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Individual Calculations September 2021 |
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| Liu, Nathan Chang Total change: -25.60 | |   |
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| 2021 DFW FIDE Premier 6 - Reserve | Dallas, Texas | USA | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1350 | 1.00 | 2 | 0.09 | 40 | 3.60 | |
|  Fang, Vincent | | | 1489 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Shankar, Aashritha V | | | 1275 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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 | K | K*chg | Game |
| 1173 | 1350 | 0.00 | 1 | -0.73 | 40 | -29.20 | |
| | Xu, Alan | | | 1173 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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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