19. 48-42 10-14 20. 41-37 14-19 21. 37-32 19x30 22. 32x21 20-24 23. 29x20 15x24 24. 40-35 11-16 25. 42-37 16x27 26. 37-32 06-11 27. 32x21 11-16 28. 31-27 22x31 29. 36x27 White probably wanted to prepare the 28-23 move., playing 41-37? but Alessio treats him on a shot. White can't go 28-23 immediately, since black has the standard shot with 27-32!!.the normal line in my opinion would go like the diagram shows. 

19. 48-42 10-14 20. 41-37 14-19 21. 40-35 19x30 22. 35x24 09-14 23. 45-40 27-32 24. 38x27 13-19 25. 24x13 18x09 26. 27x18 12x41