Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. Nc3 e5 3. Nf3 a6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 h6 7. Bd3 Nf6 8.
Bd2 d6 9. h3 Be7 10. f4 O-O 11. g4 Nd7 12. Rg1 Bh4+ 13. Ke2 Nc5 14. g5 hxg5 15.
fxg5 Bxh3 16. Qe3 Nxd3 17. Qxh3 Bf2 18. cxd3 Bxg1 19. Rxg1 d5 20. Rh1 f5 21.
Qh7+ Kf7 22. g6+ Ke6 23. Qxg7 dxe4 24. dxe4 fxe4 25. Nxe4 Qd5 26. Rh4 Qc4+ 27.
Ke1 *
Position (FEN): r4r2/1pp3Q1/p3k1P1/8/2q1N2R/8/PP1B4/4K3 b - - 4 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 883
Best move: Rf1#