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Individual Calculations November 2018 |
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| Araya Tropper, Ariel Total change: -3.20 | |   |
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| Campeonato Nacional por Equipos Juvenil Sub14 2018 | San Jose | CRC | 2018-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1235 | 0.50 | 1 | -0.08 | 40 | -3.20 | |
|  Barboza Viquez, Martin Eduardo | | | 1181 | CRC | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | |
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