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Individual Calculations July 2009 |
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| Gershon, Alik Total change: -4.00 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2439 | 2507 | 5.50 | 10 | -0.40 | 10 | -4.00 | |
|  Postny, Evgeny | g | | 2652 | ISR | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Kaplan, Sasha | m | | 2418 | ISR | 0.50 | 1 | -0.12 | 10 | -1.20 | |  Sidorenko, Ilya | | | 2370 | ISR | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Berkovich, Mark A | m | | 2412 | ISR | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Smirin, Ilia | g | | 2647 | ISR | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Bruk, Ofer | m | | 2456 | ISR | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Bykhovsky, Avigdor | g | | 2403 | RUS | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Maryasin, Boris | m | | 2340 | ISR | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Gurevich, Gregory | | | 2370 | ISR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Birnboim, Nathan | m | | 2319 | ISR | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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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