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Individual Calculations September 2023 |
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| Huang, Lulu Total change: 80.40 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 16 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1195 | 2.50 | 7 | 1.89 | 40 | 75.60 | |
|  Gonzalez Gonzalez, Valentina Ant | | | 1625 | CHI | 0.00 | 1 | -0.07 | 40 | -2.80 | |  Vikas, Hema | | | 1585 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kaur, Aradh | | | 1587 | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Gomez Camara, Sofia | | | 1569 | MEX | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Rajaram, Anika | | wc | 1661 | USA | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Chen, Rachel Ruoxuan | | wf | 2158 | CAN | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Soliz Flores, Luz Neyda | | | 1412 | BOL | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | | | 55th annual Atlantic Open - U2100 | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1551 | 1195 | 0.50 | 3 | 0.12 | 40 | 4.80 | |
| | Cooke, Grayson | | | 1673 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Chovanec, Alice | | | 1590 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Iyer, Vedanth | | | 1389 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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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