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Individual Calculations August 2021 |
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| Gradenwitz, Oded Total change: 7.80 | |   |
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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 |
| 1660 | 1621 | 1.50 | 5 | -0.80 | 20 | -16.00 | |
|  Rozen, Guy | | | 1946 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Leib, Yoni | | | 1702 | ISR | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Kochavi, Dana | | | 1717 | ISR | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Medovoy, Yaniv | | | 1463 | ISR | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Taragan, Uri | | | 1474 | ISR | 0.00 | 1 | -0.70 | 20 | -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) | | | | Herzliya Summer Open July 2021 | Herzliya | ISR | 2021-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1623 | 2.50 | 4 | 0.77 | 20 | 15.40 | |
| | Barzilai, Moshe | | | 1257 | ISR | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Welt, Chanan | | | 1559 | ISR | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Mdivani, Maka | | | 1951 | ISR | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Amit, Eli | | | 1969 | ISR | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Liga Alef Hadarim 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1623 | 1.50 | 2 | 0.42 | 20 | 8.40 | |
| | Kopaloff, Liam | | | 1682 | ISR | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Neeman, Ori | | | 1507 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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