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Individual Calculations September 2013 |
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| Dermer, Moshe Total change: -70.50 | |   |
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| Macabbiah 2013 Open | Jerusalem | ISR | 2013-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1872 | 1.00 | 5 | -0.89 | 30 | -26.70 | |
|  Nareznoy, David | | | 2090 | ISR | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Belokopyt, Boris | | | 1959 | RUS | 0.00 | 1 | -0.38 | 30 | -11.40 | | | Lawson, Maurice E | | | 1929 | ENG | 0.50 | 1 | 0.08 | 30 | 2.40 | |  Zilbershtein, Victor | | | 1830 | ISR | 0.00 | 1 | -0.56 | 30 | -16.80 | | | Iclicki, Willy | | | 2013 | MNC | 0.50 | 1 | 0.19 | 30 | 5.70 | |
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) | | | | Gideon Japhet International Open B | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1872 | 1.00 | 5 | -1.46 | 30 | -43.80 | |
| | Ritbo, Dan | | | 1943 | ISR | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Rave, Avraham | | | 1834 | ISR | 0.00 | 1 | -0.55 | 30 | -16.50 | | | Klein, Noam | | | 1913 | ISR | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Parkhov, Yair | | | 1780 | ISR | 1.00 | 1 | 0.37 | 30 | 11.10 | | | Shternberg, Zvi | | | 1914 | ISR | 0.00 | 1 | -0.44 | 30 | -13.20 | |
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) | | |
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