This pattern occurs after Black pincers White's approach move and then White jumps two spaces out. The pattern gets fairly complicated quickly, but lets have fun going over it.

This standard pattern takes up the entire side of the board, but it does come up a lot in any opening that has corner enclosures. This one is commonly seen and definitely worth studying.

This lecture we go into how to handle a very common corner invasion that comes up when your opponent has some claim to the corner, but does not have the whole thing.

There are some shapes that come up a lot in games, and also, they are key to learning some basic patterns and tesuji that will come up often enough. This shape occurs when we invade a corner that looks secure, but isn't.

These variations are seldom seen in games, but they are interesting and it's nice to be able to spring a new variation on your opponent when they least expect it!