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Individual Calculations July 2009 |
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| Kolomvas, Dimitrios Total change: -14.85 | |   |
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| Team Cup Attica Friendship 2009 "NIKOS STROFALIS" | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1940 | 1.00 | 2 | -0.11 | 15 | -1.65 | |
|  Liaskos, Leonidas | | | 1997 | GRE | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Androni, Konstantina | | | 1798 | GRE | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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) | | | | Attica Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1940 | 0.00 | 1 | -0.74 | 15 | -11.10 | |
| | Samartzis, Mihail | | | 1756 | GRE | 0.00 | 1 | -0.74 | 15 | -11.10 | |
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 PGS-KOTINOU | Athens | GRE | 2009-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1940 | 1.00 | 4 | -0.14 | 15 | -2.10 | |
| | Poulos, Georgios | | | 2073 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Kostouros, Alexandros | | | 2198 | GRE | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Diatsintos, Apostolos | | | 2091 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Ntaifas, Ioannis | | | 2060 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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