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Individual Calculations September 2009 |
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| Harokopos, Hristos Total change: -28.50 | |   |
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| 2nd Open below 1800 national rating | Pagrati - Athens | GRE | 2009-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1619 | 0.00 | 3 | -0.72 | 25 | -18.00 | |
|  Vlahos, Ellisseos | | | 1969 | GRE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Soursos, Panayotis | | | 1697 | GRE | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Marianidis, Dimitrios | | | 1842 | GRE | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1616 | 0.00 | 3 | -0.42 | 25 | -10.50 | |
|  Spirou, Panagiotis | | | 2016 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Nikolopoulos, Panagiotis | | | 1796 | GRE | 0.00 | 1 | -0.26 | 25 | -6.50 | | | De Boer, Albert | | | 2016 * | NED | 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) | | |
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