Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Marshall_Counterattack
Moves: 1. e4 c5 2. Nf3 e6 3. d4 d5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. e5 Ne7 7. O-O Ng6 8.
Nbd2 Be7 9. Nb3 cxd4 10. Qxd4 Nc6 11. Qe3 O-O 12. Nbd4 Qc7 13. Nxc6 bxc6 14. b3
c5 15. c4 d4 16. Qe4 h6 17. h3 Qd7 18. Nh2 Bd8 *
Position (FEN): r2b1rk1/p2q1pp1/4p1np/2p1P3/2PpQ3/1P5P/P4PPN/R1B2RK1 w - - 3 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 864
Best move: Qxa8