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Individual Calculations September 2021 |
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| Liu, Aiden Q Total change: 0.00 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1799 | 0 | 0.50 | 4 | 0.00 | 1477 | | 0.00 | |
|  Roberts, Vincent Henry | | | 1751 | USA | 0.50 | 1 | 0.00 | | 0.00 | |  Faulks, Anthony | | | 1650 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Turner, Jesse | | | 1861 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Markov, Denis | | | 1934 | RUS | 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) | | | | 2021 North American Youth Chess Championships - Open Under 10 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1615 | 0 | 1.00 | 2 | 0.00 | 1615 | | 0.00 | |
| | Rajaram, Rohan | | | 1648 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Ho, Carter | | | 1582 | USA | 1.00 | 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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