|
Menu
Login: | Explaining level changesGabe ‘Oi’ Fallows v Elliot 'Boris' Webber (Mon 08 Nov 2021)Match won by Gabe ‘Oi’ Fallows. Result: 17-15,15-7,15-5.Starting level for Gabe ‘Oi’ Fallows: 2,812, level confidence: 71%. Set manually. Starting level for Elliot 'Boris' Webber: 1,978, level confidence: 80%. Set manually. Gabe ‘Oi’ Fallows to win as he is currently playing 42% better than Elliot 'Boris' Webber. Gabe ‘Oi’ Fallows won all of the games and 64% 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 74% (PAR scoring). These are weighted and combined to calculate that Gabe ‘Oi’ Fallows played 74% better than Elliot 'Boris' Webber in this match. Assuming that any level changes are shared between both players, for this result it looks like Gabe ‘Oi’ Fallows actually played at a level of 3,112 and Elliot 'Boris' Webber at a level of 1,788. Without any damping, both players would need to be adjusted by 10.7% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 8.9% and 8.9% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Gabe ‘Oi’ Fallows changes to +8.9% and Elliot 'Boris' Webber changes to -7.8%. After applying standard match damping, the adjustment for Gabe ‘Oi’ Fallows becomes +4% and for Elliot 'Boris' Webber becomes -4.2%. Given Gabe ‘Oi’ Fallows's level and the type of match played, an additional damping of 15% has been applied to his level change. Apply match/event weighting of 50% for 'Bath Ladder' so the adjustment for Gabe ‘Oi’ Fallows is +1.7% and for Elliot 'Boris' Webber is -2%. Increase level confidence due to one more match played. Gabe ‘Oi’ Fallows: 84%, Elliot 'Boris' Webber: 89%. Reduce level confidence based on how unexpected the result is. Gabe ‘Oi’ Fallows: 76%, Elliot 'Boris' Webber: 81%. 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 Gabe ‘Oi’ Fallows: 2,857, level confidence: 76%. Final level for Elliot 'Boris' Webber: 1,936, level confidence: 81%. Notes
|