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Individual Calculations September 2023 |
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| Taragan, Uri Total change: -1.20 | |   |
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| ISRAEL CHESS CHAMPIONSHIP UNDER 20 | Kfar Saba | ISR | 2023-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1726 | 3.50 | 9 | 0.66 | 40 | 26.40 | |
|  Kochavi, Dana | | wf | 2032 | ISR | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Uritsky, Yonathan | | | 2175 | ISR | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Goodinger, David | | | 1528 | ISR | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Shefer, Uri | | | 1860 | ISR | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Michaeli, Omri | | | 2050 | ISR | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ribstein, Orel | | | 2014 | ISR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Laor, Jason Ethan | | | 1750 | ISR | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Brezis, Ari | | | 1871 | ISR | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Gilad, Tomer | | | 1735 | ISR | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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) | | | | Israeli Team Championship under 18- 2023 | Rishon le Zion | ISR | 2023-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1726 | 3.00 | 5 | -0.69 | 40 | -27.60 | |
| | Aluf, Omer | | | 1332 | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gleizer, Lior | | | 1636 | ISR | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Qasem, Muhamad Mody | | | 1582 | ISR | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Dorfman, Michael | | | 1326 * | ISR | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Shandalov, Gavriel | | | 1695 | ISR | 0.50 | 1 | -0.04 | 40 | -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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