diff --git a/.gitignore b/.gitignore
index 40310c6..42e313b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ log.txt
 *.sgf
 sgfout
 sgf_selfplay
+sgf_ogs
 log*
 tmp.pickle
 my
diff --git a/ai.py b/ai.py
index 7061950..63a1adb 100644
--- a/ai.py
+++ b/ai.py
@@ -56,8 +56,9 @@ def ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move, GameNode
             ai_thoughts += f"Top policy move has weight > {ai_settings['pick_override']:.1%}, so overriding other strategies."
         elif top_5_pass or "weighted" in ai_mode:
             weighted_coords = [(policy_grid[y][x], policy_grid[y][x], x, y) for x in range(size[0]) for y in range(size[1]) if policy_grid[y][x] > 0]
-            aimove = Move(weighted_selection_without_replacement(weighted_coords, 1)[0][2:], player=cn.next_player)  # just take a random move by policy w/o noise
-            ai_thoughts += f"Playing policy-weighted random move {aimove.gtp()}" + (" because one of them is pass." if top_5_pass else " because strategy is weighted.")
+            best = weighted_selection_without_replacement(weighted_coords, 1)[0]
+            aimove = Move(best[2:], player=cn.next_player)  # just take a random move by policy w/o noise
+            ai_thoughts += f"Playing policy-weighted random move {aimove.gtp()} ({best[0]:.1%})" + (" because one of them is pass." if top_5_pass else " because strategy is weighted.")
         elif "noise" in ai_mode:
             noise_str = ai_settings["noise_strength"]
             d_noise = dirichlet_noise(len(legal_policy_moves))
@@ -69,9 +70,9 @@ def ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move, GameNode
             n_moves = int(ai_settings["pick_frac"] * len(legal_policy_moves) + ai_settings["pick_n"])
             if "influence" in ai_mode or "territory" in ai_mode:
                 if "influence" in ai_mode:
-                    weight = lambda x, y: (1/ai_settings["line_weight"]) ** max(0, 3 - min(size[0] - 1 - x, x, y, size[1] - 1 - y))
+                    weight = lambda x, y: (1 / ai_settings["line_weight"]) ** max(0, 3 - min(size[0] - 1 - x, x, y, size[1] - 1 - y))
                 else:
-                    weight = lambda x, y:(1/ai_settings["line_weight"]) ** max(0, min(size[0] - 1 - x, x, y, size[1] - 1 - y) - 2)
+                    weight = lambda x, y: (1 / ai_settings["line_weight"]) ** max(0, min(size[0] - 1 - x, x, y, size[1] - 1 - y) - 2)
                 weighted_coords = [(policy_grid[y][x] * weight(x, y), weight(x, y), x, y) for x in range(size[0]) for y in range(size[1]) if policy_grid[y][x] > 0]
                 ai_thoughts += f"Generated weights for {ai_mode} according to weight factor {ai_settings['line_weight']} and distance from 4th line. "
             elif "local" in ai_mode or "tenuki" in ai_mode:
@@ -120,7 +121,7 @@ def ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move, GameNode
         ai_thoughts += f"Balance strategy selected moves {sel_moves} based on target score and max points lost, and randomly chose {aimove.gtp()}."
     elif "jigo" in ai_mode and candidate_ai_moves[0]["move"] != "pass":
         sign = cn.player_sign(cn.next_player)  # TODO check
-        jigo_move = min(candidate_ai_moves, key=lambda move: abs(sign * move["scoreLead"] - ai_settings['target_score']))
+        jigo_move = min(candidate_ai_moves, key=lambda move: abs(sign * move["scoreLead"] - ai_settings["target_score"]))
         aimove = Move.from_gtp(jigo_move["move"], player=cn.next_player)
         ai_thoughts += f"Jigo strategy found candidate moves {candidate_ai_moves} moves and chose {aimove.gtp()} as closest to 0.5 point win"
     else:
diff --git a/ai2gtp.py b/ai2gtp.py
index ebff032..351b24f 100644
--- a/ai2gtp.py
+++ b/ai2gtp.py
@@ -27,14 +27,7 @@ ENGINE_SETTINGS = {
     "enable_ownership": False,
     "threads": 1,
 }
-ai_settings = {
-    "noise_strength": 0.8,
-    "pick_n": 10,
-    "pick_frac": 0.2,
-    "stddev": 10,
-    "line_weight": 10,
-    "pick_override": 0.95,
-}
+ai_settings = {"noise_strength": 0.8, "pick_n": 10, "pick_frac": 0.2, "stddev": 10, "line_weight": 10, "pick_override": 0.95}
 
 engine = KataGoEngine(logger, ENGINE_SETTINGS)
 
