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Individual Calculations April 2015 |
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| Seferlis, Georgios Total change: 1.80 | |   |
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| 11th open Triantafylos Siaperas 2015 | Athens - Ambelokipoi | GRE | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1488 | 3.00 | 6 | -0.03 | 20 | -0.60 | |
|  Koerant, Filipos | | | 1880 | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Georgitsi, Sofia | | | 1199 | GRE | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Gkika, Marina | | | 1280 | GRE | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Flouri, Maria | | | 1284 | GRE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Tzagarakis, Georgios | | | 1605 | GRE | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Pararas, Ioannis | | | 1694 | GRE | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | 2015 Attica Friendship team CUP NIKOS STROFALIS | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1488 | 0.50 | 2 | 0.12 | 20 | 2.40 | |
| | Kazaglis, Dimitrios-Stefanos | | | 1694 | GRE | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Papadopoulos, Asterios | | | 1793 | GRE | 0.50 | 1 | 0.36 | 20 | 7.20 | |
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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