Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Marshall_Counterattack
Moves: 1. e4 c5 2. Nf3 e6 3. d4 d5 4. exd5 exd5 5. dxc5 Bxc5 6. Nc3 Be6 7. Bb5+ Nc6 8.
Ng5 Qf6 9. O-O Ne7 10. Bxc6+ bxc6 11. Nxe6 fxe6 12. Qe2 O-O 13. Bd2 Nf5 14. Nd1
Nd4 15. Qd3 Nb5 16. Be3 d4 17. Bd2 e5 *
Position (FEN): r4rk1/p5pp/2p2q2/1nb1p3/3p4/3Q4/PPPB1PPP/R2N1RK1 w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 979
Best move: Qc4+