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Login: | Explaining level changesMark Beech v Kunle 'Thanos' Adeboye (Tue 13 Jun 2023)Match won by Mark Beech. Result: 15-8,15-5,15-7.Starting level for Mark Beech: 2,131, level confidence: 67%. Starting level for Kunle 'Thanos' Adeboye: 1,950, level confidence: 81%. Set manually. Mark Beech to win as he is currently playing 9% better than Kunle 'Thanos' Adeboye. Mark Beech won all of the games and 69% 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 125% (PAR scoring). These are weighted and combined to calculate that Mark Beech played 125% better than Kunle 'Thanos' Adeboye in this match. Assuming that any level changes are shared between both players, for this result it looks like Mark Beech actually played at a level of 3,058 and Kunle 'Thanos' Adeboye at a level of 1,359. Without any damping, both players would need to be adjusted by 43% 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 Mark Beech changes to +41% and Kunle 'Thanos' Adeboye changes to -32%. After applying standard match damping, the adjustment for Mark Beech becomes +15.1% and for Kunle 'Thanos' Adeboye becomes -13%. Given Mark Beech's level and the type of match played, an additional damping of 2.6% has been applied to his level change. Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Mark Beech is +7.4% and for Kunle 'Thanos' Adeboye is -5.9%. 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 Kunle 'Thanos' Adeboye 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. Mark Beech: 82%, Kunle 'Thanos' Adeboye: 90%. Reduce level confidence based on how unexpected the result is. Mark Beech: 57%, Kunle 'Thanos' Adeboye: 63%. A final adjustment of +0.9% 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 Mark Beech: 2,285, level confidence: 57%. Final level for Kunle 'Thanos' Adeboye: 1,892, level confidence: 63%. Notes
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