Variations on this question have been popping up here for years.
Since I can't be bothered to dig up one of my many rants about it (I'm not a fan of using MDF to build early-street strategies), I think this is as good an answer as any:
Quote:
Originally Posted by goldFishshark
MDF is a reasonable tool for estimating your frequencies, but things get complicated very quickly. There is no one-size-fits-all-hard-and-fast rule in poker, unfortunately.
The MDF concept has a fair bit of validity on the river, but very little on the earlier streets as far as I'm concerned. Study with a solver and you'll find that folding/continuance frequencies depend on the precise situation and how the ranges play against each other on specific boards.