Fix another off-by-one bug that was introduced while fixing the others.

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index 0748dcecef86a71cf14db1b15996a57eea853870..1f4c2a587694ff6eae27bb07f7f2d3835bb6965e 100644 (file)
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -1060,10 +1060,20 @@ var update_board = function() {
                        headline += ' after ' + last_move;
                }
        } else if (data['position']['last_move'] !== 'none') {
                        headline += ' after ' + last_move;
                }
        } else if (data['position']['last_move'] !== 'none') {

+               // Find the previous move.
+               var previous_move_num, previous_toplay;
+               if (data['position']['toplay'] == 'B') {
+                       previous_move_num = data['position']['move_num'];
+                       previous_toplay = 'W';
+               } else {
+                       previous_move_num = data['position']['move_num'] - 1;
+                       previous_toplay = 'B';
+               }
+

                last_move = format_move_with_number(
                        data['position']['last_move'],
                last_move = format_move_with_number(
                        data['position']['last_move'],

-                       data['position']['move_num'],
-                       data['position']['toplay'] == 'B');
+                       previous_move_num,
+                       previous_toplay == 'W');

                headline += ' after ' + last_move;
        } else {
                last_move = null;
                headline += ' after ' + last_move;
        } else {
                last_move = null;