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Individual Calculations April 2008 |
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| Ruiz Arenas, Carlos Total change: 3.45 | |   |
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| XXV Open Internacional de Cerdanyola 2007 | Cerdanyola del Valles | ESP | 2007-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1958 | 1.50 | 3 | 0.23 | 15 | 3.45 | |
|  Alfonso Nogue, Beatriz | | | 2111 | ESP | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Sanz Arenas, Oriol | | | 1837 | ESP | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Martinez Lopez, Miquel | | | 2097 | ESP | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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