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Individual Calculations June 2019 |
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| Lafkidis, Apostolos Total change: 24.80 | |   |
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| 30th open SO Peristeriou 2019 | Peristeri | GRE | 2019-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1240 | 2.00 | 5 | 0.11 | 40 | 4.40 | |
|  Konstantinidis, Dimitrios Gk | | | 1487 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Oikonomidis, Spyridon | | | 1249 | GRE | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Titopoulos, Ilias | | | 1384 | GRE | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Gkogka, Klevis | | | 1142 | GRE | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Elenas, Manolis | | | 1417 | GRE | 0.50 | 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) | | | | 2019 Attica youth championships - open 10 | Peristeri | GRE | 2019-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1153 | 1254 | 3.00 | 4 | 0.51 | 40 | 20.40 | |
| | Kassios, Dimitrios | | | 1244 | GRE | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Charchalakis, Ilias | | | 1037 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ntounias, Ioannis | | | 1009 | GRE | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Georgiadis, Anastasios | | | 1323 | GRE | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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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