Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. d4 cxd4 5. cxd4 exd4 6. Nxd4 Bb4+ 7. Bd2 Bxd2+
8. Qxd2 Nf6 9. Nc3 Qb6 10. Nb3 O-O 11. Be2 Re8 12. f3 a6 13. O-O-O a5 14. a4 *
Position (FEN): r1b1r1k1/1p1p1ppp/1qn2n2/p7/P3P3/1NN2P2/1P1QB1PP/2KR3R b - - 0 14
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 967
Best move: Qxb3