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Individual Calculations October 2018 |
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| Montevilla C., Jonathan Issac Total change: -12.80 | |   |
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| XII Olimpiada Nacional de Ajedrez 2018 (Sub-10 Absoluto) | Sucre | BOL | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1150 | 1.00 | 3 | -0.44 | 40 | -17.60 | |
|  Vargas Garzon, Maximiliano | | | 1224 | BOL | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Sotomayor Llano, Gael | | | 1110 | BOL | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Beltran Ticona, David Salomon | | | 1167 | BOL | 0.00 | 1 | -0.48 | 40 | -19.20 | |
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) | | | | II Festival IRT "Sol de Septiembre" (Categoria Infantil) | Cochabamba | BOL | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1266 | 1150 | 1.50 | 4 | 0.12 | 40 | 4.80 | |
| | Zubieta Echalar, Eduardo | | | 1286 | BOL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Apaza Ricaldi, Dylan Brian | | | 1309 | BOL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Arce, Valeria | | | 1281 | BOL | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Jimenez, Edwin Nicolas | | | 1186 | BOL | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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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