Those problems have nothing to do with retractions. That's simply that the layer height is too high for the angle at that particular part of the print. The previous layer isn't providing any support for the next layer so it just floats in the air. If you look at the picture found here I think you'll see what I mean: http://support.3dverkstan.se/article/30-getting-better-prints#slopes-and-stair-stepping
What layer thickness are you using right now?
Examples of layer problem.
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