diff --git a/app/config.py b/app/config.py
index a8cd9f622..aac9e6886 100644
--- a/app/config.py
+++ b/app/config.py
@@ -33,7 +33,7 @@ VALUES = {1: "A", 2: "2", 3: "3", 4: "4", 5: "5", 6: "6", 7: "7",
           8: "8", 9: "9", 10: "10", 11: "J", 12: "Q", 13: "K", 14: "A"}
 HAND_TYPES = {1: "High Card", 2: "Pair", 3: "Flush", 4: "Straight",
               5: "Straight Flush", 6: "Trail"}
-CHAIRS = {1: "A", 2: "B", 3: "C"}
+CHAIRS = {1: "C", 2: "B", 3: "A"}
 STATUS_NAMES = {0: "NEW", 1: "BETTING", 2: "REVEALING", 3: "ENDED"}
 
 # Environment
diff --git a/app/db.py b/app/db.py
index 6d1de1e19..b1fa09cb4 100644
--- a/app/db.py
+++ b/app/db.py
@@ -13,6 +13,7 @@ log = logging.getLogger(__name__)
 
 _client = None
 _lock = threading.Lock()
+_migrations_applied = False
 
 
 def get_client():
@@ -34,6 +35,34 @@ def get_client():
     return _client
 
 
+def run_migrations():
+    """Run one-time data migrations on startup."""
+    global _migrations_applied
+    if _migrations_applied:
+        return
+    client = get_client()
+    client.command(
+        "CREATE TABLE IF NOT EXISTS _migrations ("
+        "  name String, applied_at DateTime DEFAULT now()"
+        ") ENGINE = MergeTree() ORDER BY name"
+    )
+    result = client.query(
+        "SELECT count() FROM _migrations WHERE name = 'swap_ac_chairs'"
+    )
+    if result.result_rows[0][0] == 0:
+        log.info("Running migration: swap_ac_chairs")
+        client.command(
+            "ALTER TABLE games UPDATE "
+            "hand_a = hand_c, hand_c = hand_a, "
+            "bet_a = bet_c, bet_c = bet_a, "
+            "hand_type_a = hand_type_c, hand_type_c = hand_type_a "
+            "WHERE 1=1"
+        )
+        client.insert("_migrations", [["swap_ac_chairs"]], column_names=["name"])
+        log.info("Migration swap_ac_chairs applied")
+    _migrations_applied = True
+
+
 def _with_lock(fn):
     """Decorator to serialize all ClickHouse operations."""
     def wrapper(*args, **kwargs):
@@ -213,7 +242,7 @@ def get_win_distribution() -> dict:
         FROM (
             SELECT
                 bet_a, bet_b, bet_c,
-                multiIf(winner = 1, bet_a, winner = 2, bet_b, bet_c) AS winner_bet
+                multiIf(winner = 3, bet_a, winner = 2, bet_b, bet_c) AS winner_bet
             FROM games
             WHERE bet_a + bet_b + bet_c > 0
         )
@@ -414,7 +443,7 @@ def get_analytics(period: str = "all") -> dict:
         FROM (
             SELECT
                 bet_a, bet_b, bet_c,
-                multiIf(winner = 1, bet_a, winner = 2, bet_b, bet_c) AS winner_bet
+                multiIf(winner = 3, bet_a, winner = 2, bet_b, bet_c) AS winner_bet
             FROM games
             {game_where + ' AND' if game_where else 'WHERE'} bet_a + bet_b + bet_c > 0
         )
@@ -431,7 +460,7 @@ def get_analytics(period: str = "all") -> dict:
     hand_type_result = client.query(
         f"""
         SELECT hand_type, count() AS cnt FROM (
-            SELECT multiIf(winner = 1, hand_type_a, winner = 2, hand_type_b, hand_type_c) AS hand_type
+            SELECT multiIf(winner = 3, hand_type_a, winner = 2, hand_type_b, hand_type_c) AS hand_type
             FROM games
             {game_where}
         )
diff --git a/app/game_poller.py b/app/game_poller.py
index b0b0d1292..79989dd1d 100644
--- a/app/game_poller.py
+++ b/app/game_poller.py
@@ -152,6 +152,8 @@ class GamePoller:
                 start_ts = self.round_data.get("time_start_ts", 0)
                 self.round_data["duration_s"] = round(time.time() - start_ts)
 
+                self._save_round()
+
                 await self.broadcast("round_result", {
                     "game_no": gn,
                     "winner": gi.get("gameResult"),
diff --git a/app/main.py b/app/main.py
index b8d801b85..923a0d251 100644
--- a/app/main.py
+++ b/app/main.py
@@ -12,6 +12,7 @@ import signal
 from .server import WebServer
 from .streamkar_ws import StreamKarWSClient
 from .game_poller import GamePoller
+from . import db
 
 logging.basicConfig(
     level=logging.INFO,
@@ -39,6 +40,7 @@ async def main():
         loop.add_signal_handler(sig, shutdown)
 
     log.info("Starting Teen Patti Live Monitor")
+    await loop.run_in_executor(None, db.run_migrations)
     log.info("Dashboard: http://localhost:8765")
 
     tasks = [
diff --git a/static/analytics.html b/static/analytics.html
index 7a662a4f8..ea99f2303 100644
--- a/static/analytics.html
+++ b/static/analytics.html
@@ -333,7 +333,7 @@ const escHtml = s => {
   return d.innerHTML;
 };
 
-const CHAIRS = {1:'A', 2:'B', 3:'C'};
+const CHAIRS = {1:'C', 2:'B', 3:'A'};
 const CHAIR_COLORS = {A:'#3b82f6', B:'#ec4899', C:'#f59e0b'};
 const HAND_TYPES = {1:'High Card', 2:'Pair', 3:'Flush', 4:'Straight', 5:'Str. Flush', 6:'Trail'};
 
diff --git a/static/index.html b/static/index.html
index 3b225d235..8b71f5c77 100644
--- a/static/index.html
+++ b/static/index.html
@@ -775,7 +775,7 @@ const fmtFull = n => {
   return Number(n).toLocaleString();
 };
 
-const CHAIRS = {1:'A', 2:'B', 3:'C'};
+const CHAIRS = {1:'C', 2:'B', 3:'A'};
 const CHAIR_COLORS = {A:'#3b82f6', B:'#ec4899', C:'#f59e0b'};
 const HAND_TYPES = {1:'High Card', 2:'Pair', 3:'Flush', 4:'Straight', 5:'Str. Flush', 6:'Trail'};
 const HAND_RANK = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6};