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Individual Calculations April 2015 |
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| Kofinas, Hristos Total change: 12.40 | |   |
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| 2015 ESSNA team championship - B1 Local Category | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1852 | 2.00 | 3 | -0.06 | 20 | -1.20 | |
|  Georgiou, Hristos D. | | | 1675 | GRE | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Pramateftakis, Nikolaos | | | 1797 | GRE | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Varbobitis, Ioannis | | | 1657 | GRE | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | 151th Open Ambelokipon | Athens - Ambelokipoi | GRE | 2015-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1852 | 4.50 | 7 | 0.68 | 20 | 13.60 | |
| | Grammatopoulos, Dimitrios | | | 1452 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kesoglou, Konstantinos | | | 2043 | GRE | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Koerant, Filipos | | | 1880 | GRE | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Patrinos, Ilias | | | 1582 | GRE | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Sienczewski, Zbigniew | | | 2022 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Arvanitis, Georgios | | | 1731 | GRE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Sarakenidis, Nikolaos | | | 1912 | GRE | 1.00 | 1 | 0.58 | 20 | 11.60 | | | * 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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