Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 c5 3. Nf3 d5 4. exd5 exd5 5. Bb5+ Nc6 6. Ne5 Qc7 7. Bf4 Bd6 8.
O-O Ne7 9. Nxc6 bxc6 10. Bxd6 Qxd6 11. dxc5 Qxc5 12. Ba4 O-O 13. Nc3 Be6 14. a3
a6 15. Bb3 Qd6 16. h3 Qe5 17. Re1 Qg5 18. Kh1 Rfd8 19. Ne2 c5 20. Ng3 Nc6 21.
Ba4 Na5 22. b4 cxb4 23. axb4 Nc4 24. Bc6 Ra7 25. b5 a5 26. c3 h6 27. Ne2 Nb2
28. Qd4 Qe7 29. b6 Ra6 30. Reb1 Nc4 31. Nf4 Qd6 32. Nxe6 fxe6 33. Bb5 Rxb6 34.
Bxc4 Rxb1+ 35. Rxb1 dxc4 36. Qxd6 Rxd6 37. Ra1 Rd5 38. Ra4 Kf7 39. Rxc4 e5 40.
Rc7+ Kf6 41. c4 Rd4 42. c5 a4 43. Rc8 a3 44. c6 *
Position (FEN): 2R5/6p1/2P2k1p/4p3/3r4/p6P/5PP1/7K b - - 0 44
Black to move.
Themes: Advanced Pawn Endgame, Rook Endgame  
Puzzle rating: 1804
Best move: a2