Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d3 Qc7 5. Be2 Nf6 6. O-O d6 7. b3 Nc6 8. Ng5
Nd4 9. Bf3 Be7 10. Be3 b5 11. e5 Nxf3+ 12. Qxf3 Bb7 13. Nge4 dxe5 14. Qd1 b4
15. Nxf6+ Bxf6 16. Na4 e4 17. Rb1 Bd4 18. Bxd4 cxd4 19. dxe4 Bxe4 *
Position (FEN): r3k2r/2q2ppp/p3p3/8/Np1pb3/1P6/P1P2PPP/1R1Q1RK1 w kq - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1042
Best move: Qxd4