Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Bf5 6. Bf4 e6 7. e3 a6 8. Bd3
Bg6 9. O-O Bd6 10. Bg3 Nc6 11. Ne5 Nh5 12. Nxg6 hxg6 13. Bxd6 Qxd6 14. a4 Nf6
15. a5 *
Position (FEN): r3k2r/1p3pp1/p1nqpnp1/P2p4/3P4/2NBP3/1P3PPP/R2Q1RK1 b kq - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 443
Best move: Qxh2#