diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index ee68c50..5e48e29 100644
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -49,7 +49,8 @@ Many thanks to these additional authors:
 * "ajkenny84" for the red-green colourblind theme.
 * Lukasz Wierzbowski for the ability to paste urls for sgfs and helping fix alt-gr issues.
 * Carton He for contributions to sgf parsing and handling.
-* "blamarche" for adding the board coordinates toggle 
+* "blamarche" for adding the board coordinates toggle.
+* "pdeblanc" for adding the ancient chinese scoring option.
 
 ## Translators
 
diff --git a/katrain/core/engine.py b/katrain/core/engine.py
index 30d2c96..6db9412 100644
--- a/katrain/core/engine.py
+++ b/katrain/core/engine.py
@@ -26,7 +26,13 @@ class KataGoEngine:
     """Starts and communicates with the KataGO analysis engine"""
 
     # TODO: we don't support suicide in game.py, so no  "tt": "tromp-taylor", "nz": "new-zealand"
-    RULESETS_ABBR = [("jp", "japanese"), ("cn", "chinese"), ("ko", "korean"), ("aga", "aga")]
+    RULESETS_ABBR = [
+        ("jp", "japanese"),
+        ("cn", "chinese"),
+        ("ko", "korean"),
+        ("aga", "aga"),
+        ("stone_scoring", "stone_scoring"),
+    ]
     RULESETS = {fromkey: name for abbr, name in RULESETS_ABBR for fromkey in [abbr, name]}
 
     @staticmethod
@@ -103,7 +109,8 @@ class KataGoEngine:
             )
         except (FileNotFoundError, PermissionError, OSError) as e:
             self.katrain.log(
-                i18n._("Starting Kata failed").format(command=self.command, error=e), OUTPUT_ERROR,
+                i18n._("Starting Kata failed").format(command=self.command, error=e),
+                OUTPUT_ERROR,
             )
             return  # don't start
         self.analysis_thread = threading.Thread(target=self._analysis_read_thread, daemon=True)
diff --git a/katrain/core/game.py b/katrain/core/game.py
index dc37a24..603d78d 100644
--- a/katrain/core/game.py
+++ b/katrain/core/game.py
@@ -434,9 +434,7 @@ class Game:
         base_game_name = f"{PROGRAM_NAME}_{player_names['B']} vs {player_names['W']}"
         return f"{base_game_name} {self.game_id}.sgf"
 
-    def write_sgf(
-        self, filename: str, trainer_config: Optional[Dict] = None,
-    ):
+    def write_sgf(self, filename: str, trainer_config: Optional[Dict] = None):
         if trainer_config is None:
             trainer_config = self.katrain.config("trainer", {})
         save_feedback = trainer_config.get("save_feedback", False)
@@ -583,7 +581,7 @@ class Game:
                 analyze_and_play_policy(new_node)
 
             self.engines[node.next_player].request_analysis(
-                new_node, callback=set_analysis, priority=-1000, analyze_fast=True,
+                new_node, callback=set_analysis, priority=-1000, analyze_fast=True
             )
 
         analyze_and_play_policy(cn)
diff --git a/katrain/core/game_node.py b/katrain/core/game_node.py
index 9d02be6..f82cb10 100644
--- a/katrain/core/game_node.py
+++ b/katrain/core/game_node.py
@@ -8,10 +8,10 @@ from typing import Dict, List, Optional, Tuple
 from katrain.core.constants import (
     ANALYSIS_FORMAT_VERSION,
     PROGRAM_NAME,
+    REPORT_DT,
     SGF_INTERNAL_COMMENTS_MARKER,
     SGF_SEPARATOR_MARKER,
-    VERSION,
-    REPORT_DT,
+    VERSION
 )
 from katrain.core.lang import i18n
 from katrain.core.sgf_parser import Move, SGFNode
@@ -319,7 +319,7 @@ class GameNode(SGFNode):
                             text += i18n._("Info:point loss").format(points_lost=points_lost) + "\n"
                         top_move = previous_top_move["move"]
                         score = self.format_score(previous_top_move["scoreLead"])
-                        text += i18n._("Info:top move").format(top_move=top_move, score=score,) + "\n"
+                        text += i18n._("Info:top move").format(top_move=top_move, score=score) + "\n"
                     else:
                         text += i18n._("Info:best move") + "\n"
                     if previous_top_move.get("pv") and (sgf or details):
diff --git a/katrain/gui/badukpan.py b/katrain/gui/badukpan.py
index 5b37945..1ca6a7b 100644
--- a/katrain/gui/badukpan.py
+++ b/katrain/gui/badukpan.py
@@ -471,9 +471,7 @@ class BadukPanWidget(Widget):
                             )
                         if move_policy == best_move_policy:
                             Color(*Theme.TOP_MOVE_BORDER_COLOR[:3], Theme.POLICY_ALPHA)
-                            Line(
-                                circle=(self.gridpos_x[x], self.gridpos_y[y], self.stone_size - dp(1.2),), width=dp(2),
-                            )
+                            Line(circle=(self.gridpos_x[x], self.gridpos_y[y], self.stone_size - dp(1.2)), width=dp(2))
 
