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Individual Calculations September 2021 |
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| Wang, Ryan R Total change: 20.80 | |   |
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| 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1741 | 2.50 | 5 | 0.52 | 40 | 20.80 | |
|  Jiang, Brandon | | | 2016 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Su, Ethan | | | 1794 | CAN | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Xie, Bryan | c | | 1998 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Su, Kevin | | | 1841 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Xiong, Lang Leo | | | 1462 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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