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Individual Calculations October 2013 |
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| Silva, Ivanilson Pereira Total change: -10.50 | |   |
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| Aberto do Brasil de Natal 2013 | Natal/RN | BRA | 2013-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1855 | 1.50 | 4 | -0.35 | 30 | -10.50 | |
|  Dantas, Isaac Pereira | | | 1619 | BRA | 1.00 | 1 | 0.20 | 30 | 6.00 | |  Bezerra, Flavio Rodrigo Costa | | | 2066 | BRA | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Macedo, Maximo Valerio | f | | 2053 | BRA | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Arruda Filho, Ivo Pereira De | | | 1795 | BRA | 0.50 | 1 | -0.08 | 30 | -2.40 | |
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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