Chess puzzle (Checkmate)
Opening: Queens_Indian_Defense, Queens_Indian_Defense_Spassky_System
Moves: 1. d4 Nf6 2. c4 e6 3. e3 b6 4. Nf3 Bb7 5. Be2 d5 6. cxd5 Bxd5 7. Nc3 Bb7 8. O-O
Nbd7 9. Qc2 Be7 10. Nb5 c5 11. dxc5 Nxc5 12. Nc3 O-O 13. a3 Qd6 14. Nb5 Qc6 15.
Nc3 g5 16. Ne5 *
Position (FEN): r4rk1/pb2bp1p/1pq1pn2/2n1N1p1/8/P1N1P3/1PQ1BPPP/R1B2RK1 b - - 1 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 924
Best move: Qxg2#