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Individual Calculations September 2009 |
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| Arvanitakis, Panagiotis Total change: -8.10 | |   |
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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 |
| 1792 | 1442 | 0.00 | 2 | -0.22 | 15 | -3.30 | |
|  Petridis, Evagelos | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Georgiopoulos, Har | | | 1792 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 1st LEROS OPEN - ARTEMIS CUP 2009 | LEROS | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1470 | 0.00 | 4 | -0.32 | 15 | -4.80 | |
|  Demuth, Markus | | | 1870 * | AUT | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Frank-Nielsen, Marie | | wf | 1870 * | DEN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ikonomopoulou, Maria | | | 1870 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Post, Maarten | | | 1870 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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