Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Bc4 Bc5 3. a3 Qf6 4. Nf3 Nc6 5. d3 d6 6. Nc3 Be6 7. Bg5 Qg6 8. Nd5
Kd7 9. b4 Bd4 10. c3 Bxd5 11. cxd4 Bxc4 12. dxc4 exd4 13. O-O Ne5 14. Nxe5+
dxe5 15. Qg4+ Qe6 16. Qg3 f6 17. Bd2 Ne7 18. c5 g5 19. Rfc1 h5 20. Qd3 h4 21.
Rc4 f5 *
Position (FEN): r6r/pppkn3/4q3/2P1ppp1/1PRpP2p/P2Q4/3B1PPP/R5K1 w - - 0 22
White to move.
Themes:  Middlegame  
Puzzle rating: 2055
Best move: Rxd4+