Update index.js

index.js

@@ -5,7 +5,7 @@ const { Chess } = require('chess.js');
 
 const app = express();
 const PORT = process.env.PORT || 7860;
-const STOCKFISH_PATH = 'stockfish';
+const STOCKFISH_PATH = '/usr/games/stockfish';
 
 let engine;
 let isEngineBusy = false;