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Rapid:
Individual Calculations November 2015 |
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| Brasil, Alberto Silveira Total change: -27.80 | |   |
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| XXI Copa Sigma de Xadrez RPD 2015 | Salvador BA | BRA | 2015-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 2022 | 1.00 | 3 | -1.34 | 20 | -26.80 | |
|  Simoes, Wellington Pereira | | | 1622 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bittencourt, Gildazio Dos Santos | | | 1716 | BRA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Medeiros Jr, Francisco Cesar De | | | 1982 | BRA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | * 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) | | | | Semi Final Leste do Baiano de Xadrez RPD 2015 | Salvador BA | BRA | 2015-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 2022 | 5.00 | 7 | -0.05 | 20 | -1.00 | |
| | Silva, Jose Romain T Da Costa E | | | 1727 | BRA | 0.00 | 1 | -0.85 | 20 | -17.00 | |  Santana, Silvio Brito Soares | | | 1755 | BRA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Nunes, Kleber Ferreira | | | 1878 | BRA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Straatmann, Carlos Alberto | | | 1711 | BRA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Andrade, Francisco Antonio De | | | 1818 | BRA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Lemos, Hamilton Rabat | | | 2030 | BRA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Reboucas, Deive Pacheco | | | 1964 | BRA | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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