binaries and don't send option if 0.0

README.md

@@ -147,7 +147,7 @@ If you ever need to reset to the original settings, simply re-download the `conf
     * max_visits: The number of visits used in analyses and AI moves, higher is more accurate but slower.
     * max_time: Maximal time in seconds for analyses, even when the target number of visits has not been reached.    
     * fast_visits: The number of visits used for certain operations with fewer visits.
-    * wide_root_noise: Consider a wider variety of moves, using KataGo's `analysisWideRootNoise` option. Will affect both analysis and AIs such as ScoreLoss. 
+    * wide_root_noise: Consider a wider variety of moves, using KataGo's `analysisWideRootNoise` option. Will affect both analysis and AIs such as ScoreLoss. (KataGo 1.4+ only, keep at 0.0 otherwise) 
     * katago: Path to your KataGo executable.
     * model: Path to your KataGo model file. Note that the default model file included is an older 15 block one. Replace it with a new model from [here](https://github.com/lightvector/KataGo/releases) for maximal strength.
     * config: Path to your KataGo config file.    

core/engine.py

@@ -152,6 +152,12 @@ class KataGoEngine:
                 visits = self.config["fast_visits"]
 
         size_x, size_y = analysis_node.board_size
+        settings = self.override_settings
+        if time_limit:
+            settings["maxTime"] = self.config["max_time"]
+        if self.config.get("wide_root_noise",0.0) > 0.0: # don't send if 0.0, so older versions don't error
+            settings["wideRootNoise"] = self.config["wide_root_noise"]
+
         query = {
             "rules": self.get_rules(analysis_node),
             "priority": self.base_priority + priority,
@@ -163,10 +169,6 @@ class KataGoEngine:
             "includeOwnership": ownership,
             "includePolicy": not next_move,
             "moves": [[m.player, m.gtp()] for m in moves],
-            "overrideSettings": {
-                "maxTime": self.config["max_time"] if time_limit else 1000.0,
-                "wideRootNoise": self.config.get("wide_root_noise", 0.0),
-                **self.override_settings,
-            },
+            "overrideSettings": settings
         }
         self.send_query(query, callback, error_callback, next_move)