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Individual Calculations July 2009 |
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| Ribshtein, Nati Total change: -1.90 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2386 | 2349 | 2.50 | 6 | -0.19 | 10 | -1.90 | |
|  Klenburg, Mikhail | m | | 2426 | UKR | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Bykhovsky, Avigdor | g | | 2403 | RUS | 0.00 | 1 | -0.42 | 10 | -4.20 | |  Shevelev, Arkady | m | | 2292 | ISR | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Tseitlin, Mark D | g | | 2410 | ISR | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Chernomordik, Pavel | f | | 2289 | ISR | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Gruenfeld, Yehuda | g | | 2498 | ISR | 0.00 | 1 | -0.30 | 10 | -3.00 | |
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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