Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_The_Whale
Moves: 1. c4 e5 2. e4 Nf6 3. Nc3 Bc5 4. h3 Nc6 5. Nf3 d6 6. a3 a6 7. b4 Ba7 8. Nd5 h6
9. Nxf6+ Qxf6 10. d3 Nd4 11. Nxd4 Bxd4 12. Rb1 *
Position (FEN): r1b1k2r/1pp2pp1/p2p1q1p/4p3/1PPbP3/P2P3P/5PP1/1RBQKB1R b Kkq - 1 12
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1145
Best move: Qxf2#