Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Wagner-Zwitersch_Gambit
Moves: 1. f4 f5 2. e4 fxe4 3. d3 Nf6 4. dxe4 Nxe4 5. Bd3 Nf6 6. g4 h6 *
Position (FEN): rnbqkb1r/ppppp1p1/5n1p/8/5PP1/3B4/PPP4P/RNBQK1NR w KQkq - 0 7
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 580
Best move: Bg6#