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Individual Calculations April 2020 |
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| Tadmor, Maya Total change: 1.80 | |   |
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| Israeli Open Junior Championship 2020 Rounds 1-8 | Kiryat Ono | ISR | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1641 | 2.00 | 8 | 0.18 | 20 | 3.60 | |
|  Cohen, Elad | | | 1914 | ISR | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Sobel, Ido | | | 1805 | ISR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Uritsky, Yonathan | | | 1956 | ISR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Shetah, Roi | | | 1847 | ISR | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Shapira, Gal | | | 1871 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ribstein, Orel | | | 1819 | ISR | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Sobel, Alon | | | 1780 | ISR | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Tal-Shahar, Liam | | | 1882 | ISR | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | Herzliya Winter 2020 Under 2000 | Herzliya | ISR | 2020-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1641 | 5.00 | 8 | -0.09 | 20 | -1.80 | |
| | Cohen, Yaacov | | | 1381 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Cohen, Dvir | | | 1501 | ISR | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Lahav, Doron | | | 1596 | ISR | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Ronnen, Ilay | | | 1844 | ISR | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Tenenbaum, Aharon | | | 1549 | ISR | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Rotshtein, Maxim | | | 1505 | ISR | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Michaeli, Omri | | | 1446 | ISR | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Keysar, Or | | | 1474 | ISR | 0.00 | 1 | -0.72 | 20 | -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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