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Individual Calculations March 2011 |
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| Kefalas, Spyridon Total change: -8.10 | |   |
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| 2010 Team Ch Bikos Cup - Group A | Attiki | GRE | 2010-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1886 | 3.00 | 5 | -0.04 | 15 | -0.60 | |
|  Drivas, Stefanos | | | 1985 | GRE | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Kazanakis, Efstathios | | | 1894 | GRE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Papadopoulos, Georgios Nikea | | | 1610 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Roinos, Ilias | | | 1695 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Rigatos, Panagiotis | | | 1807 | GRE | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | 2011 Individual Championship of Greece - Open Under 20 | Peristeri - Athens | GRE | 2011-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1854 | 1.50 | 6 | -0.50 | 15 | -7.50 | |
| | Filippas, Sebastian | | | 2254 * | GRE | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Asimakopoulos, Ioannis | | | 1960 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Pavlidis, Anastasios | f | | 2254 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Florakis, Konstantinos | | | 1584 | GRE | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Karaoulanis, Dimitrios | | | 1933 | GRE | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Kalogiannidis, Ioannis | | | 2037 | GRE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | * 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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