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Individual Calculations October 2018 |
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| Castillo Valverde, Mayki Total change: -24.00 | |   |
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| XII Olimpiada Nacional de Ajedrez 2018 (Sub-12 Absoluto) | Sucre | BOL | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1307 | 0.00 | 1 | -0.35 | 40 | -14.00 | |
|  Aviles Portal, Pedro | | | 1415 | BOL | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | II Festival IRT "Sol de Septiembre" (Categoria Infantil) | Cochabamba | BOL | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1166 | 1307 | 2.50 | 4 | -0.25 | 40 | -10.00 | |
|  Zambrana Veizaga, Fabio | | | 1180 | BOL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Morales Estrada, Jhoel Henry | | | 1190 | BOL | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Montevilla C., Elias Alejandro | | | 1093 | BOL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Villazon Zeballos, Manuel | | | 1200 | BOL | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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