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Individual Calculations July 2009 |
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| Souza, Marcos Valerio A. Total change: -0.75 | |   |
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| IRT Natal Open | Natal/RN | BRA | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2170 | 2.00 | 3 | -0.03 | 25 | -0.75 | |
|  Rocha Filho, Orlando Donato | | | 1820 | BRA | 1.00 | 1 | 0.11 | 25 | 2.75 | |  Lucena, Helianto Dos Santos | | | 1949 | BRA | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Barreto Filho, Carlos Alberto | f | | 2273 | BRA | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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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