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Individual Calculations December 2018 |
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| Tsafrir, Ori Total change: 19.60 | |   |
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| Jeruchess Club Championship U1800 | Jerusalem | ISR | 2018-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1420 | 2.00 | 4 | 0.49 | 40 | 19.60 | |
|  Nadav, Avinoam | | | 1328 | ISR | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Yehoshua, Azgad | | | 1768 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Heimann, Ido | | | 1377 | ISR | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Gokhvat, Yoseph | | | 1654 | ISR | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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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