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Individual Calculations July 2011 |
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| Koukoufikis, Ioannis Total change: -10.80 | |   |
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| 112th Ambelokipi Open | Ambelokipi - Athens | GRE | 2011-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1731 | 2.00 | 4 | -0.14 | 15 | -2.10 | |
|  Delithanasis, Dimitrios | | | 2131 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Michailidis, Dimitrios | | | 1830 | GRE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Liakakis, Grigorios | | | 1436 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Karatzanos, Konstantinos | | | 1433 | GRE | 1.00 | 1 | 0.15 | 15 | 2.25 | | | * 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) | | | | 113rd Ambelokipi Open | Ambelokipi - Athens | GRE | 2011-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1737 | 2.50 | 6 | -0.58 | 15 | -8.70 | |
| | Ilandzis, Spyridon | | | 2105 | GRE | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Zambrakos, Efthimios | | | 1910 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Papamichael, Georgios | | | 1855 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Karystianos, Petros | | | 1501 | GRE | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Stavropoulos, Simeon | | | 1573 | GRE | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Panopoulos, Orestis | | | 1442 | GRE | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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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