|
Menu
Login: | Explaining level changesDivision 6: University of Bath 4 v University of Bath 5 (Wed 29 Nov 2023)Match played between Fin 'Nuts' Dees (home) and Jude Page (away).Match won by Fin 'Nuts' Dees. Result: 15-13,15-13,15-10. Starting level for Fin 'Nuts' Dees: 649, level confidence: 59%. Starting level for Jude Page: 338, level confidence: 62%. Fin 'Nuts' Dees to win as he is currently playing 92% better than Jude Page. Fin 'Nuts' Dees won all of the games and 56% 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 25% (PAR scoring). These are weighted and combined to calculate that Fin 'Nuts' Dees played 35% better than Jude Page in this match. Due to the difference between the players' levels, allow for the likelihood that Fin 'Nuts' Dees was taking it easy by anything up to 11%. This gives him an allowed level range for this match between 499 and 649 without affecting his level. As Fin 'Nuts' Dees has played below his allowed range at 477, his level reduction is 4.6% before damping. On the assumption that Fin 'Nuts' Dees would normally have been playing at level 577 (based on typical behaviour), Jude Page played better than expected and therefore gains a pre-damping level increase of 13%. Allowing for the difference in level between the players, the adjustments have been reduced to 3.3% and 8.9% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Fin 'Nuts' Dees changes to -3.3% and Jude Page changes to +8.4%. After applying standard match damping, the adjustment for Fin 'Nuts' Dees becomes -3.2% and for Jude Page becomes +5.7%. Apply match/event weighting of 75% for 'Mixed Autumn 2023/2024' so the adjustment for Fin 'Nuts' Dees is -2.4% and for Jude Page is +4.3%. Increase level confidence due to one more match played. Fin 'Nuts' Dees: 77%, Jude Page: 79%. Reduce level confidence based on how unexpected the result is. Fin 'Nuts' Dees: 64%, Jude Page: 66%. 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 Fin 'Nuts' Dees: 641, level confidence: 64%. Final level for Jude Page: 352, level confidence: 66%. Notes
|