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Individual Calculations August 2021 |
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| Patt, Zafrir Total change: -49.40 | |   |
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| Herzliya Summer Open July 2021 | Herzliya | ISR | 2021-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1726 | 1.00 | 4 | -1.87 | 20 | -37.40 | |
|  Shapira, Tamir | | | 1581 | ISR | 0.00 | 1 | -0.69 | 20 | -13.80 | |  Khatib, Mahmood | | | 1562 | ISR | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Welt, Chanan | | | 1559 | ISR | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Cohen, Dvir | | | 1542 | ISR | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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 Sharon 2021 Rounds 7-8 | Various | ISR | 2021-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1726 | 0.00 | 1 | -0.60 | 20 | -12.00 | |
| | Glatt, Guy | | | 1657 | ISR | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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