Chess puzzle (Checkmate)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 d5 3. e5 Nc6 4. Nf3 d4 5. Bc4 a6 6. O-O b5 7. Bb3 Bb7 8. d3 Bc5
9. Kh1 Nge7 10. c3 Nf5 11. cxd4 Ncxd4 12. Nxd4 Bxd4 13. Nc3 Qh4 14. Ne4 Bxe4
15. dxe4 *
Position (FEN): r3k2r/2p2ppp/p3p3/1p2Pn2/3bPP1q/1B6/PP4PP/R1BQ1R1K b kq - 0 15
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 942
Best move: Ng3#