tactics trainer - get hints

I very much enjoy the tactics trainer! Its fun to try to solve the riddles and Ive learned nice tricks and ways to watch the board from there.

However, it would also be nice to have some kind of hint option if you really really dont see the solution. Right now after 5+ minutes I just make the move that I *hope* to be the right one. But it would be nice to get some kind of hint that lets the user discover for himself what to look for.

here's an example of one that I failed:

To most of you this puzzle is already easy and the hint made it super easy. But I would think: aha! this gives a chance for a sneaky mate! So how am I going to achieve that?

Another one:

Then I start to think: ok, so a piece has to move. Which piece can I force to move? Only the king. What goal would that serve? Ehmm.. aha!

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I think discovering it yourself teaches more then just seeing the solution. The hints should be describing the situation you can take advantage of, so you learn what to look for.

Also it would be nice to have some (standard) information linked to the puzzle afterwards: Ok, so this is a skewer. How do I recognize such situations and how can I create a setup that gives me the oppurtunity to create a skewer?

For rating purposes I'd suggest that when a hint is requested the game counts as a loss. But then at least you can give it another thought.