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Individual Calculations October 2008 |
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| Castillo, Rommel Total change: -25.05 | |   |
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| Campeonato Subzonal Masculino 2008 | Guatemala, Guatemala | GUA | 2008-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2131 | 2.00 | 6 | -0.49 | 15 | -7.35 | |
|  Lorenzana, Wilson Estuardo | f | | 2215 | GUA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Urbina, Ricardo | m | | 2265 | HON | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Juarez Flores, Gustavo E. | f | | 2182 | GUA | 1.00 | 1 | 0.57 | 15 | 8.55 | |  Arias, Lemmys A. | f | | 2297 | ESA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ruiz Blais, Sebastian | | | 2133 | CRC | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Cu Hor, Winston | | | 2074 | GUA | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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 |
| 2048 | 2131 | 3.50 | 8 | -1.30 | 15 | -19.50 | |
| | Alarcon, Pamela | | | 1781 | NCA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Madrigal, Mariano | | | 1893 | NCA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Picado, Jorge | | | 2184 | NCA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Velasquez, Rommel | | | 2105 | NCA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Fonseca Cabrera, Ernesto | | | 2119 | NCA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Carranza, Ivan | | | 2147 | NCA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Bendana, Guy Dr. | | | 2099 | NCA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Salinas, Patricio | | | 2056 | NCA | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | IV Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2144 | 1.00 | 4 | 0.12 | 15 | 1.80 | |
| | Vera, Reynaldo | g | | 2493 | CUB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Leyva, Hector | m | | 2380 | ESA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Perez, Osniel | | | 2268 | CUB | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Arias, Lemmys A | f | | 2342 | ESA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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