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Login: | Explaining level changesTheo Cooke v Harrison 'Hulk' Talbot-Brown (Thu 21 Mar 2024)Match won by Theo Cooke. Result: 3-15,15-10,15-13,11-10.Starting level for Theo Cooke: 1,638, level confidence: 77%. Set manually. Starting level for Harrison 'Hulk' Talbot-Brown: 2,509, level confidence: 85%. Set manually. Harrison 'Hulk' Talbot-Brown to win as he is currently playing 53% better than Theo Cooke. Theo Cooke won 75% of the games and 48% of the points. This games result would be expected if he was better by around 25%. This points result would be expected if he was worse by around 9% (PAR scoring). These are weighted and combined to calculate that Theo Cooke played 14% better than Harrison 'Hulk' Talbot-Brown in this match. Assuming that any level changes are shared between both players, for this result it looks like Theo Cooke actually played at a level of 2,165 and Harrison 'Hulk' Talbot-Brown at a level of 1,899. Without any damping, both players would need to be adjusted by 32% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 25% and 25% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Theo Cooke changes to +25% and Harrison 'Hulk' Talbot-Brown changes to -22%. After applying standard match damping, the adjustment for Theo Cooke becomes +11.1% and for Harrison 'Hulk' Talbot-Brown becomes -8.5%. Given Harrison 'Hulk' Talbot-Brown's level and the type of match played, an additional damping of 9.7% has been applied to his level change. Looks like he wasn't taking the match too seriously... Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Theo Cooke is +5.5% and for Harrison 'Hulk' Talbot-Brown is -3.7%. Increase level confidence due to one more match played. Theo Cooke: 88%, Harrison 'Hulk' Talbot-Brown: 92%. Reduce level confidence based on how unexpected the result is. Theo Cooke: 66%, Harrison 'Hulk' Talbot-Brown: 70%. A final adjustment of +0.6% 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 Theo Cooke: 1,726, level confidence: 66%. Final level for Harrison 'Hulk' Talbot-Brown: 2,455, level confidence: 70%. Notes
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