Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Bc4 g6 5. Nxd4 Bg7 6. Nxc6 bxc6 7. Nc3 Bb7 8.
O-O e6 9. Re1 Ne7 10. Bg5 d5 11. exd5 cxd5 12. Bb5+ Kf8 13. Rb1 f6 14. Bh4 Kf7
15. Bg3 Rf8 16. Ba4 e5 17. Qf3 Kg8 18. Bb3 Kh8 19. Rbd1 d4 *
Position (FEN): r2q1r1k/pb2n1bp/5pp1/4p3/3p4/1BN2QB1/PPP2PPP/3RR1K1 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 867
Best move: Qxb7