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Individual Calculations February 2023 |
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| Gkogka, Elvis Total change: 4.60 | |   |
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| Christmas open chess square 2022 | Athens | GRE | 2022-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1264 | 2.00 | 5 | 1.05 | 20 | 21.00 | |
|  Sideris, Theodoros | | | 1786 | GRE | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Kolyvas, Aris | | | 1469 | GRE | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Tsivourakis, Panteleimon | | | 1474 | GRE | 1.00 | 1 | 0.77 | 20 | 15.40 | |  Marianidis, Dimitrios | | | 1568 | GRE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Tsamtsouris, Efthymios | | | 1407 | GRE | 1.00 | 1 | 0.69 | 20 | 13.80 | |
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 |
| 1361 | 1324 | 2.50 | 7 | -0.82 | 20 | -16.40 | |
| | Sideris, Theodoros | | | 1796 | GRE | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Siskou, Evangelia | | | 1505 | GRE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Tamiolakis, Grigorios | | | 1223 | GRE | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Papakyriakou, Charalampos | | | 1462 | GRE | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Pissadaki, Despoina | | | 1120 | GRE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Anemogianni, Savvina | | | 1187 | GRE | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Iakovidis, Othonas | | | 1235 | GRE | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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