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Individual Calculations March 2013 |
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| Gershon, Alik Total change: -3.40 | |   |
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| Israel National League 2013 | Various | ISR | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2485 | 2.50 | 4 | -0.34 | 10 | -3.40 | |
|  Gurevich, Gregory | | | 2351 | ISR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Gruenfeld, Yehuda | g | | 2431 | ISR | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Libman, Guy | | | 2261 | ISR | 1.00 | 1 | 0.22 | 10 | 2.20 | |  Porat, David | f | | 2240 | ISR | 1.00 | 1 | 0.20 | 10 | 2.00 | |
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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