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Individual Calculations May 2017 |
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| Efthimiou, Georgios Total change: -53.40 | |   |
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| 2017 Team Friendship Cup Nikos Strofalis | Attica | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1786 | 1.00 | 3 | -0.80 | 20 | -16.00 | |
|  Sklavounos, Panayotis | | | 1841 | GRE | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Karlis, Nikolaos | | | 1782 | GRE | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Charalampidis, Vasilios | | | 1464 | GRE | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | | | 1st open "Synergasia" APO Kotinos | Athens | GRE | 2017-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1811 | 4.00 | 7 | -0.67 | 20 | -13.40 | |
| | Katsiantonis, Dimitrios | | | 1411 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tsagkaropoulos, Spyridon | | | 2021 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Aslanidis, Leontios | | | 1411 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dermatas, Marios | | | 1488 | GRE | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Giannelos, Stylianos | | | 1681 | GRE | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Christidis, Savvas | | | 1898 | GRE | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Fakkas, Argiris | | | 1688 | GRE | 0.50 | 1 | -0.17 | 20 | -3.40 | | | * 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) | | | | Easter Open Chess Square 2017 | Athens | GRE | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1821 | 1.50 | 4 | -1.20 | 20 | -24.00 | |
| | Makedonas, Michail | | | 1421 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Spyropoulos, Nikolaos | | | 2208 | GRE | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Seferis, Georgios | | | 1612 | GRE | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Nathanail, Spyridon | | | 1421 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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