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Individual Calculations August 2021 |
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| Shwarchbard, Zvi Total change: -48.80 | |   |
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| Kiryat Ono Start of Summer 2021 A | Kiryat Ono | ISR | 2021-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1802 | 2.00 | 5 | -1.03 | 20 | -20.60 | |
|  Lahav, Michal | | wm | 2202 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Ostrovsky Berman, Noam | | | 1583 | ISR | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Qasem, Muhamad Mody | | | 1467 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Duchan, Yoav | | | 1512 | ISR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Verny, David | | | 1837 | ISR | 0.50 | 1 | 0.05 | 20 | 1.00 | | | * 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) | | | | Liga Alef Hadarim 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1777 | 0.50 | 1 | -0.16 | 20 | -3.20 | |
| | Israeli, Chen | | | 1662 | ISR | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | 11th Kiryat Ono Summer Festival Open B | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1777 | 2.50 | 5 | -1.25 | 20 | -25.00 | |
| | Meirovich, Ilay | | | 1419 | ISR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Ben-Dov, Yoav | | | 1792 | ISR | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Hasson Shreger, Shalev | | | 1454 | ISR | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Dezent, Eyal | | | 1672 | ISR | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Medovoy, Yaniv | | | 1471 | ISR | 0.00 | 1 | -0.86 | 20 | -17.20 | |
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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