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Individual Calculations April 2017 |
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| Lakafosis, Ioannis Total change: -8.80 | |   |
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| 13th Tr Siaperas Memorial Open 2017 | Athens | GRE | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1975 | 3.00 | 4 | -0.55 | 20 | -11.00 | |
|  Stefanidis, Ioannis | | | 1575 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Basinas, Konstantinos | | | 1575 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ntaifas, Ioannis | | | 1749 | GRE | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Kilakos, Dimitrios | | | 1575 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2017 Team Championship ESSN Attikis - A Local 1 | Attica | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1975 | 2.50 | 5 | 0.11 | 20 | 2.20 | |
| | Delavekouras, Sotiris | | | 2029 | GRE | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Apostolou, Alexandros | | | 2203 | GRE | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Paouris, Nikolaos | | | 1942 | GRE | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Valellis, Georgios | | | 2020 | GRE | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Terzakis, Athanasios | | | 1764 | GRE | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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) | | |
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