Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O h6 9. Be3 b5 10. a3 Bb7 11. Bd3 Ng4 12. h3 Nxe3 13. Qxe3 Bg5 14. f4 e5
15. fxg5 exd4 16. Qxd4 Qxg5+ 17. Kb1 Nc6 18. Qxd6 Rd8 19. Qc7 Rd7 20. Qb6 O-O
21. g4 Rfd8 22. Rhf1 Ne5 23. Be2 Nc4 24. Bxc4 bxc4 25. Rxd7 Rxd7 26. Qb4 Rc7
27. Nd5 Bxd5 28. exd5 Rc8 29. d6 Qd5 30. Rf5 Qd1+ 31. Ka2 Qxc2 32. d7 Rd8 33.
Rd5 c3 34. Qxc3 Qxc3 35. bxc3 Kf8 36. Rd6 Ke7 37. Rxa6 Kxd7 38. Ra4 Re8 39.
Rd4+ Kc6 40. a4 Re3 41. Kb3 Rxh3 42. a5 Rh1 43. Ra4 Kb5 *
Position (FEN): 8/5pp1/7p/Pk6/R5P1/1KP5/8/7r w - - 3 44
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 2018
Best move: a6