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Individual Calculations March 2018 |
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| Valente, Sofia Total change: 39.60 | |   |
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| Torneio Amadorissimo 2018 do Porto | Matosinhos | POR | 2018-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1197 | 1003 | 1.50 | 6 | -0.15 | 40 | -6.00 | |
|  Sarabando, Rodrigo Andias | | | 1188 | POR | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Basilio, Jose Bruno | | | 1058 | POR | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Soares, Sara Joana De Moura Pe | | | 1373 | POR | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Filipe, Gustavo Castro | | | 1155 | POR | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Areal, Maria Beatriz Moura | | | 1020 | POR | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Marrios, Ruben | | | 1385 | POR | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | CD Jovens Porto 2018 - U08 | Matosinhos | POR | 2018-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1003 | 1.50 | 2 | 0.75 | 40 | 30.00 | |
| | Duarte, Duarte Antonio V | | | 1041 | POR | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Filipe, Gustavo Castro | | | 1155 | POR | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | I Campeonato de Xadrez Amador Cidade de Matosinhos | S Mamede Infesta | POR | 2018-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1003 | 1.00 | 4 | 0.39 | 40 | 15.60 | |
| | Andrade, Ricardo Sarmento | | | 1403 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sismeiro, Miguel | | | 1403 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Borges, Rafael Peres | | | 1298 | POR | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Filipe, Gustavo Castro | | | 1155 | POR | 1.00 | 1 | 0.70 | 40 | 28.00 | | | * 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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