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Individual Calculations September 2011 |
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| Koutsidis, Achilleas Total change: -11.25 | |   |
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| 20th National Greek Ind. Championship - Open U12 | Eretria | GRE | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1514 | 1.50 | 5 | -0.24 | 15 | -3.60 | |
|  Drakoulakos, Grigorios | | | 1693 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Gikas, Vasilios | | | 1578 | GRE | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Apostolakakis, Konstantinos | | | 1619 | GRE | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Laspas, Panagiotis | | | 1600 | GRE | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Kokkalis, Haralabos | | | 1650 | GRE | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 39th National Team Championship of A' Category | Eretria | GRE | 2011-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1553 | 1554 | 1.50 | 4 | -0.51 | 15 | -7.65 | |
| | Alexiou-Karakasidis, Stavros | | | 1422 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Alexakis, Georgios | | | 1561 | GRE | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Drakoulakos, Grigorios | | | 1693 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Prokopiou, Ioannis | | | 1535 | GRE | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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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