Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 Nf6 3. h3 Bf5 4. Nc3 c5 5. dxc5 Nc6 6. Nb5 Qa5+ 7. Nc3 e5 8.
Bd2 Bxc5 9. Nxd5 Ne4 10. Bxa5 *
Position (FEN): r3k2r/pp3ppp/2n5/B1bNpb2/4n3/7P/PPP1PPP1/R2QKBNR b KQkq - 0 10
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1439
Best move: Bxf2#