Most difficult form of poker?

[nanoCRUSHER]

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I am writing a research paper for a college course on "What is the most difficult form of poker to play?"

That is, which form of poker requires the player to make the toughest decisions?

As an overall poker enthusiast who enjoys playing all the games, I think it's pot-limit omaha hi-low. Anyone agree?

Discuss.

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Judging by your earlier standard of "what breaks the fish quickest," Seven card stud hi-lo no qualifier is a game where the fish get busted so quickly they took it out of most cardrooms. It isn't spread online AFAIK, but among the popular online games I'd have to think seven card stud (hi only or hi-lo), simply because there's so much information that a novice overlooks.