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Login: | Explaining level changesNick Baines v Ian Hughes (Wed 20 Mar 2024)Match won by Ian Hughes. Result: 9-15,16-14,4-15,14-16.Starting level for Nick Baines: 279, level confidence: 78%. Set manually. Starting level for Ian Hughes: 708, level confidence: 78%. Set manually. Ian Hughes to win as he is currently playing 154% better than Nick Baines. Ian Hughes won 75% of the games and 58% 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 40% (PAR scoring). These are weighted and combined to calculate that Ian Hughes played 30% better than Nick Baines in this match. Due to the difference between the players' levels, allow for the likelihood that Ian Hughes was taking it easy by anything up to 19%. This gives him an allowed level range for this match between 417 and 708 without affecting his level. As Ian Hughes has played below his allowed range at 389, his level reduction is 7.3% before damping. On the assumption that Ian Hughes would normally have been playing at level 573 (based on typical behaviour), Nick Baines played better than expected and therefore gains a pre-damping level increase of 26%. Allowing for the difference in level between the players, including some additional protection for the better player, the adjustments have been reduced to 2.1% and 15% respectively. Factoring in the relative levels of confidence which allows players with low confidence in their levels to change more quickly, the adjustment for Ian Hughes changes to -2.1% and Nick Baines changes to +15%. After applying standard match damping, the adjustment for Ian Hughes becomes -2.1% and for Nick Baines becomes +9%. Apply match/event weighting of 50% for 'Weston Club Boxes' so the adjustment for Ian Hughes is -1% and for Nick Baines is +4.5%. Increase level confidence due to one more match played. Ian Hughes: 89%, Nick Baines: 89%. Reduce level confidence based on how unexpected the result is. Ian Hughes: 63%, Nick Baines: 63%. 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 Nick Baines: 291, level confidence: 63%. Final level for Ian Hughes: 700, level confidence: 63%. Notes
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