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Individual Calculations October 2008 |
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| Arroyo, Luis Total change: -9.50 | |   |
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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 |
| 2282 | 2018 | 0.00 | 2 | -0.38 | 25 | -9.50 | |
|  Ramirez, Alejandro | g | | 2368 | CRC | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Ruiz, Sebastian | | | 2195 | CRC | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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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