You can't spell Stealth without "Steal"

Does anyone use stealth for anything besides thieving/house looting? I've heard the formula for tracking pits tracking and detect hidden against hiding and stealth. In that case, with gm stealth a gm tracker should not be able to find you too often. But somewhere I read that tracking is super OP and stealth doesn't help to block it. Is it worth having stealth on an alt to spy in a dungeon while farming?

I think you can track someone with gm stealth and gm hiding 50% of the time with gm tracking.

Is there any sort of counter effect of having gm tracking on the character that already has gm hiding and stealth, to further mitigate that percentage?

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So if you have gm hiding and 0 stealth, is it 100%?

Also, do you still get the stealth bonus if you are sitting on a horse?

^This

And I've used hiding/stealth on secondary and tertiary chars to help me "assassinate" people before. I use that term because I don't really murder the way most other pks tend to. I find a mark and try to get up close and personal, as opposed to just barreling in or gating with others to kill at random.

% Chance of tracking = (Tracking + Detect Hidden + Random 1-20) / (Hiding + Stealth) * 50

So a player with GM Tracking and Stealth would have approximately a 50% chance of tracking a player with GM Hiding and Stealth.

^^this is from UO stratics, YES I KNOW THIS IS NOT STRATICS, but to answer the original question this is the formula. The % might be different here.

I think you meant a player with gm tracking and detect hidden ( not stealth). So just gm track vs gm hiding/stealth would be 25-30%.

I will tell you the formula.
The formula is my newb tamer with 40 tracking finds my friend who is gm hide/stealth all the time.
See formula below...

tracking > hide + stealth