Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. Bxd6 Qxd6 5. c4 Qb4+ 6. Qd2 Qxc4 7. e3 Qc6 8.
Ne5 Qd6 9. Nc3 a6 10. Bd3 Nd7 11. Nf3 Ngf6 12. O-O e5 13. dxe5 Nxe5 14. Nxe5
Qxe5 15. Bc2 Qg5 16. Rfe1 O-O 17. Rad1 c6 18. e4 Qxd2 19. Rxd2 dxe4 20. Nxe4
Nxe4 21. Rxe4 Bf5 22. Re7 Bxc2 23. Rxc2 Rfe8 24. Rce2 Kf8 25. R7e3 Rxe3 26.
fxe3 Rd8 27. Kf2 Ke7 28. a3 b5 29. g4 Ke6 30. Kf3 g5 31. Rc2 Rd6 32. h3 f5 33.
gxf5+ Kxf5 34. Rc5+ Kf6 35. Kg4 h6 36. e4 Re6 37. Kh5 Rxe4 38. Rxc6+ Kf5 39.
Kxh6 Rh4+ 40. Kg7 Rxh3 41. Rxa6 Rb3 42. Rf6+ Ke4 43. Kg6 Rxb2 44. Kxg5 Rg2+ 45.
Kh4 Kd4 46. a4 *
Position (FEN): 8/8/5R2/1p6/P2k3K/8/6r1/8 b - - 0 46
Black to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 2026
Best move: b4