Chess puzzle (Advantage)
Moves: 1. d4 g6 2. c4 Bg7 3. Nc3 e6 4. Nf3 Nc6 5. Bf4 Nce7 6. e4 a6 7. Be2 f5 8. exf5
Nxf5 9. Be5 Nf6 10. g4 Nxg4 11. Bxg7 Nxg7 12. Ne5 Nxe5 13. dxe5 O-O 14. Qd2 Qh4
15. Qe3 Nf5 16. Qe4 Qxe4 17. Nxe4 Nd4 18. Nf6+ Kg7 19. Bd3 d6 20. f4 dxe5 21.
fxe5 Nf3+ 22. Ke2 Nxe5 23. Ne4 b5 24. cxb5 Nxd3 25. Kxd3 Bb7 26. bxa6 Rxa6 27.
Nc5 Rd6+ 28. Ke2 Bxh1 29. Rxh1 Rf5 30. b4 Re5+ 31. Kf3 g5 32. a4 h5 33. Ra1
Rf5+ 34. Ke3 Re5+ 35. Ne4 Ra6 36. Kd4 Rd5+ 37. Kc4 Kg6 38. Nc5 Rc6 39. a5 Kf5
40. a6 Ke5 *
Position (FEN): 8/2p5/P1r1p3/2Nrk1pp/1PK5/8/7P/R7 w - - 1 41
White to move.
Themes: Advanced Pawn Endgame  
Puzzle rating: 1711
Best move: a7