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Individual Calculations September 2009 |
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| Lima Junior, Jose Arlindo Costa Total change: -10.05 | |   |
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| IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 1914 | 0.00 | 2 | -0.67 | 15 | -10.05 | |
|  Silveira Filho, Neri Da Silva | | | 2273 | BRA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Bonifacio, Lucas Isaac Galdino | | | 1866 | BRA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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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