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Individual Calculations January 2020 |
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| Ntounias, Ioannis Total change: 71.20 | |   |
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| 2019 Attica youth U12 team championship | ESSNA | GRE | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1083 | 1122 | 2.00 | 3 | 0.34 | 40 | 13.60 | |
|  Mavrogeorgos, Ilias | | | 1048 | GRE | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Dontas, Konstantinos | | | 1092 | GRE | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Politis, Emmanouil | | | 1108 | GRE | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | 23nd open PS Peristeriou 2019 | Peristeri | GRE | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1122 | 2.50 | 6 | 1.44 | 40 | 57.60 | |
| | Lamprou, Konstantinos-Georgios | | | 1522 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vitanov, Nikolai | | | 1341 | GRE | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Lafkidis, Apostolos | | | 1398 | GRE | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Mourelatos, Spyridon | | | 1522 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tsavdaras, Dimitrios | | | 1173 | GRE | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Kostouros, Alexandros | | | 1522 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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