This is a simple patch that complicates the game Chip ' n Dale Rescue Rangers 2 enemies have become difficult as well as bosses.
Database match: Chip 'n Dale Rescue Rangers 2 (U) [!].nes
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: A60BA28ACA558FE3527D46B0DF33BDD038D4C635
File CRC32: 91E4A289
ROM SHA-1: 62298489FAF7A482AF33BE307631D7FF5D9003F6
ROM CRC32: FC5783A7