Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. e3 d5 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 Be7 8. Ne5
Bd7 9. Nxd7 Qxd7 10. O-O O-O 11. dxc5 Bxc5 12. a3 Rad8 13. b4 Bb6 14. Ba4 a6
15. Bb2 Bc7 16. b5 axb5 17. Nxb5 Bb8 18. Nd4 Qd6 19. Nf5 *
Position (FEN): 1b1r1rk1/1p3ppp/2nq1n2/3p1N2/B7/P3P3/1B3PPP/R2Q1RK1 b - - 4 19
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 433
Best move: Qxh2#