Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d5 6. exd5 exd5 7. Be3 a6 8.
Nd4 Nf6 9. Nc3 Bb4 10. Qd2 Ne4 11. Nxc6 bxc6 12. Qd4 O-O *
Position (FEN): r1bq1rk1/5ppp/p1p5/3p4/1b1Qn3/2N1B3/PPP2PPP/R3KB1R w KQ - 2 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1070
Best move: Qxb4