I'm not a sensei or a mod, or even a sempai. But I know some things.
1) Customs are not allowed as said
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2) Time frame is annoying, it is often ignored and left to be picked apart by your enemy, which is why you two are arguing.
This is how I see the time frame
Rucken uses Chidori Blade
Hell counters with Paw Arts: Repel and sends the sword somewhere outside of the battlefield.
Now here is where it gets confusing between you two, time from is still an issue for even the most experienced of Role Players so nobody should be ashamed, but the way I see it it would take longer to draw out a kunai and place Barragan in a genjutsu, at this point "It" would have been hit by the Kenjutsu technique but with the Sharingan activated at 3T, one can track 3x their base speed which means Rucken would have more than ample time to see your body tense as the Sharingan has been seen to be able to perceive and predict motions in slow motion (see Sasuke vs Naruto in Vote1). So I say he gets the kunai up, but definitely not a chidori AND genjutsu, both of which require hand seals. So "It" gets hit by both of Barragans jutsu, now you two stop arguing already and move on. Rucken lost because he went for the kill (piercing Barragans heart with a chidori) so he is disqualified. Next match please