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Individual Calculations February 2018 |
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| Perrou, Sofia Total change: -47.80 | |   |
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| Christmas chess tournament D Maragkoudakis - S Mpikos memorial 2017 | Ilioupoli | GRE | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1263 | 1149 | 1.00 | 4 | -0.50 | 20 | -10.00 | |
|  Grigoriadis, Mihail | | | 1549 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bouzas, Sotirios | | | 1256 | GRE | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Poupalos, Nikolaos | | | 1085 | GRE | 1.00 | 1 | 0.41 | 20 | 8.20 | |  Soukarie, Zorz | | | 1160 | GRE | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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 |
| 1249 | 1153 | 1.00 | 7 | -1.89 | 20 | -37.80 | |
| | Banos, Polyhronis | | | 1553 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mogylnyak, Georgiy Yaroslav | | | 1457 | GRE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Koulis, Vasileios | | | 1551 | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kazantzoglou, Aristotelis | | | 1036 | GRE | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Karapappas, Nikolaos | | | 1015 | GRE | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Kazantzoglou, Stefanos | | | 1017 | GRE | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Amiris, Emmanouil | | | 1112 | GRE | 0.00 | 1 | -0.56 | 20 | -11.20 | | | * 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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