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Individual Calculations July 2019 |
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| Petlis, Evangelos Total change: -8.80 | |   |
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| 8th open Nikos Novidis 2019 - B group | Thessaloniki | GRE | 2019-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1184 | 1223 | 2.00 | 4 | -0.22 | 40 | -8.80 | |
|  Betsakou, Sofia | | | 1109 | GRE | 0.00 | 1 | -0.66 | 40 | -26.40 | |  Ahparidis, Dimitrios | | | 1122 | GRE | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Malchasian, Alexandros | | | 1184 | GRE | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Haralabidis, Aristidis | | | 1320 | GRE | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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