my $telltarget = undef; # undef to be silent
my @tell_intervals = (5, 20, 60, 120, 240, 480, 960); # after each move
my $uci_assume_full_compliance = 0; # dangerous :-)
-my $update_max_interval = 2.0;
-my $second_engine_start_depth = 8;
+my $update_max_interval = 1.0;
my @masters = (
'Sesse',
'Sessse',
my ($last_move, $last_tell);
my $last_text = '';
my $last_told_text = '';
-my ($pos_waiting, $pos_calculating, $move_calculating_second_engine);
-my %refutation_moves = ();
+my ($pos_waiting, $pos_calculating, $pos_calculating_second_engine);
uciprint($engine, "setoption name UCI_AnalyseMode value true");
# uciprint($engine, "setoption name NalimovPath value /srv/tablebase");
uciprint($engine2, "setoption name NalimovUsage value Rarely");
uciprint($engine2, "setoption name Hash value 1024");
uciprint($engine2, "setoption name Threads value 8");
-# uciprint($engine2, "setoption name MultiPV value 2");
+uciprint($engine2, "setoption name MultiPV value 500");
uciprint($engine2, "ucinewgame");
print "Chess engine ready.\n";
$pos_calculating = $pos;
}
- %refutation_moves = calculate_refutation_moves($pos);
- if (defined($move_calculating_second_engine)) {
+ if (defined($pos_calculating_second_engine)) {
uciprint($engine2, "stop");
- $move_calculating_second_engine = undef;
} else {
- give_new_move_to_second_engine($pos);
+ uciprint($engine2, "position fen " . $pos->{'fen'});
+ uciprint($engine2, "go infinite");
+ $pos_calculating_second_engine = $pos;
}
$engine->{'info'} = {};
$pos_waiting = undef;
}
} else {
- if (defined($move_calculating_second_engine)) {
- my $move = $refutation_moves{$move_calculating_second_engine};
- $move->{'pv'} = $engine->{'info'}{'pv'} // $engine->{'info'}{'pv1'};
- $move->{'score_cp'} = $engine->{'info'}{'score_cp'} // $engine->{'info'}{'score_cp1'} // 0;
- $move->{'score_mate'} = $engine->{'info'}{'score_mate'} // $engine->{'info'}{'score_mate1'};
- $move->{'toplay'} = $pos_calculating->{'toplay'};
- }
- give_new_move_to_second_engine($pos_waiting // $pos_calculating);
+ $engine2->{'info'} = {};
+ my $pos = $pos_waiting // $pos_calculating;
+ uciprint($engine2, "position fen " . $pos->{'fen'});
+ uciprint($engine2, "go infinite");
+ $pos_calculating_second_engine = $pos;
}
}
}
$pos{'black_castle_q'} = $x[14];
$pos{'time_to_100move_rule'} = $x[15];
$pos{'move_num'} = $x[26];
+ if ($x[27] =~ /([a-h][1-8])-([a-h][1-8])/) {
+ $pos{'last_move_uci'} = $1 . $2;
+ } else {
+ $pos{'last_move_uci'} = undef;
+ }
$pos{'last_move'} = $x[29];
$pos{'fen'} = make_fen(\%pos);
#$text .= book_info($pos_calculating->{'fen'}, $pos_calculating->{'board'}, $pos_calculating->{'toplay'});
my @refutation_lines = ();
- for my $move (keys %refutation_moves) {
+ for (my $mpv = 1; $mpv < 500; ++$mpv) {
+ my $info = $engine2->{'info'};
+ last if (!exists($info->{'pv' . $mpv}));
eval {
- my $m = $refutation_moves{$move};
- die if ($m->{'depth'} < $second_engine_start_depth);
- my $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $move));
- my @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, $move, @{$m->{'pv'}});
+ my $pv = $info->{'pv' . $mpv};
+
+ my $pretty_move = join('', prettyprint_pv($pos_calculating_second_engine->{'board'}, $pv->[0]));
+ my @pretty_pv = prettyprint_pv($pos_calculating_second_engine->{'board'}, @$pv);
if (scalar @pretty_pv > 5) {
@pretty_pv = @pretty_pv[0..4];
push @pretty_pv, "...";
}
- #my $key = score_sort_key($refutation_moves{$move}, $pos_calculating, '', 1);
my $key = $pretty_move;
my $line = sprintf(" %-6s %6s %3s %s",
$pretty_move,
- short_score($refutation_moves{$move}, $pos_calculating, '', 1),
- "d" . $m->{'depth'},
+ short_score($info, $pos_calculating_second_engine, $mpv, 0),
