Chess puzzle (Checkmate)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Other_variations
Moves: 1. b3 e6 2. Bb2 d5 3. e3 Nf6 4. Nf3 Be7 5. c4 c6 6. cxd5 cxd5 7. Be2 O-O 8. d3
b6 9. Nbd2 Bb7 10. Ne5 Nc6 11. f4 Nd7 12. Nxd7 Qxd7 13. O-O Rac8 14. Qe1 d4 15.
Qg3 dxe3 *
Position (FEN): 2r2rk1/pb1qbppp/1pn1p3/8/5P2/1P1Pp1Q1/PB1NB1PP/R4RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 774
Best move: Qxg7#