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Individual Calculations September 2018 |
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| Machaca Sinani, Roberto Carlos Total change: 30.00 | |   |
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| XII Olimpiada Nacional de Ajedrez 2018 (Sub-18 Absoluto) | Sucre | BOL | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1381 | 1.50 | 2 | 0.75 | 40 | 30.00 | |
|  Fernandez Castillo, Alejandro | | | 1577 | BOL | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Cervantes, Alvaro Mauricio | | | 1378 | BOL | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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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