Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Nf6 7. Be2 Bb4 8. f3
Bxc3+ 9. bxc3 e5 10. Nf5 d5 11. Nxg7+ Kf8 12. Bh6 Ke7 13. Nf5+ Bxf5 14. exf5
Rg8 15. g4 d4 16. g5 Nd5 17. f6+ Ke6 18. Bc4 Na5 19. Bd3 Nxc3 20. Qd2 Nc6 21.
f4 e4 22. Bc4+ Kf5 23. Bxf7 Rg6 24. Bxg6+ hxg6 25. Qg2 Nb4 26. Qh3+ Kxf4 27.
Rf1+ Ke5 28. Qg3+ Kd5 29. f7 Nxc2+ 30. Kd2 e3+ 31. Kd3 *
Position (FEN): r2q4/1p3P2/p5pB/3k2P1/3p4/2nKp1Q1/P1n4P/R4R2 b - - 1 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1384
Best move: Nb4#