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Individual Calculations January 2020 |
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| Zak, Arad Total change: -1.20 | |   |
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| Israeli National Open Championship - 2019 | Jerusalem | ISR | 2019-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2076 | 4.00 | 8 | -0.06 | 20 | -1.20 | |
|  Jonas, Joseph | | | 1676 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Har-Even, Abir | | | 2104 | ISR | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Tifferet, Shaked | f | | 2232 | ISR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Freiman, Mark | | | 1724 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Birnboim, Nathan | m | | 2393 | ISR | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Friedland, Moshe | f | | 2267 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Levitan, Ronit | | wc | 1876 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Shtemler, Lavi | | | 2181 | ISR | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * 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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