Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Two_Pawns_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6 8. Be3
dxe5 9. c5 Nd5 10. Bc4 e6 11. O-O Nxe3 12. fxe3 exd4 *
Position (FEN): r2qkb1r/ppp2ppp/2n1p3/2P5/2Bp4/4PQ1P/PP4P1/RN3RK1 w kq - 0 13
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 859
Best move: Qxf7#