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Individual Calculations September 2012 |
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| Minero Pineda, Sergio Total change: -2.50 | |   |
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| Liga Premier Nacional por Equipos | San Jose | CRC | 2012-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2412 | 2.50 | 4 | -0.25 | 10 | -2.50 | |
|  Duran Vega, Sergio | f | | 2303 | CRC | 0.50 | 1 | -0.15 | 10 | -1.50 | |  Charpentier, William | f | | 2216 | CRC | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Leyva, Hector | m | | 2389 | ESA | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Carvajal Gorgona, Jonathan | | | 2145 | CRC | 1.00 | 1 | 0.18 | 10 | 1.80 | |
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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