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Individual Calculations June 2023 |
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| Oikonomou, Andreas Total change: 63.60 | |   |
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| ACC U1600 Mar 2023 | Athens | GRE | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1254 | 1.00 | 2 | 0.15 | 40 | 6.00 | |
|  Traiforou, Georgia | | | 1208 | GRE | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Tsampas, Charalampos | | | 1413 | GRE | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | 19th Standard tournament by OPAX Mindgames Apr 2023 | Athens | GRE | 2023-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1243 | 1254 | 3.50 | 4 | 1.44 | 40 | 57.60 | |
| | Matziaras, Athanasios | | | 1192 | GRE | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Giannopoulos, Stylianos | | | 1362 | GRE | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Drivas, Georgios I | | | 1157 | GRE | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Sifonios, Panagiotis | | | 1262 | GRE | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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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