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Login: | Explaining level changesJosh Taylor v Nye 'No Need To Shout!' Williams (Mon 13 Mar 2023)Match won by Nye 'No Need To Shout!' Williams. Result: 6-15,7-15,11-15.Starting level for Josh Taylor: 1,152, level confidence: 79%. Set manually. Starting level for Nye 'No Need To Shout!' Williams: 1,133, level confidence: 72%. Set manually. Josh Taylor to win as he is currently playing 2% better than Nye 'No Need To Shout!' Williams. Nye 'No Need To Shout!' Williams won all of the games and 65% 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 88% (PAR scoring). These are weighted and combined to calculate that Nye 'No Need To Shout!' Williams played 88% better than Josh Taylor in this match. Assuming that any level changes are shared between both players, for this result it looks like Nye 'No Need To Shout!' Williams actually played at a level of 1,564 and Josh Taylor at a level of 834. Without any damping, both players would need to be adjusted by 38% 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 Nye 'No Need To Shout!' Williams changes to +38% and Josh Taylor changes to -33%. After applying standard match damping, the adjustment for Nye 'No Need To Shout!' Williams becomes +18% and for Josh Taylor becomes -16%. Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Nye 'No Need To Shout!' Williams is +9% and for Josh Taylor is -7.5%. 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 Josh Taylor 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. Nye 'No Need To Shout!' Williams: 85%, Josh Taylor: 89%. Reduce level confidence based on how unexpected the result is. Nye 'No Need To Shout!' Williams: 62%, Josh Taylor: 64%. A final adjustment of +1.5% 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 Josh Taylor: 1,131, level confidence: 64%. Final level for Nye 'No Need To Shout!' Williams: 1,233, level confidence: 62%. Notes
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