Menu | Explaining level changesNeil Moore v Nigel Lush (Sat 13 Jul 2024)Match won by Neil Moore. Result: 11-8,11-5,11-5.Starting level for Neil Moore: 1,120, level confidence: 61%. Starting level for Nigel Lush: 1,498, level confidence: 71%. Set manually. Nigel Lush to win as he is currently playing 34% better than Neil Moore. Neil Moore won all of the games and 65% 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 83% (PAR scoring). These are weighted and combined to calculate that Neil Moore played 83% better than Nigel Lush in this match. An upset! Assuming that any level changes are shared between both players, for this result it looks like Neil Moore actually played at a level of 1,754 and Nigel Lush at a level of 957. Without any damping, both players would need to be adjusted by 57% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 47% and 47% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Neil Moore changes to +47% and Nigel Lush changes to -37%. After applying standard match damping, the adjustment for Neil Moore becomes +22% and for Nigel Lush becomes -16%. Apply match/event weighting of 50% for 'Fair Oak Boxes' so the adjustment for Neil Moore is +11% and for Nigel Lush is -7.4%. Apply limits to the amount of change for a single match which are based on player level, level confidence and time since last match so that Neil Moore is limited to +10% and Nigel Lush is limited to -5% level change. In general a player's level won't go up by more than 10% or drop more than 5% if they've played in the last 7 days but those limits are relaxed if their previous match was further back. Increase level confidence due to one more match played. Neil Moore: 78%, Nigel Lush: 84%. Reduce level confidence based on how unexpected the result is. Neil Moore: 50%, Nigel Lush: 54%. 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 Neil Moore: 1,230, level confidence: 50%. Final level for Nigel Lush: 1,425, level confidence: 54%. Notes
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