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Individual Calculations December 2021 |
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| Efkarpidis, Stylianos Total change: -3.80 | |   |
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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 |
| 1577 | 1200 | 0.00 | 2 | -0.19 | 20 | -3.80 | |
|  Deli, Eleanna Ratzvika | | | 1600 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Koutsompinas, Georgios | | | 1554 | GRE | 0.00 | 1 | -0.11 | 20 | -2.20 | | | * 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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