Dear Jer,
That's an excellent idea, and yes I have created a system for quantifying putting skills, both on the practice green and in play.
With just two pieces of data for every putt, the golfer can derive nearly innumerable statistical "looks" at his skills. I have designed a Putting Stats Card to fill out on each tee box after putting with these 2 pieces of data for each putt: the straight-line distance of the ball from the hole, and the relative clock position of the ball to the 6-12 orientation of the fall-line thru the cup (e.g., 4 o'clock putt from 25' for 1st putt; 11:30 o'clock from 2' for next and final putt).
This capture nearly all the essential features: long-short, high-low, left-right, uphill-downhill, total putts, putts per GIR, 1-putt holes, 2-putt holes, etc., birdie putts, par save putts, and on and on.
On the practice green, I have elaborate testing protocols to quantify the golfer's performance of the separate skills of reading, aiming, stroke and touch, before during and after lessons, and strictly for diagnostic purposes as well.
Combined, these two systems generate lots of "facts" about the putting skills in a meaningful way and at an appropriate and useful level of precision, in my opinion better than the very expensive computer systems out there focusing only on stroke mechanics with overly-precise and not-necessarily-seminal parameters that are being measured.
Cheers!
Geoff Mangum
Putting Coach and Theorist
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