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Individual Calculations December 2021 |
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| Lepetsos, Georgios Total change: 8.80 | |   |
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| 28th open PS Peristeriou Sep 2021 | Peristeri | GRE | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1199 | 0.00 | 1 | -0.27 | 40 | -10.80 | |
|  Toumpakari, Maria | | | 1376 | GRE | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | 178th open SO Ampelokipon | Athens Ampelokipoi | GRE | 2021-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1199 | 2.50 | 6 | 0.49 | 40 | 19.60 | |
| | Mengoulis, Konstantinos | | | 1599 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Koerant, Filipos | | | 1599 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tourkolias, Dimitrios | | | 1471 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Poupalos, Ionas | | | 1078 | GRE | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Pletsia, Konstantina | | | 1211 | GRE | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Karapappas, Nikolaos | | | 1173 | GRE | 1.00 | 1 | 0.46 | 40 | 18.40 | | | * 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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