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Individual Calculations February 2023 |
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| Siskou, Evangelia Total change: 11.60 | |   |
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| 38th Christmas Cup 2022 A | Kavala | GRE | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1499 | 3.50 | 6 | -0.13 | 40 | -5.20 | |
|  Papakyriakou, Charalampos | | | 1462 | GRE | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Bakirtzis, Konstantinos | | | 1281 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Theodoridis, Charalampos | | | 1643 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Papakyriakou, Petros | | | 1099 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kalamoukou, Giolanta | | | 1661 | GRE | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Theodoridou, Maria | | | 1276 | GRE | 0.00 | 1 | -0.78 | 40 | -31.20 | | | * 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) | | | | 2nd International open SKG Chess Academy "White Tower" X-mas A | Thessaloniki | GRE | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1505 | 0.00 | 4 | -0.20 | 40 | -8.00 | |
| | Leftheriotis, Alexandros | | | 2052 | GRE | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Mixakis, Evangelos | | | 1900 | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Grapsa, Georgia | | wf | 1989 | GRE | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Tsironis, Alexandros | | | 1998 | GRE | 0.00 | 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) | | | | 5th open Nikolaos Giamarelos 2023 - A group | Chalkida | GRE | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1505 | 2.50 | 6 | 0.62 | 40 | 24.80 | |
| | Giannoulakis, Lampros | f | | 2351 | GRE | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Gkogka, Elvis | | | 1324 | GRE | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Betsakos, Konstantinos | | | 2039 | GRE | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Katsanis, Vasileios Dim | | | 1937 | GRE | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Choullis, Agisilaos Georgios | | | 1326 | GRE | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Tsotras, Ioannis | | | 1647 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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