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Individual Calculations August 2021 |
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| Kochavi, Ori Total change: -9.20 | |   |
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| Summer 2021 Petah Tikva A | Petah Tikva | ISR | 2021-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2317 | 5.50 | 7 | 0.77 | 20 | 15.40 | |
|  Hertz, Yaniv | | | 1965 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Shteiman, Yuval | | | 1931 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Ehrlich, Roy | | | 2204 | ISR | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Ben Ari, Yannay | f | | 2387 | ISR | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Levin, Guy | f | | 2380 | ISR | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Sherman, Reem | | | 1971 | ISR | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Aharon, Ofir | f | | 2258 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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 Arzit Darom 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2214 | 2323 | 1.50 | 2 | 0.20 | 20 | 4.00 | |
| | Palgi, Niv | | | 2207 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Polyakov, Alex | | | 2220 | ISR | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | 11th Kiryat Ono Summer Festival Open A | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2323 | 2.00 | 5 | -1.43 | 20 | -28.60 | |
| | Dvir, Ofir | | | 2073 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Noy, Eyal | | | 2034 | ISR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Sherman, Reem | | | 1980 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Bakalchuk, Johnatan | m | | 2435 | ISR | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Shutzman, Joseph | f | | 2285 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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