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Individual Calculations April 2021 |
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| Zusman, Tal Total change: -14.80 | |   |
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| Liga Ilit Lenoar 2021 Group A Rounds 1-3 | Various | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1570 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Zemach, Nadav | | | 1970 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Israel girls chess championship u16 and u18 | Ashdod | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1533 | 1570 | 3.00 | 6 | -0.29 | 40 | -11.60 | |
|  Qasem, Huda | | | 1705 | ISR | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Fudim, Basya | | | 1433 | ISR | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Adlen, Noya | | | 1343 | ISR | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Simchayev, Alexandra | | | 1541 | ISR | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Shaul Seidner, Liad | | | 1687 | ISR | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Sadka Darrell, Daria | | | 1486 | ISR | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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) | | |
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