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Individual Calculations October 2008 |
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| Barrios Zamora, Carlos Total change: -15.00 | |   |
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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 |
| 2077 | 2061 | 3.00 | 7 | -0.35 | 25 | -8.75 | |
|  Needham, Bryan | | | 2047 | CRC | 0.00 | 1 | -0.52 | 25 | -13.00 | |  Machado Ramirez, Allan | | | 2068 | CRC | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Peraza, Rafael | | | 2023 | CRC | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Alfaro, Carlos | | | 2114 | CRC | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Vives, David | | | 2070 | CRC | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Campos, Roberto | | | 2040 | CRC | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Bermudez, Sergio | f | | 2180 | 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 |
| 2254 | 2061 | 0.00 | 1 | -0.25 | 25 | -6.25 | |
| | Hernandez, Francisco | m | | 2254 | CRC | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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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