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Login: | Explaining level changesPremier B: University of Bristol Ballers v Westbury David Lloyd A (Tue 21 Nov 2023)Match played between Nick 'Or Tin' Benson (home) and Tom Elgood (away).Match won by Tom Elgood. Result: 12-10,7-11,11-7,5-11,5-11:11-6,11-13,11-4,14-12:11-7,8-11,11-1,11-9:9-11,8-11,11-3,11-0,9-11:11-9,8-11,11-5,5-11,11-13. Starting level for Nick 'Or Tin' Benson: 4,783, level confidence: 77%. Set manually. Starting level for Tom Elgood: 7,094, level confidence: 67%. Tom Elgood to win as he is currently playing 48% better than Nick 'Or Tin' Benson. Tom Elgood won 60% of the games and 56% 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 better by around 25% (PAR scoring). These are weighted and combined to calculate that Tom Elgood played 14% better than Nick 'Or Tin' Benson in this match. As Tom Elgood has played below his allowed range at 5,892, his level reduction is 8.3% before damping. On the assumption that Tom Elgood would normally have been playing at level 6,768 (based on typical behaviour), Nick 'Or Tin' Benson played better than expected and therefore gains a pre-damping level increase of 12%. Allowing for the difference in level between the players, the adjustments have been reduced to 6.8% and 9.4% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Tom Elgood changes to -6.8% and Nick 'Or Tin' Benson changes to +8.1%. After applying standard match damping, the adjustment for Tom Elgood becomes -2.6% and for Nick 'Or Tin' Benson becomes +3.3%. Given Tom Elgood's level and the type of match played, an additional damping of 8.2% has been applied to his level change. Apply match/event weighting of 75% for 'Mixed Autumn 2023/2024' so the adjustment for Tom Elgood is -1.8% and for Nick 'Or Tin' Benson is +2.4%. Increase level confidence due to one more match played. Tom Elgood: 82%, Nick 'Or Tin' Benson: 88%. Reduce level confidence based on how unexpected the result is. Tom Elgood: 72%, Nick 'Or Tin' Benson: 77%. 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 Nick 'Or Tin' Benson: 4,880, level confidence: 77%. Final level for Tom Elgood: 6,956, level confidence: 72%. Notes
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