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Individual Calculations July 2008 |
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| Araujo, Jose Roberto Total change: 7.50 | |   |
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| Lourenco Jose Cordioli Chess Open Brasil 2007 | Petrolina/PE | BRA | 2007-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2194 | 1.00 | 1 | 0.50 | 15 | 7.50 | |
|  Guimaraes, Diogo Duarte | | | 2191 | BRA | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | |
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