This was a game played by me earlier today. In one line the best move for black was a move I'd almost played out of tilt for how bad my position was, not realizing it was actually a good move. See if you can find the best move for black!
Find the best move for black (HARD!)


1…. Rxd4
2. Rxg6. Rxc4. A piece ahead for Black
1……. Rxd4
2. Bxd4. Bxd4+
3. Kf1 (forced because of mate if Kh1) Ne3+
4. Rxe3 Bxe3 Black is piece ahead