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Individual Calculations October 2017 |
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| Villagra Arce, Henry Total change: 90.80 | |   |
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| Primer Clasificatorio Campeonato Nacional Absoluto 2017-18 | San Jose | CRC | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1659 | 3.00 | 7 | 2.27 | 40 | 90.80 | |
|  Tapia Quiros, Gustavo | c | | 2059 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hernandez Coto, Carlos Enrique | | | 2021 | CRC | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Alfaro Guillen, Jose Raul | | | 1992 | CRC | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Vilpoux, Jeremie | | | 2059 * | FRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Araya Umana, Carlos | | | 1911 | CRC | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Chinchilla Miranda, Eugenio | f | | 2059 * | CRC | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Arias Santana, Mauricio | m | | 2059 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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