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Individual Calculations May 2018 |
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| Cersosimo Bolanos, Francisco Total change: -14.60 | |   |
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| Campeonato Nacional Senior 2018 | San Jose | CRC | 2018-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 2126 | 1.00 | 2 | -0.73 | 20 | -14.60 | |
|  Araya Umana, Carlos | | | 1872 | CRC | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Chaves Moya, Nattanahel Alberto | | | 1726 * | CRC | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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