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Individual Calculations January 2009 |
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| Iturbide Arnedo, Oscar Total change: 21.75 | |   |
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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 |
| 1962 | 2022 | 6.00 | 8 | 1.45 | 15 | 21.75 | |
|  Zamora Pastora, Roger | | | 1672 | ESP | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Perez Serena, Alvaro | | | 1836 | ESP | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Gormar Lietor, Andres Miguel | | | 1822 | ESP | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Rubio Mejia, Luis Ignacio | f | | 2372 | ESP | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Madurga Lopez, Ignacio | | | 1672 | ESP | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Diaz Charcan, Jose M. | | | 2097 | ESP | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Spitzer Isbert, Ramon | | | 2051 | ESP | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Prieto Martin, Alfonso | | | 2175 | ESP | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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