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.
 

Peter Richardson v Barrie Brien (Sat 20 Oct 2018)

Match won by Peter Richardson. Result: 15-2,15-8,15-3.

Starting level for Peter Richardson: 2,091, level confidence: 72%. Set manually.
Starting level for Barrie Brien: 1,442, level confidence: 81%. Set manually.
Peter Richardson to win as he is currently playing 45% better than Barrie Brien.

Peter Richardson won all of the games and 78% of the points.
This games result would be expected if he was better by around 55% or more.
This points result would be expected if he was better by around 246% (PAR scoring).
These are weighted and combined to calculate that Peter Richardson played 246% better than Barrie Brien in this match.

Assuming that any level changes are shared between both players, for this result it looks like Peter Richardson actually played at a level of 3,231 and Barrie Brien at a level of 933. Without any damping, both players would need to be adjusted by 55% to match this result.

Allowing for the difference in level between the players, the adjustments have been reduced to 44% and 44% respectively.

Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Peter Richardson changes to +44% and Barrie Brien changes to -37%.

After applying standard match damping, the adjustment for Peter Richardson becomes +16% and for Barrie Brien becomes -16%.

Apply match/event weighting of 75% for 'Surrey Vets Winter 2018/19' so the adjustment for Peter Richardson is +12% and for Barrie Brien is -12%.

Apply limits to the amount of change for a single match which are based on player level, level confidence and time since last match so that Peter Richardson is limited to +10% and Barrie Brien is limited to -5% level change. In general a player's level won't go up by more than 10% or drop more than 5% if they've played in the last 7 days but those limits are relaxed if their previous match was further back.

Increase level confidence due to one more match played. Peter Richardson: 85%, Barrie Brien: 90%. Reduce level confidence based on how unexpected the result is. Peter Richardson: 55%, Barrie Brien: 58%.

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 Peter Richardson: 2,297, level confidence: 55%.
Final level for Barrie Brien: 1,371, level confidence: 58%.