The use of half guard and all of its variations is more and more popular right now in the BJJ community. The half guard was first popularized by Roberto “Gordo” in the 90’s. The half went from being a last block to getting your guard passed, to being utilized and developed as a offensive position in and of itself.
The half guard is a perfect type of guard to play if your are slower, older and in worse shape than your opponent. When putting your opponent in the bottom half guard, you should be able to control the situation and drastically slow down the game to your advantage.
If your half guard is a weak part of your grappling game, you should take the masterclass of John Danaher on the subject. Here he breaks down everything you need to know in order to have a perfect half guard game.