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Rapid:
Individual Calculations January 2020 |
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| Ehrlich, Roy Total change: 26.20 | |   |
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| Shachar Arad Memorial Rapid 30.11.2019 - A | Kfar Saba | ISR | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 1934 | 3.00 | 5 | 1.31 | 20 | 26.20 | |
|  Khmelniker, Ilya | g | | 2331 | ISR | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Malachi, Avraham | | | 1872 | ISR | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Gorodetzky, Matan | f | | 2163 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Tal, Rami | | | 1877 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Zak, Uriel | m | | 2147 | ISR | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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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