                                } else {
                                        shift @x;
                                }
@@ -139,10 +165,10 @@ sub parse_infos {
                        next;
                }
                if ($x[0] eq 'pv') {
-                       $uciinfo{'pv'} = [ @x[1..$#x] ];
+                       $uciinfo{'pv' . $mpv} = [ @x[1..$#x] ];
                        last;
                }
-               if ($x[0] eq 'UCI_AnalyseMode' || $x[0] eq 'setting' || $x[0] eq 'contempt') {
+               if ($x[0] eq 'string' || $x[0] eq 'UCI_AnalyseMode' || $x[0] eq 'setting' || $x[0] eq 'contempt') {
                        last;
                }
 
@@ -184,11 +210,28 @@ sub style12_to_fen {
        # en passant
        my $ep = "-";
        if ($x[10] != -1) {
-               $ep = (qw(a b c d e f g h))[$x[10]];
+               my $col = $x[10];
+               my $nep = (qw(a b c d e f g h))[$col];
+
+               if ($x[9] eq 'B') {
+                       $nep .= "3";
+               } else {
+                       $nep .= "6";
+               }
+               
+               #
+               # Showing the en passant square when actually no capture can be made
+               # seems to confuse at least Rybka. Thus, check if there's actually
+               # a pawn of the opposite side that can do the en passant move, and if
+               # not, just lie -- it doesn't matter anyway. I'm unsure what's the
+               # "right" thing as per the standard, though.
+               #
                if ($x[9] eq 'B') {
-                       $ep .= "3";
+                       $ep = $nep if ($col > 0 && substr($board[4], $col-1, 1) eq 'p');
+                       $ep = $nep if ($col < 7 && substr($board[4], $col+1, 1) eq 'p');
                } else {
-                       $ep .= "6";
+                       $ep = $nep if ($col > 0 && substr($board[3], $col-1, 1) eq 'P');
+                       $ep = $nep if ($col < 7 && substr($board[3], $col+1, 1) eq 'P');
                }
        }
        $fen .= " ";
@@ -237,7 +280,7 @@ sub prettyprint_pv {
        }
 
        # white long castling
-       if ($pv eq 'e1b1' && $piece eq 'K') {
+       if ($pv eq 'e1c1' && $piece eq 'K') {
                my @nb = @$board;
 
                # king
@@ -246,7 +289,7 @@ sub prettyprint_pv {
                
                # rook
                substr($nb[7], 0, 1, '-');
-               substr($nb[7], 2, 1, 'R');
+               substr($nb[7], 3, 1, 'R');
                                
                return ('0-0-0', prettyprint_pv(\@nb, @pvs));
        }
@@ -261,13 +304,13 @@ sub prettyprint_pv {
                
                # rook
                substr($nb[0], 7, 1, '-');
-               substr($nb[0], 5, 1, 'R');
+               substr($nb[0], 5, 1, 'r');
                                
                return ('0-0', prettyprint_pv(\@nb, @pvs));
        }
 
        # black long castling
-       if ($pv eq 'e8b8' && $piece eq 'k') {
+       if ($pv eq 'e8c8' && $piece eq 'k') {
                my @nb = @$board;
 
                # king
@@ -276,7 +319,7 @@ sub prettyprint_pv {
                
                # rook
                substr($nb[0], 0, 1, '-');
-               substr($nb[0], 2, 1, 'R');
+               substr($nb[0], 3, 1, 'r');
                                
                return ('0-0-0', prettyprint_pv(\@nb, @pvs));
        }
@@ -364,26 +407,66 @@ sub output_screen {
        #return;
 
        print  "\ecAnalysis:\n";
-       if (defined($uciinfo{'score_mate'})) {
-               printf "  Mate in %d\n", $uciinfo{'score_mate'};
+
+       return unless (exists($ficsinfo{'board'}));
+
+       if (exists($uciinfo{'pv1'})) {
+               # multi-PV
+               my $mpv = 1;
+               while (exists($uciinfo{'pv' . $mpv})) {
+                       printf "  PV%2u", $mpv;
+
+                       if (defined($uciinfo{'score_mate' . $mpv})) {
+                               printf " (M%3d)", $uciinfo{'score_mate' . $mpv};
+                       } else {
+                               if (exists($uciinfo{'score_cp' . $mpv})) {
+                                       my $score = $uciinfo{'score_cp' . $mpv} * 0.01;
+                                       if ($ficsinfo{'toplay'} eq 'B') {
+                                               $score = -$score;
+                                       }
+                                       printf " (%+5.2f)", $score;
+                               }
+                       }
+                       
+                       if (exists($uciinfo{'nodes' . $mpv}) && exists($uciinfo{'nps' . $mpv}) && exists($uciinfo{'depth' . $mpv})) {
+                               printf " (%5u kn, %3u kn/s, %2u ply)",
+                                       $uciinfo{'nodes' . $mpv} / 1000, $uciinfo{'nps' . $mpv} / 1000, $uciinfo{'depth' . $mpv};
+                       }
+
+                       print ":\n";
+                       print "  ", join(', ', prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv' . $mpv}})), "\n";
+                       print "\n";
+                       ++$mpv;
+               }
        } else {
-               my $score = $uciinfo{'score_cp'} * 0.01;
-               if ($ficsinfo{'toplay'} eq 'B') {
-                       $score = -$score;
+               # single-PV
+               if (defined($uciinfo{'score_mate'})) {
+                       printf "  Mate in %d\n", $uciinfo{'score_mate'};
+               } else {
+                       if (exists($uciinfo{'score_cp'})) {
+                               my $score = $uciinfo{'score_cp'} * 0.01;
+                               if ($ficsinfo{'toplay'} eq 'B') {
+                                       $score = -$score;
+                               }
+                               printf "  Score: %+5.2f\n", $score;
+                       }
                }
-               printf "  Score: %+5.2f\n", $score;
-       }
-       print  "  PV: ", join(', ', prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv'}}));
-       print  "\n";
-       printf "  %u nodes, %7u nodes/sec, depth %u ply",
-               $uciinfo{'nodes'}, $uciinfo{'nps'}, $uciinfo{'depth'};
-       if (exists($uciinfo{'tbhits'})) {
-               printf ", %u Nalimov hits", $uciinfo{'tbhits'};
-       }
-       if (exists($uciinfo{'seldepth'})) {
-               printf " (%u selective)", $uciinfo{'seldepth'};
+
+               print  "  PV: ", join(', ', prettyprint_pv($ficsinfo{'board'}, @{$uciinfo{'pv'}}));
+               print  "\n";
+
+               if (exists($uciinfo{'nodes'}) && exists($uciinfo{'nps'}) && exists($uciinfo{'depth'})) {
+                       printf "  %u nodes, %7u nodes/sec, depth %u ply",
+                               $uciinfo{'nodes'}, $uciinfo{'nps'}, $uciinfo{'depth'};
+               }
+               if (exists($uciinfo{'tbhits'})) {
+                       printf ", %u Nalimov hits", $uciinfo{'tbhits'};
+               }
+               if (exists($uciinfo{'seldepth'})) {
+                       printf " (%u selective)", $uciinfo{'seldepth'};
+               }
+               print  "\n\n";
        }
-       print  "\n\n";
 }
 
 sub find_kings {
@@ -572,3 +655,9 @@ sub can_reach {
        # unknown piece
        return 0;
 }
+
+sub uciprint {
+       my $msg = shift;
+       print UCIWRITE "$msg\n";
+       print UCILOG "=> $msg\n";
+}