Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Mieses-Kotroc_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. c4 Qe6+ 4. Qe2 Nc6 5. Nf3 Qxe2+ 6. Bxe2 e5 7. d3 Bf5
8. Nc3 Bd6 9. Be3 Nge7 10. a3 f6 11. O-O-O Kf7 12. h3 Bg6 13. d4 Na5 14. c5 *
Position (FEN): r6r/ppp1nkpp/3b1pb1/n1P1p3/3P4/P1N1BN1P/1P2BPP1/2KR3R b - - 0 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 831
Best move: Nb3#