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Individual Calculations February 2023 |
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| Ntovas, Dimitrios Total change: 6.40 | |   |
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| Christmas open chess square 2022 | Athens | GRE | 2022-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1205 | 1.00 | 4 | 0.08 | 20 | 1.60 | |
|  Tsiapouris, Alexander | | | 1690 | GER | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Vuka, Alboreno | | | 1416 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Hronopoulos, Dimitrios | | | 1229 | GRE | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Kolyvas, Aris | | | 1469 | 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) | | | | 1st New Year open Chalandri CC 2023 B | Chalandri | GRE | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1140 | 1205 | 2.00 | 3 | 0.24 | 20 | 4.80 | |
| | Christodoulou, Katerina | | | 1035 | GRE | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Polikretis, Mattheos | | | 1190 | GRE | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Chalaris, Iason | | | 1194 | GRE | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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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