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Individual Calculations September 2009 |
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| Silva, Alexsandro Lira Total change: 0.60 | |   |
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| IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2013 | 2.50 | 4 | 0.04 | 15 | 0.60 | |
|  Damasceno, Alecio Souza | | | 1804 | BRA | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Leal Assuncao, Matheus | | | 1881 | BRA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Silveira Filho, Neri Da Silva | | | 2273 | BRA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Rocha, Vitor Firmo De Souza | | | 1738 | BRA | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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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