diff --git a/src/constraints/conversion_2.mzn b/src/constraints/conversion_2.mzn
index 4c8c61b2433b6fdf82083fb4c1d492673db5007c..9c11664e55fdb444812d727d84515036e4e1e998 100644
--- a/src/constraints/conversion_2.mzn
+++ b/src/constraints/conversion_2.mzn
@@ -40,7 +40,10 @@ array [1..n_moving_obj, 1..n_operations] of bool : moving_op_of_obj;
     constraint forall (loc in 1..n_locations, t in 0..n_intervals where (loc mod 2) = 0) (
         obj_in_loc_counter[loc, t] = (sum (obj in 1..n_moving_obj) (m_obj_loc[obj, t + 1] = loc)) % Швартовка и нахождение у причала.
                                    + (sum (op in related_unmoored_cargo_op[twin_location[loc]]) (op_status[op, t])) % Погрузка без швартовки.
-                                   + (sum (op in 1..n_operations where (is_mooring_op[op] /\ (main_obj_start_loc[op] mod 2 = 0))) % Отшвартовка.
+                                  % + (sum (op in 1..n_operations where ((not is_moving_operation[op]) /\ (main_obj_start_loc[op] = twin_location[loc]))) % Погрузка без швартовки.
+                                  %      (op_status[op, t])
+                                  %   ) % TODO узнать, почему медленнее варианта выше.
+                                   + (sum (op in 1..n_operations where (is_mooring_op[op] /\ (main_obj_start_loc[op] = loc))) % Отшвартовка.
                                         (op_status[op, t])
                                      )
     );