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Individual Calculations October 2008 |
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| Tapia, Gustavo Total change: -15.25 | |   |
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| IV Torneo Internacional de Ajedrez Alajuela 2008 | Alajuela | CRC | 2008-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2123 | 2.00 | 5 | -0.61 | 25 | -15.25 | |
|  Valdes, Leonardo | m | | 2408 | CRC | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Lopez, Carlos Manuel | | | 1882 | ESA | 0.00 | 1 | -0.80 | 25 | -20.00 | | | Ulloa, Oscar | | | 1872 | CRC | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Montenegro, Esteban | | | 2061 | CRC | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Murillo, Alexis | m | | 2319 | 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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