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Individual Calculations September 2023 |
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| Ameller Flores, Catalina Total change: 20.40 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 12 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1342 | 1127 | 1.50 | 4 | 0.51 | 40 | 20.40 | |
|  Sun, Sophia | | | 1494 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Mendoza Araque, Silvana Carolina | | | 1271 | URU | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Zhang, Michelle | | | 1430 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Arivoli, Aradhana | | | 1171 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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