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Login: | Explaining level changesPremier C: University of Bath 2 v BAWA A (Wed 09 Oct 2019)Match played between Gabe ‘Oi’ Fallows (home) and Richard Colman (away).Match won by Richard Colman. Result: 6-11,11-2,8-11,9-11:3-11,6-11,11-5,9-11:11-7,5-11,4-11,5-11:9-11,9-11,6-11:?-?. Starting level for Gabe ‘Oi’ Fallows: 2,717, level confidence: 56%. Starting level for Richard Colman: 5,323, level confidence: 71%. Set manually. Richard Colman to win as he is currently playing 96% better than Gabe ‘Oi’ Fallows. Richard Colman won 75% of the games and 51% of the points. This games result would be expected if he was better by around 25%. This points result would be expected if he was better by around 3% (PAR scoring). These are weighted and combined to calculate that Richard Colman played 18% better than Gabe ‘Oi’ Fallows in this match. Due to the difference between the players' levels, allow for the likelihood that Richard Colman was taking it easy by anything up to 12%. This gives him an allowed level range for this match between 4,026 and 5,323 without affecting his level. As Richard Colman has played below his allowed range at 3,589, his level reduction is 12% before damping. On the assumption that Richard Colman would normally have been playing at level 4,702 (based on typical behaviour), Gabe ‘Oi’ Fallows played better than expected and therefore gains a pre-damping level increase of 21%. Allowing for the difference in level between the players, the adjustments have been reduced to 8.6% and 15% 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 Colman changes to -6.6% and Gabe ‘Oi’ Fallows changes to +15%. After applying standard match damping, the adjustment for Richard Colman becomes -2.8% and for Gabe ‘Oi’ Fallows becomes +6%. Given Richard Colman's level and the type of match played, an additional damping of 1.4% has been applied to his level change. Apply match/event weighting of 75% for 'Mixed Autumn 2019/2020' so the adjustment for Richard Colman is -2% and for Gabe ‘Oi’ Fallows is +4.5%. Increase level confidence due to one more match played. Richard Colman: 84%, Gabe ‘Oi’ Fallows: 75%. Reduce level confidence based on how unexpected the result is. Richard Colman: 65%, Gabe ‘Oi’ Fallows: 58%. A final adjustment of +0.4% 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 Gabe ‘Oi’ Fallows: 2,856, level confidence: 58%. Final level for Richard Colman: 5,223, level confidence: 65%. Notes
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