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Login: | Explaining level changesDivision 1: Kingsdown Stallions v Gordano - Gordano (Wed 31 Jan 2024)Match played between Ed 'Fury' Ames (home) and Edwin Swidenbank (away).Match won by Edwin Swidenbank. Result: 15-17,11-15,3-15. Starting level for Ed 'Fury' Ames: 1,842, level confidence: 82%. Set manually. Starting level for Edwin Swidenbank: 1,499, level confidence: 69%. Ed 'Fury' Ames to win as he is currently playing 23% better than Edwin Swidenbank. Edwin Swidenbank won all of the games and 62% 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 62% (PAR scoring). These are weighted and combined to calculate that Edwin Swidenbank played 62% better than Ed 'Fury' Ames in this match. Assuming that any level changes are shared between both players, for this result it looks like Edwin Swidenbank actually played at a level of 2,115 and Ed 'Fury' Ames at a level of 1,305. Without any damping, both players would need to be adjusted by 41% 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 Edwin Swidenbank changes to +36% and Ed 'Fury' Ames changes to -29%. After applying standard match damping, the adjustment for Edwin Swidenbank becomes +15.6% and for Ed 'Fury' Ames becomes -12%. Apply match/event weighting of 75% for 'Mixed Spring 2023/2024' so the adjustment for Edwin Swidenbank is +12% and for Ed 'Fury' Ames is -8.6%. 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 Edwin Swidenbank is limited to +10% and Ed 'Fury' Ames 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. Edwin Swidenbank: 83%, Ed 'Fury' Ames: 91%. Reduce level confidence based on how unexpected the result is. Edwin Swidenbank: 59%, Ed 'Fury' Ames: 64%. 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 Ed 'Fury' Ames: 1,752, level confidence: 64%. Final level for Edwin Swidenbank: 1,646, level confidence: 59%. Notes
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