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Individual Calculations October 2015 |
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| Santos, Samuel Silva Total change: -2.40 | |   |
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| I IRT Marista de Xadrez 2015 U-2200 | Bra | BRA | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1496 | 1.00 | 2 | -0.01 | 40 | -0.40 | |
|  Fontes, Matheus Consolmagno | | | 1486 | BRA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Samper, Felipe Correa | | | 1497 | BRA | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | Aberto do Brasil FBX 50 anos | Brasilia DF | BRA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1496 | 0.50 | 4 | -0.05 | 40 | -2.00 | |
|  Ribeiro Jr, Valdir Uchoa | | | 1896 * | BRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rodrigues, Joao Batista | | | 1716 | BRA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Ferreira, Jose Carlos | c | | 1896 * | BRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Moraes Silva, Carlos Alessandr | | | 1765 | BRA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | * 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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