Nudging, wiggling, shaking, and dragging will only carry you so far when it comes to scoring well on puzzles. At some point these methods don't gain any more points and it's then time to start trying other approaches. One of the most important of these is called flipping sidechains: there doesn't seem to be too much about it in the wiki so here's a quick introduction. Briefly, the steps are these: Here's an example of this technique in action. 2) Grab the sidechain of that amino acid and drag it. It will flip into a new position (note that it's been bent back), and the score will go down.