Add stone scoring rules.

katrain/core/engine.py

@@ -25,7 +25,7 @@ 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