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Login: | Explaining level changesSam 'Schmoney' Honey v Shrey Shah (Sun 24 Jul 2022)Match won by Sam 'Schmoney' Honey. Result: 15-11,15-13,15-10.Starting level for Sam 'Schmoney' Honey: 285, level confidence: 72%. Set manually. Starting level for Shrey Shah: 313, level confidence: 74%. Set manually. Shrey Shah to win as he is currently playing 10% better than Sam 'Schmoney' Honey. Sam 'Schmoney' Honey won all of the games and 57% 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 32% (PAR scoring). These are weighted and combined to calculate that Sam 'Schmoney' Honey played 40% better than Shrey Shah in this match. Assuming that any level changes are shared between both players, for this result it looks like Sam 'Schmoney' Honey actually played at a level of 353 and Shrey Shah at a level of 253. 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 Sam 'Schmoney' Honey changes to +23% and Shrey Shah changes to -22%. After applying standard match damping, the adjustment for Sam 'Schmoney' Honey becomes +12.4% and for Shrey Shah becomes -12%. Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Sam 'Schmoney' Honey is +6.2% and for Shrey Shah 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 Shrey Shah 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. Sam 'Schmoney' Honey: 85%, Shrey Shah: 86%. Reduce level confidence based on how unexpected the result is. Sam 'Schmoney' Honey: 69%, Shrey Shah: 69%. A final adjustment of -0.2% 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 Sam 'Schmoney' Honey: 302, level confidence: 69%. Final level for Shrey Shah: 298, level confidence: 69%. Notes
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