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Individual Calculations February 2019 |
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| Boulamatsis, Konstantinos I Total change: 92.40 | |   |
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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 |
| 1145 | 1044 | 0.50 | 1 | 0.14 | 40 | 5.60 | |
|  Lafkidis, Apostolos | | | 1145 | GRE | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | 4th New Year's open PS Peristeriou Antonis Bellos | Peristeri | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1044 | 4.00 | 7 | 2.32 | 40 | 92.80 | |
|  Mataragkas, Georgios | | | 1444 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Aretoulakis, Sotirios Paris | | | 1100 | GRE | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Vitanov, Nikolai | | | 1404 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Magiati, Elisavet | | | 1060 | GRE | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Souretis, Athanasios | | | 1219 | GRE | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Titinis, Konstantinos | | | 1314 | GRE | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Barous, Theodoros | | | 1329 | GRE | 1.00 | 1 | 0.84 | 40 | 33.60 | | | * 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) | | | | 2019 Attica Friendship Cup Nikos Strofalis Group A Rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1044 | 0.00 | 1 | -0.15 | 40 | -6.00 | |
| | Sarakatsianos, Athanasios | | | 1341 | GRE | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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