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Individual Calculations September 2009 |
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| Moreira, Altair Carlos Faria Total change: 21.10 | |   |
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| IRT Virada Esportiva Santista de Xadrez | Santos/SP | BRA | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1792 | 0.00 | 2 | -0.29 | 25 | -7.25 | |
|  Aranha Filho, Alvaro Z | f | | 2142 | BRA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Brandao, Evandro Alves | | | 2051 | BRA | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | | NOTE: K factor changed | | 3ยบ IRT Open Campinas LCX | Campinas/SP | BRA | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1792 | 3.00 | 5 | 1.89 | 15 | 28.35 | |
|  Freitas, Romeu Salvador | | | 2192 * | BRA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Borges, Fernando | | | 1926 | BRA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Martinez, Janine | | | 1952 | BRA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | De Moraes, Francisco Jose Baena | | | 1985 | BRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Fernandez, Hector | | | 2061 | BRA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | * 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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