Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Janowski-Larsen_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nf3 Bg4 5. Bxc4 a6 6. Qa4+ c6 7. Bxf7+ Kxf7 8.
Qc4+ e6 9. Ng5+ Ke7 10. f3 Bh5 *
Position (FEN): rn1q1b1r/1p2k1pp/p1p1pn2/6Nb/2QP4/4PP2/PP4PP/RNB1K2R w KQ - 1 11
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 763
Best move: Qxe6#