                 with pass_btn.canvas.after:
                     move_policy = policy[-1]
diff --git a/katrain/gui/kivyutils.py b/katrain/gui/kivyutils.py
index 291dc16..ead2374 100644
--- a/katrain/gui/kivyutils.py
+++ b/katrain/gui/kivyutils.py
@@ -663,9 +663,7 @@ def cached_text_texture(text, font_name, markup, _cache={}, **kwargs):
 
 def draw_text(pos, text, font_name=None, markup=False, **kwargs):
     texture = cached_text_texture(text, font_name, markup, **kwargs)
-    Rectangle(
-        texture=texture, pos=(pos[0] - texture.size[0] / 2, pos[1] - texture.size[1] / 2), size=texture.size,
-    )
+    Rectangle(texture=texture, pos=(pos[0] - texture.size[0] / 2, pos[1] - texture.size[1] / 2), size=texture.size)
 
 
 def draw_circle(pos, r, col):
diff --git a/katrain/gui/widgets/filebrowser.py b/katrain/gui/widgets/filebrowser.py
index b89e5e7..467f4a7 100644
--- a/katrain/gui/widgets/filebrowser.py
+++ b/katrain/gui/widgets/filebrowser.py
@@ -315,8 +315,7 @@ class LinkTree(TreeView):
 
 
 class I18NFileBrowser(BoxLayout):
-    """I18NFileBrowser class, see module documentation for more information.
-    """
+    """I18NFileBrowser class, see module documentation for more information."""
 
     __events__ = ("on_success", "on_submit")
 
diff --git a/katrain/gui/widgets/progress_loader.py b/katrain/gui/widgets/progress_loader.py
index d2c3aae..c7f4b14 100644
--- a/katrain/gui/widgets/progress_loader.py
+++ b/katrain/gui/widgets/progress_loader.py
@@ -71,7 +71,7 @@ class ProgressLoader(BoxLayout):
         Clock.schedule_once(self.animation_show, 1)
 
     def animation_show(self, _dt):
-        animation = Animation(opacity=1, d=0.2, t="out_quad",)
+        animation = Animation(opacity=1, d=0.2, t="out_quad")
         animation.start(self)
 
     def request_download_file(self, url, path):
diff --git a/katrain/i18n/locales/cn/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/cn/LC_MESSAGES/katrain.mo
index 0fd991b..72b89fe 100644
Binary files a/katrain/i18n/locales/cn/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/cn/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/cn/LC_MESSAGES/katrain.po b/katrain/i18n/locales/cn/LC_MESSAGES/katrain.po
index 7efcc10..81bb71a 100644
--- a/katrain/i18n/locales/cn/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/cn/LC_MESSAGES/katrain.po
@@ -276,6 +276,10 @@ msgstr "韩国规则"
 msgid "aga"
 msgstr "AGA规则"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "古代中国规则"
+
 msgid "clear cache"
 msgstr "清除缓存"
 
diff --git a/katrain/i18n/locales/de/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/de/LC_MESSAGES/katrain.mo
index 7f49482..3a49e67 100644
Binary files a/katrain/i18n/locales/de/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/de/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/de/LC_MESSAGES/katrain.po b/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
index a5f6760..76d22f4 100644
--- a/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/de/LC_MESSAGES/katrain.po
@@ -283,6 +283,10 @@ msgstr "Koreanisch"
 msgid "aga"
 msgstr "AGA"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "Alte Chinesisch"
+
 msgid "clear cache"
 msgstr "Cache leeren"
 
diff --git a/katrain/i18n/locales/en/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/en/LC_MESSAGES/katrain.mo
index fd345d0..2e29a93 100644
Binary files a/katrain/i18n/locales/en/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/en/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/en/LC_MESSAGES/katrain.po b/katrain/i18n/locales/en/LC_MESSAGES/katrain.po
index a6fccfa..14178a8 100644
--- a/katrain/i18n/locales/en/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/en/LC_MESSAGES/katrain.po
@@ -394,6 +394,9 @@ msgstr "Korean"
 msgid "aga"
 msgstr "AGA"
 
