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Individual Calculations March 2019 |
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| Zonidis, Petros Total change: 15.60 | |   |
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| 2019 Team Cup of ESSTH-CHALK Round 1 | ESSTH-CHALK | GRE | 2019-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 1646 | 0.50 | 1 | 0.42 | 20 | 8.40 | |
|  Vlassis, Georgios | | | 2045 | GRE | 0.50 | 1 | 0.42 | 20 | 8.40 | |
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) | | | | 2019 Team Championships ESSTH-CHALK Local Category Rounds 4-6 | ESSTH-CHALK | GRE | 2019-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1646 | 1.00 | 2 | 0.36 | 20 | 7.20 | |
|  Halkias, Nikolaos | | | 1749 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Hidzos, Georgios | | | 1816 | GRE | 1.00 | 1 | 0.72 | 20 | 14.40 | |
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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