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Individual Calculations October 2008 |
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| David, Alarcon Total change: -27.40 | |   |
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| Campeonato Subzonal Masculino 2008 | Guatemala, Guatemala | GUA | 2008-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2075 | 2.00 | 6 | -0.25 | 25 | -6.25 | |
|  Garcia, Sergio | | | 2204 | GUA | 0.50 | 1 | 0.17 | 25 | 4.25 | |  Chavez, Ricardo Ernesto | f | | 2207 | ESA | 1.00 | 1 | 0.68 | 25 | 17.00 | | | Baules, Jorge | f | | 2303 | PAN | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Fonseca, Jose Luis | | | 2199 | NCA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Martinez, Nelson | f | | 2176 | ESA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Villatoro Perez, Rudy Daniel | | | 1924 | GUA | 0.00 | 1 | -0.70 | 25 | -17.50 | |
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) | | | NOTE: K factor changed | | Campeonato Nacional de Ajedrez Absoluto 2008 / Final | Managua | NCA | 2008-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2075 | 2.50 | 7 | -1.41 | 15 | -21.15 | |
| | Alfaro, William | | | 2158 | NCA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Alarcon, Pamela | | | 1732 | NCA | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Fonseca Cabrera, Ernesto | | | 2119 | NCA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Ortiz, Marcos | | | 2037 | NCA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Bendana, Guy Dr. | | | 2099 | NCA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Lorente, Salomon | | | 2020 | NCA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Rios, Edgard | | | 1999 | NCA | 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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