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Individual Calculations May 2011 |
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| Serafim Junior, Arnor Total change: -21.00 | |   |
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| Campeonato Brasileiro Amador 2011 | São Paulo/SP | BRA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1886 | 0.50 | 1 | -0.26 | 25 | -6.50 | |
|  Ramillo, , Vitoria Matheus | | | 1683 | BRA | 0.50 | 1 | -0.26 | 25 | -6.50 | |
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) | | | | Aberto do Brasil CXSP - Bienal Joao Braga | Sao Paulo/SP | BRA | 2011-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1886 | 0.00 | 3 | -0.58 | 25 | -14.50 | |
| | Perdomo, Leandro | m | | 2286 * | ARG | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Cajal, Andre | | | 2078 | BRA | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Mourao, Igor A C Lofredo | | | 2081 | BRA | 0.00 | 1 | -0.25 | 25 | -6.25 | | | * 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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