Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 e6 6. a3 a5 7. Be3 Nge7 8. dxc5 Ng6
9. Bb5 Bd7 10. Bd4 Nxd4 11. Bxd7+ Qxd7 12. cxd4 Qb5 13. Qc2 Nf4 14. Nc3 Qd3 15.
Qa4+ Ke7 16. Qd1 *
Position (FEN): r4b1r/1p2kppp/4p3/p1PpP3/3P1n2/P1Nq1N2/1P3PPP/R2QK2R b KQ - 8 16
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1035
Best move: Nxg2#