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Individual Calculations January 2020 |
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| Jiang, Leo Total change: 2.80 | |   |
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| 55th Annual American Open - U2200 | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1583 | 1.50 | 4 | 0.07 | 40 | 2.80 | |
|  Hudson, Quinn | | | 1786 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Nathan, Jacob | | | 1863 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Gu, Crystal | | | 1363 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Vihon, Howard | | | 1778 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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