Solution
1. Nb6 Ra7 2. Bb8 traps and wins the black rook.
Note that the black knight on d7 is pinned by the white d1-rook, which makes 2… Nxb8 impossible.
1. Nb6 Ra7 2. Bb8 traps and wins the black rook.
Note that the black knight on d7 is pinned by the white d1-rook, which makes 2… Nxb8 impossible.