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Individual Calculations September 2011 |
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| Da Silva, Antonio Dutra Total change: -16.80 | |   |
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| III Campeonato Paraibano Aberto Absoluto 2011 | Joao Pessoa/PB | BRA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1791 | 0.50 | 3 | -0.32 | 30 | -9.60 | |
|  Lemos, Doriedson | | | 2039 | BRA | 0.00 | 1 | -0.19 | 30 | -5.70 | |  Torres, Douglas Da Silva | | | 2102 | BRA | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Passos Coutinho, Eduardo | | | 1796 | BRA | 0.50 | 1 | 0.01 | 30 | 0.30 | |
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) | | | | Aberto do Brasil Xadrez Potiguar | Natal/RN | BRA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1791 | 0.00 | 2 | -0.24 | 30 | -7.20 | |
| | Barreto Filho, Carlos Alberto | f | | 2191 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Macedo, Maximo Valerio | f | | 2072 | BRA | 0.00 | 1 | -0.16 | 30 | -4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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