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Individual Calculations April 2021 |
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| Ostrovsky Berman, Noam Total change: 2.16 | |   |
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| Liga Artzit Lenoar Gush Dan 2021 Group B Rounds 2-3 | Varilus | ISR | 2021-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1573 | 1.00 | 1 | 0.26 | 36 | 9.36 | |
|  Blonder, Daniel | | | 1390 | ISR | 1.00 | 1 | 0.26 | 36 | 9.36 | |
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 |
| 1418 | 1573 | 6.00 | 9 | -0.10 | 36 | -3.60 | |
|  Kfir, Nadav | | | 1226 | ISR | 1.00 | 1 | 0.11 | 36 | 3.96 | | | Blumenthal, Michael | | | 1416 | ISR | 0.50 | 1 | -0.21 | 36 | -7.56 | | | Beitner, Yehonatan | | | 1275 | ISR | 1.00 | 1 | 0.15 | 36 | 5.40 | | | Berlad, Asaf | | | 1221 | ISR | 0.00 | 1 | -0.89 | 36 | -32.04 | | | Shachak, Ido | | | 1265 | ISR | 1.00 | 1 | 0.14 | 36 | 5.04 | | | Dezent, Eyal | | | 1620 | ISR | 1.00 | 1 | 0.57 | 36 | 20.52 | | | Ribstein, Orel | | | 1802 | ISR | 0.00 | 1 | -0.21 | 36 | -7.56 | | | Kirsch, Yahel David | | | 1594 | ISR | 0.50 | 1 | 0.03 | 36 | 1.08 | | | Magen, Ofek | | | 1346 | ISR | 1.00 | 1 | 0.21 | 36 | 7.56 | |
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 |
| 1418 | 1573 | 6.00 | 9 | -0.10 | 36 | -3.60 | |
| | Kfir, Nadav | | | 1226 | ISR | 1.00 | 1 | 0.11 | 36 | 3.96 | | | Blumenthal, Michael | | | 1416 | ISR | 0.50 | 1 | -0.21 | 36 | -7.56 | | | Beitner, Yehonatan | | | 1275 | ISR | 1.00 | 1 | 0.15 | 36 | 5.40 | | | Berlad, Asaf | | | 1221 | ISR | 0.00 | 1 | -0.89 | 36 | -32.04 | | | Shachak, Ido | | | 1265 | ISR | 1.00 | 1 | 0.14 | 36 | 5.04 | | | Dezent, Eyal | | | 1620 | ISR | 1.00 | 1 | 0.57 | 36 | 20.52 | | | Ribstein, Orel | | | 1802 | ISR | 0.00 | 1 | -0.21 | 36 | -7.56 | | | Kirsch, Yahel David | | | 1594 | ISR | 0.50 | 1 | 0.03 | 36 | 1.08 | | | Magen, Ofek | | | 1346 | ISR | 1.00 | 1 | 0.21 | 36 | 7.56 | |
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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