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Individual Calculations June 2013 |
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| Vidalis, Evagelos Total change: -14.55 | |   |
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| 2013 Team championship of ESSTH-HALK - POA | Thessaloniki | GRE | 2013-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1964 | 1.00 | 2 | 0.03 | 15 | 0.45 | |
|  Konstantinidis, Lazaros | | | 1859 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Mourelatos, Ilias | | | 2091 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 6th spring open tournament Triandias - A Group | Thessaloniki | GRE | 2013-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1964 | 3.50 | 6 | -1.00 | 15 | -15.00 | |
| | Sakellaridis, Grigorios | | | 1564 * | GRE | 0.50 | 1 | -0.42 | 15 | -6.30 | |  Themelis, Georgios | | | 1702 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Nikolakis, Panagiotis Marios | | | 1564 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kacakovski, Dimitar | f | | 2145 | MKD | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Chrysostomidis, Alkiviadis | | | 1720 | GRE | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Zonidis, Petros | | | 1748 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | * 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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