|
Menu
Login: | Explaining level changesHarry Duckworth v Nick 'Or Tin' Benson (Sun 11 Jun 2023)Match won by Nick 'Or Tin' Benson. Result: 4-11,1-11,9-11.Starting level for Harry Duckworth: 4,892, level confidence: 79%. Set manually. Starting level for Nick 'Or Tin' Benson: 4,721, level confidence: 71%. Set manually. Harry Duckworth to win as he is currently playing 4% better than Nick 'Or Tin' Benson. Nick 'Or Tin' Benson won all of the games and 70% 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 136% (PAR scoring). These are weighted and combined to calculate that Nick 'Or Tin' Benson played 136% better than Harry Duckworth in this match. Assuming that any level changes are shared between both players, for this result it looks like Nick 'Or Tin' Benson actually played at a level of 7,378 and Harry Duckworth at a level of 3,130. Without any damping, both players would need to be adjusted by 56% 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 Nick 'Or Tin' Benson changes to +55% and Harry Duckworth changes to -47%. After applying standard match damping, the adjustment for Nick 'Or Tin' Benson becomes +15% and for Harry Duckworth becomes -13%. Given Nick 'Or Tin' Benson's level and the type of match played, an additional damping of 46% has been applied to his level change. Given Harry Duckworth's level and the type of match played, an additional damping of 48% has been applied to his level change. Looks like he wasn't taking the match too seriously... Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Nick 'Or Tin' Benson is +5.1% and for Harry Duckworth is -4.1%. Increase level confidence due to one more match played. Nick 'Or Tin' Benson: 84%, Harry Duckworth: 89%. Reduce level confidence based on how unexpected the result is. Nick 'Or Tin' Benson: 54%, Harry Duckworth: 57%. A final adjustment of -0.5% 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 Harry Duckworth: 4,672, level confidence: 57%. Final level for Nick 'Or Tin' Benson: 4,945, level confidence: 54%. Notes
|