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Individual Calculations January 2011 |
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| Oikonomou, Nikolaos Ch Total change: 21.50 | |   |
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| TESSAS Preliminaries Greek Youth Boys under 18 - 2010 | Amfissa | GRE | 2010-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1434 | 2.00 | 4 | 0.86 | 25 | 21.50 | |
|  Stergiou, Mihail-Vasilios | | | 1597 | GRE | 1.00 | 1 | 0.72 | 25 | 18.00 | |  Oikonomou, Panagiotis Ch | | | 1541 | GRE | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Magklaras, Themistoklis-Panayio | | | 1646 | GRE | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Nikolaou, Spiridon | | | 1601 | GRE | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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