stradling vs A7mdWooo

How it swung

The one slip

26...♗xe5 cost 11.8 pawns. ♖xg2+ would have held it.

There was mate on the board here. 26...♖xg2+ starts it.

The point: 27.♔xg2 ♕f2+ 28.♔h1 ♕h2#

The score

1. 1. e4 d5
2. 2. exd5 Nf6
3. 3. Bc4 Nxd5
4. 4. Nf3 Bg4
5. 5. O-O e6
6. 6. d4 Nc6
7. 7. Bb5 a6
8. 8. Bxc6+ bxc6
9. 9. Be3 Bd6
10. 10. h3 Bh5
11. 11. c4 Nxe3
12. 12. fxe3 O-O
13. 13. c5 Bg3
14. 14. Nbd2 Rb8
15. 15. Qc2 f6
16. 16. Qc4 Qd5
17. 17. Qxa6 Rxb2
18. 18. e4 Qd7
19. 19. Rad1 f5
20. 20. Nc4 fxe4
21. 21. Nfe5 Rxf1+
22. 22. Kxf1 Rf2+
23. 23. Kg1 Qe8
24. 24. Rb1 h6
25. 25. Nxc6 Qf7
26. 26. N4e5 Bxe5
27. 27. Nxe5 Qf5
28. 28. Qc8+ Kh7
29. 29. Qxc7 e3
30. 30. Qb7 e2
31. 31. Qb3 Rf1+
32. 32. Kh2 Qf4+
33. 33. g3 Qf2#