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Individual Calculations October 2021 |
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| Reyes Zavaleta, Sergio Gabriel Total change: -60.80 | |   |
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| XXXI Panamerican Youth Chess Festival 2021 - U10 Open | Florianopolis SC | BRA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1201 | 1191 | 0.50 | 2 | -0.47 | 40 | -18.80 | |
|  Salazar Salinas, Rodrigo | | | 1189 | BOL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Jimenez, Mateo | | | 1212 | ESA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | 8 Open IRT U-2200 Club Hermanos Rojas | Lima | PER | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1191 | 0.00 | 4 | -1.05 | 40 | -42.00 | |
|  Reyes Zavaleta, Diego Alexander | | | 1591 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Acuna Alarcon, Claudia Micaela | | | 1248 | PER | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Vasquez, Cesar | | | 1591 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vilca Contreras, Dante Ivan | | | 1212 | PER | 0.00 | 1 | -0.47 | 40 | -18.80 | | | * 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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