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Individual Calculations September 2021 |
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| Wul, Kfir Total change: -23.60 | |   |
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| Maccabi Ramat Gan Chess Championship 2021 B | Ramat Gan | ISR | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1362 | 1516 | 1.50 | 3 | -0.59 | 40 | -23.60 | |
|  Veinberg, Yoav | | | 1244 | ISR | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Sason, Noam | | | 1496 | ISR | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Parkhov, Koren | | | 1345 | ISR | 0.50 | 1 | -0.23 | 40 | -9.20 | |
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 team U14 championship, Nahum Naftali memorial | Afula | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1516 | 3.50 | 4 | 0.73 | 40 | 29.20 | |
| | Goldman, Evelin | | | 1116 * | ISR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Levitan, Yaron | | | 1431 | ISR | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Azoulay, Yehonatan | | | 1557 | ISR | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Zakin, Ilay | | | 1287 | ISR | 0.50 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | | | Israeli Youth Team Championship U-18 2021 | Green Village | ISR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1199 | 1516 | 1.00 | 2 | -0.73 | 40 | -29.20 | |
| | Schmeisser, Matan | | | 1221 | ISR | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Gilev, Arthur | | | 1176 | ISR | 0.50 | 1 | -0.38 | 40 | -15.20 | |
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) | | |
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