| Advanced Puzzle 6 |
White to play and win in 4 moves. Scroll down for the answer.

Answer
| 1 | Nf6+ | Kg7/Kh8 |
| 2 | Ng4+ | Nd4/Ne5 |
| 3 | Bxd4+/Bxe5+ | Kg8 |
| 4 | Nh6++ Mate |
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