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Individual Calculations April 2019 |
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| Kostopoulos, Vasilios Total change: -1.20 | |   |
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| 2019 Attica Team Championship - B Category rounds 4-7 | ESSNA | GRE | 2019-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2050 | 0.50 | 3 | -0.40 | 20 | -8.00 | |
|  Megalios, Konstantinos | | | 2416 | GRE | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Pantelidis, Ioannis | | | 2073 | GRE | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Gerogiannis, Christodoulos | f | | 2174 | GRE | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 2019 Attica Team Championship - B Category rounds 8-9 | ESSNA | GRE | 2019-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2050 | 1.00 | 2 | 0.34 | 20 | 6.80 | |
| | Kotrotsos, Vasilios | f | | 2262 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Papastavropoulos, Andreas | f | | 2103 | GRE | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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