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Individual Calculations April 2009 |
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| Halas, Ioannis Total change: -33.30 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2077 | 1.00 | 3 | -0.76 | 15 | -11.40 | |
|  Drosakis, Nikolaos | | | 2084 | GRE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Tyralis, Hristos | | | 1937 | GRE | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Tsiropoulas, Apostolos | | | 2017 | GRE | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 2009 Attica teams Ch. A' local div. - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2077 | 2.00 | 6 | -1.46 | 15 | -21.90 | |
| | Papageorgiou, Vasilios | | | 2117 | GRE | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Papahristoudis, Anastasios | | | 2060 | GRE | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Kakadelis, Str | | | 2052 | GRE | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Davanos, Thomas | | | 1956 | GRE | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Hristodoulou, Georgios | | | 1968 | GRE | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Geroukalis, Athanasios | | | 1963 | GRE | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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