Is soloing Gengar worth the effort?

Gengar's aren't all that great when they don't have Shadow Claw unfortunately.

They're just easy to do and the psychic counters that work against Machamp also work against Gengar, so if you already happen to have the counters to Gengar and you've got a free pass still not being used, you may as well do it for the rewards.

Tyranitar is fine against Focus Blast. Even if you don't dodge it, Tyranitar still puts out a high amount of damage. Just think of it as a glass cannon.

Personally I find Gengar even easier than Machamp since Tyranitar resists all but one of Gengar's moves, and Focus Blast is a 1 bar move that has a long damage delay so it's easy to dodge, the only issue with the move is being dodge-glitched.

That team should be more than fine against Gengar.

Imho, Gengar got buffed recently.
Well, sort of and not only him.

A lot of so called glass-canons have been dismissed as part of a raidgroup for it was important to get through a raid with just one team.
That changed.
From what i can see looking left and right while tapping my screen and from what i learn talking with other trainers after raids, not too many have realized that oportunity and try to take advantage of it.

At least for one of the oncomimng raidbosses i prepare a first squad that will surely die pretty fast but should improve my TDO.
In rare raids i want to get every extraball i can get.

Cheers

Yes, Gengars are very useful. It's pretty hard to solo Alakazam without one or two in the lineup.

Soloing T3's is fun, and Gengar, despite theoretically being one of the easier T3's, is more of a challenge than some of the others because of the variety of its movesets.

With T3 rewards having been buffed (at least in terms of TM's), the more T3's you are capable of soloing, the better.

Cloudy weather is very common in Singapore. Try to find a Gengar raid to solo in cloudy weather to catch a L25 boosted Gengar.

That's what I'm trying to do now, but unfortunately I haven't encountered any Gengar raids in cloudy weather. I have done and caught a boosted Machamp (boss moveset C/CC) in cloudy weather though.