Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 dxc4 6. O-O Rb8 7. a4 b6 8. Qc2
Ba6 9. Rd1 Nd5 10. Ne5 Nb4 11. Qe4 Bb7 12. Qf4 Bxg2 *
Position (FEN): 1r1qkb1r/p1pn1ppp/1p2p3/4N3/PnpP1Q2/6P1/1P2PPbP/RNBR2K1 w k - 0 13
White to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 843
Best move: Qxf7#