Menu | Explaining level changesSamuel Morris v Tommy Meadows (Sat 31 May 2025)Match won by Samuel Morris. Result: 15-13,13-11.Starting level for Samuel Morris: 3,915, level confidence: 49%. Starting level for Tommy Meadows: 1,855, level confidence: 20%. Samuel Morris to win as he is currently playing 111% better than Tommy Meadows. Samuel Morris won all of the games and 54% 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 17% (PAR scoring). These are weighted and combined to calculate that Samuel Morris played 29% better than Tommy Meadows in this match. Due to the difference between the players' levels, allow for the likelihood that Samuel Morris was taking it easy by anything up to 14%. This gives him an allowed level range for this match between 2,699 and 3,915 without affecting his level. As Samuel Morris has played below his allowed range at 2,545, his level reduction is 6.1% before damping. On the assumption that Samuel Morris would normally have been playing at level 3,374 (based on typical behaviour), Tommy Meadows played better than expected and therefore gains a pre-damping level increase of 19%. Allowing for the difference in level between the players, including some additional protection for the better player, the adjustments have been reduced to 3.4% and 12% respectively. As this is a best of 3 match rather than best of 5, these adjustments have been reduced to 2.5% and 9.2% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Samuel Morris changes to -1% and Tommy Meadows changes to +9.2%. After applying standard match damping, the adjustment for Samuel Morris becomes -0.6% and for Tommy Meadows becomes +4.7%. Given Samuel Morris's level and the type of match played, an additional damping of 33% has been applied to his level change. Apply match/event weighting of 50% for 'Club match' so the adjustment for Samuel Morris is 0% and for Tommy Meadows is +2.4%. Increase level confidence due to one more match played. Samuel Morris: 70%, Tommy Meadows: 44%. Reduce level confidence based on how unexpected the result is. Samuel Morris: 55%, Tommy Meadows: 35%. Final level for Samuel Morris: 3,906, level confidence: 55%. Final level for Tommy Meadows: 1,899, level confidence: 35%. Notes
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