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Individual Calculations July 2010 |
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| Castillo Trujillo, Ivan Total change: -2.95 | |   |
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| Campeonato Nacional Por Equipos Liga Premier | Costa Rica | CRC | 2010-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2060 | 2.00 | 6 | -0.19 | 25 | -4.75 | |
|  Bermudez, Sergio | f | | 2184 | CRC | 1.00 | 1 | 0.67 | 25 | 16.75 | | | Ugalde, Ronald | | | 2139 | CRC | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Valdes, Leonardo | m | | 2395 | CRC | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Munoz, Carolina | | wm | 2037 | CRC | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Ruiz Blais, Sebastian | | | 2201 | CRC | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Minero Pineda, Carlos | | | 2053 | CRC | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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) | | | NOTE: K factor changed | | Open CR Memorial Capablanca | San Jose | CRC | 2010-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2060 | 2.50 | 6 | 0.12 | 15 | 1.80 | |
| | Perez Perez, Osniel | f | | 2318 | CUB | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Duran Vega, Andres | | | 1985 | CRC | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Davila, Carlos | m | | 2364 | NCA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Ortiz, Marcos | | | 2124 | NCA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Esquivel, Jose Edmond | | | 1948 | CRC | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Hernandez Alvarez, Tania Regla | | wm | 2136 | CUB | 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) | | |
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