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Individual Calculations February 2019 |
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| Vassis, Anastasios Total change: 18.80 | |   |
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| 2018 youth u12 team championship of Attica | ESSNA | GRE | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1324 | 3.00 | 4 | 0.22 | 40 | 8.80 | |
|  Aretoulakis, Sotirios Paris | | | 1100 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Kakiopoulos, Apostolos I | | | 1100 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Kalafatis, Evangelos | | | 1244 | GRE | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Paroglou, Marianna | | | 1246 | GRE | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | 2nd Christmas open S Bikos - D Maragkoudakis Memorial 2018 | Athens | GRE | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1324 | 2.00 | 5 | 0.25 | 40 | 10.00 | |
| | Grigoriadis, Alexandros | m | | 1724 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Levantis, Antonios | | | 1123 | GRE | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Girvalakis, Spyridon | | | 1724 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zachartzis, Vasilios | | | 1128 | GRE | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Diamantopoulos, Leonidas Nik | | | 1724 * | 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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