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Individual Calculations April 2009 |
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| Prassas, Georgios Total change: -11.25 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2015 | 1.50 | 3 | -0.50 | 15 | -7.50 | |
|  Xanthopoulos, Vasilios | | | 1665 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Xylogiannopoulos, Antonios | | | 1964 | GRE | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Theoharis, Alexandros | | | 1983 | GRE | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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 team ch prelim. A div. | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 2015 | 0.50 | 1 | -0.25 | 15 | -3.75 | |
| | Asimakopoulos, Ioannis | | | 1823 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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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