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Individual Calculations February 2023 |
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| Gkogka, Klevis Total change: -16.80 | |   |
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| Christmas open chess square 2022 | Athens | GRE | 2022-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1264 | 1.00 | 5 | -0.29 | 20 | -5.80 | |
|  Girvalakis, Spyridon | | | 1800 | GRE | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Vazelakis, Dimitrios | | | 1706 | GRE | 0.50 | 1 | 0.44 | 20 | 8.80 | |  Stralis, Georgios | | | 1522 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Paraschou, Iason | | | 1350 | GRE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Petrosian, Gkakik | | | 1158 | GRE | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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 open Nikolaos Giamarelos 2023 - A group | Chalkida | GRE | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1501 | 1277 | 1.00 | 6 | -0.55 | 20 | -11.00 | |
| | Marinelos, Theodoros | | | 1693 | GRE | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Papakyriakou, Charalampos | | | 1462 | GRE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Papandreou, Nikolaos | | | 1732 | GRE | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Tamiolakis, Grigorios | | | 1223 | GRE | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Gardelakis, Evaggelos | | | 1349 | GRE | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Vasileiou, Ioannis | | | 1544 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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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