In the analysis mode (https://lidraughts.org/analysis) there is the option to create a study from the current analysis. In that case, the main variant of the analysis is saved as a chapter to a new or…

Not a great puzzle, as 17-22/29-33 is simply winning

Not a great puzzle, as 15-20/25-30 will easily win

White can also start with 1.28-22

1.22-27 is also winning

1.29-23 is also winning

1.23-28 is also winning

43-38 + 48-42 and 43-38 + 38-32 are also winning

4.27-21 (iso 4.27-22) is also winning

You can also play 4..30-24 first.