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Individual Calculations February 2018 |
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| Polyzos, Ioannis Total change: -20.40 | |   |
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| 7th New Year's Open Nikaia 2018 - B | Nikaia | GRE | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1311 | 1.00 | 3 | -0.51 | 40 | -20.40 | |
|  Charalampidis, Vasilios | | | 1359 | GRE | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Merkos, Thomas | | | 1217 | GRE | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Papadopoulos, Emanouil | | | 1348 | GRE | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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) | | |
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