Knight endgames can be very tricky, especially when there are passed pawns involved.
If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.
[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown559"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "4r1k1/5pp1/3R1n1p/5Q2/8/2q1N2P/5PPK/8 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Qc7 2. Qf4 Re4 ( { Black can try: } 2... Nh5 3. Qd4 Rd8 4. Nf5 Nf6 5. Qb6 Qxb6 6. Rxb6 { With a likely draw. } ) 3. Qg3 Rxe3 4. fxe3 Ne4 5. Qf4 Qxd6 6. Qxd6 Nxd6 { Black wins with a large material advantage. } 0-1