Chess puzzle (Checkmate)
Opening: Bishops_Opening, Bishops_Opening_Berlin_Defense
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 d5 4. exd5 Nxd5 5. Qf3 Nf6 6. a3 Bg4 7. Qg3 Bd6 8. h3
e4 9. Bf4 Bxf4 10. Qxf4 Bh5 11. dxe4 *
Position (FEN): rn1qk2r/ppp2ppp/5n2/7b/2B1PQ2/P6P/1PP2PP1/RN2K1NR b KQkq - 0 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1145
Best move: Qd1#