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Individual Calculations October 2008 |
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| Kefalas, Spyridon Total change: -38.70 | |   |
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| Open SOP-SMAO INTERNATIONAL RATING >1800 | Athens | GRE | 2008-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1965 | 1.00 | 4 | -1.18 | 15 | -17.70 | |
|  Kostouros, Alexandros | | | 2206 | GRE | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Hatzigeorgiou, Mihail | | | 1892 | GRE | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Nikolaidou, Eleni | | | 1813 | GRE | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Fanourgakis, Konstantinos | | | 1835 | GRE | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 26th Greek Indiv. Championship open U16 | Kallithea - Halkidiki | GRE | 2008-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1965 | 2.50 | 6 | -1.40 | 15 | -21.00 | |
| | Filippas, Sebastian | | | 2244 | GRE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Vakalopoulos, Hristos | | | 1801 | GRE | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Filippas, Georgios | | | 1755 | GRE | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Diasakos, Damianos | | | 1700 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Kasidonis, Antonios | | | 1725 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Konstantinidis, Lazaros | | | 1867 | GRE | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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