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Individual Calculations December 2015 |
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| Tzavaras, Spyridon Total change: 13.20 | |   |
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| Autumn open Chessquare 2015 | Ambelokipi | GRE | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1247 | 1.00 | 4 | -0.08 | 40 | -3.20 | |
|  Delithanasis, Dimitrios | | | 1647 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Giatrakos, Orestis | | | 1554 | GRE | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Iatrou, Konstantinos | | | 1472 | GRE | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Tzavara, Eleni | | | 1141 | GRE | 1.00 | 1 | 0.36 | 40 | 14.40 | | | * 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) | | | | 2015 Attica youth U12 team championship | Attica | GRE | 2015-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1247 | 1.50 | 2 | 0.41 | 40 | 16.40 | |
| | Kratimenou, Georgia | | | 1138 | GRE | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Charalampidis, Vasilios | | | 1287 | GRE | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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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