Kinect Sports Rivals

This will most likely come naturally over time, but if you want to get it really fast here is what you do. Make sure there are plenty of rock holds above you and wait for an opponent below you to reach up onto the rock that one of your feet is on, when you are grabbed you will be outlined orange. Once this happens you need to jump, reach up, and grab onto two of the holds above you, now you have yourself 20 gamerscore.