Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 e4 5. Ng5 Ne5 6. b3 Qe7 7. Ngxe4 Nxe4 8.
Nxe4 f5 9. Nc3 *
Position (FEN): r1b1kb1r/ppppq1pp/8/4np2/2P5/1PN3P1/P2PPP1P/R1BQKB1R b KQkq - 1 9
Black to move.
Themes: Pin Opening Mate in 1, Smothered Mate 
Puzzle rating: 708
Best move: Nd3#