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Individual Calculations September 2009 |
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| Damasceno, Alecio Souza Total change: 3.75 | |   |
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| IV Aberto Xadrez Potiguar | Natal/RN | BRA | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1804 | 1.00 | 4 | 0.25 | 15 | 3.75 | |
|  Barreto Filho, Carlos Alberto | f | | 2204 * | BRA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Silva, Alexsandro Lira | | | 2013 | BRA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Macedo, Alexandre Soares De | | | 2000 | BRA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Da Costa, Jose Artanael Campos | | | 2051 | BRA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | * 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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