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Individual Calculations May 2011 |
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| Kozak, Dalton Demetrio Total change: 2.50 | |   |
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| III Copa de Xadrez Cidade de Curitiba (IRT) | Curitiba/PR | BRA | 2011-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 1898 | 0.50 | 2 | 0.10 | 25 | 2.50 | |
|  Palozi, Paulo Ricardo | | | 2277 | BRA | 0.50 | 1 | 0.41 | 25 | 10.25 | |  Sperb, Eduardo Quintana | | | 2039 | BRA | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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