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Individual Calculations September 2009 |
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| Stergiou, Georgios Total change: -33.25 | |   |
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| 13th Heraklio Open 2009 - Group B | N.Heraklio - Attiki | GRE | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1661 | 0.00 | 2 | -0.49 | 25 | -12.25 | |
|  Kolomvas, Dimitrios | | | 1895 | GRE | 0.00 | 1 | -0.21 | 25 | -5.25 | |  Koukoufikis, Ioannis | | | 1826 | GRE | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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 |
| 1915 | 1661 | 0.50 | 6 | -0.84 | 25 | -21.00 | |
| | Van Weersel, Arlette | | wm | 2061 * | NED | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Haddad, Gabriel | | | 1925 | GRE | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Nathanail, Emanouel | | | 2061 * | GRE | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Urosevic, Marija | | wf | 2061 * | SRB | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Barbagiannis, Leonidas | | | 1783 | GRE | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Athanasopoulos, Stavros | | | 1598 | GRE | 0.00 | 1 | -0.59 | 25 | -14.75 | | | * 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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