Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Qa5+ 4. c3 Qb6 5. Qc2 Nf6 6. Nf3 Bf5 7. Bd3 Bxd3 8.
Qxd3 Qxb2 9. O-O Qxa1 10. Qc2 cxd4 11. cxd4 Ne4 *
Position (FEN): rn2kb1r/pp2pppp/8/3p4/3PnB2/4PN2/P1Q2PPP/qN3RK1 w kq - 1 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 961
Best move: Qc8#