Yes, it was very easy to push too far. I did it in few places but fixed in few places. As far as i remember i did use some alcohol to smooth it with very soft brush.
Breaking model to pieces easy to mold is adding to time i need to spend. This one have some flaws i need to correct when assembling the model. It could not work as a kit but it was one more lesson for me.
I hope to see some photos of your chess set soon.