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Individual Calculations September 2023 |
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| Grapsa, Georgia Total change: -22.60 | |   |
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| 32nd International open of Kavala Vasilis Theodoridis- A group | Kavala | GRE | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 1944 | 2.50 | 8 | 0.21 | 20 | 4.20 | |
|  Ipek, Egehan | c | | 2258 | TUR | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Kosmidis, Ioannis | | | 2141 | GRE | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Jankowiak, Tomasz | c | | 2216 | POL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Spyratos, Nikolaos | | | 2067 | GRE | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Argote Heredia, Valentina | | wm | 2227 | COL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Amiridou, Dimitra | | | 1861 | GRE | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Triantafilidis, Mihail | | | 2088 | GRE | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Petreski, Leonid | | | 2074 | MKD | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | 3rd International tournament Thessaloniki - A group | Thessaloniki | GRE | 2023-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1941 | 4.50 | 9 | -1.34 | 20 | -26.80 | |
| | Rahman, Ziaur | g | | 2448 | BAN | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Dristellas, Neoklis | | | 1825 | GRE | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Voutsas, Leonidas | | | 1713 | GRE | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Kolytas, Spiridon | | | 1790 | GRE | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Theoharidis, Georgios | | | 1855 | GRE | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Siskou, Evangelia | | | 1677 | GRE | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Lampou, Marianta | | | 1541 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mihailidou, Magdalini | | | 1827 | GRE | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Toliopoulos, Konstantinos | | | 1849 | GRE | 0.50 | 1 | -0.13 | 20 | -2.60 | | | * 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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