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Individual Calculations January 2020 |
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| Chen, Aidan Total change: -49.20 | |   |
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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 |
| 1625 | 1585 | 1.00 | 5 | -1.23 | 40 | -49.20 | |
|  Vihon, Howard | | | 1778 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Pearl, Reagan | | | 1515 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | |  Bednarz, Bernard | | | 1721 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Roberts, Vincent | | | 1749 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Gu, Crystal | | | 1363 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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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