Chess puzzle (Checkmate)
Opening: Grunfeld_Defense, Grunfeld_Defense_Exchange_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8.
Bc4 Nc6 9. Bxf7+ Kxf7 10. Ng5+ Kg8 11. Qb3+ Kf8 *
Position (FEN): r1bq1k1r/pp2p1bp/2n3p1/2p3N1/3PP3/1QP5/P4PPP/R1B1K2R w KQ - 4 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1375
Best move: Qf7#