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Individual Calculations August 2015 |
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| Parkhov, Yair Total change: 20.00 | |   |
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| Rehovot Summer Tournament 2000+ 2015 | Rehovot | ISR | 2015-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 2061 | 2.50 | 5 | -0.30 | 40 | -12.00 | |
|  Zinovyev, Michael | | | 2039 | ISR | 0.50 | 1 | -0.03 | 40 | -1.20 | |  Zlatin, Alexander | | | 1965 | ISR | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Kogan, Vladimir | | | 2051 | ISR | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Bronstein, Or | | | 2073 | ISR | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Lahav, Michal | | | 1953 | ISR | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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) | | | | Kiryat Ono Summer 2015 Open A | Kiryat Ono | ISR | 2015-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2062 | 2.00 | 5 | 0.80 | 40 | 32.00 | |
| | Haimovich, Tal | m | | 2361 | ISR | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Zalkind, Konstantin | f | | 2249 | ISR | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Axelrod, Arie | f | | 2285 | ISR | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Gamayev, Oleg | | | 2230 | ISR | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Libman, Guy | | | 2219 | ISR | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | |
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