Chess puzzle (Advantage)
Moves: 1. e4 Nc6 2. Bc4 e5 3. Nf3 Be7 4. d3 Nf6 5. Ng5 O-O 6. O-O d5 7. exd5 Nxd5 8.
Nf3 Bg4 9. h3 Bh5 10. Nbd2 Bd6 11. Bxd5 Nd4 12. c3 Nxf3+ 13. Nxf3 c6 14. Be4 f5
15. Qb3+ Bf7 16. Qxb7 fxe4 17. dxe4 c5 18. Be3 Qf6 19. Rad1 Bh5 20. Qd5+ Kh8
21. Qxd6 Bxf3 22. Qxf6 gxf6 23. gxf3 Rg8+ 24. Kh2 Rg7 25. Rg1 Rag8 26. Rxg7
Rxg7 27. Rg1 Rc7 28. f4 c4 29. fxe5 fxe5 30. Rg5 Re7 31. h4 a5 32. Bc5 Re6 33.
b3 cxb3 34. axb3 h6 35. Rf5 Kh7 36. b4 a4 37. Rf7+ Kg6 38. Ra7 Rf6 39. Kg3 Rf4
40. f3 Kh5 41. Be7 Rf7 42. Bc5 *
Position (FEN): 8/R4r2/7p/2B1p2k/pP2P2P/2P2PK1/8/8 b - - 4 42
Black to move.
Themes:  Endgame  
Puzzle rating: 1070
Best move: Rxa7