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Individual Calculations February 2013 |
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| Margaritis, Andreas Total change: -71.10 | |   |
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| 2012 ESSNA Team championship under 12 - "Dimitris Siametis" | Attica | GRE | 2012-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1436 | 0.00 | 1 | -0.70 | 30 | -21.00 | |
|  Kouta, Vasiliki | | | 1287 | GRE | 0.00 | 1 | -0.70 | 30 | -21.00 | |
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) | | | | 2013 Individual Championship of ESSNA U14 Open | Athens | GRE | 2012-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1329 | 1436 | 1.50 | 5 | -1.67 | 30 | -50.10 | |
| | Pessiridis, Isaak | | | 1619 | GRE | 0.00 | 1 | -0.26 | 30 | -7.80 | |  Sideris, Spiridon | | | 1186 | GRE | 0.00 | 1 | -0.81 | 30 | -24.30 | | | Georgiou, Konstantinos | | | 1306 | GRE | 1.00 | 1 | 0.32 | 30 | 9.60 | | | Kapellas, Nikiforos | | | 1373 | GRE | 0.00 | 1 | -0.59 | 30 | -17.70 | | | Vasilakopoulos, Georgios | | | 1160 | GRE | 0.50 | 1 | -0.33 | 30 | -9.90 | |
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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