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Individual Calculations July 2009 |
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| Vrettos, Vasilis Total change: -10.50 | |   |
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| Attica Teams Cup | Attica | GRE | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1967 | 0.00 | 1 | -0.58 | 15 | -8.70 | |
|  Mihopoulos, Konstantinos | | | 1913 | GRE | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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 |
| 1946 | 1967 | 3.00 | 6 | -0.12 | 15 | -1.80 | |
| | Klokas, Konstantinos | | | 2178 | GRE | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Diatsintos, Ilias | | | 1688 | GRE | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Diatsintos, Apostolos | | | 2091 | GRE | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Karatzanos, Konstantinos | | | 1617 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Skalkotas, Nikolaos | m | | 2265 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Marianidis, Dimitrios | | | 1837 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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