Chess puzzle (Crushing)
Moves: 1. e4 e5 2. d4 exd4 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Bxb4 Qxb4+ 6. Nbd2 Nf6 7. Bd3 d6
8. O-O Bg4 9. Nb3 Nc6 10. Re1 Ne5 11. a3 Qb6 12. a4 Bxf3 13. gxf3 c5 14. Bb5+
Nc6 15. e5 dxe5 16. Rxe5+ Kd8 17. Rxc5 a6 18. Bxc6 bxc6 19. Qxd4+ Kc7 20. Qe5+
Kb7 21. Qe7+ Qc7 22. Na5+ Kb8 23. Qxc7+ Kxc7 24. Rxc6+ Kb8 25. Rd1 Rc8 26.
Rxc8+ Kxc8 27. b3 Ra7 28. Nc4 Rc7 29. a5 Nd7 30. Kg2 Kb7 31. Rd6 f6 32. h4 Kc8
33. Nb6+ Nxb6 34. axb6 Rxc2 35. b7+ Kxb7 36. Rd7+ Kc6 37. Rxg7 Rb2 38. Rxh7
Rxb3 39. Rh6 a5 40. Rxf6+ Kb5 41. Rf5+ Kb4 42. Rxa5 *
Position (FEN): 8/8/8/R7/1k5P/1r3P2/5PK1/8 b - - 0 42
Black to move.
Themes: Hanging Piece Endgame, Rook Endgame  
Puzzle rating: 881
Best move: Kxa5