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Individual Calculations November 2009 |
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| Stergiou, Georgios Total change: -0.45 | |   |
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| 17th Intern. Chess Tourn. "Honour to National Resistance" | Nikaia - Athens | GRE | 2009-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1661 | 0.50 | 3 | -0.18 | 15 | -2.70 | |
|  Koutoukidis, Panagiotis | | | 1936 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Alexopoulos, Alexios | | | 1883 | GRE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Tsounis, Serafim | | | 1823 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | 1st Open Tournament Kaissa 1 | Athens | GRE | 2009-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1628 | 0.50 | 3 | 0.15 | 15 | 2.25 | |
| | Poteas, Ioannis | | | 2028 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Spyropoulou, Aliki | | | 1881 | GRE | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Ilandzis, Spyridon | | | 2028 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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