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Individual Calculations April 2015 |
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| Gkika, Marina Total change: -57.60 | |   |
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| 11th open Triantafylos Siaperas 2015 | Athens - Ambelokipoi | GRE | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1402 | 1280 | 0.50 | 4 | -0.88 | 40 | -35.20 | |
|  Arvanitakis, Panagiotis | | | 1533 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Seferlis, Georgios | | | 1488 | GRE | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Kozanitas, Aggelos | | | 1302 | GRE | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Flouri, Maria | | | 1284 | GRE | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | 2015 ESSNA team championship - POA | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1280 | 0.00 | 2 | -0.56 | 40 | -22.40 | |
| | Tzemi, Aggeliki - Athina | | | 1359 | GRE | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Androni, Dimitra | | | 1550 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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) | | |
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