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Individual Calculations August 2021 |
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| Zalkind, Konstantin Total change: 37.00 | |   |
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| Liga Arzit Zafon 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2130 | 1.00 | 1 | 0.61 | 20 | 12.20 | |
|  Newman, Ori | | | 2208 | ISR | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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 A | Kiryat Ono | ISR | 2021-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2329 | 2130 | 2.50 | 5 | 1.24 | 20 | 24.80 | |
| | Kupervaser, Erez | f | | 2372 | ISR | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Tzidkiya, Yeshaayahu | f | | 2394 | ISR | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Iliaguev, Nisim | f | | 2364 | ISR | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Ben Artzi, Ido | m | | 2358 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Tratatovici, Dan | | | 2157 | ISR | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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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