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Individual Calculations March 2014 |
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| Castillo Trujillo, Ivan Total change: -3.15 | |   |
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| V Abierto Internacional de Alajuela 2014 | Alajuela | CRC | 2014-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 2021 | 2.00 | 6 | -0.21 | 15 | -3.15 | |
|  Duran Vega, Sergio | f | | 2279 | CRC | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Vaglio Munoz, Jaime | m | | 2206 | CRC | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Stefansson, Hannes | g | | 2421 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Salazar Kelvin, Stanley | | | 1876 | CRC | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Rodriguez Arrieta, Maria Elena | | wf | 1869 | CRC | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Chinchilla Miranda, Eugenio | f | | 2174 | CRC | 0.00 | 1 | -0.30 | 15 | -4.50 | | | * 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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