Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 h6 4. O-O Nf6 5. Nc3 a6 6. a4 e6 7. d4 Na5 8. Ba2 c4
9. b3 Bb4 10. Bb2 O-O 11. bxc4 Bxc3 12. Bxc3 Nxe4 13. Bb2 d5 14. Re1 Nf6 15. c5
b6 16. Bb1 Nc4 17. Bc1 bxc5 18. Ne5 Nxe5 19. dxe5 Ne4 20. c4 Bb7 21. Qd3 dxc4
22. Qxc4 Qd4 *
Position (FEN): r4rk1/1b3pp1/p3p2p/2p1P3/P1Qqn3/8/5PPP/RBB1R1K1 w - - 1 23
White to move.
Themes:  Middlegame  
Puzzle rating: 1671
Best move: Qxd4