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Login: | Explaining level changesDivision 6: University of Bristol Fresh v Yate B (Tue 08 Oct 2024)Match played between Conrad 'The Punisher' O'Driscoll (home) and Pete Ferguson (away).Match won by Pete Ferguson. Result: 9-15,8-15,3-15:10-15,5-15,3-15:8-15,5-15,13-15:15-6,15-11,15-5:15-11,15-7,15-10. Starting level for Conrad 'The Punisher' O'Driscoll: 469, level confidence: 30%. Starting level for Pete Ferguson: 847, level confidence: 92%. Set manually. Pete Ferguson to win as he is currently playing 81% better than Conrad 'The Punisher' O'Driscoll. Pete Ferguson 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 Pete Ferguson played 125% better than Conrad 'The Punisher' O'Driscoll in this match. Assuming that any level changes are shared between both players, for this result it looks like Pete Ferguson actually played at a level of 945 and Conrad 'The Punisher' O'Driscoll at a level of 420. Without any damping, both players would need to be adjusted by 12% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 8.4% and 8.5% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Pete Ferguson changes to +2.7% and Conrad 'The Punisher' O'Driscoll changes to -8.5%. After applying standard match damping, the adjustment for Pete Ferguson becomes +2.7% and for Conrad 'The Punisher' O'Driscoll becomes -5.8%. Apply match/event weighting of 75% for 'Mixed Autumn 2024/2025' so the adjustment for Pete Ferguson is +2% and for Conrad 'The Punisher' O'Driscoll is -4.3%. Increase level confidence due to one more match played. Pete Ferguson: 96%, Conrad 'The Punisher' O'Driscoll: 54%. Reduce level confidence based on how unexpected the result is. Pete Ferguson: 86%, Conrad 'The Punisher' O'Driscoll: 49%. 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 Conrad 'The Punisher' O'Driscoll: 459, level confidence: 49%. Final level for Pete Ferguson: 863, level confidence: 86%. Notes
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