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Individual Calculations January 2011 |
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| Ferreira, Euclides Roberto Total change: 14.10 | |   |
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| Aberto Internacional de Xadrez Itaipu Binacional | Curitiba/PR | BRA | 2010-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2095 | 2.00 | 4 | 0.94 | 15 | 14.10 | |
|  Maia, Luciano Malta | f | | 2332 | BRA | 1.00 | 1 | 0.80 | 15 | 12.00 | |  Vigoa Apecheche, Yanira | | wm | 2282 | CUB | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Marra, Eduardo Da Costa | f | | 2273 | BRA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Chemin, Justo Reinaldo | | | 2222 | BRA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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