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Individual Calculations September 2021 |
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| Gulbronson, Zahni Total change: 0.00 | |   |
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| 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1939 | 0 | 0.00 | 3 | 0.00 | 1139 | | 0.00 | |
|  Atanasov, Anthony | f | | 2196 | CAN | 0.00 | 1 | 0.00 | | 0.00 | |  Espinosa, Pedro | | | 1841 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Shah, Kai Mahesh | | | 1781 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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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