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Login: | Explaining level changesPremier A: University of Bristol Ballers v Workout Harbourside 1 (Thu 16 Dec 2021)Match played between Fin 'Huggies' McManus (home) and Ben Thyer (away).Match won by Fin 'Huggies' McManus. Result: 11-1,12-10,12-10. Starting level for Fin 'Huggies' McManus: 4,445, level confidence: 73%. Set manually. Starting level for Ben Thyer: 4,120, level confidence: 70%. Fin 'Huggies' McManus to win as he is currently playing 8% better than Ben Thyer. Fin 'Huggies' McManus won all of the games and 63% 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 67% (PAR scoring). These are weighted and combined to calculate that Fin 'Huggies' McManus played 67% better than Ben Thyer in this match. Assuming that any level changes are shared between both players, for this result it looks like Fin 'Huggies' McManus actually played at a level of 5,525 and Ben Thyer at a level of 3,315. Without any damping, both players would need to be adjusted by 24% 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 Fin 'Huggies' McManus changes to +22% and Ben Thyer changes to -23%. After applying standard match damping, the adjustment for Fin 'Huggies' McManus becomes +7.2% and for Ben Thyer becomes -7.7%. Apply match/event weighting of 75% for 'Mixed Autumn 2021/2022' so the adjustment for Fin 'Huggies' McManus is +5.4% and for Ben Thyer is -5.7%. 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 Ben Thyer 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. Fin 'Huggies' McManus: 86%, Ben Thyer: 84%. Reduce level confidence based on how unexpected the result is. Fin 'Huggies' McManus: 69%, Ben Thyer: 67%. A final adjustment of -2.2% 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 Fin 'Huggies' McManus: 4,489, level confidence: 69%. Final level for Ben Thyer: 3,918, level confidence: 67%. Notes
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