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Individual Calculations August 2015 |
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| Kefalas, Sotirios Total change: 4.00 | |   |
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| 13th Fysiolatriko open 2015 - B group | Nikaia | GRE | 2015-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1247 | 2.50 | 5 | 0.21 | 40 | 8.40 | |
|  Theodosopoulou, Christina | | | 1005 | GRE | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Zaharatos, Andreas | | | 1445 | GRE | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kiousis, Stavros St. | | | 1076 | GRE | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Konstantinou, Georgios | | | 1468 | GRE | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Filippidis, Ioannis | | | 1393 | GRE | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 154th Open Ambelokipon | Ambelokipi | GRE | 2015-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1247 | 1.00 | 5 | -0.11 | 40 | -4.40 | |
| | Kouis, Marios | | | 1647 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Batsolakis, Georgios | | | 1532 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Mavromoustakos, Thomas | | | 1542 | GRE | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Vasilakopoulos, Georgios | | | 1578 | GRE | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Makedonas, Ioannis | | | 1177 | GRE | 1.00 | 1 | 0.40 | 40 | 16.00 | | | * 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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