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Individual Calculations July 2018 |
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| Martin Perez, Javier Total change: -14.20 | |   |
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| Campeonato Nacional Clasico de Ajedrez por Equipos FCA 2018 | San Jose | CRC | 2018-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1964 | 2.50 | 6 | -0.71 | 20 | -14.20 | |
|  Torres Barquero, Joseph | | | 1789 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Granados Ramirez, Carlos Ricardo | | | 2121 | CRC | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Peraza Alvarez, Rafael Eduardo | | | 2008 | CRC | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Murillo Gonzalez, Carlos E | f | | 1994 | CRC | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Vega Araya, Edwin | | | 1849 | CRC | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Zeledon Perez, Edgar | | | 1867 | CRC | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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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