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Individual Calculations August 2018 |
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| Rocha, Vitor Firmo De Souza Total change: -0.80 | |   |
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| Campeonato Potiguar Interiorano 2018 | Santa Cruz | BRA | 2018-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2213 | 3.00 | 4 | -0.42 | 20 | -8.40 | |
|  Da Silva Pinto, Maria Cecilia | | | 1813 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Da Silva, Joao Batista Amaral | | | 1813 * | BRA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Bezerra, Jose | | | 1813 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bezerra, Flavio Rodrigo Costa | | | 2099 | BRA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | | | Circuito IRT STD Xadrez Potiguar 2018 Etapa A2 | Natal RN | BRA | 2018-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2187 | 5.00 | 5 | 1.10 | 20 | 22.00 | |
| | Macedo, Alexandre Soares De | | | 1957 | BRA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Jordao Barbosa, Marcio | | | 2092 | BRA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Sallaberry, Ana Paula Nogueira | | | 1787 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Medeiros, Israel Costa Smith De | | | 2028 | BRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Frankental, David | | | 1896 | BRA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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) | | | | XI Memorial Governador Miguel Arraes Nordestao 2018 etapa do Aberto do Brasil STD 2018 | Recife PE | BRA | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2187 | 2.50 | 4 | -0.72 | 20 | -14.40 | |
| | Silva Junior, Marcelo Valeriano | | | 1915 | BRA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | De Lima, Alexsandro Barros | | | 2041 | BRA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Da Silva, Anderson Vieira | | | 1805 | BRA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Soares, Max Jockesi Barbosa | | | 1967 | BRA | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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