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Individual Calculations February 2019 |
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| Spalas, Iason Total change: -47.80 | |   |
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| 2018 youth u16 team championship of Attica | ESSNA | GRE | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1214 | 1208 | 0.00 | 3 | -1.48 | 40 | -59.20 | |
|  Kosmetatos, Vasileios | | | 1236 | GRE | 0.00 | 1 | -0.46 | 40 | -18.40 | |  Karagiorgos, Nikolaos | | | 1353 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Paraskevopoulou, Zoi | | | 1054 | GRE | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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) | | | NOTE: K factor changed | | 2019 Attica Team Championship - B Category rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1215 | 1184 | 1.50 | 2 | 0.57 | 20 | 11.40 | |
| | Chatzidakis, Iason Theodoros | | | 1048 | GRE | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Giannakouras, Ioannis | | | 1381 | GRE | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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