Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 a6 6. e3 O-O 7. Qc2 c5 8. cxd5
exd5 9. Bd3 Nc6 10. dxc5 Bxc5 11. O-O Be7 12. Rad1 Be6 13. Ng5 h6 14. Nf3 Nb4
15. Qb1 Nxd3 16. Qxd3 Qa5 17. Rc1 Rac8 18. Rfd1 Bg4 19. h3 Bxf3 20. gxf3 Rfd8
21. Nxd5 *
Position (FEN): 2rr2k1/1p2bpp1/p4n1p/q2N4/5B2/3QPP1P/PP3P2/2RR2K1 b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1750
Best move: Rxc1