Chess puzzle (Checkmate)
Opening: Tarrasch_Defense, Tarrasch_Defense_Symmetrical_Variation
Moves: 1. d4 e6 2. c4 d5 3. e3 c5 4. Nf3 Nf6 5. Nc3 Nc6 6. cxd5 exd5 7. dxc5 Bxc5 8.
Be2 Be6 9. O-O O-O 10. a3 a6 11. b4 Bd6 12. Bb2 Ng4 13. Na4 b5 14. Nc5 Bxc5 15.
bxc5 Qc7 16. Nd4 *
Position (FEN): r4rk1/2q2ppp/p1n1b3/1pPp4/3N2n1/P3P3/1B2BPPP/R2Q1RK1 b - - 2 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1256
Best move: Qxh2#