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Individual Calculations July 2009 |
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| Kipraki, Nikoleta Total change: 13.25 | |   |
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| Greek Indiv. Champ. Girls U12-14-16 | Kavala | GRE | 2009-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1637 | 0.50 | 2 | -0.22 | 25 | -5.50 | |
|  Serefidou, Despina | | | 1634 | GRE | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Vatkali, Dimitra | | | 1858 | GRE | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | WORLD AMATEUR CHAMPIONSHIP 2009 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1637 | 1.50 | 5 | 0.75 | 25 | 18.75 | |
| | Georgiadis, Alexandros | | | 1987 | GRE | 1.00 | 1 | 0.89 | 25 | 22.25 | |  Lakakis, Ioannis | | | 1876 | GRE | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Kesidis, Odyseas | | | 1933 | GRE | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Lianas, Ioannis | | | 1987 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kapogiannatos, Hristoforos | | | 1901 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | |
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