Individual Calculations January 2020 |
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Da Silva, Valdecir Batista Total change: -9.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Campeonato Marabaense de Xadrez STD 2019 | Maraba PA | BRA | 2019-12-07 |
Rc | Ro | w | n | change | K | K*chg | Game |
1896 | 1885 | 0.50 | 2 | -0.47 | 20 | -9.40 | |
| De Sousa, Werlles Milhomem | | | 1942 | BRA | 0.00 | 1 | -0.42 | 20 | -8.40 | | De Melo, Wladimir Ferreira | | | 1850 | BRA | 0.50 | 1 | -0.05 | 20 | -1.00 | | 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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