Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d5 6. exd5 exd5 7. Qxd5 Qe7+
8. Be3 Be6 9. Qf3 O-O-O 10. Bd3 Qb4+ 11. N5c3 *
Position (FEN): 2kr1bnr/pp3ppp/2n1b3/8/1q6/2NBBQ2/PPP2PPP/RN2K2R b KQ - 8 11
Black to move.
Themes:  Opening  
Puzzle rating: 1262
Best move: Qxb2