Chess puzzle (Checkmate)
Opening: Catalan_Opening, Catalan_Opening_Open_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4
Qd5 9. Nbd2 Nc6 10. e3 Qh5 11. Nxc4 Bd7 12. Bd2 Rfd8 13. a5 Nb4 14. Qb3 Nbd5
15. Nfe5 Ng4 16. Bf3 *
Position (FEN): r2r2k1/1ppbbppp/p3p3/P2nN2q/2NP2n1/1Q2PBP1/1P1B1P1P/R4RK1 b - - 6 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 874
Best move: Qxh2#