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Individual Calculations November 2023 |
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| Kofidis, Spyridon Total change: -13.40 | |   |
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| 2023 IBCA World Individual Chess Championship for the Blind and Visually Impaired | Rhodes | GRE | 2023-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 2103 | 5.50 | 9 | -0.67 | 20 | -13.40 | |
|  Boer, Jan | | | 1703 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Perttula, Juha | | | 1890 | FIN | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Georgiev, Todor St. | | | 1779 | BUL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Grybas, Gintaras | | | 1920 | LTU | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Harnandan, Sergio | | | 1863 | NED | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Magnusson, Jorgen | f | | 2240 | SWE | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Chojnowski, Marcin | | | 1992 | POL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Dobierzin, Olaf | | | 2006 | GER | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Adiyaman, Rene | | | 2122 | GER | 0.00 | 1 | -0.47 | 20 | -9.40 | | | * 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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