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Individual Calculations April 2023 |
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| Giannakis, Ioannis Total change: -17.00 | |   |
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| 11th open PAO Chess Club 2023 | Athens | GRE | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1485 | 1.00 | 4 | -0.97 | 20 | -19.40 | |
|  Kazantzoglou, Stefanos | | | 1943 | GRE | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Perakaki, Makrina-Eirini | | | 1247 | GRE | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Bezirgiannidis, Christos | | | 1085 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ntounias, Ioannis | | | 1721 | GRE | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | | | 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1151 | 1485 | 1.00 | 1 | 0.12 | 20 | 2.40 | |
| | Skaros, Periklis | | | 1151 | GRE | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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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