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Individual Calculations April 2009 |
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| Petrakis, Ilias Total change: 22.50 | |   |
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| Bikou Cup 1st Division | Attica - Local Clubs | GRE | 2008-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2184 | 0.00 | 1 | -0.50 | 15 | -7.50 | |
|  Stergiou, Evangelos | | | 2182 | GRE | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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. B div. stage 1 - Group 1 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2187 | 4.00 | 4 | 2.00 | 15 | 30.00 | |
|  Arvanitis, Konstantinos | | | 2090 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Himaras, Stefanos | | | 2262 | GRE | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Kefalis, Hristos | | | 2120 | GRE | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Pandavos, Panayotis | m | | 2271 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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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