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Individual Calculations January 2009 |
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| Hengles, Roberto Carlos Total change: -4.05 | |   |
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| Regional Centro Oeste 2008 | Brasilia/DF | BRA | 2008-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 1974 | 0.00 | 2 | -0.51 | 15 | -7.65 | |
|  Rodi, Luis Ernesto | f | | 2324 | ARG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | De Paula, Guilherme Bueno | | | 2050 | BRA | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | 3ยช Etapa Circuito IRT LXSBC 2008 | Sao Bernardo do Campo/SP | BRA | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1974 | 1.00 | 4 | -0.50 | 15 | -7.50 | |
| | Madeira, Wagner Martins | | | 2265 | BRA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Saito, Vinicius Ikezu | | | 2070 | BRA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Chauca Murga, Jose Luis | | | 2184 | PER | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Boas, Crisolon Terto Vilas | | | 1778 | BRA | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 13th Olympiad for Blind and visualy impaired chess players | Crete | GRE | 2008-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1974 | 1.50 | 2 | 0.74 | 15 | 11.10 | |
| | Pohlers, Juergen | | | 2112 | GER | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Nemes, Gyorgy | | | 2009 | HUN | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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