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Individual Calculations April 2009 |
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| Tsomis, Dimitrios Total change: -1.50 | |   |
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| 2009 Attica team ch prelim. A div. | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2207 | 1.50 | 4 | -0.10 | 15 | -1.50 | |
|  Simeonidis, Ioannis | | | 2303 | GRE | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Nikolov, Momchil | m | | 2478 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Shahtahtinsky, Alekper | f | | 2296 | GRE | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Haralabidis, Tengkiz | | | 2070 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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