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Individual Calculations February 2019 |
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| Grigoriadis, Alexandros Total change: -14.90 | |   |
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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 |
| 1888 | 2197 | 5.00 | 7 | -0.94 | 10 | -9.40 | |
|  Fardoulis, Ioannis | | | 1797 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Vassis, Anastasios | | | 1797 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Mourogiannis, Konstantinos | | | 1812 | GRE | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Cruceru, Lavinel | | | 1970 | ROU | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Eftimakis, Dimitros | | | 2066 | GRE | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Dermatas, Marios | | | 1844 | GRE | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Sideris, Theodoros | | | 1929 | GRE | 0.00 | 1 | -0.83 | 10 | -8.30 | | | * 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) | | | | New Year's 2019 open Chess Square A Mitsakos Memorial | Athens | GRE | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2197 | 6.50 | 9 | -0.72 | 10 | -7.20 | |
| | Kourouklis, Efthymios-Nektarios | | | 1797 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Koerant, Filipos | | | 1811 | GRE | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Koutis, Pavlos | | | 1797 * | GRE | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Tagklis, Ioannis | | | 1797 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Michalis, Christos Panagiotis | | | 1797 * | GRE | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kesaris, Evangelos | | | 1901 | GRE | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Nemtsas, Hristoforos | | | 1913 | GRE | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Cruceru, Lavinel | | | 1970 | ROU | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Kotronias, Vasilios | g | | 2493 | GRE | 0.50 | 1 | 0.35 | 10 | 3.50 | | | * 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 Friendship Cup Nikos Strofalis Group A Rounds 1-3 | ESSNA | GRE | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2197 | 1.00 | 1 | 0.17 | 10 | 1.70 | |
| | Vazelakis, Dimitrios | | | 1920 | GRE | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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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