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Individual Calculations April 2009 |
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| Sarakenidis, Nikolaos Total change: -27.75 | |   |
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| 92o Ambelokipi Open | Amblelokipi - Athens | GRE | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 1916 | 0.00 | 1 | -0.20 | 15 | -3.00 | |
|  Tepelenis, Nikolaos | | | 2156 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | 2009 Attica teams Ch A' local div. - Group 2 | Attica | GRE | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1896 | 1.00 | 4 | -0.90 | 15 | -13.50 | |
|  Giordos, Vasilios | | | 1933 | GRE | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Papageorgiou, Ioannis | | | 1767 | GRE | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Koursaris, Nikolaos | | | 1908 | GRE | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Delikanakis, Nikolaos | | | 2046 | 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) | | | | 5th Memorial Siaperas | Ambelokipi Athens | GRE | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1896 | 1.00 | 3 | -0.75 | 15 | -11.25 | |
| | Arvanitakis, Panagiotis | | | 1546 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Delithanasis, Dimitrios | | | 2246 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Arvanitis, Georgios | | | 1703 | GRE | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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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