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Login: | Explaining level changesPremier A: Lansdown 1 v UWE Bristol Buccaneers (Wed 06 Nov 2024)Match played between Adam 'The Hulk' Giles (home) and Yasshmita Jadishkumar (away).Match won by Yasshmita Jadishkumar. Result: 11-1,8-11,7-11,8-11. Starting level for Adam 'The Hulk' Giles: 8,048, level confidence: 73%. Set manually. Starting level for Yasshmita Jadishkumar: 7,472, level confidence: 73%. Set manually. Adam 'The Hulk' Giles to win as he is currently playing 8% better than Yasshmita Jadishkumar. Yasshmita Jadishkumar won 75% of the games and 50% of the points. This games result would be expected if she was better by around 25%. This points result would be expected if she was better by around 0% (PAR scoring). These are weighted and combined to calculate that Yasshmita Jadishkumar played 17% better than Adam 'The Hulk' Giles in this match. Assuming that any level changes are shared between both players, for this result it looks like Yasshmita Jadishkumar actually played at a level of 8,379 and Adam 'The Hulk' Giles at a level of 7,177. Without any damping, both players would need to be adjusted by 12% 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 Yasshmita Jadishkumar changes to +12% and Adam 'The Hulk' Giles changes to -12%. After applying standard match damping, the adjustment for Yasshmita Jadishkumar becomes +3.8% and for Adam 'The Hulk' Giles becomes -3.8%. Given Yasshmita Jadishkumar's level and the type of match played, an additional damping of 9.5% has been applied to her level change. Given Adam 'The Hulk' Giles's level and the type of match played, an additional damping of 11% has been applied to his level change. Apply match/event weighting of 75% for 'Mixed Autumn 2024/2025' so the adjustment for Yasshmita Jadishkumar is +2.6% and for Adam 'The Hulk' Giles is -2.5%. Increase level confidence due to one more match played. Yasshmita Jadishkumar: 86%, Adam 'The Hulk' Giles: 86%. Reduce level confidence based on how unexpected the result is. Yasshmita Jadishkumar: 76%, Adam 'The Hulk' Giles: 76%. 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 Adam 'The Hulk' Giles: 7,840, level confidence: 76%. Final level for Yasshmita Jadishkumar: 7,655, level confidence: 76%. Notes
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