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Individual Calculations April 2019 |
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| Iskos, Alexandros Total change: -7.60 | |   |
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| 2019 Team Championships ESSTH-CHALK POA Rounds 7-9 | ESSTH-CHALK | GRE | 2019-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2190 | 2.00 | 3 | 0.43 | 20 | 8.60 | |
|  Porfiriadis, Sotirios | f | | 2225 | GRE | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Dirlis, Nikolaos | | | 1887 | GRE | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Gouloutis, Nikolaos | | | 2372 | GRE | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 5th International tournament Vardaris 2019 A | Thessaloniki | GRE | 2019-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2190 | 0.50 | 2 | -1.04 | 20 | -20.80 | |
| | Vardakas, Stefanos | | | 2017 | GRE | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Salahidou, Reveka | | | 1941 | GRE | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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) | | | | 2019 Team Cup of ESSTH-CHALK Round 2 | ESSTH-CHALK | GRE | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2368 | 2190 | 0.50 | 1 | 0.23 | 20 | 4.60 | |
| | Kalogeris, Ioannis | f | | 2368 | GRE | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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) | | |
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