Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e3 Bf5 3. a3 Nf6 4. b4 e6 5. Bb2 a5 6. c3 b6 7. Nd2 c5 8. dxc5 bxc5
9. bxc5 Bxc5 10. Nb3 Qb6 11. a4 Nbd7 12. Bb5 O-O 13. Ne2 Ne5 14. O-O Nd3 15.
Bxd3 Bxd3 16. Nxc5 Bxe2 17. Qxe2 Qxc5 18. Ba3 Qxc3 19. Bxf8 Rxf8 20. Qb5 Ne4
21. Rac1 Qd2 22. Rfd1 Qxf2+ 23. Kh1 Qxe3 24. Re1 Nf2+ 25. Kg1 Nh3+ 26. Kh1 Qg1+
27. Rxg1 *
Position (FEN): 5rk1/5ppp/4p3/pQ1p4/P7/7n/6PP/2R3RK b - - 0 27
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 947
Best move: Nf2#