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Individual Calculations July 2019 |
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| Seferlis, Georgios Total change: -50.80 | |   |
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| 21st Open Evoiki ES 2019 | Chalkida | GRE | 2019-05-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1342 | 1316 | 0.50 | 3 | -0.94 | 20 | -18.80 | |
|  Kouroumbas, Kosmas | | | 1638 | GRE | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Toumpakari, Maria | | | 1080 | GRE | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Makrigiannis, Konstantinos | | | 1308 | GRE | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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) | | | | 22nd International Open Athens Challenge 2019 - Group B | Heraklio Attikis | GRE | 2019-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1366 | 1.00 | 4 | -1.60 | 20 | -32.00 | |
| | Berdos, Konstantinos | | | 1172 | GRE | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Apostolou, Nikolaos | | | 1625 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Kofkeli, Eleni | | | 1098 | GRE | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Pogkas, Angelos Lazaros | | | 1083 | GRE | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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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