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Individual Calculations January 2020 |
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| Grigoriadis, Petros Nik. Total change: 4.00 | |   |
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| 2019 Attica team Cup Spyros Bikos A | ESSNA | GRE | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1467 | 1540 | 2.00 | 3 | 0.20 | 20 | 4.00 | |
|  Mylonas, Nikolaos St | | | 1467 | GRE | 0.50 | 1 | -0.10 | 20 | -2.00 | |  Kilakos, Dimitrios | | | 1426 | GRE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Ntelis, Polizois | | | 1509 | GRE | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | |
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