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Login: | Explaining level changesNicola Hardwick v Nye 'No Need To Shout!' Williams (Mon 12 Sep 2022)Match won by Nye 'No Need To Shout!' Williams. Result: 12-15,13-15,15-7,15-8,13-15.Starting level for Nicola Hardwick: 897, level confidence: 10%. Starting level for Nye 'No Need To Shout!' Williams: 1,255, level confidence: 70%. Set manually. Nye 'No Need To Shout!' Williams to win as he is currently playing 40% better than Nicola Hardwick. Nye 'No Need To Shout!' Williams won 60% of the games and 47% 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 worse by around 13% (PAR scoring). These are weighted and combined to calculate that Nye 'No Need To Shout!' Williams played 5% better than Nicola Hardwick in this match. As Nye 'No Need To Shout!' Williams has played below his allowed range at 1,038, his level reduction is 10.7% before damping. On the assumption that Nye 'No Need To Shout!' Williams would normally have been playing at level 1,211 (based on typical behaviour), Nicola Hardwick played better than expected and therefore gains a pre-damping level increase of 14%. Allowing for the difference in level between the players, the adjustments have been reduced to 8.9% and 11% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Nye 'No Need To Shout!' Williams changes to -1.2% and Nicola Hardwick changes to +11%. After applying standard match damping, the adjustment for Nye 'No Need To Shout!' Williams becomes -1.1% and for Nicola Hardwick becomes +7.1%. Apply match/event weighting of 50% for 'Redland Green Boxes' so the adjustment for Nye 'No Need To Shout!' Williams is -0.5% and for Nicola Hardwick is +3.6%. Increase level confidence due to one more match played. Nye 'No Need To Shout!' Williams: 84%, Nicola Hardwick: 32%. Reduce level confidence based on how unexpected the result is. Nye 'No Need To Shout!' Williams: 73%, Nicola Hardwick: 27%. A final adjustment of +0.3% 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 Nicola Hardwick: 897, level confidence: 27%. Final level for Nye 'No Need To Shout!' Williams: 1,299, level confidence: 73%. Notes
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