Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. e4 g6 4. d3 Bg7 5. Nge2 Nd4 6. g3 *
Position (FEN): r1bqk1nr/pppp1pbp/6p1/4p3/2PnP3/2NP2P1/PP2NP1P/R1BQKB1R b KQkq - 0 6
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1130
Best move: Nf3#