Chess puzzle (Advantage)
Moves: 1. c4 Nf6 2. Nc3 Nc6 3. Nf3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. d4 Bg7 8.
Bc4 O-O 9. O-O Bg4 10. h3 Bxf3 11. Qxf3 Na5 12. Bd3 b6 13. Bb2 c5 14. Be4 Rb8
15. Rab1 Nc4 16. Bc1 cxd4 17. cxd4 e5 18. Bd3 Rc8 19. Bxc4 Rxc4 20. d5 e4 21.
Qe2 Qxd5 22. Ba3 Ra4 23. Bxf8 Rxa2 24. Qxa2 Qxa2 25. Bxg7 Kxg7 26. Ra1 Qb2 27.
Rxa7 h5 28. Rd1 Qb5 29. Rdd7 Qf5 30. Rd4 b5 31. Ra5 Qc5 32. Ra1 f5 33. Rb1 f4
34. Rdb4 fxe3 35. fxe3 Qxe3+ 36. Kh2 h4 37. Rxb5 Qg3+ 38. Kg1 e3 39. Rb7+ Kh6
40. R7b3 *
Position (FEN): 8/8/6pk/8/7p/1R2p1qP/6P1/1R4K1 b - - 3 40
Black to move.
Themes:  Endgame, Queen and Rook Endgame  
Puzzle rating: 1014
Best move: Qf2+