When you race at ScotKart and recieve your lap time printouts it also shows your RPM or ‘Race Perfomance Measurement Standings’.
Essentially, your RPM score is a running measurement of your driving ability. It is a weighted system, meaning the higher your opponents scores the better chance you have to gain points; conversely, if you have a higher score than those you are racing with, you are at a higher risk of losing more points.
Everyone starts with 1200 points. As you race you accumulate points based on how you finish in races. This is true of any type of race (if you don’t want RPM scores to be calculated, for example in a practice race, then you can check off the Practice box in the heat setup and the RPM score will not be calculated). You are scored against the other racers in your particular race, and the amount of points you are awarded, or lose, is based on the skill of the other drivers as well.
It is a weighted scoring system, so for example, if I have 5200 RPM points and you have 1300 RPM points and we race. If I were to lose to you, you would take a substantial amount of points directly from my RPM, something like 120 points. Conversely, if I were to beat you, I would only get maybe 2 or 3 points. Much like if I were to beat Lewis Hamilton in an F1 race it would be in the news world-wide because I am a nobody in the racing world and not expected to beat someone with so much experience. If however, he beat me, it probably wouldn’t even make the local monthly newsletter.
Each racer is given 5 points every time they start in a race. This encourages racers to get out there and race even if no one else is in the race and will help mitigate the loss of points to those with subpar driving skills.
Now, throw 12 people in together and do the math on all the calculations on whose besting who and who is losing. Roughly, the top half will gain points and the bottom half of the grid will lose points. This is a rough estimate because there can be upsets such as an extremely high ranking racer losing to a lot of new racers or visa-versa.