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Individual Calculations September 2009 |
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| Athanasopoulos, Stavros Total change: 84.25 | |   |
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| 13th Heraklio Open 2009 - Group B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1589 | 4.00 | 5 | 3.16 | 25 | 79.00 | |
|  Roumeliotis, Angelos | | | 1881 | GRE | 1.00 | 1 | 0.85 | 25 | 21.25 | |  Stamatakos, Dimitrios | | | 1819 | GRE | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Pagali, Marianna | | | 1898 | GRE | 1.00 | 1 | 0.86 | 25 | 21.50 | | | Kolomvas, Dimitrios | | | 1895 | GRE | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Koukoufikis, Ioannis | | | 1826 | GRE | 1.00 | 1 | 0.80 | 25 | 20.00 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1598 | 1.50 | 6 | 0.21 | 25 | 5.25 | |
| | Poulos, Georgios | | | 1998 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Vlahos, Georgios | | | 1800 | GRE | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Aggeli, Eleni | | | 1863 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Nilsson, Erling | | | 1930 | DEN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Mitsakos, Achilleas | | | 1778 | GRE | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Stergiou, Georgios | | | 1661 | GRE | 1.00 | 1 | 0.59 | 25 | 14.75 | | | * 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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