Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Qf3 Nc6 3. c3 Nf6 4. d3 d6 5. d4 Bg4 6. Qg3 cxd4 7. c4 Qa5+ 8. Bd2
Nb4 9. Na3 Qxa3 10. bxa3 *
Position (FEN): r3kb1r/pp2pppp/3p1n2/8/1nPpP1b1/P5Q1/P2B1PPP/R3KBNR b KQkq - 0 10
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 874
Best move: Nc2#