|
Menu
Login: | Explaining level changesTom 'How'D I Get Here' Vasudeva v Ben 'Flex' Ledsom (Sun 06 Feb 2022)Match won by Tom 'How'D I Get Here' Vasudeva. Result: 11-7,11-6,3-11,11-4.Starting level for Tom 'How'D I Get Here' Vasudeva: 426, level confidence: 47%. Starting level for Ben 'Flex' Ledsom: 631, level confidence: 56%. Ben 'Flex' Ledsom to win as he is currently playing 48% better than Tom 'How'D I Get Here' Vasudeva. Tom 'How'D I Get Here' Vasudeva won 75% of the games and 56% of the points. This games result would be expected if he was better by around 25%. This points result would be expected if he was better by around 29% (PAR scoring). These are weighted and combined to calculate that Tom 'How'D I Get Here' Vasudeva played 26% better than Ben 'Flex' Ledsom in this match. An upset! Assuming that any level changes are shared between both players, for this result it looks like Tom 'How'D I Get Here' Vasudeva actually played at a level of 582 and Ben 'Flex' Ledsom at a level of 462. Without any damping, both players would need to be adjusted by 37% to match this result. Allowing for the difference in level between the players, the adjustments have been reduced to 29% and 29% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Tom 'How'D I Get Here' Vasudeva changes to +29% and Ben 'Flex' Ledsom changes to -23%. After applying standard match damping, the adjustment for Tom 'How'D I Get Here' Vasudeva becomes +15.4% and for Ben 'Flex' Ledsom becomes -13%. Apply match/event weighting of 100% for 'Challenge' so the adjustment is unchanged. 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 Tom 'How'D I Get Here' Vasudeva is limited to +10% and Ben 'Flex' Ledsom 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. Tom 'How'D I Get Here' Vasudeva: 68%, Ben 'Flex' Ledsom: 75%. Reduce level confidence based on how unexpected the result is. Tom 'How'D I Get Here' Vasudeva: 50%, Ben 'Flex' Ledsom: 55%. 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 Tom 'How'D I Get Here' Vasudeva: 468, level confidence: 50%. Final level for Ben 'Flex' Ledsom: 600, level confidence: 55%. Notes
|