Chess puzzle (Checkmate)
Moves: 1. b4 e5 2. Bb2 d6 3. e3 a6 4. Bc4 Be7 5. Qf3 Nf6 6. a3 Bg4 7. Qxb7 Nbd7 8.
Bxa6 O-O 9. Be2 Rb8 10. Qc6 Rb6 11. Qc3 Nd5 12. Qc4 Bxe2 13. Nxe2 N7f6 14. O-O
Qd7 15. Nec3 Rc6 16. Qb3 Nxc3 17. Bc1 Ne2+ 18. Kh1 Nxc1 19. Rxc1 Qf5 20. d3
Qxf2 21. b5 Rb6 22. e4 Qe3 23. Nc3 Ng4 24. Rf1 Nf2+ 25. Kg1 Nh3+ 26. Kh1 Qg1+
27. Rxg1 *
Position (FEN): 5rk1/2p1bppp/1r1p4/1P2p3/4P3/PQNP3n/2P3PP/R5RK b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1, Smothered Mate 
Puzzle rating: 950
Best move: Nf2#