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Individual Calculations July 2010 |
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| Duran Vega, Andres Total change: 7.65 | |   |
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| II Copa Consultecnica | San Jose | CRC | 2010-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1985 | 3.00 | 5 | 0.33 | 15 | 4.95 | |
|  Gamboa Alvarado, Leticia | | | 1710 | CRC | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Bonilla Sequeira, Pablo | | | 1775 | CRC | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Duran Vega, Sergio | | | 2084 | CRC | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Solis, Efren | | | 2108 | CRC | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Rodriguez, Adolfo | | | 2074 | CRC | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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) | | | | Campeonato Nacional Por Equipos Liga Premier | Costa Rica | CRC | 2010-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 1985 | 0.00 | 2 | -0.67 | 15 | -10.05 | |
| | Ortiz, Marcos | | | 2124 | NCA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Minero Pineda, Boris | | | 2090 | CRC | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | Open CR Memorial Capablanca | San Jose | CRC | 2010-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1985 | 3.50 | 7 | 0.85 | 15 | 12.75 | |
| | Murillo Ortiz, Gustavo | | | 1954 | CRC | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Davila, Carlos | m | | 2364 | NCA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Castillo Trujillo, Ivan | | | 2060 | CRC | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Zamora Mejias, Alonso | | | 2022 | CRC | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Trejos, Enrique | | | 2148 | CRC | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Angulo Cubero, Oscar | | | 1991 | CRC | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Bermudez Munoz, Alexander | | | 2058 | 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) | | |
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