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Individual Calculations September 2023 |
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| Wu, Andrew Total change: 5.20 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1855 | 5.50 | 8 | 0.13 | 40 | 5.20 | |
|  Montevilla Cahuasa, Hector Sebas | | | 1455 * | BOL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Zhang, Ryan | | | 1441 | USA | 1.00 | 1 | 0.07 | 40 | 2.80 | | | Jing, Andrew | | | 1891 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Guo, Felix | | | 1637 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Zhu, Ryan | | | 1880 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Marchand, Calix | | | 1665 | CAN | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Deng, Michael | | | 1466 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Sun, Ryan | c | | 2142 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | * 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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