You have to keep the rudder working. Hard backstay tension Remember that in most conditions you should release the backstay when you go off wind, except in strong wind so that bend is kept in the mast. It is a good idea to mark your backstay so that you can revert back to similar settings easily. Hard backstay tension tightens your forestay and moves the draft forward on the genoa. The mainsail is flattened out by the mast bending and opens the leech allowing the wind to spill out of the main easily.
Weight is extremely critical.
However, it is up to you how serious you want to become. Try these suggestions. We're sure you will like the results.