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Individual Calculations August 2023 |
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| Kalonomos, Ioannis Total change: -12.80 | |   |
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| 2nd U1600 summer tournament by SO Chalandriou | Athens | GRE | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1209 | 1044 | 0.00 | 1 | -0.28 | 40 | -11.20 | |
|  Sofikitis, Nikolaos | | | 1209 | GRE | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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) | | | | 2023 National youth Championship Finals - open U8 | Athens - Peristeri | GRE | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1044 | 0.00 | 1 | -0.04 | 40 | -1.60 | |
| | Nikitakis, Michail | | | 1548 | GRE | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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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