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Individual Calculations December 2019 |
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| Posthuma, Joshua Total change: -2.40 | |   |
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| 28th Annual Kings Island Open | Blue Ash, Ohio | USA | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2348 | 3.50 | 5 | -0.12 | 20 | -2.40 | |
|  Wilson, Russell | | | 2015 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Gaisinsky, Adam | c | | 2040 | CAN | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Stukopin, Andrey | g | | 2573 | RUS | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Allen, Zachary J | | | 2055 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Park, Evan | | | 2100 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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