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Individual Calculations October 2015 |
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| Kokkalis, Grigorios Total change: -67.20 | |   |
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| 12th open Kalamaria 2015 | Thessaloniki | GRE | 2015-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1303 | 2.00 | 7 | -1.99 | 40 | -79.60 | |
|  Dorfanis, Ilarion | | | 1703 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tsouchnikas, Georgios | | | 1017 | GRE | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Banaka, Konstantina | | | 1117 | GRE | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Anastasopoulos, Filippos | | | 1550 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Mitsiou, Georgios | | | 1081 | GRE | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Karagiannis, Emmanouil | | | 1183 | GRE | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Potoulis, Ioannis | | | 1155 | GRE | 0.50 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | 10th youth team under 12 champioship of ESSTH-HALK 2015 | Thessaloniki | GRE | 2015-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1172 | 1303 | 3.00 | 4 | 0.31 | 40 | 12.40 | |
| | Venetidis, Georgios | | | 1175 | GRE | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Kafantaris, Pavlos | | | 1124 | GRE | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Gavriilidis, Orestis | | | 1248 | GRE | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Tsouchnikas, Orestis | | | 1142 | GRE | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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