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Individual Calculations October 2008 |
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| Murillo, Jaime Total change: 6.50 | |   |
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| Campeonato Nacional de Costa Rica 2008 Fase 1 | Moravia | CRC | 2008-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1851 | 0.00 | 2 | -0.68 | 25 | -17.00 | |
|  Brenes, Juan Carlos | | | 1968 | CRC | 0.00 | 1 | -0.34 | 25 | -8.50 | |  Aguilar, Luis | | | 1966 | CRC | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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) | | | | IV Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 1854 | 1.50 | 4 | 0.94 | 25 | 23.50 | |
| | Arias, Lemmys A | f | | 2204 | ESA | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Machado R, Allan | | | 2068 | CRC | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Almeida Criollo, Jefferson | | | 2204 | ECU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Murillo, Alexis | m | | 2204 | CRC | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | |
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