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Individual Calculations September 2017 |
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| Aharon, Ofir Total change: -43.40 | |   |
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| Kfar Saba Weekend 2017 A | Kfar Saba | ISR | 2017-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2343 | 2.50 | 5 | -0.67 | 20 | -13.40 | |
|  Gorshtein, Ido | | | 2145 | ISR | 0.00 | 1 | -0.76 | 20 | -15.20 | |  Musyuk, Lior | | | 2086 | ISR | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Aroesti, Roee | | | 2311 | ISR | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Zak, Uriel | m | | 2255 | ISR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Shachar, Ehud | f | | 2396 | ISR | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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 Festival 2017 Open A | Herzliya | ISR | 2017-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2343 | 3.00 | 6 | -1.50 | 20 | -30.00 | |
| | Sokolovsky, Yahli | | | 1943 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Baron, Tal | g | | 2559 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Milikow, Yoav | | | 2137 | ISR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Vardi, Shlomit | | | 1950 | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lukin, Elisha | | | 2085 | ISR | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Zhimalov, Adam | | | 2036 | ISR | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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) | | |
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