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Individual Calculations January 2015 |
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| Da Silva, Antonio Dutra Total change: 23.40 | |   |
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| Campeonato Paraibano de Xadrez 2014 | Joao Pessoa/PB | BRA | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1751 | 2.50 | 3 | 0.89 | 20 | 17.80 | |
|  Ferreira, Alexander | | | 1657 | BRA | 1.00 | 1 | 0.37 | 20 | 7.40 | |  De Moura Filho, Eny Nobrega | | | 1550 | BRA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Dantas, Francisco | | | 1973 | BRA | 0.50 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | IV IRT AXCV 2014 | Joao Pessoa/PB | BRA | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1737 | 2.50 | 5 | 0.28 | 20 | 5.60 | |
| | Lemos, Doriedson | | | 2075 | BRA | 0.50 | 1 | 0.38 | 20 | 7.60 | | | De Almeida, Valdemiza Gurgel | | | 1369 | BRA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Silva, Ivanilson Pereira | | | 1825 | BRA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Gomes, Genildo De Souza | | | 1622 | BRA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Rocha, Vitor Firmo De Souza | | | 2027 | BRA | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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) | | |
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