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Individual Calculations September 2021 |
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| Atwell, Rose Total change: -28.80 | |   |
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| 26th Annual Pacific Coast Open - Premier | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1858 | 1.00 | 4 | -0.36 | 40 | -14.40 | |
|  Wan, Caleb | | | 2119 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Phares, Eric | | | 1852 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Wang, Xiexin | | | 2086 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Shevkunov, Vladyslav | | | 1890 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | 11th Annual Central California Open - Open | Fresno, California | USA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1858 | 2.00 | 4 | -0.36 | 40 | -14.40 | |
| | Bryant, John Daniel | m | | 2258 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lee, Yesun Kate | | | 1743 | USA | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Martinez, Lawrence | | | 1584 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Chen, Aidan Joseph | | | 1623 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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