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Individual Calculations April 2015 |
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| Tzagarakis, Georgios Total change: -82.80 | |   |
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| 11th open Triantafylos Siaperas 2015 | Athens - Ambelokipoi | GRE | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1605 | 2.00 | 5 | -2.06 | 40 | -82.40 | |
|  Stamatakis, Georgios | | | 1205 * | GRE | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Makedonas, Michail | | | 1329 | GRE | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Mandridis, Pantelis | | | 1290 | GRE | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Gkikas, Ioannis | | | 1376 | GRE | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Seferlis, Georgios | | | 1488 | GRE | 0.00 | 1 | -0.66 | 40 | -26.40 | | | * 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) | | | | 151th Open Ambelokipon | Athens - Ambelokipoi | GRE | 2015-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1605 | 1.50 | 4 | -0.01 | 40 | -0.40 | |
| | Kesoglou, Konstantinos | | | 2005 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Grammatopoulos, Dimitrios | | | 1222 | GRE | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Maratos, Antonios | | | 1651 | GRE | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Kostouros, Alexandros | | | 2005 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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