Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Been-Koomen_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c5 5. dxc5 Bxc5 6. cxd5 exd5 7. Bxf6 Qxf6
8. Nxd5 Bxf2+ 9. Kd2 Qxb2+ 10. Qc2 Qxa1 *
Position (FEN): rnb1k2r/pp3ppp/8/3N4/8/8/P1QKPbPP/q4BNR w kq - 0 11
White to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 1562
Best move: Qxc8#