Menu | Explaining level changesTerry Webster v Paul Randle (Sat 26 Apr 2025)Match won by Terry Webster. Result: 15-7,15-7,15-9.Starting level for Terry Webster: 1,341, level confidence: 84%. Set manually. Starting level for Paul Randle: 515, level confidence: 70%. Set manually. Terry Webster to win as he is currently playing 160% better than Paul Randle. Terry Webster won all of the games and 66% 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 96% (PAR scoring). These are weighted and combined to calculate that Terry Webster played 96% better than Paul Randle in this match. Due to the difference between the players' levels, allow for the likelihood that Terry Webster was taking it easy by anything up to 20%. This gives him an allowed level range for this match between 770 and 1,341 without affecting his level. In this case, Terry Webster played at level 1,040 and remained within his allowed range so his level will not be adjusted. On the assumption that Terry Webster would normally have been playing at level 1,074 (based on typical behaviour), Paul Randle played better than expected and therefore gains a pre-damping level increase of 3.3%. 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 2% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Terry Webster changes to 0% and Paul Randle changes to +2%. After applying standard match damping, the adjustment for Terry Webster becomes 0% and for Paul Randle becomes +2%. Apply match/event weighting of 50% for 'Exeter Golf & Country Club Boxes' so the adjustment for Terry Webster is 0% and for Paul Randle is +1%. Increase level confidence due to one more match played. Terry Webster: 92%, Paul Randle: 84%. Reduce level confidence based on how unexpected the result is. Terry Webster: 79%, Paul Randle: 73%. A final adjustment of -0.2% 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: 1,339, level confidence: 79%. Final level for Paul Randle: 519, level confidence: 73%. Notes
|