Chess puzzle (Checkmate)
Opening: Rapport-Jobava_System, Rapport-Jobava_System_Other_variations
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. Qd2 e6 5. O-O-O Bb4 6. Qe3 Nbd7 7. Nb5 c6 8.
Nc7+ Ke7 9. Nxa8 Qa5 10. a3 Qa4 11. axb4 *
Position (FEN): N6r/pp1nkppp/2p1pn2/3p1b2/qP1P1B2/4Q3/1PP1PPPP/2KR1BNR b - - 0 11
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1485
Best move: Qxc2#