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Individual Calculations January 2011 |
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| Oikonomou, Panagiotis Ch Total change: -42.25 | |   |
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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 |
| 1556 | 1541 | 0.00 | 2 | -0.97 | 25 | -24.25 | |
|  Papakonstantinou, Dimitrios | | | 1677 | GRE | 0.00 | 1 | -0.32 | 25 | -8.00 | |  Oikonomou, Nikolaos Ch | | | 1434 | GRE | 0.00 | 1 | -0.65 | 25 | -16.25 | |
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) | | | | 3rd Greek Team Championship Under 16 - 2010 | Vrahati, Korinthos | GRE | 2010-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1541 | 2.00 | 4 | -0.72 | 25 | -18.00 | |
| | Ontabasidis, Aristidis | | | 1521 | GRE | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Paterakis, Emmanouil | | | 1343 | GRE | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Kokkota, Fotini | | | 1201 | GRE | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Tsatsoulis, Periklis | | | 1505 | GRE | 0.00 | 1 | -0.55 | 25 | -13.75 | |
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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