I can't beleive so many posts veer off into discussions of "How to kill a Niki".
That has nothing at all to do with the original poster's problem. He stated that he was HO'd three times in succsesion. In this case the respective handling of his and his opponants A/C are irrelevant, as the fight doesn't progress that far. His merge tactics are so in error, that ACM doesn't play in the equation.
Secondly, he wasn't just complaining of being HO'd, but of being HO'd by Niki's; which gives raise to the question what influence plane type has on HO's. If he repeated the same moves against a Typhoon, 205, Ta-152, Yak 9-T or any other cannon armed plane would he fare any better, and if so, why?
I'm stil curious as to whether he want's HO's disabled, or to learn a better merge.