Menu | Explaining level changesTerry Webster v Steve Webber (Thu 30 May 2024)Match won by Steve Webber. Result: 10-15,11-15,5-15.Starting level for Terry Webster: 1,463, level confidence: 60%. Starting level for Steve Webber: 3,273, level confidence: 55%. Steve Webber to win as he is currently playing 124% better than Terry Webster. Steve Webber won all of the games and 63% 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 73% (PAR scoring). These are weighted and combined to calculate that Steve Webber played 73% 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 15%. This gives him an allowed level range for this match between 2,153 and 3,273 without affecting his level. In this case, Steve Webber played at level 2,648 and remained within his allowed range so his level will not be adjusted. On the assumption that Steve Webber would normally have been playing at level 2,768 (based on typical behaviour), Terry Webster played better than expected and therefore gains a pre-damping level increase of 4.6%. Allowing for the difference in level between the players, including some additional protection for the better player, the adjustments have been reduced to 0% and 3% 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% and Terry Webster changes to +2.8%. After applying standard match damping, the adjustment for Steve Webber becomes 0% and for Terry Webster becomes +2.4%. 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 +1.2%. Increase level confidence due to one more match played. Steve Webber: 74%, Terry Webster: 77%. Reduce level confidence based on how unexpected the result is. Steve Webber: 65%, Terry Webster: 68%. 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: 1,478, level confidence: 68%. Final level for Steve Webber: 3,268, level confidence: 65%. Notes
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