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Individual Calculations September 2021 |
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| Poupalos, Ionas Total change: -22.80 | |   |
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| 14th International Tournament of Palaiochora 2021 | Palaiochora | GRE | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1141 | 0.00 | 4 | -0.98 | 40 | -39.20 | |
|  Tetepoulidis, Ioannis | | | 1541 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kouta, Antonia | | | 1541 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mavromoustakos, Thomas | | | 1446 | GRE | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kopylov, Diana | | | 1006 | GER | 0.00 | 1 | -0.68 | 40 | -27.20 | | | * 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) | | | | 30th International open of Kavala 2021 - C group | Kavala | GRE | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1070 | 1101 | 0.50 | 1 | -0.04 | 40 | -1.60 | |
| | Ntoumpouridis, Marios Eftychios | | | 1070 | GRE | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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) | | | | 28th International Open Nikaia 2021 Honour to National Resistance - Group B | Nikaia | GRE | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1101 | 2.00 | 5 | 0.45 | 40 | 18.00 | |
| | Kazantzoglou, Nikolaos | | | 1364 | GRE | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Pletsia, Konstantina | | | 1223 | GRE | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Eirinidis, Dimitrios | | | 1141 | GRE | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Sidiropoulos, Georgios | | | 1241 | GRE | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Vergoulis, Konstantinos Efraim | | | 1258 | GRE | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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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