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Individual Calculations April 2020 |
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| Tambor, Dor Total change: 6.40 | |   |
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| Quarterfinals Israeli Championship Haifa 2019-20 - Group B Round 1-8 | Haifa | ISR | 2019-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1724 | 2.50 | 7 | 0.06 | 40 | 2.40 | |
|  Zorella, Benzion | | | 2042 | ISR | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Cherikovsky, Yuri | | | 1950 | ISR | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Golovchanskaya, Alina | | | 1688 | ISR | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Kleinman, Mark | | | 1569 | ISR | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Polak, Leonid | | | 1964 | ISR | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Vorobyev, Vladimir | | | 1828 | ISR | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Gruzman, Ilya | | | 1889 | ISR | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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) | | | NOTE: K factor changed | | Liga Beit Haifa 2020 Round 4 | Various | ISR | 2020-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1711 | 0.50 | 1 | 0.20 | 20 | 4.00 | |
| | Kotler, Zvi | | | 1859 | ISR | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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