|
Individual Calculations September 2021 |
|
|
|
| Oi, Ryotaro Total change: -31.20 | |   |
|
| 2021 North American Youth Chess Championships - Open Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1493 | 0.50 | 4 | -0.78 | 40 | -31.20 | |
|  Adewumi, Tanitoluwa | | | 1893 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Goldstein, Arav Micah | | | 1680 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Boydell, Oliver | | | 1272 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Yakupov, Daut | | | 1778 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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) | | |
|
