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Individual Calculations September 2023 |
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| Huhndorf, Arnold Total change: -31.40 | |   |
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| Hennefer Elo-Sommer-Open 2023 | Hennef | GER | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2107 | 4.00 | 5 | 1.07 | 20 | 21.40 | |
|  Pick, Stefan | | | 1923 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Suranyi, Pal | | | 2017 | HUN | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Rosskothen, Arnd | | | 2107 | GER | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Grabowski, Pawel | f | | 2232 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Tuhacek, Christian | | | 1919 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | 45th International Open - Memorial Georgi Tringov | Plovdiv | BUL | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 2107 | 4.50 | 8 | -2.64 | 20 | -52.80 | |
| | Pehlivanova, Aleksandra | | | 1707 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ignatov, Bojidar | | | 1657 | BUL | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Petkova, Irina | | | 1649 | BUL | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Mantazis, Georgios Rafail | | | 1653 | GRE | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Iliev, Hristiyan | | | 1873 | BUL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Mikov, Simeon | | | 1763 | BUL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Kyriakidis, Orestis | | | 1819 | GRE | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Kolev, Hristian | | | 1767 | BUL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | * 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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