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Individual Calculations April 2021 |
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| Perelman, Eric Total change: 40.00 | |   |
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| Israel Youth Championship Finals 2021 U12 - Israel Eshel Memorial | Hakfar Hayarok | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1136 | 1.50 | 6 | 0.50 | 40 | 20.00 | |
|  Magen, Ofek | | | 1346 | ISR | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Manyevich, Rom | | | 1397 | ISR | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Gilor, Amit | | | 1340 | ISR | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Afek, Itay | | | 1383 | ISR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rabinovich, Yoav | | | 1536 * | ISR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Azoulay, Yehonatan | | | 1536 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Israel girls chess championship under 12 | Ashdod | ISR | 2021-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1136 | 1.50 | 6 | 0.50 | 40 | 20.00 | |
| | Magen, Ofek | | | 1346 | ISR | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Manyevich, Rom | | | 1397 | ISR | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Gilor, Amit | | | 1340 | ISR | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Afek, Itay | | | 1383 | ISR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rabinovich, Yoav | | | 1536 * | ISR | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Azoulay, Yehonatan | | | 1536 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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