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Individual Calculations July 2017 |
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| Dermatas, Marios Total change: 30.20 | |   |
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| 2nd open tournament SYNERGASIA 2017 | Athens | GRE | 2017-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1493 | 3.00 | 7 | 1.62 | 20 | 32.40 | |
|  Sienczewski, Zbigniew | | | 1893 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Spalas, Symeon Konstaninos | | | 1647 | GRE | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Seferis, Georgios | | | 1612 | GRE | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Maragkakis, Michail | | | 1711 | GRE | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Atanasov, Margarit | | | 1893 * | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Pelekis, Georgios | | | 1826 | GRE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Hatzistamatiou, Nikolaos | | | 1690 | GRE | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * 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) | | | | 3rd open Peiraikos OS 2017 | Piraeus | GRE | 2017-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1493 | 1.50 | 4 | -0.11 | 20 | -2.20 | |
| | Sklavounos, Panayotis | | | 1840 | GRE | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Tsomis, Dimitrios | f | | 1893 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Papadopoulos, Michail 46996 | | | 1366 | GRE | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Trapalis, Theodoros | | | 1303 | GRE | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | |
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