pitbill67 vs vertbtw

How it swung

The one slip

25.♖xg7+ cost 7.7 pawns. ♖f5+ would have held it.

That did nothing about the bishop on h5, hanging before the move and hanging after. 25...♖xh5 takes it.

The point: 25...g6 26.♖xe5+ ♔f7 27.♗f3

The score

1. 1. e4 e5
2. 2. Nf3 Nc6
3. 3. d3 Nf6
4. 4. Nc3 d5
5. 5. Be3 d4
6. 6. Nd5 Nxd5
7. 7. exd5 Qxd5
8. 8. Bd2 Bd6
9. 9. c4 Qe6
10. 10. g3 O-O
11. 11. Ng5 Qf6
12. 12. Qh5 h6
13. 13. Bh3 hxg5
14. 14. Bxg5 Qg6
15. 15. Bg4 Qxh5
16. 16. Bxh5 Re8
17. 17. O-O Be7
18. 18. Bxe7 Rxe7
19. 19. Rae1 Nb4
20. 20. Re4 Nxd3
21. 21. f4 Kf8
22. 22. fxe5 Nxe5
23. 23. Rxe5 Rxe5
24. 24. Rxf7+ Ke8
25. 25. Rxg7+ Kf8
26. 26. Rf7+ Kg8
27. 27. Bg6 Be6
28. 28. Rxc7 Re1+
29. 29. Kf2 Rc1
30. 30. b3 Rc8
31. 31. Rxb7 d3
32. 32. Bxd3 Rf8+
33. 33. Ke2 Bg4+
34. 34. Kd2 Rff1
35. 35. Rxa7 Rfd1+
36. 36. Ke3 Re1+
37. 37. Kd2 Rcd1+
38. 38. Kc3 Re3
39. 39. Ra8+ Kf7
40. 40. Ra7+ Kf6
41. 41. Ra6+ Ke5
42. 42. Ra5+ Ke6
43. 43. Ra6+ Ke5
44. 44. Ra5+ Kf6
45. 45. Ra6+ Be6
46. 46. Rd6 Rexd3+
47. 47. Rxd3 Rxd3+
48. 48. Kxd3 Kg5
49. 49. Kd4 Bf5
50. 50. Kd5 Kg4
51. 51. c5 Bc8
52. 52. b4 Kh3
53. 53. b5 Kxh2
54. 54. b6 Kxg3
55. 55. c6 Kf3
56. 56. Kd6 Ke4
57. 57. Kc7 Ba6
58. 58. b7