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Individual Calculations December 2019 |
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| Gamboa Vargas, Jose Pablo Total change: -20.00 | |   |
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| Torneo Abierto Naranjo 2019 | Naranjo | CRC | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1509 | 1509 | 0.50 | 2 | -0.50 | 40 | -20.00 | |
|  Campos Sanchez, Roberto | | | 1909 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hernandez Cerdas, Ignacio | | | 1109 * | CRC | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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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