Chess puzzle (Advantage)
Moves: 1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Be7 5. Bg2 d5 6. d3 Nf6 7. O-O dxe4 8. dxe4
O-O 9. Nc3 e5 10. Bg5 Bg4 11. Rfd1 Nd4 12. Qe3 Qc7 13. h3 Bxf3 14. Bxf3 Nxc2
15. Qc1 Nxa1 16. Qxa1 Rad8 17. Bxf6 Bxf6 18. Nd5 Qc6 19. Qc1 a6 20. Bg2 b5 21.
f4 exf4 22. Qxf4 Bd4+ *
Position (FEN): 3r1rk1/5ppp/p1q5/1ppN4/3bPQ2/6PP/PP4B1/3R2K1 w - - 1 23
White to move.
Themes:  Middlegame  
Puzzle rating: 1339
Best move: Rxd4