+ "d" . $info->{'depth' . $mpv},
join(', ', @pretty_pv));
push @refutation_lines, [ $key, $line ];
};
$json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}}) ];
my %refutation_lines = ();
- for my $move (keys %refutation_moves) {
- my $m = $refutation_moves{$move};
+ my @refutation_lines = ();
+ for (my $mpv = 1; $mpv < 500; ++$mpv) {
+ my $info = $engine2->{'info'};
my $pretty_move = "";
my @pretty_pv = ();
+ last if (!exists($info->{'pv' . $mpv}));
+
eval {
- $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $move));
- @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, $move, @{$m->{'pv'}});
- };
- $refutation_lines{$move} = {
- sort_key => $pretty_move,
- depth => $m->{'depth'},
- score_sort_key => score_sort_key($refutation_moves{$move}, $pos_calculating, '', 1),
- pretty_score => short_score($refutation_moves{$move}, $pos_calculating, '', 1),
- pretty_move => $pretty_move,
- pv_pretty => \@pretty_pv,
- };
- eval {
- $refutation_lines{$move}->{'pv_uci'} = [ $move, @{$m->{'pv'}} ];
+ my $pv = $info->{'pv' . $mpv};
+ my $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $pv->[0]));
+ my @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, @$pv);
+ $refutation_lines{$pv->[0]} = {
+ sort_key => $pretty_move,
+ depth => $info->{'depth' . $mpv},
+ score_sort_key => score_sort_key($info, $pos_calculating, $mpv, 0),
+ pretty_score => short_score($info, $pos_calculating, $mpv, 0),
+ pretty_move => $pretty_move,
+ pv_pretty => \@pretty_pv,
+ };
+ $refutation_lines{$pv->[0]}->{'pv_uci'} = $pv;
};
}
$json->{'refutation_lines'} = \%refutation_lines;
return @lines;
}
-# Find all possible legal moves.
-sub calculate_refutation_moves {
- my $pos = shift;
- my $board = $pos->{'board'};
- my %refutation_moves = ();
- for my $col (0..7) {
- for my $row (0..7) {
- my $piece = substr($board->[$row], $col, 1);
-
- # Check that there's a piece of the right color on this square.
- next if ($piece eq '-');
- if ($pos->{'toplay'} eq 'W') {
- next if ($piece ne uc($piece));
- } else {
- next if ($piece ne lc($piece));
- }
-
- for my $to_col (0..7) {
- for my $to_row (0..7) {
- next if ($col == $to_col && $row == $to_row);
- next unless (can_reach($board, $piece, $row, $col, $to_row, $to_col));
-
- my $promo = ""; # FIXME
- my $nb = make_move($board, $row, $col, $to_row, $to_col, $promo);
- my $check = in_check($nb);
- next if ($check eq 'both');
- if ($pos->{'toplay'} eq 'W') {
- next if ($check eq 'white');
- } else {
- next if ($check eq 'black');
- }
- my $move = move_to_uci_notation($row, $col, $to_row, $to_col, $promo);
- $refutation_moves{$move} = { depth => $second_engine_start_depth - 1, score_cp => 0, pv => '' };
- }
- }
- }
- }
- return %refutation_moves;
-}
-
-sub give_new_move_to_second_engine {
- my $pos = shift;
-
- # Find the move that's been analyzed the shortest but is most promising.
- # Tie-break on UCI move representation.
- my $best_move = undef;
- for my $move (sort keys %refutation_moves) {
- if (!defined($best_move)) {
- $best_move = $move;
- next;
- }
- my $best = $refutation_moves{$best_move};
- my $this = $refutation_moves{$move};
-
- if ($this->{'depth'} < $best->{'depth'} ||
- ($this->{'depth'} == $best->{'depth'} && score_sort_key($this, $pos, '', 1) > score_sort_key($best, $pos, '', 1))) {
- $best_move = $move;
- next;
- }
- }
-
- my $m = $refutation_moves{$best_move};
- ++$m->{'depth'};
- uciprint($engine2, "position fen " . $pos->{'fen'} . " moves " . $best_move);
- uciprint($engine2, "go depth " . $m->{'depth'});
- $move_calculating_second_engine = $best_move;
-}
-
sub col_letter_to_num {
return ord(shift) - ord('a');
}
projects / remoteglot / blobdiff