The Knights of Gray brings you this video tutorial on how to boffer sword fight with speed tactics. Yes, that means being super fast for LARPing. Live action role-playing doesn't get much better than this.
Learn the techniques of fast boffer weapon fighting! This is just the beginning of LARP. You can't get any better than with these foam skills taught right here.
With a combination of the pillars you will find that, they, being the cause, produce the effect of speed. A fight can be over before you know it, and speed and dexterity are critical. I give but only a few of the hundreds of options. In the end, your creativity will decide the moves you will use.