+msgid "stone_scoring"
+msgstr "Ancient Chinese"
+
 msgid "clear cache"
 msgstr "Clear cache"
 
diff --git a/katrain/i18n/locales/es/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/es/LC_MESSAGES/katrain.mo
index 5d316cc..b92c936 100644
Binary files a/katrain/i18n/locales/es/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/es/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/es/LC_MESSAGES/katrain.po b/katrain/i18n/locales/es/LC_MESSAGES/katrain.po
index c158402..cb88853 100644
--- a/katrain/i18n/locales/es/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/es/LC_MESSAGES/katrain.po
@@ -287,6 +287,10 @@ msgstr "Koreanas"
 msgid "aga"
 msgstr "AGA"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "Antiguas Chinas"
+
 msgid "clear cache"
 msgstr "Vaciar Cache"
 
diff --git a/katrain/i18n/locales/fr/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/fr/LC_MESSAGES/katrain.mo
index 88e84e7..0f0aa32 100644
Binary files a/katrain/i18n/locales/fr/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/fr/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/fr/LC_MESSAGES/katrain.po b/katrain/i18n/locales/fr/LC_MESSAGES/katrain.po
index 48e7751..f1d7497 100644
--- a/katrain/i18n/locales/fr/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/fr/LC_MESSAGES/katrain.po
@@ -302,6 +302,10 @@ msgstr "Coréennes"
 msgid "aga"
 msgstr "AGA"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "Chinoises anciennes"
+
 msgid "clear cache"
 msgstr "Vider le cache"
 
diff --git a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.mo
index fb0bd4a..3511d38 100644
Binary files a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
index 3cfeee1..fcf96b7 100644
--- a/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/jp/LC_MESSAGES/katrain.po
@@ -308,6 +308,9 @@ msgstr "韓国"
 msgid "aga"
 msgstr "AGA"
 
+msgid "stone_scoring"
+msgstr "古代中国"
+
 msgid "clear cache"
 msgstr "思考記録をクリア"
 
diff --git a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo
index 57ad9e8..5290e24 100644
Binary files a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
index ee5e3ab..c44af39 100644
--- a/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/ko/LC_MESSAGES/katrain.po
@@ -280,6 +280,10 @@ msgstr "한국"
 msgid "aga"
 msgstr "AGA"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "고대 중국"
+
 msgid "clear cache"
 msgstr "캐시 지우기"
 
diff --git a/katrain/i18n/locales/ru/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/ru/LC_MESSAGES/katrain.mo
index 1aebf6f..49f48cc 100644
Binary files a/katrain/i18n/locales/ru/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/ru/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/ru/LC_MESSAGES/katrain.po b/katrain/i18n/locales/ru/LC_MESSAGES/katrain.po
index 7cae85e..489a683 100644
--- a/katrain/i18n/locales/ru/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/ru/LC_MESSAGES/katrain.po
@@ -306,6 +306,10 @@ msgstr "Корейские"
 msgid "aga"
 msgstr "AGA"
 
+#. TODO check
+msgid "stone_scoring"
+msgstr "Древние китайские"
+
 msgid "clear cache"
 msgstr "Очистить кэш"
 
diff --git a/katrain/i18n/locales/tw/LC_MESSAGES/katrain.mo b/katrain/i18n/locales/tw/LC_MESSAGES/katrain.mo
index 8ef53ec..bde68db 100644
Binary files a/katrain/i18n/locales/tw/LC_MESSAGES/katrain.mo and b/katrain/i18n/locales/tw/LC_MESSAGES/katrain.mo differ
diff --git a/katrain/i18n/locales/tw/LC_MESSAGES/katrain.po b/katrain/i18n/locales/tw/LC_MESSAGES/katrain.po
index 3dd156e..9e8b922 100644
--- a/katrain/i18n/locales/tw/LC_MESSAGES/katrain.po
+++ b/katrain/i18n/locales/tw/LC_MESSAGES/katrain.po
@@ -779,3 +779,7 @@ msgstr "插入完畢，複製 {num_copied} 手棋。"
 #. mode
 msgid "finish inserting before navigating"
 msgstr "此功能在插入模式無法使用，按 i 結束插入。"
+
+#. TODO
+msgid "stone_scoring"
+msgstr "Ancient Chinese"
diff --git a/katrain/popups.kv b/katrain/popups.kv
index 21fbc27..8d5e420 100644
--- a/katrain/popups.kv
+++ b/katrain/popups.kv
@@ -472,7 +472,7 @@
             text: i18n._("ruleset")
         AnchorLayout:
             LabelledSpinner:
-                size_hint: 0.8,0.8
+                size_hint: 0.95,0.8
                 input_property: 'game/rules'
                 font_size: sp(Theme.DESC_FONT_SIZE)
                 id: rules_spinner