Chess puzzle (Checkmate)
Opening: Zukertort_Opening, Zukertort_Opening_Other_variations
Moves: 1. Nf3 Nf6 2. a3 d5 3. b4 c5 4. b5 a6 5. bxa6 Nxa6 6. d3 g6 7. Bb2 Bg7 8. Nbd2
c4 9. dxc4 Qb6 10. Rb1 Ng4 11. Bd4 Bxd4 12. Rxb6 *
Position (FEN): r1b1k2r/1p2pp1p/nR4p1/3p4/2Pb2n1/P4N2/2PNPPPP/3QKB1R b Kkq - 0 12
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1178
Best move: Bxf2#