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Individual Calculations April 2023 |
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| Grosias, Aristeidis Total change: 62.00 | |   |
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| 18th open T Siaperas 2023 | Athens | GRE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1212 | 0.50 | 3 | -0.19 | 40 | -7.60 | |
|  Delithanasis, Dimitrios | | | 1913 | GRE | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Makrylakis, Iason | | | 1645 | GRE | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Priftis, Evangelos | | | 1126 | GRE | 0.50 | 1 | -0.12 | 40 | -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) | | | | 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1212 | 2.00 | 3 | 0.60 | 40 | 24.00 | |
| | Nteligiorgis, Georgios | | | 1738 | GRE | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Toumpakaris, Grigorios Emmanouil | | | 1057 | GRE | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Gkatsos, Georgios | | | 1092 | GRE | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1212 | 1.50 | 4 | 1.14 | 40 | 45.60 | |
| | Chalkiadakis, Nikolaos | | | 1473 | GRE | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Tzounakas, Vasilios | | | 1583 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Tassis, Ioannis | | | 1735 | GRE | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Iliopoulos, Georgios | | | 1686 | GRE | 0.50 | 1 | 0.45 | 40 | 18.00 | |
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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