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Login: | Explaining level changesRichard Dodsworth v Tejas Ramanan (Mon 15 Nov 2021)Match won by Richard Dodsworth. Result: 15-7,15-9,16-14.Starting level for Richard Dodsworth: 2,791, level confidence: 73%. Set manually. Starting level for Tejas Ramanan: 1,313, level confidence: 57%. Richard Dodsworth to win as he is currently playing 113% better than Tejas Ramanan. Richard Dodsworth won all of the games and 61% 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 53% (PAR scoring). These are weighted and combined to calculate that Richard Dodsworth played 54% better than Tejas Ramanan in this match. Due to the difference between the players' levels, allow for the likelihood that Richard Dodsworth was taking it easy by anything up to 14%. This gives him an allowed level range for this match between 1,914 and 2,791 without affecting his level. In this case, Richard Dodsworth played at level 2,202 and remained within his allowed range so his level will not be adjusted. On the assumption that Richard Dodsworth would normally have been playing at level 2,400 (based on typical behaviour), Tejas Ramanan played better than expected and therefore gains a pre-damping level increase of 9%. Allowing for the difference in level between the players, the adjustments have been reduced to 0% and 6.1% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Richard Dodsworth changes to 0% and Tejas Ramanan changes to +6.1%. After applying standard match damping, the adjustment for Richard Dodsworth becomes 0% and for Tejas Ramanan becomes +4%. Apply match/event weighting of 50% for 'Westbury David Lloyd Boxes' so the adjustment for Richard Dodsworth is 0% and for Tejas Ramanan is +2%. Increase level confidence due to one more match played. Richard Dodsworth: 86%, Tejas Ramanan: 75%. Reduce level confidence based on how unexpected the result is. Richard Dodsworth: 73%, Tejas Ramanan: 64%. A final adjustment of +0.1% 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 Richard Dodsworth: 2,798, level confidence: 73%. Final level for Tejas Ramanan: 1,338, level confidence: 64%. Notes
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