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Individual Calculations January 2009 |
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| Halkias, Nikolaos Total change: -40.75 | |   |
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| 2o Open Ioakimidis Chess Tournament | Thessaloniki | GRE | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1730 | 0.00 | 3 | -1.28 | 25 | -32.00 | |
|  Papathanasiou, Ageliki | | | 1866 | GRE | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Gouliaros-Antoniadis, Alexandro | | | 1840 | GRE | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Fregidis, Nikolaos | | | 1651 | GRE | 0.00 | 1 | -0.61 | 25 | -15.25 | |
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) | | | | 3rd "IN MEMORIAL" Thessaloniki tournament 2008 | Thessaloniki | GRE | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1730 | 1.00 | 3 | -0.35 | 25 | -8.75 | |
| | Metaxas, Efstathios | | | 1757 | GRE | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Iskos, Alexandros | | | 2080 | GRE | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Palaskos, Marios | | | 1511 | GRE | 0.00 | 1 | -0.78 | 25 | -19.50 | |
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) | | |
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