Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nf6 3. e4 Bc5 4. d3 Nc6 5. Nge2 Nd4 6. Be3 d6 7. g3 *
Position (FEN): r1bqk2r/ppp2ppp/3p1n2/2b1p3/2PnP3/2NPB1P1/PP2NP1P/R2QKB1R b KQkq - 0 7
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1318
Best move: Nf3#