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Login: | Explaining level changesMatt 'Padel' Lancaster v Owen James (Thu 28 Jul 2016)Match won by Matt 'Padel' Lancaster. Result: 9-0,9-1,9-0.Starting level for Matt 'Padel' Lancaster: 747, level confidence: 70%. Set manually. Starting level for Owen James: 350, level confidence: 69%. Matt 'Padel' Lancaster to win as he is currently playing 113% better than Owen James. Matt 'Padel' Lancaster won all of the games and 96% 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 379% (english scoring). These are weighted and combined to calculate that Matt 'Padel' Lancaster played 379% better than Owen James in this match. Assuming that any level changes are shared between both players, for this result it looks like Matt 'Padel' Lancaster actually played at a level of 1,119 and Owen James at a level of 234. Without any damping, both players would need to be adjusted by 50% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 32% and 32% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Matt 'Padel' Lancaster changes to +31% and Owen James changes to -32%. After applying standard match damping, the adjustment for Matt 'Padel' Lancaster becomes +16.3% and for Owen James becomes -17%. Apply match/event weighting of 50% for 'Kingswood Boxes' so the adjustment for Matt 'Padel' Lancaster is +8.1% and for Owen James 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 Owen James 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. Matt 'Padel' Lancaster: 84%, Owen James: 83%. Reduce level confidence based on how unexpected the result is. Matt 'Padel' Lancaster: 56%, Owen James: 55%. A final adjustment of -0.3% 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 Matt 'Padel' Lancaster: 803, level confidence: 56%. Final level for Owen James: 333, level confidence: 55%. Notes
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