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Individual Calculations September 2021 |
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| Keren, Jonatan Total change: -92.80 | |   |
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| Liga Bet Haifa 2021 Round 9 | Various | ISR | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1670 | 0.50 | 1 | -0.06 | 40 | -2.40 | |
|  Broytman, Ilya | | | 1628 | ISR | 0.50 | 1 | -0.06 | 40 | -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) | | | | Maccabi Ramat Gan Chess Championship 2021 B | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1266 | 1665 | 0.50 | 3 | -2.26 | 40 | -90.40 | |
|  Sapir, Omri | | | 1265 * | ISR | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Goz, Shachar | | | 1265 * | ISR | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Iskoz, Daniel | | | 1267 | ISR | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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