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Individual Calculations May 2012 |
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| Gomez Huertas, Stanley Total change: -20.85 | |   |
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| Nacional Abierto 2011 Jorge van der Laat Ulloa | San Jose | CRC | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1990 | 2.00 | 6 | -0.86 | 15 | -12.90 | |
|  Vargas Serano, Pablo | | | 2039 | CRC | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Bermudez , Sergio | f | | 2162 | CRC | 0.50 | 1 | 0.23 | 15 | 3.45 | |  Bonilla Sequeira, Pablo | | | 1883 | CRC | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Carranza Fernandez, Jorge | | | 1904 | CRC | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Esquivel, Jose Edmond | | | 1999 | CRC | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Solano Cuya, Bryan | | | 2061 | CRC | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | Boanerges Navarro In Memoriam 2012 Grupo A | Moravia | CRC | 2012-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1990 | 1.50 | 4 | -0.53 | 15 | -7.95 | |
| | Murillo Tsijli, Alexis | m | | 2305 | CRC | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Acevedo Mendez, Lisseth | | | 1886 | CRC | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Gamboa Alvarado, Leticia | | | 1839 | CRC | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Jimenez Garcia, Emanuel | | | 1955 | CRC | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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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