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Rapid:
Individual Calculations February 2019 |
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| Cossio Carvajal, Bruno Total change: -1.40 | |   |
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| II Torneo Tercer Grado Alajuela 2018 | Alajuela | CRC | 2018-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1108 | 1132 | 1.00 | 2 | -0.07 | 20 | -1.40 | |
|  Salazar Artavia, Keylor | | | 1110 | CRC | 1.00 | 1 | 0.47 | 20 | 9.40 | |  Ramos Rodriguez, Daniel | | | 1105 | CRC | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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