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Individual Calculations September 2023 |
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| Mayorga Araya, Sofia Total change: -45.60 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 14 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1871 | 6.00 | 9 | -1.79 | 40 | -71.60 | |
|  Fausto, Aliana | | | 1320 | USA | 0.00 | 1 | -0.97 | 40 | -38.80 | |  Desai, Esha | | | 1471 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Escobar Lopez, Laura Alejandra | | | 1277 | MEX | 1.00 | 1 | 0.02 | 40 | 0.80 | | | Herrada, Blanco Maria Fernanda | | | 1545 | PER | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Krishnan, Mihika | | | 1287 | USA | 0.50 | 1 | -0.48 | 40 | -19.20 | | | Gayle, Kaia | | | 1224 | JAM | 1.00 | 1 | 0.01 | 40 | 0.40 | | | Cheng, Claire Ziyun | | | 1455 | USA | 1.00 | 1 | 0.07 | 40 | 2.80 | | | Ananth, Ananya | | | 1759 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Gaw, Chloe | | | 1874 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | * 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) | | | | II Selecciones Femenino vs Senior 2023 | San Jose | CRC | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1871 | 4.00 | 7 | 0.65 | 40 | 26.00 | |
| | Piza Volio, Eduardo | c | | 2161 | CRC | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Solano Cruz, Agustin | c | | 1899 | CRC | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Araya Umana, Carlos | c | | 1805 | CRC | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Solis Gomez, Jose Alberto | | | 1807 | CRC | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Guillen Murillo, Sergio Guillermo | | | 1708 | CRC | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Aguilar Pina, Luis Gerardo | | | 1737 | CRC | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Jimenez Molina, Juan Leon | f | | 2169 | CRC | 1.00 | 1 | 0.85 | 40 | 34.00 | |
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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