having played against both Ron and Yarlen with this tactic (or maybe it was multi) I can assure you the sova does not succeed. It simply doesnt have the attack power nescessary to kill another ship (let alone the Marza, are you Fing kidding me?) yes you could *try* to kite, but 2 or 3 bombers does barely more damage than gets regenerated, and its simply a matter of predicting the sova's path to catch up (not especially difficult considering that he has two directions, toward you and away)
you could never pull off a kill with a level 3 sova against anything but another sova or an idiot player. a marza will be at your hw with a full supply of frigates backing him up, the sova cannot win against that (because it inherently does not have any frigate support if you try to kite, and it doesnt have the staying power if you try to fight)
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It wasn't me that you played a rusher with, but I have a replay that clearly shows a Sova killing a Marza. Eeets did a rush on Shadowhal the other day, and won...

He only did it because the map didn't have anything except the star between him and his opponent, and he poured *everything* into that assault to make it work... but he managed a successful rush.
Of course, once the bomber / fighter "hold position" exploit is fixed, that won't happen anymore...