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Individual Calculations January 2012 |
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| Montes Fonseca, Oscar Total change: 11.10 | |   |
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| Abierto Metropolitano | San Jose | CRC | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1935 | 1.50 | 4 | 0.37 | 30 | 11.10 | |
|  Duran Vega, Sergio | | | 2226 | CRC | 0.50 | 1 | 0.35 | 30 | 10.50 | |  Castillo, Rommel | | | 2140 | CRC | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Mora, Luis Arturo | | | 1976 | CRC | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Fernandez Sanchez, Mario | | | 2083 | CRC | 0.00 | 1 | -0.30 | 30 | -9.00 | |
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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