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Individual Calculations September 2021 |
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| Levitan, Yaron Total change: -14.00 | |   |
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| Liga Bet Haifa 2021 Round 9 | Various | ISR | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1439 | 0.50 | 1 | 0.41 | 40 | 16.40 | |
|  Matsanov, Daniel | | | 1816 | ISR | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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) | | | | Max Mit Memorial 2021 B | Rishon Lezion | ISR | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1431 | 1.00 | 3 | -0.87 | 40 | -34.80 | |
|  Shefer, Alona | | | 1312 | ISR | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Umanskiy, Stanislav | | | 1455 | ISR | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Veinberg, Yoav | | | 1244 | ISR | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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) | | | | Israeli team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1431 | 3.50 | 6 | 0.11 | 40 | 4.40 | |
| | Ziv, Daniel | | | 1031 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Azoulay, Yehonatan | | | 1557 | ISR | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Zakin, Ilay | | | 1287 | ISR | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Wul, Kfir | | | 1516 | ISR | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Weber, Yonatan | | | 1384 | ISR | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Blonder, Daniel | | | 1428 | ISR | 1.00 | 1 | 0.50 | 40 | 20.00 | | | * 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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