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Individual Calculations July 2017 |
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| Dafereras, Antonios Arsenios Total change: -77.60 | |   |
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| 2017 Attica Youth under 12 Team Championhip - ESSNA 1-5 | ESSNA | GRE | 2017-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1243 | 1166 | 1.00 | 3 | -0.23 | 40 | -9.20 | |
|  Spyratos, Nikolaos | | | 1445 | GRE | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Stathopoulos, Stylianos | | | 1154 | GRE | 0.00 | 1 | -0.52 | 40 | -20.80 | |  Minadakis, Andreas-Marios | | | 1131 | GRE | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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) | | | | 22nd open SO Peristeriou 2017 | Peristeri | GRE | 2017-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1196 | 1118 | 0.00 | 4 | -1.71 | 40 | -68.40 | |
| | Ntelis, Polizois | | | 1518 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kanellidis, Emanouil | | | 1194 | GRE | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Lyrakis, Emmanouil Anton | | | 1040 | GRE | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Lupu, Nikolaos | | | 1030 | GRE | 0.00 | 1 | -0.62 | 40 | -24.80 | | | * 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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