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Individual Calculations December 2017 |
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| Gavriilidis, Nikiforos Total change: 6.80 | |   |
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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 |
| 1170 | 1029 | 0.00 | 2 | -0.64 | 40 | -25.60 | |
|  Koukoumpi, Athanasia | | | 1258 | GRE | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Angelidis, Konstantinos | | | 1081 | GRE | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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 |
| 1166 | 1029 | 1.50 | 2 | 0.81 | 40 | 32.40 | |
|  Mitsiou, Georgios | | | 1329 | GRE | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Kortesis, Georgios | | | 1002 | GRE | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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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