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Individual Calculations February 2019 |
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| Koptsis, Nikolaos Total change: 80.00 | |   |
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| 41st International Tournament White Tower 2019 C group | Thessaloniki | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1263 | 1011 | 3.00 | 3 | 2.42 | 40 | 96.80 | |
|  Chalatziouka, Eleni | | | 1335 | GRE | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Sioutopoulos, Christos | | | 1235 | GRE | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Petridis, Dimitrios Panagiotis | | | 1220 | GRE | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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) | | | | 2019 Team Championships ESSTH-CHALK Local Category Rounds 1-3 | ESSTH-CHALK | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1067 | 1011 | 0.00 | 1 | -0.42 | 40 | -16.80 | |
| | Theodoridis, Georgios St | | | 1067 | GRE | 0.00 | 1 | -0.42 | 40 | -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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