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Individual Calculations September 2012 |
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| Barrios Zamora, Carlos Total change: 9.45 | |   |
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| Liga Premier Nacional por Equipos | San Jose | CRC | 2012-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2021 | 2.50 | 4 | 0.63 | 15 | 9.45 | |
|  Alfaro Murillo, Carlos | | | 2168 | CRC | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Chaves Villalobos, David | | | 1989 | CRC | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Nunez Gonzalez, Neeshmy | | | 1802 | CRC | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Alvarez Hernandez, Tania Regla | | wm | 2211 | CUB | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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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