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Individual Calculations January 2020 |
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| Berdos, Konstantinos Total change: -35.60 | |   |
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| 2019 Attica youth U12 team championship | ESSNA | GRE | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1129 | 1154 | 0.00 | 1 | -0.53 | 40 | -21.20 | |
|  Porichis, Antonios | | | 1129 | GRE | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | | Celebration open Nov 2019 Chess Square | Athens | GRE | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1154 | 0.00 | 2 | -0.36 | 40 | -14.40 | |
|  Giannoulis, Grigorios | | | 1473 | GRE | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Boulamatsis, Konstantinos I | | | 1365 | GRE | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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) | | |
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