I am reading surface code theory with this paper. The paper is great but there are some parts of the explanations for which I am struggling to understand. In such cases, another source is always nice to have.
I am looking for other sources following the same spirit: explaining the surface code to the beginner who has no experience in it. However, I am familiar with the stabilizer formalism so I don't need a source explaining to me the basics of error correction.
Any idea of such papers/video lectures?