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Individual Calculations April 2013 |
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| Silva, Vitor De Souza Martins Total change: -15.00 | |   |
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| IRT de Abertura 2013 | BrasÃlia/DF | BRA | 2013-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1997 | 1.50 | 3 | 0.03 | 30 | 0.90 | |
|  Cunha, Lucas Aguiar | | | 2202 | BRA | 0.00 | 1 | -0.24 | 30 | -7.20 | |  Matsuura, Queenti | | | 1643 | BRA | 1.00 | 1 | 0.11 | 30 | 3.30 | | | Nascimento, Davi Da Silva | | | 2114 | BRA | 0.50 | 1 | 0.16 | 30 | 4.80 | |
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) | | | NOTE: K factor changed | | Campeonato Aberto de Xadrez do Estado de Goias | Goiania/GO | BRA | 2013-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1997 | 2.00 | 5 | -1.06 | 15 | -15.90 | |
| | Bocca, Edson Ricardo | | | 1597 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | De Paula, Rafael Figueiredo | | | 2167 | BRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Okada, William Kenji | | | 1824 | BRA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Bernardes, Rafael Esteves | | | 1990 | BRA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Garcia, Gabriel Gonzaga | | | 1913 | BRA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | * 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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