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Login: | Explaining level changesDivision 3: Lansdown 4 v Bradley Stoke Squash Club B (Wed 02 Oct 2024)Match played between Matt Burn (home) and Julio Meech (away).Match won by Matt Burn. Result: 15-6,15-12,15-13. Starting level for Matt Burn: 1,491, level confidence: 74%. Set manually. Starting level for Julio Meech: 735, level confidence: 63%. Matt Burn to win as he is currently playing 103% better than Julio Meech. Matt Burn 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 Matt Burn played 48% better than Julio Meech in this match. Due to the difference between the players' levels, allow for the likelihood that Matt Burn was taking it easy by anything up to 13%. This gives him an allowed level range for this match between 1,096 and 1,491 without affecting his level. As Matt Burn has played below his allowed range at 1,094, his level reduction is 0% before damping. On the assumption that Matt Burn would normally have been playing at level 1,301 (based on typical behaviour), Julio Meech played better than expected and therefore gains a pre-damping level increase of 9.2%. Allowing for the difference in level between the players, the adjustments have been reduced to 0% and 6.4% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Matt Burn changes to 0% and Julio Meech changes to +6.4%. After applying standard match damping, the adjustment for Matt Burn becomes -0.1% and for Julio Meech becomes +4.7%. Apply match/event weighting of 75% for 'Mixed Autumn 2024/2025' so the adjustment for Matt Burn is 0% and for Julio Meech is +3.5%. Increase level confidence due to one more match played. Matt Burn: 86%, Julio Meech: 80%. Reduce level confidence based on how unexpected the result is. Matt Burn: 74%, Julio Meech: 68%. 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 Matt Burn: 1,477, level confidence: 74%. Final level for Julio Meech: 759, level confidence: 68%. Notes
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