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Login: | Explaining level changesPremier C: University of Bristol Ballers v Lansdown 2 (Thu 10 Oct 2024)Match played between Andrei 'Mayonnaise' Pankratov (home) and Alisdair Wriglesworth (away).Match won by Andrei 'Mayonnaise' Pankratov. Result: 11-5,7-11,11-7,10-12,12-10. Starting level for Andrei 'Mayonnaise' Pankratov: 2,191, level confidence: 74%. Set manually. Starting level for Alisdair Wriglesworth: 3,330, level confidence: 75%. Set manually. Alisdair Wriglesworth to win as he is currently playing 52% better than Andrei 'Mayonnaise' Pankratov. Andrei 'Mayonnaise' Pankratov won 60% of the games and 53% of the points. This games result would be expected if he was better by around 10%. This points result would be expected if he was better by around 13% (PAR scoring). These are weighted and combined to calculate that Andrei 'Mayonnaise' Pankratov played 11% better than Alisdair Wriglesworth in this match. Assuming that any level changes are shared between both players, for this result it looks like Andrei 'Mayonnaise' Pankratov actually played at a level of 2,844 and Alisdair Wriglesworth at a level of 2,566. Without any damping, both players would need to be adjusted by 30% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 24% and 23% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Andrei 'Mayonnaise' Pankratov changes to +24% and Alisdair Wriglesworth changes to -23%. After applying standard match damping, the adjustment for Andrei 'Mayonnaise' Pankratov becomes +9.4% and for Alisdair Wriglesworth becomes -8%. Apply match/event weighting of 75% for 'Mixed Autumn 2024/2025' so the adjustment for Andrei 'Mayonnaise' Pankratov is +7.1% and for Alisdair Wriglesworth 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 Alisdair Wriglesworth 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. Andrei 'Mayonnaise' Pankratov: 86%, Alisdair Wriglesworth: 87%. Reduce level confidence based on how unexpected the result is. Andrei 'Mayonnaise' Pankratov: 66%, Alisdair Wriglesworth: 67%. A final adjustment of -1.1% 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 Andrei 'Mayonnaise' Pankratov: 2,317, level confidence: 66%. Final level for Alisdair Wriglesworth: 3,139, level confidence: 67%. Notes
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