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Individual Calculations September 2009 |
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| Kontogianni, Maria-Hristina Total change: -11.05 | |   |
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| 21th Greek Indiv. Championship girls U16 | Kallithea - Halkidiki | GRE | 2009-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1620 | 1.50 | 6 | -0.64 | 25 | -16.00 | |
|  Terzidaki, Alexandra | | | 1828 | GRE | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Malikentzou, Nafsika | | | 1568 | GRE | 0.50 | 1 | -0.07 | 25 | -1.75 | |  Vatkali, Dimitra | | | 1858 | GRE | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Alexiou, Dimitra | | | 1759 | GRE | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Skaraki, Antigoni | | | 1725 | GRE | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Themeli, Dimitra | | | 1642 | GRE | 0.50 | 1 | 0.03 | 25 | 0.75 | |
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) | | | NOTE: K factor changed | | Ikaros Chess Festival 2009 | 2009 Aegean Open Championship | GRE | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1620 | 1.50 | 6 | 0.33 | 15 | 4.95 | |
| | Kudriashova, Irina | | | 2020 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Koukoufikis, Ioannis | | | 1822 | GRE | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Xylogiannopoulos, Antonios | | | 2011 | GRE | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Danchenko, Dimitrios | | | 2020 * | UKR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Androni, Konstantina | | | 1795 | GRE | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Papadopoulos, Asterios | | | 1686 | GRE | 1.00 | 1 | 0.59 | 15 | 8.85 | | | * 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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