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Individual Calculations July 2009 |
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| Sidiropoulos, Leonidas Total change: -5.70 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1683 | 1.50 | 4 | 0.20 | 15 | 3.00 | |
|  Koerant, Filipos | | | 2033 | GRE | 0.50 | 1 | 0.39 | 15 | 5.85 | |  Fanourgakis, Konstantinos | | | 1864 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ntovas, Dimitrios | | | 1452 | GRE | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Papafitsoros, Konstantinos | | | 1989 | GRE | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | Easter Tournament 2009 PS Peristeriou | Peristeri - Athens | GRE | 2009-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1692 | 0.00 | 4 | -0.58 | 15 | -8.70 | |
| | Grigoriadis, Alexandros | m | | 2042 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Alexopoulos, Alexios | | | 1889 | GRE | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Sideris, Theodoros | | | 2042 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Koerant, Filipos | | | 2042 | GRE | 0.00 | 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) | | |
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