Analysis, based on the final position in this game (see Reference).

37. a4 Rg6 38. Ke3 Rd6 39. Kf4 Rf6 40. Ke5 f4 41. Ke4 Rg6 42. Kxf4 Rf6+ 43. Ke4 Rd6 44. f4 Rg6 45. f5 Rf6 46. Ke5 h5! 47. Qxh5+ Kg8 48. Qe8+ Kh7.

Black shuffles the rook between f6 and h6, and White can make no progress.

Reference(s): Bartczak - Spence, DCU Majors 2024, IRLchess, March 20, 2024.

Download pgn.