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Individual Calculations May 2011 |
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| Psoma, Virginia Total change: 11.10 | |   |
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| 14th open tournament of SO Aigaleo < 1500 - GROUP B' | Aigaleo - Athens | GRE | 2011-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1466 | 3.50 | 4 | 1.19 | 15 | 17.85 | |
|  Karali, Panagiota | | | 1268 | GRE | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Nikitidis, Theopistos | | | 1488 | GRE | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Dasaklis, Hristos | | | 1468 | GRE | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Kolyvas, Aris | | | 1408 | GRE | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | 111th Ambelokipi Open | Ambelokipi - Athens | GRE | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1514 | 0.00 | 3 | -0.37 | 15 | -5.55 | |
| | Zambrakos, Efthimios | | | 1910 | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Stavrakas, Ioannis | | | 1791 | GRE | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Marianidis, Dimitrios | | | 1845 | GRE | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | 1o AEK Open | N.Filadelfia - Athens | GRE | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1514 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
| | Girvalakis, Spyridon | | | 1914 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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