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Individual Calculations September 2021 |
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| Platnick, Elijah Samuel Total change: 49.60 | |   |
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| 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1850 | 3.50 | 8 | 1.24 | 40 | 49.60 | |
|  Talukdar, Rohan | f | | 2250 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Paul, Justin | f | | 2250 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rama, Vikas | | | 1534 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Shah, Kai Mahesh | | | 1781 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Moor, Nathaniel | | | 2041 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Shen, Christopher | f | | 2250 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Li, Eric Yuhan | f | | 2250 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jin, Ashton | | | 2074 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | |
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