Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8.
Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Ba2 *
Position (FEN): r1bq1rk1/1p1pppbp/6p1/p7/P2nP1Q1/2N1B3/BPP2PPP/R3K2R b KQ - 1 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1012
Best move: Nxc2+