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.
 

David Haley v Bradley Masters (Thu 23 Nov 2017)

Match won by David Haley. Result: 11-3,11-5,11-9.

Starting level for David Haley: 12,187, level confidence: 73%. Set manually.
Starting level for Bradley Masters: 13,336, level confidence: 69%.
Bradley Masters to win as he is currently playing 9% better than David Haley.

David Haley won all of the games and 66% 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 94% (PAR scoring).
These are weighted and combined to calculate that David Haley played 94% better than Bradley Masters in this match.

Assuming that any level changes are shared between both players, for this result it looks like David Haley actually played at a level of 17,762 and Bradley Masters at a level of 9,150. Without any damping, both players would need to be adjusted by 46% to match this result.


Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for David Haley changes to +41% and Bradley Masters changes to -43%.

After applying standard match damping, the adjustment for David Haley becomes +9.3% and for Bradley Masters becomes -9.6%.

Given David Haley's level and the type of match played, an additional damping of 23% has been applied to his level change.

Given Bradley Masters's level and the type of match played, an additional damping of 26% has been applied to his level change. Looks like he wasn't taking the match too seriously...

Apply match/event weighting of 75% for 'South Wales Winter 2017' so the adjustment for David Haley is +5.7% and for Bradley Masters is -5.5%.

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 Bradley Masters 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. David Haley: 86%, Bradley Masters: 83%. Reduce level confidence based on how unexpected the result is. David Haley: 59%, Bradley Masters: 57%.

A final adjustment of +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 David Haley: 12,861, level confidence: 59%.
Final level for Bradley Masters: 12,962, level confidence: 57%.