@@ -53,7 +46,7 @@ ai_settings["pick_n"] = 5  # dropping below 7k at 5/0.33
 
 
 ai_strategy = "P+Weighted"
-ai_settings  = {"pick_override": 0.95}
+ai_settings = {"pick_override": 0.95}
 
 ai_strategy = "P+Local"
 ai_settings["pick_frac"] = 0.0
diff --git a/ai_performance.pickle b/ai_performance.pickle
index b8a8140..b6e755f 100644
Binary files a/ai_performance.pickle and b/ai_performance.pickle differ
diff --git a/engine.py b/engine.py
index 807e0c6..fcd57b1 100644
--- a/engine.py
+++ b/engine.py
@@ -80,7 +80,7 @@ class KataGoEngine:
                 self.katrain.log(f"Query result {analysis['id']} discarded -- recent new game?", OUTPUT_DEBUG)
                 continue
             if "error" in analysis:
-                if not (next_move is None and "Illegal move" in analysis["error"]):  # sweep
+                if not (next_move and "Illegal move" in analysis["error"]):  # sweep
                     self.katrain.log(f"{analysis} received from KataGo", OUTPUT_ERROR)
                 continue
             else:
diff --git a/game.py b/game.py
index f06e7f0..19218ee 100644
--- a/game.py
+++ b/game.py
@@ -5,6 +5,7 @@ from datetime import datetime
 from typing import List, Union, Dict
 import threading
 
+from common import var_to_grid
 from engine import KataGoEngine
 from game_node import GameNode
 from sgf_parser import SGF, Move
@@ -224,7 +225,13 @@ class Game:
             return
         elif mode == "sweep":
             board_size_x, board_size_y = self.board_size
-            analyze_moves = [Move(coords=(x, y), player=cn.next_player) for x in range(board_size_x) for y in range(board_size_y) if (x, y) not in stones]
+            policy_grid = var_to_grid(self.current_node.policy, size=(board_size_x, board_size_y)) if self.current_node.policy else None
+            analyze_moves = [
+                Move(coords=(x, y), player=cn.next_player)
+                for x in range(board_size_x)
+                for y in range(board_size_y)
+                if (policy_grid is None and (x, y) not in stones) or policy_grid[y][x] >= 0
+            ]
             visits = int(engine.config["max_visits"] * self.config["sweep_visits_frac"] + 0.5)
             self.katrain.controls.set_status(f"Refining analysis of entire board to {visits} visits")
             priority = -1_000_000_000
diff --git a/game_node.py b/game_node.py
index a36ee71..04bd7f0 100644
--- a/game_node.py
+++ b/game_node.py
@@ -43,7 +43,8 @@ class GameNode(SGFNode):
 
     def set_analysis(self, analysis_json, refine_move):
         if refine_move:
-            self.update_move_analysis(analysis_json["rootInfo"], refine_move.gtp())
+            pvtail = analysis_json["moveInfos"][0]["pv"] if analysis_json["moveInfos"] else []
+            self.update_move_analysis({"pv": [refine_move.gtp()] + pvtail, **analysis_json["rootInfo"]}, refine_move.gtp())
         else:
             for move_analysis in analysis_json["moveInfos"]:
                 self.update_move_analysis(move_analysis, move_analysis["move"])
@@ -134,7 +135,7 @@ class GameNode(SGFNode):
     def policy_ranking(self) -> Optional[List[Tuple[float, Move]]]:  # return moves from highest policy value to lowest
         if self.policy:
             szx, szy = self.board_size
-            policy_grid = var_to_grid(self.policy, size=[szx, szy])
+            policy_grid = var_to_grid(self.policy, size=(szx, szy))
             moves = [(policy_grid[y][x], Move((x, y), player=self.next_player)) for x in range(szx) for y in range(szy)]
             moves.append((self.policy[-1], Move(None, player=self.next_player)))
             return sorted(moves, key=lambda mp: -mp[0])
diff --git a/gui/controls.py b/gui/controls.py
index 19a4890..5e7f7eb 100644
--- a/gui/controls.py
+++ b/gui/controls.py
@@ -64,7 +64,7 @@ class Controls(BoxLayout):
                 self.win_rate.text = current_node.format_win_rate()
                 if move and next_player_is_human_or_both_robots:  # don't immediately hide this when an ai moves comes in
                     points_lost = current_node.points_lost
-                    self.score_change.label = f"Points lost for {move.player}" if points_lost and points_lost > 0 else f"Points gained for {move.player}"
+                    self.score_change.label = f"Points lost ({move.player})" if points_lost and points_lost > 0 else f"Points gained ({move.player})"
                     self.score_change.text = f"{abs(points_lost):.1f}" if points_lost else "..."
                 elif not current_player_is_ai_playing_human:
                     self.score_change.label = f"Points lost"
diff --git a/gui/kivyutils.py b/gui/kivyutils.py
index 2596411..b2463e1 100644
--- a/gui/kivyutils.py
+++ b/gui/kivyutils.py
@@ -24,9 +24,11 @@ class DarkLabel(Label):
 class ScaledLightLabel(DarkLabel):
     pass
 
