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Individual Calculations September 2013 |
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| Feitosa, Airton Jose Tajra Total change: 9.00 | |   |
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| Taça Cidade de Joao Pessoa | Joao Pessoa/PB | BRA | 2013-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1739 | 2.00 | 3 | 0.60 | 30 | 18.00 | |
|  Lucena, Helianto Dos Santos | | | 1892 | BRA | 0.50 | 1 | 0.20 | 30 | 6.00 | |  Born, Ary | | | 1457 | BRA | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Cunha, Rafael Fernandes | | | 1921 | BRA | 0.50 | 1 | 0.24 | 30 | 7.20 | |
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) | | | | Taca Cidade de Teresina 2013 | Teresina/PI | BRA | 2013-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 1739 | 0.00 | 3 | -0.30 | 30 | -9.00 | |
| | Silva Sobrinho, Agostinho J | | | 2139 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Bastos, Werton Alvarenga | | | 2059 | BRA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | De Oliveira, Hebert Silva | | | 2118 | BRA | 0.00 | 1 | -0.09 | 30 | -2.70 | | | * 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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