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Individual Calculations January 2020 |
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| Tsafrir, Ori Total change: -5.20 | |   |
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| Israel Youth Championship U13 Qualifiers 2019 - South | Ashdod | ISR | 2019-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1263 | 1430 | 2.00 | 3 | -0.13 | 40 | -5.20 | |
|  Tsafrir, Itay | | | 1163 | ISR | 0.00 | 1 | -0.82 | 40 | -32.80 | |  Laikind, Koral | | | 1253 | ISR | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Shvartsburd, Rebekka | | | 1374 | ISR | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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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