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Individual Calculations May 2010 |
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| Kefalas, Spyridon Total change: -10.05 | |   |
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| Attica Team Championship of B' Category 2010 | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1896 | 2.00 | 3 | 0.37 | 15 | 5.55 | |
|  Bouboulis, Spyridon-Odysseys | | | 1675 | GRE | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Kostas, Panagiotis | | | 1915 | GRE | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Hatzistavris, Georgios | | | 1983 | GRE | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | International Chess Open Thessaloniki 2010 | Thessaloniki | GRE | 2010-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1896 | 2.50 | 7 | -1.04 | 15 | -15.60 | |
|  Koroglou, Viktor | | | 1896 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Erdogdu, Mert | m | | 2296 * | TUR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Magklaras, Themistoklis-Panayio | | | 1546 * | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Chierici, Marianna | | wf | 2094 | ITA | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Osmanoglou, Halil | | | 2139 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Lekatis, Ioannis | | | 1621 | GRE | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Mitridis, Dimitris | | | 1660 | GRE | 0.00 | 1 | -0.80 | 15 | -12.00 | | | * 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) | | |
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