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Individual Calculations April 2018 |
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| Tzerbinos, Konstantinos Total change: -17.80 | |   |
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| 2nd open Evoiki ES Nikos Giamarellos 2018 | Chalkida | GRE | 2018-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1429 | 0.00 | 2 | -0.89 | 20 | -17.80 | |
|  Kouroumbas, Kosmas | | | 1638 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Bakaloulis, Dimitrios | | | 1309 | GRE | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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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