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Individual Calculations September 2009 |
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| Zelkind, Simeon Total change: -8.55 | |   |
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| Maccabiah 2009 Intl Open | Natanya | ISR | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1789 | 1.00 | 5 | -0.57 | 15 | -8.55 | |
|  Afgin, David | | | 2112 | ISR | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Porat, Hen | | | 1523 | ISR | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Ben-Zeev, Moshe | | | 2060 | ISR | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Hadari, Ariel | | | 2009 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Magen, Paz | | | 2002 | ISR | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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