Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Froms_Gambit
Moves: 1. f4 e5 2. fxe5 d6 3. e6 Bxe6 4. Nf3 g5 5. h3 h5 6. e4 g4 7. hxg4 Bxg4 8. d4
Nc6 9. Be3 Bg7 10. c3 d5 11. e5 f6 12. Bd3 fxe5 13. Bg6+ Kf8 14. O-O Nf6 15.
dxe5 Nxe5 16. Bc5+ Kg8 17. Nxe5 Bxd1 18. Bf7+ Kh7 19. Bg6+ Kh6 *
Position (FEN): r2q3r/ppp3b1/5nBk/2BpN2p/8/2P5/PP4P1/RN1b1RK1 w - - 4 20
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1690
Best move: Be3#