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Individual Calculations November 2019 |
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| Salazar Artavia, Keylor Total change: 31.60 | |   |
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| Campeonato Nacional por Equipos Sub14 Infantil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1221 | 1056 | 2.00 | 4 | 0.79 | 40 | 31.60 | |
|  Barboza Viquez, Martin Eduardo | | | 1397 | CRC | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Ruiz Alfaro, Darrel | | | 1306 | CRC | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rojas Mora, Maria Salvadora | | | 1064 | CRC | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Vargas Abadia, Alejandro | | | 1118 | CRC | 0.50 | 1 | 0.09 | 40 | 3.60 | |
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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