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Individual Calculations January 2012 |
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| Bermudez Vives, Sergio Total change: -22.20 | |   |
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| Abierto Metropolitano | San Jose | CRC | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 2184 | 1.00 | 3 | -1.48 | 15 | -22.20 | |
|  Esquivel, Jose Edmond | | | 1960 | CRC | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Carranza Fernandez, Jorge | | | 1868 | CRC | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Fernandez Sibaja, Felipe | | | 1916 | CRC | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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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