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Individual Calculations January 2020 |
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| Boulamatsis, Konstantinos I Total change: -0.80 | |   |
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| 2019 Attica youth U12 team championship | ESSNA | GRE | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1122 | 1365 | 1.50 | 3 | -0.91 | 40 | -36.40 | |
|  Palatianos, Petros | | | 1092 | GRE | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Lyrakis, Georgios | | | 1154 | GRE | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Zavalis, Nikiforos Nikolaos | | | 1119 | GRE | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | Celebration open Nov 2019 Chess Square | Athens | GRE | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1365 | 3.00 | 5 | 0.89 | 40 | 35.60 | |
| | Drakoulakos, Grigorios | f | | 1765 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Berdos, Konstantinos | | | 1154 | GRE | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Tragoudaras, Nikolaos | | | 1472 | GRE | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Fragkos, Vasileios | | | 1765 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Apergis, Vasileios | | | 1095 | GRE | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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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