Do no, but I don't have problem with archers, certainly not charging them with cavalry. Archers have pretty hard time hitting fast moving cavalry, unless it moves in a strait line towards the archer. Moreover AI archers start repositioning when charged by cavalry and they become even less effective.
Can you explain more in detail, what difficulties are you facing and what exactly are you doing in battles?
One tip: you can order your cavalry in to a shieldwall and then tell them to charge. They will keep their shields up and that will protect them from shoots from the front when charging (works with infantry as well). Do no if that works also with F6.