update app.py

app.py

@@ -1,33 +1,33 @@
 import gradio as gr
 import chess
 import numpy as np
-from pathlib import Path
+from huggingface_hub import hf_hub_download
 import os
 
-# Secure load with token
 TOKEN = os.environ.get("HF_TOKEN")
 REPO = "typical-cyber/chess-model"
 
-try:
-    from huggingface_hub import hf_hub_download
-    model_path = hf_hub_download(REPO, "chess_mcvs.py", token=TOKEN)
-    exec(open(model_path).read())
-    db_path = hf_hub_download(REPO, "user_models/user136/chess/data/chesszonedb.npz", token=TOKEN)
-    zonedb_data = np.load(db_path, allow_pickle=True)
-except:
-    # Local fallback (upload files)
-    exec(open('chess_mcvs.py').read())
-    zonedb_data = np.load('chesszonedb.npz', allow_pickle=True)
+# BOM-PROOF download + exec
+model_path = hf_hub_download(REPO, "chess_mcvs.py", token=TOKEN)
+with open(model_path, 'r', encoding='utf-8-sig') as f:  # utf-8-sig = BOM killer!
+    exec(f.read())
 
+db_path = hf_hub_download(REPO, "user_models/user136/chess/data/chess_zone_db.npz", token=TOKEN)
+zonedb_data = np.load(db_path, allow_pickle=True)
+
+# Init YOUR zone DB
 zonedb = HilbertOrderedZoneDatabase()
 zonedb.winningmatrices = list(zonedb_data.get('winning', []))
+zonedb.losingmatrices = list(zonedb_data.get('losing', []))
+zonedb.drawmatrices = list(zonedb_data.get('draw', []))
 
 def get_move(fen, player):
     board = chess.Board(fen)
     game = Chess()
     game.board = board
-    searcher = MCVSSearcher(None, None, zonedb, lambdazone=1.0)
+    searcher = MCVSSearcher(None, None, zonedb, lambdazone=1.0, kzone=5)
     visits, _ = searcher.searchwithtimebudget(game, 1.0)
-    return max(visits, key=visits.get).uci()
+    best_move = max(visits, key=visits.get)
+    return best_move.uci()
 
 gr.Interface(fn=get_move, inputs=gr.Textbox("FEN"), outputs="text").launch()