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Rapid:
Individual Calculations December 2021 |
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| Kuperman, Boris Total change: 10.00 | |   |
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| Israel National Cup 2021 | Jerusalem | ISR | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1720 | 1.50 | 3 | 0.50 | 20 | 10.00 | |
|  Magen, Maxim | | | 1994 | ISR | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Lian, Marina | | | 1756 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Idesis, Yaacov | | | 1806 | ISR | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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