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Individual Calculations June 2023 |
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| Sgouros Niarchos, Ioannis Total change: -50.00 | |   |
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| 18th by OPAX Mindgames 2023 | Athens | GRE | 2023-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1124 | 1220 | 0.50 | 3 | -1.39 | 40 | -55.60 | |
|  Tsiaras, Vasileios | | | 1086 | GRE | 0.00 | 1 | -0.68 | 40 | -27.20 | |  Vassalos, Panagiotis | | | 1079 | GRE | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Stefos, Dimitrios | | | 1207 | GRE | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | 19th Standard tournament by OPAX Mindgames Apr 2023 | Athens | GRE | 2023-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1288 | 1220 | 1.50 | 3 | 0.14 | 40 | 5.60 | |
| | Marianidis, Dimitrios | | | 1634 | GRE | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Georgiou, Andreas Na | | | 1121 | GRE | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Tsiaras, Vasileios | | | 1108 | GRE | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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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