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Individual Calculations September 2021 |
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| Friedland, Benzi Total change: -3.60 | |   |
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| Chess4all- Summer in Savyon B | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1136 | 0.50 | 3 | -0.37 | 20 | -7.40 | |
|  Alfi, Yosef | | | 1440 | ISR | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Semo, Sagy | | | 1097 | ISR | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Blumenthal, Uri | | | 1401 | ISR | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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 |
| 1349 | 1099 | 1.00 | 4 | 0.19 | 20 | 3.80 | |
| | Goz, Itay | | | 1318 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Tabach, Omer | | | 1287 | ISR | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Ken-Dror, Renana | | | 1291 | ISR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Tashkinova, Sofiia | | | 1499 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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