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Individual Calculations September 2021 |
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| Zusman, Tal Total change: 82.80 | |   |
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| Liga Bet Haifa 2021 Round 9 | Various | ISR | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1543 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Shevelevnast, Mark | | | 1943 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Green Village Secondary Summer 2021 Tournament | Green Village | ISR | 2021-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1543 | 4.00 | 5 | 1.54 | 40 | 61.60 | |
| | Tenenbaum, Aharon | | | 1549 | ISR | 0.50 | 1 | 0.01 | 40 | 0.40 | |  Sakhin, Alexey | | | 1452 | ISR | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Barkai, Uri | | | 1528 | ISR | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Eskenazi, Joy | | | 1728 | ISR | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Neeman, Ori | | | 1493 | ISR | 1.00 | 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) | | | | Israeli Youth Team Championship U-18 2021 | Green Village | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1543 | 2.00 | 2 | 0.61 | 40 | 24.40 | |
| | Shtekler, Itamar | | | 1349 | ISR | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Gilad, Tomer | | | 1442 | ISR | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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) | | |
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