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Individual Calculations February 2019 |
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| Karagiannis, Athanasios Total change: -12.50 | |   |
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| 2nd Christmas open S Bikos - D Maragkoudakis Memorial 2018 | Athens | GRE | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2210 | 6.00 | 6 | 0.83 | 10 | 8.30 | |
|  Oikonomopoulos, Filippos | | | 1810 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Voutsas, Christos | | | 1810 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Vourlis-Koletis, Miltiadis | | | 1850 | GRE | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Sideris, Theodoros | | | 1929 | GRE | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Eftimakis, Dimitros | | | 2066 | GRE | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Dermatas, Marios | | | 1844 | GRE | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * 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) | | | | 4th New Year's open PS Peristeriou Antonis Bellos | Peristeri | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 2208 | 4.00 | 6 | -1.33 | 10 | -13.30 | |
| | Kollia, Evgenia | | | 1808 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Titinis, Konstantinos | | | 1808 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Fragkos, Vasileios | | | 1822 | GRE | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Korlotsidis, Spiridon | | | 2020 | GRE | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Kassios, Dimitrios | | | 1808 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ntaifas, Ioannis | | | 1808 * | GRE | 0.50 | 1 | -0.42 | 10 | -4.20 | | | * 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) | | | | 2019 Attica Team Championships - A Local Group A Rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2208 | 1.00 | 2 | -0.75 | 10 | -7.50 | |
| | Klitsas, Georgios | | | 1889 | GRE | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Sideris, Theodoros | | | 1870 | GRE | 0.00 | 1 | -0.88 | 10 | -8.80 | |
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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