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Individual Calculations January 2019 |
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| Petraki, Evaggelia Total change: 19.20 | |   |
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| Funny Wednesday pro X-mas Chess Tournament A group | Thessaloniki | GRE | 2018-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1756 | 0.50 | 3 | -0.54 | 20 | -10.80 | |
|  Danis, Hrisovalantis | | | 2001 | GRE | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Pasoglou, Ekaterini | | | 1782 | GRE | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Bozanis, Dimitrios | | | 1844 | GRE | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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) | | | | 41st Greek National Women Championship 2018 | Thessaloniki | GRE | 2018-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1756 | 3.50 | 9 | 1.50 | 20 | 30.00 | |
| | Fragkou, Eleni | | | 2031 | GRE | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Nikolaidou, Eleni | | | 1707 | GRE | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Grapsa, Georgia | | wf | 2096 | GRE | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Makka, Ioulia | | wm | 2065 | GRE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Markantonaki, Haritomeni | | wf | 2152 | GRE | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Pavlidou, Ekaterini | | wm | 2156 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Androni, Konstantina | | | 1912 | GRE | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Tsivelekidou, Evgenia | | | 1861 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Skaraki, Antigoni | | | 2012 | GRE | 0.50 | 1 | 0.31 | 20 | 6.20 | | | * 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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