I just tested, i got 58 in one minute. Just gotta ensure the triceps are parallel to the ground (chest prob around 6 inches off the ground ok already), lock out at the top....that's what Guiness book of records require.
Main issue is the H+ ions accumulation. You gotta hoot it as it's a time trial.
For me is i am already beta alanine loaded, not sure if it helps but shd have a small effect.
Also at these rates i think a decent % depends on your fast twitch fibres that you currently have.
Will try to see if can break 60 - 65 range (give it some buffer) eventually, i think 60 is the max standard (25 max points) for age 24 and below for IPPT.
Dont look at age..., not WR just IPPT, it can be done unless if you are past 75 (where everything really starts to go downhill exponentially)
But it is for fun, for me is train with 2 resistance bands and decline on a 50cm height with in the 16 - 20 rep range.
Bonus
87 is insane