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Individual Calculations September 2023 |
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| Kalkowski, Igor Total change: -2.80 | |   |
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| Riga Technical University Open 2023 - Tournament B | Riga | LAT | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 2034 | 6.50 | 9 | -0.14 | 20 | -2.80 | |
|  Zielinski, Marcin | | | 1634 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mirek, Sebastian | | | 1505 | POL | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Beniosev, Daniel | | | 1496 | LAT | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Grivnieks, Alberts | | | 1902 | LAT | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Bergstrom, Assar | | | 1630 | SWE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Obrochta, Lena | | | 1685 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Maratkanov, Evgeny | | | 2106 | UKR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Lagerborg, Krister | | | 2119 | SWE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Katishonok, Nikolaj | f | | 2027 | LAT | 0.00 | 1 | -0.51 | 20 | -10.20 | | | * 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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