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Individual Calculations April 2020 |
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| Chinchilla Nunez, Sebastian Total change: 6.80 | |   |
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| Campeonato Nacional Categorias Menores Impares U15 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1167 | 1.50 | 4 | 0.17 | 40 | 6.80 | |
|  Mora Chavarria, Sebastian | | | 1452 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Gabb Diaz, Jorvic Jefferson | | | 1217 | CRC | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Morales Cascante, Luis Diego | | | 1151 | CRC | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Fuentes Solano, Nahum Alfonso | | | 1390 | CRC | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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