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Individual Calculations July 2012 |
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| Sakada, Marcos Vinicius Contrera Total change: -10.20 | |   |
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| FENAJ 2012 - Campeonato Brasileiro (sub-16) ABS | Sao Paulo/SP | BRA | 2012-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1722 | 0.50 | 2 | 0.02 | 30 | 0.60 | |
|  Branchini, , Fernando Luis Sakamot | | | 1966 | BRA | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Awoki, Daniel Teidi | | | 1885 | BRA | 0.50 | 1 | 0.22 | 30 | 6.60 | |
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) | | | | FENAC 2012 - Campeonato Brasileiro (sub-14) Absoluto | Mendes/RJ | BRA | 2012-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1722 | 0.50 | 2 | 0.02 | 30 | 0.60 | |
| | Pereira Vilalba, Guilherme | | | 1906 | BRA | 0.50 | 1 | 0.24 | 30 | 7.20 | |  Stone, Ronnie Frank Pires | | | 1946 | BRA | 0.00 | 1 | -0.22 | 30 | -6.60 | |
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) | | | | II IRT de Xadrez Cidade de Foz do Iguaçu | Foz do Iguaçu/PR | BRA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1722 | 0.00 | 3 | -0.38 | 30 | -11.40 | |
| | Nunes Jr, Sidney | | | 2069 | BRA | 0.00 | 1 | -0.11 | 30 | -3.30 | | | Mendonca Campelo, Higor Carlos | | | 2040 | BRA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Lukachewski Junior, Wanderley | | | 2036 | BRA | 0.00 | 1 | -0.14 | 30 | -4.20 | |
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) | | |
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