+
 class LightHelpLabel(ScaledLightLabel):
     pass
 
+
 class StyledButton(Button):
     button_color = ListProperty([])
     button_color_down = ListProperty([])
@@ -79,7 +81,7 @@ class ToggleButtonContainer(GridLayout):
     def _size(self, _dt):
         if self.autosize:
             for tb in self.children:
-                tb.size_hint = (tb.texture_size[0] + 25, 1)
+                tb.size_hint = (tb.texture_size[0] + 10, 1)
 
     @property
     def value(self):
diff --git a/gui/popups.py b/gui/popups.py
index 265b499..3bdd27d 100644
--- a/gui/popups.py
+++ b/gui/popups.py
@@ -8,7 +8,17 @@ from kivy.uix.label import Label
 from common import OUTPUT_DEBUG, OUTPUT_ERROR
 from engine import KataGoEngine
 from game import Game, GameNode
-from gui.kivyutils import LabelledCheckBox, LabelledFloatInput, LabelledIntInput, LabelledObjectInputArea, LabelledSpinner, LabelledTextInput, ScaledLightLabel, StyledButton, LightHelpLabel
+from gui.kivyutils import (
+    LabelledCheckBox,
+    LabelledFloatInput,
+    LabelledIntInput,
+    LabelledObjectInputArea,
+    LabelledSpinner,
+    LabelledTextInput,
+    ScaledLightLabel,
+    StyledButton,
+    LightHelpLabel,
+)
 
 
 class InputParseError(Exception):
@@ -16,7 +26,7 @@ class InputParseError(Exception):
 
 
 class QuickConfigGui(BoxLayout):
-    def __init__(self, katrain, popup, initial_values=None,**kwargs):
+    def __init__(self, katrain, popup, initial_values=None, **kwargs):
         super().__init__(**kwargs)
         self.katrain = katrain
         self.popup = popup
@@ -65,7 +75,7 @@ class LoadSGFPopup(BoxLayout):
 class NewGamePopup(QuickConfigGui):
     def __init__(self, katrain, popup, properties, **kwargs):
         properties["RU"] = KataGoEngine.get_rules(katrain.game.root)
-        super().__init__(katrain, popup, properties,**kwargs)
+        super().__init__(katrain, popup, properties, **kwargs)
         self.rules_spinner.values = list(set(self.katrain.engine.RULESETS.values()))
         self.rules_spinner.text = properties["RU"]
 
@@ -82,11 +92,11 @@ class NewGamePopup(QuickConfigGui):
 
 
 class ConfigPopup(QuickConfigGui):
-    def __init__(self, katrain, popup, config, ignore_cats,**kwargs):
+    def __init__(self, katrain, popup, config, ignore_cats, **kwargs):
         self.config = config
         self.ignore_cats = ignore_cats
         self.orientation = "vertical"
-        super().__init__(katrain, popup,**kwargs)
+        super().__init__(katrain, popup, **kwargs)
         Clock.schedule_once(self._build, 0)
 
     def _build(self, _):
@@ -161,22 +171,22 @@ class ConfigPopup(QuickConfigGui):
 
 class ConfigAIPopup(QuickConfigGui):
     def __init__(self, katrain, popup, ai_modes, **kwargs):
-        super().__init__(katrain, popup,  katrain.ai_settings, **kwargs)
+        super().__init__(katrain, popup, katrain.ai_settings, **kwargs)
         self.settings = self.katrain.ai_settings
         self.ai_modes = ai_modes
         Clock.schedule_once(self._build, 0)
-        self.orientation ='vertical'
+        self.orientation = "vertical"
 
