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Individual Calculations December 2018 |
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| Melo, Sergio Roberto Sampaio Total change: -12.60 | |   |
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| IRT STD Sub2200 CXC & FEXPAR | Curitiba PR | BRA | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1749 | 2.50 | 5 | -0.86 | 20 | -17.20 | |
|  De Arruda Filho, Nivaldo Jesus | | | 2016 | BRA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  De Oliveira, Wythor Rogerio | | | 1349 * | BRA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Salvadego, Erika Giovana De O. | | | 1527 | BRA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Silva, Richard Santana | | | 1394 | BRA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Nobre, Jailson Altair Barbosa | | | 1682 | BRA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | * 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) | | | | IV Aberto ECP STD | Sao Paulo SP | BRA | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1749 | 4.00 | 5 | 0.21 | 20 | 4.20 | |
| | Haraguchi, Diego Sashaki | | | 1371 | BRA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Atanes Neto, Severiano | | | 1564 | BRA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Da Rosa, Henrique Jaze Simoes | | | 1634 | BRA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Nunes, Guilherme Sacardo Telles | | | 1594 | BRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Laperuta, Renan Portes | | | 1537 | BRA | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | Campeonato Paranaense Absoluto de Xadrez 2018 | Curitiba PR | BRA | 2018-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1749 | 2.00 | 4 | 0.02 | 20 | 0.40 | |
| | Martins, Carlos | f | | 2149 * | BRA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Jaruga, Rodolfo Brandao De Proenc | | | 1619 | BRA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Kruger, Israel | | | 1877 | BRA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Silva, Richard Santana | | | 1394 | BRA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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