SquashLevels
Find
Menu
Rankings
 
Help
 
 
 
cookies_acceptance
important
To give you the best experience, we use cookies to remember your settings and personalise your pages and social media. Please click Accept if you are happy for us to do this. To find out more about our use of cookies please see our cookie policy.
 

Raneem El Welily v Sarah-Jane Perry (Thu 10 Oct 2019)

Match won by Raneem El Welily. Result: 11-6,14-12,11-8.

Starting level for Raneem El Welily: 14,809, level confidence: 61%.
Starting level for Sarah-Jane Perry: 10,502, level confidence: 86%. Set manually.
Raneem El Welily to win as she is currently playing 41% better than Sarah-Jane Perry.

Raneem El Welily won all of the games and 58% of the points.
This games result would be expected if she was better by around 55% or more.
This points result would be expected if she was better by around 38% (PAR scoring).
These are weighted and combined to calculate that Raneem El Welily played 44% better than Sarah-Jane Perry in this match.

Assuming that any level changes are shared between both players, for this result it looks like Raneem El Welily actually played at a level of 14,961 and Sarah-Jane Perry at a level of 10,395. Without any damping, both players would need to be adjusted by 1% to match this result.

Allowing for the difference in level between the players, the adjustments have been reduced to 0.9% and 0.9% respectively.

Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Raneem El Welily changes to +0.9% and Sarah-Jane Perry changes to -0.6%.

After applying standard match damping, the adjustment for Raneem El Welily becomes +0.4% and for Sarah-Jane Perry becomes -0.3%.

Apply match/event weighting of 100% for 'PSA Us Open' so the adjustment is unchanged.

Increase level confidence due to one more match played. Raneem El Welily: 78%, Sarah-Jane Perry: 93%. Reduce level confidence based on how unexpected the result is. Raneem El Welily: 78%, Sarah-Jane Perry: 92%.

A final adjustment of -0.1% has been made to both players as part of the automatic calibration that is performed after each match. All players in this pool will have been adjusted equally in order to remain equivalent to other player pools.

Final level for Raneem El Welily: 14,757, level confidence: 78%.
Final level for Sarah-Jane Perry: 10,518, level confidence: 92%.