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Individual Calculations July 2021 |
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| Ren, Jesse Total change: 17.20 | |   |
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| 30th Annual Chicago Open - Under 2100 | Wheeling, Illinois | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1597 | 1.00 | 2 | 0.24 | 40 | 9.60 | |
|  Weber, Madeline L | | | 1752 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | |  Tu, Robin | | | 1618 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | 14th Annual Cleveland Open - Under 2100 | Middleburg Heights, Ohio | USA | 2021-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1597 | 0.50 | 2 | 0.19 | 40 | 7.60 | |
| | Tamkan, Ekrem | | | 1883 | TUR | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Smith, Roger Chris | | | 1892 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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