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Individual Calculations May 2012 |
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| Iosifidis, Georgios Total change: -17.10 | |   |
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| Attica Team Championship of B' Local Category 2012 - Group A | Attica | GRE | 2012-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1809 | 1.00 | 3 | -0.50 | 30 | -15.00 | |
|  Mylonas, Stavros | | | 1789 | GRE | 1.00 | 1 | 0.47 | 30 | 14.10 | | | Panagopoulos, Georgios | | | 1708 | GRE | 0.00 | 1 | -0.64 | 30 | -19.20 | | | Tsilov, Georgios | | | 1936 | GRE | 0.00 | 1 | -0.33 | 30 | -9.90 | |
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) | | | | WORLD AMATEUR CHESS CHAMPIONSHIP 2012 | Porto Carras - Halkidiki | GRE | 2012-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1809 | 1.50 | 5 | -0.07 | 30 | -2.10 | |
| | Giordos, Vasilios | | | 1959 | GRE | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Dimitrijevic, Dragan | | | 1929 | ITA | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Ruffenach, Alain | | | 1971 | FRA | 1.00 | 1 | 0.71 | 30 | 21.30 | |  Navarro Coloma, Antonio | | | 1946 | ESP | 0.50 | 1 | 0.18 | 30 | 5.40 | | | Gibbs, Dominic V | | | 1941 | ENG | 0.00 | 1 | -0.32 | 30 | -9.60 | |
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) | | |
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