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Rapid:
Individual Calculations January 2019 |
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| Lafkidis, Apostolos Total change: 22.00 | |   |
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| 28th youth rapid 3 stars 2018 | Athens | GRE | 2018-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1041 | 1093 | 2.00 | 3 | 0.28 | 20 | 5.60 | |
|  Tsimpourakis, Dimitrios | | | 1024 | GRE | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Kostelidis, Georgios | | | 1056 | GRE | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Papageorgiou, Theodoros | | | 1044 | GRE | 1.00 | 1 | 0.43 | 20 | 8.60 | |
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) | | | | 13th youth rapid PS Peristeriou 2018 | Peristeri | GRE | 2018-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1093 | 2.00 | 3 | 0.82 | 20 | 16.40 | |
| | Koutsoukis, Evangelos Panagiotis | | | 1180 | GRE | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Kassa, Vasileia | | | 1046 | GRE | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Karagiorgos, Nikolaos | | | 1304 | GRE | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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