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Individual Calculations May 2015 |
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| Vlahakis, Ioannis Total change: -30.60 | |   |
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| 2015 ESSNA team championship - A1 Local Category | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2104 | 1.00 | 2 | 0.18 | 20 | 3.60 | |
|  Tzoumbas, Anastasios | f | | 2332 | GRE | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Papahristoudis, Anastasios | | | 2024 | GRE | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 2015 ESSNA team championship - A2 Local Category | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2104 | 1.50 | 6 | -1.71 | 20 | -34.20 | |
| | Tsiamis, Konstantinos | f | | 2265 | GRE | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Kefalis, Hristos | | | 2112 | GRE | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Kostopoulos, Vasilios | | | 2038 | GRE | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Gantis, Konstantinos | | | 2020 | GRE | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Papahristoudis, Anastasios | | | 2024 | GRE | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Halas, Ioannis | | | 2025 | GRE | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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) | | |
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