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Individual Calculations January 2011 |
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| Kouros, Ahileas Total change: 54.70 | |   |
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| Open tournament Kaissa 7 | Athens | GRE | 2010-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1207 | 2.00 | 5 | 1.30 | 25 | 32.50 | |
|  Zervogiannis, Alexandros | | | 1607 * | GRE | 0.50 | 1 | 0.42 | 25 | 10.50 | |  Douni, Maria | | | 1362 | GRE | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Zambrakos, Efthimios | | | 1607 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Georgiadis, Nikitas | | | 1477 | GRE | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Diatsintos, Ilias | | | 1607 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 | | Open tournament Kaissa 8 | Athens | GRE | 2010-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1211 | 2.00 | 5 | 1.48 | 15 | 22.20 | |
| | Efthimiou, Georgios | | | 1611 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Diatsintos, Ilias | | | 1611 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Grapsas, Panagiotis | | | 1504 | GRE | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Hondrovasilopoulos, Ioannis | | | 1532 | GRE | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Retkowski, Daniel | | | 1611 * | POL | 1.00 | 1 | 0.92 | 15 | 13.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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