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Individual Calculations April 2023 |
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| Koulis, Christos G Total change: 26.00 | |   |
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| 18th open T Siaperas 2023 | Athens | GRE | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1211 | 2.00 | 5 | 0.01 | 20 | 0.20 | |
|  Nemtsas, Hristoforos | | | 1870 | GRE | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Osmani, Sokol | | | 1233 | GRE | 0.00 | 1 | -0.47 | 20 | -9.40 | |  Drivas, Georgios I | | | 1156 | GRE | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Bakos, Konstantinos | | | 1196 | GRE | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Gkogka, Klevis | | | 1277 | GRE | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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 |
| 1777 | 1211 | 2.00 | 7 | 1.29 | 20 | 25.80 | |
| | Seferis, Georgios | | | 1738 | GRE | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Ladas, Andreas 48722 | | | 1661 | GRE | 1.00 | 1 | 0.94 | 20 | 18.80 | | | Kourmoulakis, Konstantinos | | | 1764 | GRE | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Skaros, Periklis | | | 1151 | GRE | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Drakoulakos, Grigorios | f | | 2261 | GRE | 0.00 | 1 | 0.00 | 20 | 0.00 | | | Ignatiadis, Theodoros | | | 2009 | GRE | 1.00 | 1 | 1.00 | 20 | 20.00 | | | Zamit, Kyriakos | | | 1857 | GRE | 0.00 | 1 | -0.01 | 20 | -0.20 | |
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) | | |
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