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Individual Calculations December 2017 |
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| Nikolaou, Theodoros Total change: 25.60 | |   |
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| 12th team youth championship under 12 ESSTH-CHALK 2017 | ESSTH-CHALK | GRE | 2017-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1041 | 1148 | 1.50 | 2 | 0.21 | 40 | 8.40 | |
|  Karapetian, Christos | | | 1075 | GRE | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Vafeiadakis, Konstantinos | | | 1007 | GRE | 0.50 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 10th team youth championship under 16 ESSTH-CHALK 2017 | ESSTH-CHALK | GRE | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1269 | 1179 | 2.00 | 4 | 0.43 | 40 | 17.20 | |
| | Karaiskakis, Georgios | | | 1009 | GRE | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Kokkalis, Grigorios | | | 1507 | GRE | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Mitsiou, Konstantinos | | | 1267 | GRE | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Tzontas, Athanasios | | | 1294 | GRE | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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