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Individual Calculations January 2020 |
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| Mazar, Ariel Total change: -13.00 | |   |
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| Israeli National Open Championship - 2019 | Jerusalem | ISR | 2019-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1831 | 2.50 | 6 | -0.65 | 20 | -13.00 | |
|  Baron, Tal | g | | 2231 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Tadmor, Maya | | | 1599 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Leor, Ephraim | | | 1704 | ISR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Har-Even, Abir | | | 2104 | ISR | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Kochavi, Dana | | | 1445 | ISR | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Levin, Natan | | | 1807 | ISR | 1.00 | 1 | 0.47 | 20 | 9.40 | | | * 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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