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Individual Calculations August 2012 |
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| Petrakis, Nikolaos Total change: 11.10 | |   |
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| Greek Individual Youth Championships 2012 Finals - open under 14 | Rio Achaias | GRE | 2012-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1557 | 2.50 | 4 | 0.37 | 30 | 11.10 | |
|  Harizopoulos, Ioannis | | | 1601 | GRE | 1.00 | 1 | 0.56 | 30 | 16.80 | |  Ballas, Athanasios-Panagiotis | | | 1840 | GRE | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Prevezanos, Nikolaos | | | 1278 | GRE | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Fakidis, Simos | | | 1415 | GRE | 0.50 | 1 | -0.19 | 30 | -5.70 | |
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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