Pedro Sauer Guard pass

This is another short technique, shown by Pedro Sauer. He demonstrates how to break open a closed guard methodically. Notice the "sliding" pressure he exerts, which can easily be overlooked.

Drop Seionage

This is a popular throw that is a bit risky, but lands you right in side mount or north south if you hit it. Technically originated from Judo, but commonly seen all around in the BJJ tournament scene.

Watch as Brad Court demonstrates.

Wilson Reis back take from half guard

This is a somewhat advanced movement from Wilson Reis.

It begins in the deep half guard position (top) and is a pretty excellent unorthodox attack that gives you the back.

As the skill level of competitors goes up, the value of taking the back also goes up as well. I believe it is the position with the most amount of leverage that is the most difficult to defend against, and is fought for so fiercely because of this.