diff --git a/src/mills.cpp b/src/mills.cpp
index 2c0a80d2..865f1736 100644
--- a/src/mills.cpp
+++ b/src/mills.cpp
@@ -628,7 +628,7 @@ Depth get_search_depth(const Position *pos)
     }
 
     // Do not too weak
-    if (depthLimit == 20 && d <= 4) {   // TODO
+    if (depthLimit == 30 && d <= 4) {   // TODO
         d = 4;
     }
 #endif
diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 6ad4564b..a422cceb 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -180,7 +180,7 @@ void init(OptionsMap &o)
     o["Clear Hash"] << Option(on_clear_hash);
     o["Ponder"] << Option(false);
     o["MultiPV"] << Option(1, 1, 500);
-    o["SkillLevel"] << Option(1, 0, 20, on_skill_level);
+    o["SkillLevel"] << Option(1, 0, 30, on_skill_level);
     o["MoveTime"] << Option(1, 0, 60, on_move_time);
     o["AiIsLazy"] << Option(false, on_aiIsLazy);
     o["Move Overhead"] << Option(10, 0, 5000);
diff --git a/src/ui/flutter_app/lib/widgets/game_page.dart b/src/ui/flutter_app/lib/widgets/game_page.dart
index d07303b3..38f60ba1 100644
--- a/src/ui/flutter_app/lib/widgets/game_page.dart
+++ b/src/ui/flutter_app/lib/widgets/game_page.dart
@@ -1282,7 +1282,7 @@ class _GamePageState extends State<GamePage>
       return;
     }
 
-    bool isTopLevel = (Config.skillLevel == 20); // TODO: 20
+    bool isTopLevel = (Config.skillLevel == 30); // TODO: 30
 
     if (result == GameResult.win &&
         !isTopLevel &&
diff --git a/src/ui/flutter_app/lib/widgets/game_settings_page.dart b/src/ui/flutter_app/lib/widgets/game_settings_page.dart
index 05fb3cca..86dac2d3 100644
--- a/src/ui/flutter_app/lib/widgets/game_settings_page.dart
+++ b/src/ui/flutter_app/lib/widgets/game_settings_page.dart
@@ -69,8 +69,8 @@ class _GameSettingsPageState extends State<GameSettingsPage> {
         child: Slider(
           value: Config.skillLevel.toDouble(),
           min: 1,
-          max: 20,
-          divisions: 19,
+          max: 30,
+          divisions: 29,
           label: Config.skillLevel.round().toString(),
           onChanged: (value) {
             setState(() {