Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e6 6. a3 Qc7 7. Nc3 Nf6 8. Be3
Bd6 9. g3 h5 10. f4 Ng4 11. Bc1 Bc5 12. Nce2 Qb6 13. h3 Nxd4 14. hxg4 *
Position (FEN): r1b1k2r/1p1p1pp1/pq2p3/2b4p/2PnPPP1/P5P1/1P2N3/R1BQKB1R b KQkq - 0 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1238
Best move: Nf3#