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Individual Calculations September 2021 |
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| Silva, Ronnyel Carlos Cunha Total change: 3.40 | |   |
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| Semifinal 2 do Campeonato Piauiense de Xadrez 2021 | Teresina PI | BRA | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1691 | 1.00 | 2 | 0.17 | 20 | 3.40 | |
|  Amorim, Gidelson Ferreira | | | 2091 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Barbosa, Matheus H De Alencar | | | 1498 | BRA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | |
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