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Individual Calculations August 2013 |
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| Barbosa, Antonio Atenilson De M. Total change: -31.50 | |   |
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| Aberto do Brasil Xadrez Potiguar 2013 | Natal/RN | BRA | 2013-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1939 | 1.50 | 4 | -1.05 | 30 | -31.50 | |
|  Bouwman, Marcelo Wanderley | | | 2180 | BRA | 0.00 | 1 | -0.20 | 30 | -6.00 | |  Dantas, Rhuan De Araujo | | | 1611 | BRA | 0.00 | 1 | -0.87 | 30 | -26.10 | | | Francelli, Derli | | | 1666 | BRA | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Gomes Da Silva, Tales | | | 1827 | BRA | 0.50 | 1 | -0.15 | 30 | -4.50 | |
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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