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Individual Calculations July 2019 |
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| Diaz Charpentier, Kristel Meliss Total change: 36.00 | |   |
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| Torneo Clasificatorio de Segunda Categoria ADAE 2019 | Escazu | CRC | 2019-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1621 | 4.00 | 8 | -0.45 | 40 | -18.00 | |
|  Valverde Mora, Mauricio | | | 1567 | CRC | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Rodriguez Jimenez, Jose Daniel | | | 1522 | CRC | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Villegas Rodriguez, Jeremy | | | 1495 | CRC | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Castro Garcia, Alejandro | | | 1643 | CRC | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Ramirez Marchena, Carlos Andres | | | 1695 | CRC | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Cartin Aguilar, Luis Javier | | | 1533 | CRC | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Espitia Torres, Mateo | | | 1653 | CRC | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Melendez Arce, Caleth | | | 1539 | CRC | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1621 | 2.00 | 4 | 1.35 | 40 | 54.00 | |
| | Kumar, Arya | | | 1912 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Demchenko, Svitlana | | wf | 2021 * | CAN | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Xing, Ashley | | | 1880 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Zhou, Iris Yi-Xian | | | 1826 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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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