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My source for those problems that I have posted is the SGFs on the uligo web page. Some of the problems in section 4 have instructions along the following lines:
Problem 15. Black to play and win the capturing race. The solution is a ko.
Problem 25. White to play and win the capturing race. The solution is a ko fight or seki.
Problem 28. Black to play and win the capturing race. Capture the five white stones on the left with a careful approach.
I don't know where this text originally comes from. Should I include these comments when posting the problems here?
(I also have the book World Weiqi Masterpieces of Life and Death, which has a sentence or two introducing each problem--but I don't read enough Chinese to make sense of it, so I can't say if it's the same as the text quoted above.)
I don't own this book, but my impression is that many of these problems are just "black first" or "white first" in their original form. It is the later books that tend to add a lot of verbose hints.
However, for the average level of the SL readers, I guess there might be no harm in putting in some hints here and there.
How about forming the problem as either "White to play" or "Black to play". Put the hint on a "Hint" subpage just as there are "Attmepts" and "Solution" subpages. That way the reader can try the problem without the hint, as well as looking at the hint should they want to.
A problem with Graded Go Problems for Beginners is that the hints printed directly below each problem provide a guide to solving the problem. This makes the problems much easier to do. One advantage to go problem books in a language that you dont understand, is that the hints are unintelligible.
Since there hasn't been a large response one way or the other, I'll do what feels right to me, which is to include the text. (I think it doesn't spoil the problems, since they're a bit harder than Graded Go Problems for Beginners.) My main worry is that, since I don't know where this text came from, I can't be sure that it's accurate. I guess this will become clear as we attempt to solve the problems.
Of course, there's nothing to stop someone else editing the pages if they want to see it done differently.