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Individual Calculations April 2021 |
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| Qasem, Huda Total change: -50.80 | |   |
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| Liga Ilit Lenoar 2021 Group D Rounds 2-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1705 | 0.50 | 1 | 0.30 | 40 | 12.00 | |
|  Shetah, Roi | | | 1950 | ISR | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Israel girls chess championship u16 and u18 | Ashdod | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1536 | 1705 | 2.00 | 5 | -1.57 | 40 | -62.80 | |
|  Zusman, Tal | | | 1570 | ISR | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Sadka Darrell, Daria | | | 1486 | ISR | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Simchayev, Alexandra | | | 1541 | ISR | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Almog, Shani | | | 1394 | ISR | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Shaul Seidner, Liad | | | 1687 | ISR | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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