I actually learned a lot of crisis management thanks to the cheesing tactics =)

Well in a way it can be considered cowardly depends on how you perceive it. But if you treat it as training, you can be really powerful in the future >:D

11 overpool is sufficient to repel 6 pool rush except for small maps like Steppes. Once you defended 6 pool then if your opponent has self-conscience he'll say gg =D