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Individual Calculations July 2017 |
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| Castro Badilla, Ricardo Total change: 10.40 | |   |
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| Campeonato Nacional por Equipos 2017 | San Jose | CRC | 2017-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1790 | 3.50 | 6 | 0.26 | 40 | 10.40 | |
|  Semana Ramirez, Jerian | | | 1390 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jimenez Esquivel, Greivin | | | 1933 | CRC | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Ulloa Avellan, Oscar | | | 1846 | CRC | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Bolanos Sanchez, Huberth | | | 1921 | CRC | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Amaya Madrigal, Josue | | | 1846 | CRC | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Torrentes Arias, Greivin | | | 1495 | CRC | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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