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Individual Calculations January 2010 |
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| Sotiriadou, Ioanna Total change: 24.60 | |   |
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| 100th Ambelokipi Open | Ambelokipi - Athens | GRE | 2009-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1541 | 1.50 | 5 | 0.81 | 15 | 12.15 | |
|  Malamatas, Konstantinos | | | 1941 * | GRE | 0.50 | 1 | 0.42 | 15 | 6.30 | |  Mitsakos, Achilleas | | | 1769 | GRE | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Michailidis, Dimitrios | | | 1910 | GRE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Papadopoulos, Georgios | | | 1805 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Fanourgakis, Konstantinos | | | 1875 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Greek Youth Under 16 Team Champ. Finals | N.Filadelfia - Athens | GRE | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1541 | 1.50 | 4 | 0.83 | 15 | 12.45 | |
| | Fragkou, Eleni | | | 1896 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vatkali, Dimitra | | | 1895 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Hristodoulaki, Antonia | | | 1885 | GRE | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Amiridou, Dimitra | | | 1667 | GRE | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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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