Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c4 Nc6 3. Ne2 e5 4. Nbc3 Nf6 5. d3 Nd4 6. g3 *
Position (FEN): r1bqkb1r/pp1p1ppp/5n2/2p1p3/2PnP3/2NP2P1/PP2NP1P/R1BQKB1R b KQkq - 0 6
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 993
Best move: Nf3#