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Individual Calculations April 2008 |
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| Alfaro Rojas, Alfonso Total change: -10.75 | |   |
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| IV International Tournament Arnoldo Tenorio in Memoriam 2007 | Granada | NCA | 2007-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2127 | 1.50 | 3 | -0.43 | 25 | -10.75 | |
|  Guevara, Martin | f | | 2286 | NCA | 0.00 | 1 | -0.29 | 25 | -7.25 | |  Maltes, Sadrac | | | 1788 | CRC | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Alvarez Fernandez, David | | | 1929 | CRC | 0.50 | 1 | -0.26 | 25 | -6.50 | |
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) | | |
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