Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. Bf4 e6 6. e3 Bb4 7. Be2 Bxf3 8. gxf3
Qa5 9. Qc2 Nbd7 10. Rg1 Nh5 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nb6 14. Bc7 Bxc3+ 15.
bxc3 Qa4 16. Qxa4 Nxa4 17. f4 Nf6 18. Be5 Ke7 19. Rc1 Rhg8 20. Bd1 Nb2 21. Rb1
Nxc4 22. Rxb7+ Nd7 23. Ba4 Na5 24. Bf6+ Kd6 25. Be5+ Ke7 26. Rb1 gxf4 27. Rxg8
Rxg8 28. Kf1 Nxe5 29. dxe5 fxe3 30. fxe3 Nc4 31. Rb7+ Kf8 32. Rxa7 Nxe3+ 33.
Ke2 Nc4 34. Bxc6 Nxe5 35. Bb7 Rg2+ 36. Ke3 Rxh2 37. Kd4 Nf3+ 38. Ke3 Ng5 39. a4
Rh3+ 40. Kd4 Ne4 41. c4 dxc4 42. Bxe4 Rh4 43. Ke3 f5 44. Bb1 Rg4 45. a5 h5 *
Position (FEN): 5k2/R7/4p3/P4p1p/2p3r1/4K3/8/1B6 w - - 0 46
White to move.
Themes:  Endgame  
Puzzle rating: 2267
Best move: a6