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Individual Calculations August 2015 |
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| Petraki, Argiro Total change: 55.60 | |   |
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| 2015 Greek Youth Championships - girls 14 | Rio Achaia | GRE | 2015-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1464 | 5.00 | 7 | 2.12 | 40 | 84.80 | |
|  Plouska, Antigoni | | | 1102 | GRE | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Hrysogelou, Athanasia-Panagiota | | | 1657 | GRE | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Koutsidi, Amalia | | | 1622 | GRE | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Louka, Magdalini | | | 1472 | GRE | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Daskalaki, Sofia | | | 1423 | GRE | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Vozinaki, Anthi - Maria | | | 1819 | GRE | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Karathanasi, Eirhnh | | | 1630 | GRE | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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) | | | | 8th international open of Paleohora | Paleohora Chania Crete | GRE | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1464 | 2.50 | 8 | -0.73 | 40 | -29.20 | |
| | Gouloutis, Nikolaos | | | 1864 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Iasman, Inna | | | 1864 * | FRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Markaki, Sofia | | | 1777 | GRE | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Koukouraki, Hrisi | | | 1064 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Zakharov, Denis | | | 1774 | RUS | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Pantelakis, Lefteris | | | 1086 | GRE | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Koutsourakis, Emmanouil | | | 1252 | GRE | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Damianou, Ioannis | | | 1716 | CYP | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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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