I’ve thought about this for a while, and I’m sure there’s more experienced people who can explain it. Basically, why do cross-ups such as j.MK or things like Gief’s bodysplash work so well? The same goes for divekicks such as Yun’s and Rufus’s. I’m not asking about how to perform the moves or applications; I’m asking why do you believe they are effective and proven to be viable since forever.
Concerning cross-ups, the answer is obvious - the opponent holds the wrong direction to block as you go over their head, specifically jumping over a hard knockdown opponent who is getting up. But if an experienced opponent knows this, why would they get hit? Why not block the correct direction? I know it’s sometimes a guessing game with ambiguous jump-ins or odd spacing/timing, but it just seems odd that it would work so often. And against a character with a good wake-up option like Ryu/Ken DP, why don’t more cross-up attempts get shut down? Is it all just skill and timing or is there an effect of the pressure that causes people to just freeze or forget their defensive options?
Divekicks are another thing that I’m unsure just why they’re so dominant. Characters with divekicks are usually high ranked in SF - Yun, Rufus, E. Ryu, Cammy, etc. Is this type of move so good, because it’s usually safe, too fast to react to, or is it ambiguous and hard to predict? In my head I think, “Just DP it, duh.” But that’s not reality. The reality is that divekicking your opponent is a very effective way to apply pressure over and over.
Any input would be interesting to hear - whether it’s frame data, strategy, or psychology.