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Individual Calculations September 2023 |
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| Parkhov, Koren Total change: 10.80 | |   |
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| 2023 Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2023-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1356 | 2.50 | 6 | -0.59 | 40 | -23.60 | |
|  Khairova, Evelina | | | 1441 | ISR | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Ziv, Daniel | | | 1168 | ISR | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Kaminetsky, Asaf | | | 1137 | ISR | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Sagi, Elisha | | | 1615 | ISR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wexler, Guy | | | 1168 | ISR | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Brenner, Bar | | | 1534 | ISR | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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 Championship under 18- 2023 | Rishon le Zion | ISR | 2023-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1356 | 1.50 | 5 | 0.86 | 40 | 34.40 | |
| | Soybert, Ori | | | 1764 | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kopaloff, Liam | | | 1687 | ISR | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Barak, Tomer | | | 1744 | ISR | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Shandalov, Gavriel | | | 1695 | ISR | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Sason, Noam | | | 1563 | ISR | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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