Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Four_Knights_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Qa5 7. Bxf6 gxf6 8.
Nb3 Qb4 9. Bd3 Rg8 10. Qf3 Nd4 11. Nxd4 Qxb2 12. Ndb5 *
Position (FEN): r1b1kbr1/pp1p1p1p/4pp2/1N6/4P3/2NB1Q2/PqP2PPP/R3K2R b KQq - 1 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1204
Best move: Qxa1+