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Individual Calculations February 2023 |
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| Ergazakis, Ioannis Total change: -6.60 | |   |
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| 5th open Nikolaos Giamarelos 2023 - A group | Chalkida | GRE | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 2196 | 5.00 | 7 | -0.33 | 20 | -6.60 | |
|  Papakyriakou, Charalampos | | | 1796 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tsotras, Ioannis | | | 1647 | GRE | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Katsanis, Vasileios Dim | | | 1937 | GRE | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Berbatis, Antonios | | | 1850 | GRE | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Stefanou, Konstantinos | | | 2052 | GRE | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Naoum, Spyridon | | | 2318 | GRE | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Betsakos, Konstantinos | | | 2039 | GRE | 0.50 | 1 | -0.21 | 20 | -4.20 | | | * 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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