MORE BASICS YOU MUST MASTER: EXECUTING AN OPEN GUARD SWEEP

The Sweep: The element of surprise mixed with precise technical fluidity.
JiuJitsu Magazine and David Dunn demonstrate an open guard sweep.

Dunn, who is a JJ Machado black belt, goes into great detail describing this sweep.  A practitioner of any size and experience should be able to hit it with some time and practice.  Try it on mom and dad (and/or grandma)!