Lol what? It was one Jedi per droid. They each blocked shots sent at them by the droid aiming at them, and seeing as how other Jedi blocked dozens of bolts before being hit during Order 66, that statment is just false.
And Khan's "genius" has nothing to do with pointing a gun and pulling the trigger. But Anakin's pre-cog and speed will let him know how to deal with that anyway.
Khan gets flung around like a rag doll.