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Individual Calculations August 2021 |
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| Har-Even, Abir Total change: 17.80 | |   |
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| National Seniors championship Semifinal Herzliya A | Herzliya | ISR | 2021-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 2070 | 4.50 | 5 | 0.73 | 20 | 14.60 | |
|  Tenenbaum, Aharon | | | 1670 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Priel, Benny | | | 1724 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Malin, Uri | | | 2048 | ISR | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Lagon, Michael | | | 1882 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Cnaan, Moshe | | | 1930 | ISR | 0.50 | 1 | -0.19 | 20 | -3.80 | | | * 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) | | | | Liga Arzit Darom 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2070 | 1.00 | 2 | 0.16 | 20 | 3.20 | |
| | Uritsky, Yonathan | | | 2102 | ISR | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Katkov, Michelle | | wf | 2154 | ISR | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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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