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Individual Calculations September 2015 |
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| Zirkel, Dan Total change: -160.80 | |   |
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| Jeruchess Summer Championship 2015 over 2000 | Jerusalem | ISR | 2015-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1857 | 0.00 | 8 | -2.83 | 40 | -113.20 | |
|  Weinstein, Shaul | | | 2025 | ISR | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Vaisberg, Michael | | | 2186 | ISR | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Lukin, Elisha | | | 1933 | ISR | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Gofshtein, Semion | | | 1989 | ISR | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Cohen Revivo, Shoham | | | 1860 | ISR | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Landa, Alex | | | 1935 | ISR | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Hazernov, Nahum | | | 1858 | ISR | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Cohen Revivo, Alon | | | 1992 | ISR | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | Kfar Saba Weekend 2015 B | Kfar Saba | ISR | 2015-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1857 | 1.00 | 4 | -1.19 | 40 | -47.60 | |
| | Gleizer, Mark | f | | 2103 | ISR | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Haitovich, Avital | | | 1933 | ISR | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Milikow, Yoav | | | 1457 * | ISR | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Novik, Maya | | | 1720 | ISR | 0.50 | 1 | -0.18 | 40 | -7.20 | | | * 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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