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Individual Calculations February 2015 |
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| Girvalakis, Spyridon Total change: 6.00 | |   |
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| New Year's open PS PERISTERIOU 2015 - A group | Peristeri | GRE | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1959 | 3.00 | 5 | 0.30 | 20 | 6.00 | |
|  Abelakiotis, Stavros | | | 1629 | GRE | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Arvanitis, Georgios | | | 1731 | GRE | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Sismanis, Aggelos | | | 2267 | GRE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Kosmidis, Konstantinos | | | 1819 | GRE | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Karagiannis, Athanasios | m | | 2202 | GRE | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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