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Individual Calculations May 2010 |
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| Ponirakis, Dimitrios Total change: -12.90 | |   |
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| Attica Team Championship of B' Local Category 2010 | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 2041 | 1.50 | 3 | -0.36 | 15 | -5.40 | |
|  Mbirlis, Hristos | | | 2010 | GRE | 0.00 | 1 | -0.54 | 15 | -8.10 | |  Ter-Gevorkian, Aram | | | 1974 | GRE | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Lazaridis-Elmaloglou, Lazaros | | | 1867 | GRE | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | 103th Ambelokipi Open Poteas Memorial | Ambelokipi - Athens | GRE | 2010-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2041 | 3.50 | 6 | -0.50 | 15 | -7.50 | |
| | Kopalidis, Miltiadis | | | 1641 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Efthimiou, Georgios | | | 1838 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Klokas, Konstantinos | | | 2186 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Sienczewski, Zbigniew | | | 2152 | POL | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Matsakis, Michael | | | 1818 | FRA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Poulopoulos, Ioannis | | | 1699 | GRE | 0.50 | 1 | -0.38 | 15 | -5.70 | | | * 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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