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Individual Calculations May 2015 |
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| Rodriguez Arrieta, Maria Elena Total change: -20.40 | |   |
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| VI Torneo Internacional de Alajuela 2015 | Alajuela | CRC | 2015-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1931 | 4.50 | 9 | -1.02 | 20 | -20.40 | |
|  Marin Leon, Valeria | | | 1531 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Castro Ulloa, Rolando | | | 1716 | CRC | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Miranda Arroyo, Jose Pablo | | | 1656 | CRC | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Escobar Forero, Alder | g | | 2331 * | COL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rojas Cisneros, Kevin | | | 1676 | CRC | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Chinchilla Miranda, Eugenio | f | | 2176 | CRC | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Nunez Gonzalez, Neeshmy | | | 1770 | CRC | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Lievano, Luis | | | 2055 | ESA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Cespedes Perez, Ruben | | | 1615 | CRC | 0.00 | 1 | -0.87 | 20 | -17.40 | | | * 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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