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Individual Calculations January 2020 |
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| Erdei, Lajos Jr. Total change: 8.60 | |   |
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| 19th Amateur Open 2019 | Gyor | HUN | 2019-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1919 | 4.50 | 5 | 0.43 | 20 | 8.60 | |
|  Vizkeleti, Peter | | | 1519 * | HUN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vasvari, Attila | | | 1530 | HUN | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Toth, Lili | | | 1572 | HUN | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Csidey, Csongor | | | 1828 | HUN | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Kovarikova, Maria | | wc | 1745 | SVK | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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