Chess puzzle (Checkmate)
Opening: Trompowsky_Attack, Trompowsky_Attack_Other_variations
Moves: 1. d4 Nf6 2. Bg5 c5 3. dxc5 d6 4. cxd6 Qa5+ 5. Bd2 Qb6 6. Bc3 Ne4 7. dxe7 *
Position (FEN): rnb1kb1r/pp2Pppp/1q6/8/4n3/2B5/PPP1PPPP/RN1QKBNR b KQkq - 0 7
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1269
Best move: Qxf2#