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Individual Calculations April 2021 |
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| Beitner, Yehonatan Total change: -36.10 | |   |
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| Liga Artzit Lenoar Merkaz yom chol 2021 Group A Rounds 2-3 | Varilus | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1275 | 0.00 | 2 | -0.67 | 38 | -25.46 | |
|  Adler, Ran | | | 1398 | ISR | 0.00 | 1 | -0.33 | 38 | -12.54 | |  Ben Hemo, Guy | | | 1393 | ISR | 0.00 | 1 | -0.34 | 38 | -12.92 | |
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) | | | | Israel Youth Championship Finals 2021 U12 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1275 | 3.00 | 8 | -0.14 | 38 | -5.32 | |
| | Afek, Itay | | | 1383 | ISR | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Ostrovsky Berman, Noam | | | 1573 | ISR | 0.00 | 1 | -0.15 | 38 | -5.70 | | | Yaroslavsky, Adam David | | | 1301 | ISR | 1.00 | 1 | 0.54 | 38 | 20.52 | | | Shefer, Uri | | | 1471 | ISR | 0.00 | 1 | -0.25 | 38 | -9.50 | | | Goz, Shachar | | | 1218 | ISR | 0.00 | 1 | -0.58 | 38 | -22.04 | | | Azoulay, Yehonatan | | | 1561 | ISR | 1.00 | 1 | 0.84 | 38 | 31.92 | | | Shachak, Ido | | | 1265 | ISR | 0.00 | 1 | -0.51 | 38 | -19.38 | | | Krupnik, Benaya | | | 1142 | ISR | 0.50 | 1 | -0.18 | 38 | -6.84 | |
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) | | | | Israel girls chess championship under 12 | Ashdod | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1275 | 3.00 | 8 | -0.14 | 38 | -5.32 | |
| | Afek, Itay | | | 1383 | ISR | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Ostrovsky Berman, Noam | | | 1573 | ISR | 0.00 | 1 | -0.15 | 38 | -5.70 | | | Yaroslavsky, Adam David | | | 1301 | ISR | 1.00 | 1 | 0.54 | 38 | 20.52 | | | Shefer, Uri | | | 1471 | ISR | 0.00 | 1 | -0.25 | 38 | -9.50 | | | Goz, Shachar | | | 1218 | ISR | 0.00 | 1 | -0.58 | 38 | -22.04 | | | Azoulay, Yehonatan | | | 1561 | ISR | 1.00 | 1 | 0.84 | 38 | 31.92 | | | Shachak, Ido | | | 1265 | ISR | 0.00 | 1 | -0.51 | 38 | -19.38 | | | Krupnik, Benaya | | | 1142 | ISR | 0.50 | 1 | -0.18 | 38 | -6.84 | |
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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