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Individual Calculations July 2009 |
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| Sidiropoulos, Nikolaos Total change: -5.40 | |   |
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| 94th Ambelokipi open | Ambelokipi - Athens | GRE | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1548 | 0.00 | 2 | -0.36 | 25 | -9.00 | |
|  Makkas, Panayiotis | | | 1898 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Maratos, Antonios | | | 1739 | GRE | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | | NOTE: K factor changed | | 2009 Attica mixed Youth Teams Champ. Boys & Girls U16 | Attica | GRE | 2009-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1548 | 0.50 | 1 | 0.24 | 15 | 3.60 | |
|  Georgantas, Antonios | | | 1728 | GRE | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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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