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Individual Calculations September 2021 |
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| Weber, Yonatan Total change: 23.20 | |   |
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| Chess4all- Summer in Savyon A | Savyon | ISR | 2021-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1374 | 2.00 | 3 | 1.66 | 40 | 66.40 | |
|  Alperovich, Asher | | | 1774 * | ISR | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Sitbon, Itay | | | 1774 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ashkenazi, Dror | | | 1638 | ISR | 1.00 | 1 | 0.82 | 40 | 32.80 | | | * 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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1384 | 2.00 | 5 | -1.08 | 40 | -43.20 | |
| | Harel Raz, Eden | | | 1100 | ISR | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Shifrin, Yonatan | | | 1220 | ISR | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Umanskiy, Stanislav | | | 1455 | ISR | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Kats, Itay | | | 1239 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Levitan, Yaron | | | 1431 | ISR | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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