Menu | Explaining level changesTerry Webster v Steve Webber (Tue 18 Jun 2024)Match won by Steve Webber. Result: 10-15,13-15,9-15.Starting level for Terry Webster: 1,408, level confidence: 64%. Starting level for Steve Webber: 3,268, level confidence: 60%. Steve Webber to win as he is currently playing 132% better than Terry Webster. Steve Webber won all of the games and 58% 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 41% (PAR scoring). These are weighted and combined to calculate that Steve Webber played 45% better than Terry Webster in this match. Due to the difference between the players' levels, allow for the likelihood that Steve Webber was taking it easy by anything up to 16%. This gives him an allowed level range for this match between 2,084 and 3,268 without affecting his level. As Steve Webber has played below his allowed range at 2,065, his level reduction is 0.9% before damping. On the assumption that Steve Webber would normally have been playing at level 2,730 (based on typical behaviour), Terry Webster played better than expected and therefore gains a pre-damping level increase of 15%. Allowing for the difference in level between the players, including some additional protection for the better player, the adjustments have been reduced to 0.4% and 9.9% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Steve Webber changes to -0.4% and Terry Webster changes to +9.3%. After applying standard match damping, the adjustment for Steve Webber becomes -0.3% and for Terry Webster becomes +5.3%. Given Steve Webber's level and the type of match played, an additional damping of 23% has been applied to his level change. Apply match/event weighting of 50% for 'Exeter Golf & Country Club Boxes' so the adjustment for Steve Webber is 0% and for Terry Webster is +2.6%. Increase level confidence due to one more match played. Steve Webber: 77%, Terry Webster: 80%. Reduce level confidence based on how unexpected the result is. Steve Webber: 61%, Terry Webster: 63%. 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 Terry Webster: 1,443, level confidence: 63%. Final level for Steve Webber: 3,260, level confidence: 61%. Notes
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