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Individual Calculations February 2019 |
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| Rahmanidis, Petros Total change: 17.40 | |   |
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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 |
| 1795 | 2070 | 6.00 | 7 | 0.42 | 20 | 8.40 | |
|  Vassalos, Filippos Dimitrios | | | 1670 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vassis, Michail | | | 1670 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Strati, Betty - Anna | | | 1670 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dermatas, Marios | | | 1844 | GRE | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Tsivourakis, Panteleimon | | | 1670 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mourogiannis, Konstantinos | | | 1812 | GRE | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Grigoriadis, Mihail | | | 2227 | GRE | 1.00 | 1 | 0.71 | 20 | 14.20 | | | * 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 Championship - B Category rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2095 | 2.00 | 2 | 0.45 | 20 | 9.00 | |
| | Nemtsas, Hristoforos | | | 1913 | GRE | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Ntounis, Nikos | | | 1847 | GRE | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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