DSR formulas from GA

[Maxbxl]

Hey everyone,

I've just been doing a bit of googling around trying to find out how GA calculate whether a DSR other than 0 is warranted at the conclusion of a competition round.

Despite considering myself a decent Googler I have come up empty handed.

While the DSR is referenced many times in many places in comms from GA, the actual formulas are not. It is also referenced in rules interpretations from the R&A and USGA and all seem to give a high level overview along the lines of "statistical formulas comparing how each player in the field scored compared to what they were statistically expected to score. If a sufficiently large number of players have shot outside that range then a DSR is in order". Those are my words by the way, not quoting any of those specific bodies.

Anyway, does anyone have any insights into what those statistical formulas are?

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