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Individual Calculations January 2018 |
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| Perry, Tal Total change: -10.00 | |   |
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| Liga Noar Ilit North 2017-18 Round 5-7 | various | ISR | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1701 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
|  Yaniv, Ori | | | 1893 | ISR | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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