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Individual Calculations February 2018 |
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| Kefallinos, Ioannis Total change: -41.00 | |   |
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| Christmas Open APO Kotinos 2017 | ATHENS | GRE | 2017-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1380 | 2.00 | 6 | 0.04 | 20 | 0.80 | |
|  Theodoulidis, Vasilios | | | 1721 | GRE | 1.00 | 1 | 0.88 | 20 | 17.60 | |  Sienczewski, Zbigniew | | | 1780 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Foutouhos, Spyridon | | | 1512 | GRE | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Nomikos, Giorgos | | | 1620 | GRE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Kapnaki, Charikleia | | | 1028 | GRE | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Iatrou, Konstantinos | | | 1492 | GRE | 0.00 | 1 | -0.35 | 20 | -7.00 | | | * 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) | | | | New Year's Open 2018 SO Ampelokipon - SO Thomas Georgiou | ATHENS | GRE | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1391 | 2.50 | 8 | -2.09 | 20 | -41.80 | |
| | Girvalakis, Spyridon | | | 1791 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Vitalis, Aggelos | | | 1031 | GRE | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Gkika, Marina | | | 1095 | GRE | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Efthimiou, Georgios | | | 1745 | GRE | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Papadopoulou, Marilena | | | 1216 | GRE | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Poupalos, Nikolaos | | | 1157 | GRE | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Mihaloudis, Georgios | | | 1546 | GRE | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Kouinelis, Thomas | | | 1107 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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