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Individual Calculations September 2021 |
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| Barak, Gil Total change: 25.40 | |   |
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| Liga Alef Shfela 2021 Round 9 | Various | ISR | 2021-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2110 | 1.00 | 1 | 0.51 | 20 | 10.20 | |
|  Borsuk, Angela | m | wg | 2115 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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) | | | | Max Mit Memorial 2021 A | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2128 | 2.50 | 4 | 0.76 | 20 | 15.20 | |
|  Azoulay, Yehonatan | | | 1728 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kaspi, Alexander | m | | 2425 | ISR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Kupervaser, Erez | f | | 2384 | ISR | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Levitan, Tal | | | 2139 | ISR | 0.50 | 1 | 0.02 | 20 | 0.40 | | | * 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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