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Individual Calculations July 2009 |
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| Koukoufikis, Ioannis Total change: -3.90 | |   |
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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 |
| 1994 | 1843 | 0.00 | 1 | -0.30 | 15 | -4.50 | |
|  Tsiropoulas, Apostolos | | | 1994 | GRE | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | 96 Ambelokipi Open | Athens | GRE | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1826 | 1.00 | 3 | 0.04 | 15 | 0.60 | |
| | Ilandzis, Spyridon | | | 2176 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Avgoustinatos, Vassilis | | | 1814 | GRE | 1.00 | 1 | 0.48 | 15 | 7.20 | |  Michailidis, Dimitrios | | | 1950 | 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) | | |
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