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Individual Calculations July 2009 |
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| Ferreira, Vitorino Total change: -1.50 | |   |
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| Distrital do Porto 2009 - Preliminar I | Matosinhos | POR | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1555 | 0.50 | 2 | -0.10 | 15 | -1.50 | |
|  Silva, Lucas | | | 1905 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Saraiva, Hugo | | | 1560 | POR | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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