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Login: | Explaining level changesNick Baines v Mike Reeves (Wed 08 Nov 2023)Match won by Nick Baines. Result: 15-9,15-5,15-4.Starting level for Nick Baines: 195, level confidence: 49%. Starting level for Mike Reeves: 194, level confidence: 57%. Nick Baines to win as he is currently playing 1% better than Mike Reeves. Nick Baines won all of the games and 71% 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 150% (PAR scoring). These are weighted and combined to calculate that Nick Baines played 150% better than Mike Reeves in this match. Nick Baines has played significantly better in this match than his level suggests and this is backed up by his last three results so use accelerated level adjustment to get his level right more quickly. As a result, his pre-match level has been increased to 233. The remaining calculations use this as his level coming in to this match. Assuming that any level changes are shared between both players, for this result it looks like Nick Baines actually played at a level of 336 and Mike Reeves at a level of 134. Without any damping, both players would need to be adjusted by 44% to match this result. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Nick Baines changes to +39% and Mike Reeves changes to -32%. After applying standard match damping, the adjustment for Nick Baines becomes +19.9% and for Mike Reeves becomes -17%. Apply match/event weighting of 50% for 'Weston Club Boxes' so the adjustment for Nick Baines is +9.9% and for Mike Reeves is -7.7%. 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 Mike Reeves 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. Including the accelerated level adjustment, the total adjustment for Nick Baines is +31%. Increase level confidence due to one more match played. Nick Baines: 70%, Mike Reeves: 76%. Reduce level confidence based on how unexpected the result is. Nick Baines: 44%, Mike Reeves: 48%. Final level for Nick Baines: 256, level confidence: 44%. Final level for Mike Reeves: 185, level confidence: 48%. Notes
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