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Individual Calculations January 2020 |
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| Duchan, Yoav Total change: -15.20 | |   |
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| Artzit Youth League - Central 2019/20 Round 6-7 | Various | ISR | 2019-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1490 | 1.00 | 1 | 0.34 | 40 | 13.60 | |
|  Korshenbaum, Lior | | | 1370 | ISR | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Israel Cadet Championship U11 Qualifiers 2019 - Center | Givatayim | ISR | 2019-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1199 | 1490 | 3.50 | 5 | -0.72 | 40 | -28.80 | |
| | Moscovitch, Michal | | | 1241 | ISR | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Ken-Dror, Renana | | | 1190 | ISR | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Shachak, Ido | | | 1169 | ISR | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Slutsky, Noam | | | 1207 | ISR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Sapir, Eytan | | | 1188 | ISR | 0.50 | 1 | -0.35 | 40 | -14.00 | |
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) | | |
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