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Individual Calculations September 2021 |
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| Liu, Joshua Total change: 18.40 | |   |
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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 |
| 1648 | 1393 | 1.50 | 5 | 0.46 | 40 | 18.40 | |
|  Wen, Tommy | | | 1793 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | He, Samuel | | | 1572 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Sloan, Jed | | | 1793 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Xiong, Lang Leo | | | 1462 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Rajanish, Abhinav | | | 1619 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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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