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Individual Calculations September 2023 |
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| Xu, Melissa Total change: 23.60 | |   |
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| 2023 July FIDE Classic - Under 2000 | Mesa, AZ | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1555 | 1528 | 1.50 | 2 | 0.56 | 40 | 22.40 | |
|  Li, Brian Borui | | | 1712 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | |  Shim, Chase | | | 1398 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 10 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1532 | 2.50 | 5 | 0.03 | 40 | 1.20 | |
| | Guzman Garcia, Mia Fernanda | | | 1733 | MEX | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Yang, Aimee | | | 1598 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Zhu, Alicia | | | 1232 | USA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Li, Sophie | | | 1495 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Chovanec, Alice | | | 1590 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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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