SquashLevels calculations
Joanne Ravenhill v Laura Wood (Mon 01 Mar 2010)
Match won by Laura Wood. Result: 10-15,8-15,7-15.
Starting level for
Joanne Ravenhill:
193, level confidence: 68%.
Starting level for
Laura Wood:
370, level confidence: 66%.
Laura Wood to win as he is currently playing
92% better than Joanne Ravenhill.
Laura Wood won all of the games and 64% 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 80% (PAR scoring).
These are weighted and combined to calculate that Laura Wood played
80% better than Joanne Ravenhill in this match.
Due to the difference between the players' levels, allow for the likelihood that Laura Wood was taking it easy by anything up to 11%. This gives him an allowed level range for this match between 285 and 370 without affecting his level.
In this case, Laura Wood played at level 347 and remained within his allowed range so his level will not be adjusted. Consequently, Joanne Ravenhill is considered to have not played better than expected and his level will also not be adjusted.
Increase level confidence due to one more match played. Laura Wood: 81%, Joanne Ravenhill: 82%. Reduce level confidence based on how unexpected the result is. Laura Wood: 79%, Joanne Ravenhill: 80%.
A final adjustment of -0.1% 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 Joanne Ravenhill:
193, level confidence: 80%.
Final level for Laura Wood:
369, level confidence: 79%.