I simulated how much damage Nidoking takes throughout the Koga split in Red, assuming you use HP-dependent red bar strats outlined here: https://pastebin.com/cK1UCF8y

Conditions were as follows:
- Glare has 0% Accuracy
- Sand-Attack has 0% accuracy (the badge boost is too annoying to simulate)
- Hydro Pump has 100% accuracy
- You cannot hit yourself in confusion
- Gen 1 misses do not exist
- Fights are executed as follows:
	> Rocket: X Acc, Drill
	> Silph Rival: See chart for first two; BB, Drill x2 last three
	> Rocket: X Acc, BB, Drill x2
	> Giovanni: X Acc, Drill x2, BB, Drill (allow up to 2 Rhyhorn stall turns at HPs suggested in the chart)
	> Juggler: EQ x4
	> Juggler: EQ, EQ(+TB)
	> Koga: EQ x3, Elixer(+Poke Flute)(+Poke Flute)

Results:

OUTCOME						% CHANCE
Dead before Weezing			49.4
- Dead to Pidgeot			0.1
- Dead to Gyarados			16.9
- Dead to Cubone			12.9
- Dead to Nidorino			4.3
- Dead to Rhyhorn			0.6
- Dead to Hypno				14.6

Dead to boom				48.3
Not dead to boom			2.3
Dead to boom (wins only)	95.5

EFFECT						TIME EFFECT
Red bar (perfect)			-46.7s
Red bar (average)			-28.9s
Turns lost setting up		+7.2s

Added risk*					47.9% to die
Net time save*				20.8 seconds**

*Compared to red bar-less Koga strats, which I simulated here: https://pastebin.com/ZgrsechD
**Does not include the benefits of dying to the boom more often. This might be added in the future