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Individual Calculations July 2008 |
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| Panagiotakos, Petros Total change: 1.65 | |   |
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| 85th Ambelokipi Open | Ambelokipi - Athens | GRE | 2008-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1932 | 3.00 | 5 | -0.74 | 15 | -11.10 | |
|  Karatzanos, Konstantinos | | | 1582 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Korkoliakos, Nikolaos | | | 1678 | GRE | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Sigouros, Ioannis | | | 2082 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Arvanitis, Georgios | | | 1630 | GRE | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Vontikakis, Hrysostomos | | | 1582 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 2nd Local Division of Attica | Attica | GRE | 2008-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1932 | 3.50 | 6 | 1.07 | 15 | 16.05 | |
| | Toumanian, Akop | | | 1983 | GRE | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Goumas, Ioannis | | | 2227 | GRE | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Zannias, Spyridon | | | 2015 | GRE | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Nakas, Spyridon | | | 1898 | GRE | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Sklavounos, Panayotis | | | 2006 | GRE | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Kourmoulakis, Konstantinos | | | 1924 | GRE | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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) | | | | 87th Ambelokipi Open | Athens | GRE | 2008-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1889 | 1.50 | 3 | -0.22 | 15 | -3.30 | |
| | Marianidis, Dimitrios | | | 1928 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Karlis, Nikolaos | | | 1767 | GRE | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Nikolaidou, Eleni | | | 1813 | GRE | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | |
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