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Individual Calculations April 2021 |
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| Waisberg, Arnold Total change: -36.80 | |   |
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| Rishon Lezion automn 2020-21 upto 1800 | Rishon Lezion | ISR | 2020-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1714 | 1.50 | 4 | -1.84 | 20 | -36.80 | |
|  Boiko, Keren | | | 1314 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sternfeld, Tomer | | | 1348 | ISR | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Shefer, Uri | | | 1461 | ISR | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Lapushnian, Maya | | | 1552 | ISR | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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) | | |
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