Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Baltic_Defense
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Nf3 e6 5. e3 Nf6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3
Qe7 9. cxd5 cxd5 10. b3 Nbd7 11. Bb2 O-O-O 12. Rc1 Kb8 13. O-O Qd6 14. Qc2 *
Position (FEN): 1k1r1b1r/pp1n1pp1/3qpnp1/3p4/3P4/1PNBP3/PBQ2PPP/2R2RK1 b - - 8 14
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 502
Best move: Qxh2#