push @squares, [ $row, $col ];
}
}
- if (scalar @squares > 1) {
- # Filter out pieces which cannot reach this square.
- @squares = grep { $board->can_reach($piece, $_->[0], $_->[1], $to_row, $to_col) } @squares;
- }
- if (scalar @squares > 1) {
- # See if doing this move would put us in check
- # (yes, there are clients that expect us to do this).
- @squares = grep { !$board->make_move($_->[0], $_->[1], $to_row, $to_col, $promo)->in_check($side) } @squares;
- }
+
+ # Filter out pieces which cannot reach this square.
+ @squares = grep { $board->can_reach($piece, $_->[0], $_->[1], $to_row, $to_col) } @squares;
+
+ # See if doing this move would put us in check
+ # (yes, there are clients that expect us to do this).
+ @squares = grep { !$board->make_move($_->[0], $_->[1], $to_row, $to_col, $promo)->in_check($side) } @squares;
+
if (scalar @squares == 0) {
die "Impossible move $move";
}
$pretty = substr($move, 0, 1) . 'x' . _pos_to_square($to_row, $to_col);
} else {
$pretty = _pos_to_square($to_row, $to_col);
+ }
- if (defined($promo) && $promo ne '') {
- # promotion
- $pretty .= "=";
- $pretty .= uc($promo);
- }
+ if (defined($promo) && $promo ne '') {
+ # promotion
+ $pretty .= "=";
+ $pretty .= uc($promo);
}
return $pretty;
}