Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 d6 6. Nxd5 dxc5 7. Bc4 Nc6 8.
Nf3 Bg4 9. Ne3 Bxf3 10. Qxf3 Nxe5 11. Qxb7 Rb8 12. Bb5+ Nd7 13. Qc6 g6 14. b3
Bg7 15. Rb1 Rxb5 16. Qxb5 O-O 17. Bb2 Ne5 18. O-O Qxd2 19. Rfd1 Qb4 20. Qa6 Qe4
21. Qxa7 Nd3 22. Bxg7 Ra8 23. Qxc7 Kxg7 24. a4 Ra6 25. Nc4 Rf6 26. f3 Qd4+ 27.
Kh1 Nf2+ 28. Kg1 Nh3+ 29. Kh1 Qg1+ 30. Rxg1 *
Position (FEN): 8/2Q1ppkp/5rp1/2p5/P1N5/1P3P1n/6PP/1R4RK b - - 0 30
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 844
Best move: Nf2#