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Individual Calculations February 2015 |
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| Kefalas, Sotirios Total change: 130.40 | |   |
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| 2014 Attica youth under 12 team championship | Attica | GRE | 2014-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1129 | 0.00 | 1 | -0.37 | 40 | -14.80 | |
|  Spanos, Dimitrios | | | 1226 | GRE | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | 49th Championship of Piraeus 2014 | Piraeus | GRE | 2014-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1510 | 1129 | 1.00 | 4 | 0.63 | 40 | 25.20 | |
| | Alexakis, Dimitrios | | | 1529 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Alexakis, Dimitris | | | 1529 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Asvestopoulou, Evdokia | | | 1529 * | GRE | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Tsalamagkakis, Ilias | | | 1454 | GRE | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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) | | | | 4th Tournament of Nikaia - B' Group | Nikaia | GRE | 2015-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1170 | 4.50 | 6 | 3.00 | 40 | 120.00 | |
| | Athanasiou, Andreas | | | 1411 | GRE | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Chatzieleftheriou, Andreas | | | 1336 | GRE | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Dalampekis, Ignatios | | | 1239 | GRE | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Minagias, Dimitrios | | | 1302 | GRE | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Vasilakis, Gavriel | | | 1470 | GRE | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Barous, Theodoros | | | 1464 | GRE | 1.00 | 1 | 0.85 | 40 | 34.00 | |
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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