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Individual Calculations December 2021 |
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| Valdes Alvarez, Lilia Cristina Total change: 24.80 | |   |
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| III IRT Hibrido de Las Americas Sub-1600 2021 U12 | Chacao-Porlamar-Guayaquil-Macas-Lima-Saltillo-Puerto Espana | VEN | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1351 | 1054 | 1.50 | 3 | 1.04 | 40 | 41.60 | |
|  Rojas Linares, Nicolas Gabriel | | | 1422 | PER | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Mariduena Villa, Eduardo Josue | | | 1301 | ECU | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Vilca Contreras, Dante Ivan | | | 1329 | PER | 1.00 | 1 | 0.83 | 40 | 33.20 | |
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) | | | | XI JUEGOS NACIONALES DE AJEDREZ INFANTILES Y JUVENILES 2021 SUB 12 FEMENIL | Cancun, Quintana Roo | MEX | 2021-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1054 | 0.00 | 2 | -0.42 | 40 | -16.80 | |
| | Flores Lopez, Isabella | | | 1221 | MEX | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Galaviz Medina, Caissa Luduvina | | | 1368 | MEX | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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