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Login: | Explaining level changesDivision 1: Gordano A v Thornbury A (Wed 06 Sep 2023)Match played between Nick Hand/Will Keeble (home) and Colin Preece/Nick Clifton (away).Match won by Nick Hand/Will Keeble. Result: 15-11,15-11,15-9:16-14,15-9,10-15,15-6. Starting level for Nick Hand/Will Keeble: 2,850, level confidence: 29%. Starting level for Colin Preece/Nick Clifton: 1,104, level confidence: 10%. Nick Hand/Will Keeble to win as he is currently playing 158% better than Colin Preece/Nick Clifton. Nick Hand/Will Keeble won all of the games and 59% 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 45% (PAR scoring). These are weighted and combined to calculate that Nick Hand/Will Keeble played 48% better than Colin Preece/Nick Clifton in this match. Due to the difference between the players' levels, allow for the likelihood that Nick Hand/Will Keeble was taking it easy by anything up to 20%. This gives him an allowed level range for this match between 1,744 and 2,850 without affecting his level. As Nick Hand/Will Keeble has played below his allowed range at 1,690, his level reduction is 3.2% before damping. On the assumption that Nick Hand/Will Keeble would normally have been playing at level 2,291 (based on typical behaviour), Colin Preece/Nick Clifton played better than expected and therefore gains a pre-damping level increase of 18%. Allowing for the difference in level between the players, including some additional protection for the better player, the adjustments have been reduced to 1.6% 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 Nick Hand/Will Keeble changes to -0.6% and Colin Preece/Nick Clifton changes to +11%. After applying standard match damping, the adjustment for Nick Hand/Will Keeble becomes -0.4% and for Colin Preece/Nick Clifton becomes +6.6%. Apply match/event weighting of 75% for 'Mixed Doubles - Playoff 2022/2023' so the adjustment for Nick Hand/Will Keeble is 0% and for Colin Preece/Nick Clifton is +5%. Increase level confidence due to one more match played. Nick Hand/Will Keeble: 54%, Colin Preece/Nick Clifton: 32%. Reduce level confidence based on how unexpected the result is. Nick Hand/Will Keeble: 41%, Colin Preece/Nick Clifton: 24%. Final level for Nick Hand/Will Keeble: 2,842, level confidence: 41%. Final level for Colin Preece/Nick Clifton: 1,159, level confidence: 24%. Notes
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