Edit: So I have edited the post here to add some about the marking I have used at Oxford climbing up to the PL. This was discovered first by @Cadoni @RDF Tactics and me, so credit is always shared. I started using it in the whole league 1 campaign, and also in the championship. The results were great, as the AI mostly had below 10-7 shots total and could not create much. There are probably many ways to do this, this is mine. I use a tactic with 2 AMcs, Fire and Water4321 p 103, by @knap,