Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. d3 d6 6. O-O Bd7 7. a3 O-O 8. Bg5
Nb8 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Bxd7 Nxd7 12. c3 Nf6 13. Nxf6+ Qxf6 14. h3
Rfd8 15. Nh2 d5 16. Qf3 Rd6 17. exd5 Qxf3 18. Nxf3 Rxd5 19. Rad1 Rad8 20. Rfe1
f6 21. b4 Bb6 22. d4 exd4 *
Position (FEN): 3r2k1/ppp3pp/1b3p2/3r4/1P1p4/P1P2N1P/5PP1/3RR1K1 w - - 0 23
White to move.
Themes:  Endgame  
Puzzle rating: 1687
Best move: c4