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Individual Calculations January 2009 |
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| Perez Serena, Alvaro Total change: -46.50 | |   |
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| XXI Open Internacional de Ajedrez Moratalaz 2008 | Madrid | ESP | 2008-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1836 | 1.00 | 5 | -1.86 | 25 | -46.50 | |
|  Adan Bermudez, Sergio | | | 2186 | ESP | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Iturbide Arnedo, Oscar | | | 2022 | ESP | 0.00 | 1 | -0.26 | 25 | -6.50 | |  Fernandez Gil, Ruben Carlos | | | 1559 | ESP | 0.50 | 1 | -0.33 | 25 | -8.25 | | | Negredo Bahamonde, Miguel A. | | | 1573 | ESP | 0.00 | 1 | -0.82 | 25 | -20.50 | | | Plaza Vazquez, Javier | | | 1556 | ESP | 0.50 | 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) | | |
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