Chess puzzle (Checkmate)
Opening: Indian_Defense, Indian_Defense_Spielmann-Indian
Moves: 1. d4 Nf6 2. Nf3 c5 3. Bg5 cxd4 4. Nxd4 Ne4 5. Bf4 Qb6 6. Nb3 *
Position (FEN): rnb1kb1r/pp1ppppp/1q6/8/4nB2/1N6/PPP1PPPP/RN1QKB1R b KQkq - 4 6
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 969
Best move: Qxf2#