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Individual Calculations June 2018 |
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| Souza, Rafael Cabral De Total change: -35.80 | |   |
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| World Amateur Championship 2018 under 2300 | Cagliari | ITA | 2018-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2178 | 4.50 | 9 | -1.51 | 20 | -30.20 | |
|  Amer, Said Salim Al Maashani | f | | 2016 | OMA | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Ehab, Mohamed | | | 2002 | EGY | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Bigabylov, Zhuban | | | 2095 | KAZ | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Altea, Alessandro | | | 2068 | ITA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Adamova, Tuyara | | | 2026 | RUS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Mameli, Gianluca | | | 2015 | ITA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Neri, Enzo | | | 2086 | ITA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Mitrandzas, Athanasios | | | 2177 | GRE | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Herrmann, Roman | | | 1975 | ARG | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | V IRT STD Recife | Recife PE | BRA | 2018-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 2178 | 3.00 | 4 | -0.28 | 20 | -5.60 | |
| | De Melo Braga, Pamella Vittoria | | | 1778 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Barbosa, Eugenio Seve De Melo | | | 1986 | BRA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Da Silva Araujo, Gabriel Victor | | | 1957 | BRA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | De Santana, Jose Ricardo Goncalv | | | 1902 | BRA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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