Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 c6 6. Nf3 f6 7. O-O f5 8. Nc3
e6 9. Bg5 Be7 10. Bxe7 Qxe7 11. Qd2 Qb4 12. Bb3 O-O 13. Nxd5 Qxd2 14. Nxd2 cxd5
15. Rac1 Nc6 16. Nf3 Nb4 17. a3 Nd3 18. Rc2 Nf4 19. Rc7 b5 20. Ng5 a5 21. Kh1
h6 22. Nf3 g5 23. h3 g4 24. hxg4 fxg4 25. Nh4 h5 26. f3 g3 27. Rfc1 Ne2 28. Rd1
Nf4 29. Rdc1 Nd3 30. R1c2 a4 31. Ba2 *
Position (FEN): r1b2rk1/2R5/4p3/1p1pP2p/p2P3N/P2n1Pp1/BPR3P1/7K b - - 1 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1352
Best move: Rf4