Chess puzzle (Checkmate)
Opening: Elephant_Gambit, Elephant_Gambit_Paulsen_Countergambit
Moves: 1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Nd4 Qxd5 5. c3 c5 6. Ne2 Nf6 7. Na3 Nbd7 8.
Nb5 Ne5 9. Nc7+ Kd8 10. Nxd5 *
Position (FEN): r1bk1b1r/pp3ppp/5n2/2pNn3/4p3/2P5/PP1PNPPP/R1BQKB1R b KQ - 0 10
Black to move.
Themes:  Opening Mate in 1, Smothered Mate 
Puzzle rating: 1384
Best move: Nd3#