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Individual Calculations September 2023 |
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| Shalev, Ido Total change: -104.00 | |   |
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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 |
| 1451 | 1455 | 2.50 | 7 | -0.99 | 40 | -39.60 | |
|  Regev, Berry | | | 1091 | ISR | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Zakin, Lior | | | 1376 | ISR | 0.50 | 1 | -0.11 | 40 | -4.40 | |  Qasem, Muhamad Mody | | | 1582 | ISR | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Khairova, Evelina | | | 1441 | ISR | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Kedar, Shilo | | | 1315 | ISR | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Goz, Shachar | | | 1703 | ISR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Pearl, Oliver | | | 1651 | AUS | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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 |
| 1358 | 1455 | 1.50 | 5 | -1.61 | 40 | -64.40 | |
| | Shapurkar, Amir | | | 1289 | ISR | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Barazovsky, Tamar | | | 1147 | ISR | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Klein, Yoav | | | 1383 | ISR | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Keren, Jonatan | | | 1652 | ISR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Goldstein, Asaf | | | 1318 | ISR | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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