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Individual Calculations September 2009 |
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| Tachtatzis, Athanasios Total change: -34.75 | |   |
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| 18th Open Inter. Tourn. "KAVALA 2009" GROUP B | Kavala | GRE | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1868 | 2.50 | 5 | -1.39 | 25 | -34.75 | |
|  Serefidou, Despina | | | 1638 | GRE | 0.50 | 1 | -0.29 | 25 | -7.25 | |  Mitrou, Andreas | | | 1629 | GRE | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Ioannou, Napoleon | | | 1680 | GRE | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Stathopoulos, Fotios | | | 1750 | GRE | 0.00 | 1 | -0.66 | 25 | -16.50 | | | Damianidis, Konstantinos-Harala | | | 1500 | GRE | 0.00 | 1 | -0.90 | 25 | -22.50 | |
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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