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Individual Calculations May 2010 |
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| Poulopoulos, Ioannis Total change: 21.30 | |   |
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| 2010 Attica Preliminary Team A' Division | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1703 | 1.50 | 3 | -0.21 | 15 | -3.15 | |
|  Pessiridis, Isaak | | | 1737 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | |  Sidiropoulos, Nikolaos | | | 1581 | GRE | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Roinos, Ilias | | | 1640 | GRE | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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 |
| 1979 | 1699 | 2.50 | 5 | 1.63 | 15 | 24.45 | |
| | Ilandzis, Spyridon | | | 2099 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kalitsis, Nikolaos | | | 1971 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Papamichael, Georgios | | | 1892 | GRE | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Michailidis, Dimitrios | | | 1890 | GRE | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Ponirakis, Dimitrios | | | 2041 | 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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