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Individual Calculations September 2019 |
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| Ramirez Marchena, Carlos Andres Total change: 28.00 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1653 | 2.50 | 5 | 0.70 | 40 | 28.00 | |
|  Castillo Morales, Thais | | wm | 1864 | CRC | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Minero Pineda, Carlos | | | 2053 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alvarado Machado, Verny | | | 1969 | CRC | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Marin Leon, Valeria | | wc | 1699 | CRC | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Morales Zumbado, Raul | | | 1253 * | CRC | 1.00 | 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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