-    def _build(self,_dt):
+    def _build(self, _dt):
         colbox = BoxLayout(spacing=5)
         for mode in self.ai_modes:
             mode_settings = self.settings[mode]
             num_rows = len(mode_settings) - 2
-            column = GridLayout(cols=2, rows=max(num_rows,4) + 3,spacing=1,padding=3)
+            column = GridLayout(cols=2, rows=max(num_rows, 4) + 3, spacing=1, padding=3)
             column.add_widget(ScaledLightLabel(text=f"Settings for AI"))
             column.add_widget(ScaledLightLabel(text=f"{mode}", bold=True))
-            column.add_widget(LightHelpLabel(size_hint=(1,3),text=mode_settings.get('_help_left','')))
-            column.add_widget(LightHelpLabel(size_hint=(1,3),text=mode_settings.get('_help_right', '')))
+            column.add_widget(LightHelpLabel(size_hint=(1, 3), text=mode_settings.get("_help_left", "")))
+            column.add_widget(LightHelpLabel(size_hint=(1, 3), text=mode_settings.get("_help_right", "")))
             for k, v in mode_settings.items():
                 if not k.startswith("_"):
                     column.add_widget(ScaledLightLabel(text=f"{k}"))
@@ -185,9 +195,9 @@ class ConfigAIPopup(QuickConfigGui):
                 column.add_widget(ScaledLightLabel(text=f""))
                 column.add_widget(ScaledLightLabel(text=f""))
             colbox.add_widget(column)
-        if len(self.ai_modes)==1:
+        if len(self.ai_modes) == 1:
             colbox.add_widget(ScaledLightLabel(text=f""))
-        bl = BoxLayout(size_hint=(1,0.2),spacing=2)
+        bl = BoxLayout(size_hint=(1, 0.2), spacing=2)
         bl.add_widget(StyledButton(text=f"Apply", on_press=lambda _: self.update_config(False)))
         bl.add_widget(StyledButton(text=f"Apply and Save", on_press=lambda _: self.update_config(True)))
         self.add_widget(colbox)
@@ -197,7 +207,7 @@ class ConfigAIPopup(QuickConfigGui):
         try:
             for k, v in self.collect_properties(self).items():
                 k1, k2 = k.split("/")
-                print(k1,k2,v,self.settings[k1][k2])
+                print(k1, k2, v, self.settings[k1][k2])
                 if self.settings[k1][k2] != v:
                     self.katrain.log(f"Updating setting {k} = {v}", OUTPUT_DEBUG)
 
diff --git a/katrain.kv b/katrain.kv
index 62d1e39..810b55c 100644
--- a/katrain.kv
+++ b/katrain.kv
@@ -36,7 +36,7 @@
 
 <StyledSpinner>:
     text: self.values[0] if self.values else ''
-    font_size: self.size[1] * 0.35
+    font_size: self.size[1] * 0.33
     sync_height: True
     background_color: [*[c*255/88 for c in BUTTON_COLOR[:3]], 1] # compensate for texture
     option_cls: 'StyledSpinnerOption'
diff --git a/katrain.py b/katrain.py
index e9f3e2d..0682196 100644
--- a/katrain.py
+++ b/katrain.py
@@ -193,7 +193,7 @@ class KaTrainGui(BoxLayout):
 
     def _do_config_popup(self):
         config_popup = Popup(title="Edit Settings", size_hint=(0.9, 0.9))
-        popup_contents = ConfigPopup(self, config_popup, dict(self._config), ignore_cats=("board_ui","ai"))
+        popup_contents = ConfigPopup(self, config_popup, dict(self._config), ignore_cats=("board_ui", "ai"))
         config_popup.add_widget(popup_contents)
         config_popup.open()
 
diff --git a/selfplay.py b/selfplay.py
index 5851246..c96510e 100644
--- a/selfplay.py
+++ b/selfplay.py
@@ -143,18 +143,9 @@ test_ais = [
     AI("P+Local", {"local_stddev": 5}),
     AI("P+Local", {"local_stddev": 1}),
     AI("P+Local", {"local_stddev": 1, "pick_frac": 0.0, "pick_n": 20}),
+    AI("P+Weighted", {"pick_override": 1.0}),
 ]
 
-test_ais = [
-    AI("Policy", {}),
-    AI("P+Weighted", {'pick_override':1.0}),
-    AI("P+Noise", {"noise_strength": 0.6}),
-    AI("P+Noise", {"noise_strength": 0.7}),
-    AI("P+Noise", {"noise_strength": 0.8}),
-    AI("P+Noise", {"noise_strength": 0.9}),
-]
-
-
 
 # test_ais = [
 #    AI("Policy", {}),