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Individual Calculations February 2015 |
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| Gountouvas, Aristeidis Total change: 23.60 | |   |
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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 |
| 1213 | 1217 | 1.00 | 2 | -0.02 | 40 | -0.80 | |
|  Polyzos, Ioannis | | | 1226 | GRE | 0.00 | 1 | -0.49 | 40 | -19.60 | |  Theodosopoulos, Konstantinos | | | 1199 | GRE | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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) | | | | 2014 Christmas youth open SO Peristeriou | Peristeri | GRE | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1094 | 1217 | 1.50 | 2 | 0.17 | 40 | 6.80 | |
| | Fotou, Kleopatra | | | 1010 | GRE | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Krassas, Nikolaos | | | 1177 | GRE | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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) | | | | New Year's open PS PERISTERIOU 2015 - B group | Peristeri | GRE | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1394 | 1217 | 1.00 | 2 | 0.44 | 40 | 17.60 | |
| | Stamatiou, Rodolfos | | | 1286 | GRE | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Tagklis, Ioannis | | | 1501 | GRE | 0.50 | 1 | 0.34 | 40 | 13.60 | |
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) | | |
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