diff --git a/Sailboat/Sailboat/BoatsGenericCollection.cs b/Sailboat/Sailboat/BoatsGenericCollection.cs
index 160b983..f127575 100644
--- a/Sailboat/Sailboat/BoatsGenericCollection.cs
+++ b/Sailboat/Sailboat/BoatsGenericCollection.cs
@@ -62,7 +62,7 @@ namespace Sailboat.Generics
             {
                 return false;
             }
-            return collect?._collection.Insert(obj) ?? false;
+            return (bool)collect?._collection.Insert(obj);
         }
         /// <summary>
         /// Перегрузка оператора вычитания
@@ -70,14 +70,14 @@ namespace Sailboat.Generics
         /// <param name="collect"></param>
         /// <param name="pos"></param>
         /// <returns></returns>
-        public static T? operator -(BoatsGenericCollection<T, U> collect, int pos)
+        public static bool operator -(BoatsGenericCollection<T, U> collect, int pos)
         {
             T? obj = collect._collection[pos];
             if (obj != null)
             {
                 collect._collection.Remove(pos);
             }
-            return obj;
+            return false;
         }
 
         /// <summary>
@@ -133,7 +133,7 @@ namespace Sailboat.Generics
                 if (boat != null)
                 {
                     int width = _pictureWidth / _placeSizeWidth;
-                    boat.SetPosition(i % width * _placeSizeWidth, _pictureHeight - _pictureHeight % _placeSizeHeight - (i / width + 1) * _placeSizeHeight);
+                    boat.SetPosition(i % width * _placeSizeWidth, i / width * _placeSizeHeight);
                     boat.DrawTransport(g);
                 }
                 i++;
diff --git a/Sailboat/Sailboat/FormSailboat.cs b/Sailboat/Sailboat/FormSailboat.cs
index edbfb8a..bd6e458 100644
--- a/Sailboat/Sailboat/FormSailboat.cs
+++ b/Sailboat/Sailboat/FormSailboat.cs
@@ -52,10 +52,9 @@ namespace Sailboat
 
             Color dopColor = Color.FromArgb(random.Next(0, 256),
             random.Next(0, 256), random.Next(0, 256));
-            ColorDialog dialogAddColor = new();
-            if (dialogAddColor.ShowDialog() == DialogResult.OK)
+            if (dialog.ShowDialog() == DialogResult.OK)
             {
-                dopColor = dialogAddColor.Color;
+                dopColor = dialog.Color;
             }
 
             _drawingBoat = new DrawingSailboat(random.Next(100, 300),
diff --git a/Sailboat/Sailboat/SetGeneric.cs b/Sailboat/Sailboat/SetGeneric.cs
index 95a2392..c5bd178 100644
--- a/Sailboat/Sailboat/SetGeneric.cs
+++ b/Sailboat/Sailboat/SetGeneric.cs
@@ -36,8 +36,10 @@ namespace Sailboat.Generics
         /// <returns></returns>
         public bool Insert(T boat)
         {
-            if (_places.Count == _maxCount)
-                return false;
+            if (_places.Count == _maxCount) 
+            { 
+                return false; 
+            }
             Insert(boat, 0);
             return true;
         }
@@ -49,8 +51,9 @@ namespace Sailboat.Generics
         /// <returns></returns>
         public bool Insert(T boat, int position)
         {
-            if (!(position >= 0 && position <= Count && _places.Count < _maxCount))
-                return false;
+            if (!(position >= 0 && position <= Count && _places.Count < _maxCount)) { 
+                return false; 
+            } 
             _places.Insert(position, boat);
             return true;
         }
@@ -77,14 +80,16 @@ namespace Sailboat.Generics
         {
             get
             {
-                if (!(position >= 0 && position < Count))
-                    return null;
+                if (position < 0 || position >= Count) { 
+                    return null; 
+                }
                 return _places[position];
             }
             set
             {
-                if (!(position >= 0 && position < Count && _places.Count < _maxCount))
-                    return;
+                if (!(position >= 0 && position < Count && _places.Count < _maxCount)) { 
+                    return; 
+                }
                 _places.Insert(position, value);
                 return;
             }