Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Levitsky_Attack
Moves: 1. d4 d5 2. Bg5 c5 3. dxc5 Nc6 4. e4 dxe4 5. Qxd8+ Nxd8 6. Nc3 Bf5 7. O-O-O Ne6
*
Position (FEN): r3kbnr/pp2pppp/4n3/2P2bB1/4p3/2N5/PPP2PPP/2KR1BNR w kq - 4 8
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1007
Best move: Bb5#