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Individual Calculations December 2021 |
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| Kostopoulos, Konstantinos Total change: -25.20 | |   |
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| Sunday's open plus30 Chess Square 2021 new dates | Athens | GRE | 2021-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1148 | 0.00 | 5 | -1.26 | 20 | -25.20 | |
|  Milias, Renos | | | 1548 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Papadimitriou, Ioannis Z. | | | 1548 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Manikas, Dimitrios | | | 1384 | GRE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Samaha, Elias | | | 1261 | GRE | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Karatzanos, Konstantinos | | | 1115 | GRE | 0.00 | 1 | -0.55 | 20 | -11.00 | | | * 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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