Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 e5 3. d5 Nf6 4. Nc3 c6 5. Bg5 Be7 6. dxc6 Nxc6 7. Bb5 a6 8.
Bxc6+ bxc6 9. Nf3 h6 10. Bh4 Bg4 11. h3 Bxf3 12. Qxf3 Nh7 13. Bxe7 Qxe7 14. Na4
Rb8 15. b3 Ng5 16. Qd3 Rb4 17. Qxa6 O-O 18. O-O Rxe4 19. Nb6 Nxh3+ 20. gxh3
Qg5+ 21. Kh2 Rh4 22. Rg1 Qf5 23. Qe2 *
Position (FEN): 5rk1/5pp1/1Npp3p/4pq2/7r/1P5P/P1P1QP1K/R5R1 b - - 6 23
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1235
Best move: Qxh3#