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Individual Calculations September 2012 |
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| Alfaro Rojas, Alfonso Total change: -4.80 | |   |
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| Liga Premier Nacional por Equipos | San Jose | CRC | 2012-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2264 | 3.50 | 5 | -0.32 | 15 | -4.80 | |
|  Rodriguez Arrieta, Maria Elena | | | 1864 * | CRC | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Esquivel, Jose Edmond | | | 2061 | CRC | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Rodriguez, Adrian | | | 2151 | CRC | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Fernandez Sanchez, Mario | | | 2101 | CRC | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Castillo Trujillo, Ivan | | | 2057 | CRC | 0.50 | 1 | -0.27 | 15 | -4.05 | | | * 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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