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Individual Calculations October 2008 |
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| Fonseca Cabrera, Ernesto Total change: 2.85 | |   |
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| Campeonato Subzonal Masculino 2008 | Guatemala, Guatemala | GUA | 2008-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2119 | 3.00 | 6 | 0.57 | 15 | 8.55 | |
|  Valdes, Leonardo | m | | 2409 | CRC | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Villatoro Perez, Rudy Daniel | | | 1924 | GUA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Garcia, Sergio | | | 2204 | GUA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Ramos, Efren Andres | | | 2170 | NCA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Guillen Ramirez, Jose Antonio | f | | 2240 | HON | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Lorenzana, Wilson Estuardo | f | | 2215 | GUA | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | Campeonato Nacional de Ajedrez Absoluto 2008 / Final | Managua | NCA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2119 | 4.00 | 8 | 0.19 | 15 | 2.85 | |
| | Picado, Jorge | | | 2184 | NCA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Bravo, William | f | | 2144 | NCA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | David, Alarcon | | | 2075 | NCA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Castillo, Rommel | | | 2131 | NCA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Guevara, Martin | f | | 2257 | NCA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Allen, Alonso | | | 1966 | NCA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Alfaro, William | | | 2158 | NCA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Ramos, Efren Andres | | | 2170 | NCA | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Central American and Caribbean Junior Championship | Maturin | VEN | 2008-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2106 | 0.50 | 3 | -0.57 | 15 | -8.55 | |
| | Del Castilho, Martyn | | | 2195 | BAR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Pulvett, Daniel | | | 2105 | VEN | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Aguero, Luis Lazaro | f | | 2362 | CUB | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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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