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Individual Calculations July 2009 |
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| Hasidovsky, Michael Total change: -24.15 | |   |
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| Pines Memorial 2009 | Herzlia | ISR | 2009-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 2112 | 2.50 | 6 | -0.62 | 15 | -9.30 | |
|  Hertz, Yaniv | | | 1996 | ISR | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Blass, Uri | | | 2049 | ISR | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Magen, Paz | | | 1994 | ISR | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Zalkind, Konstantin | f | | 2149 | ISR | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Hasidovski, Arnold | | | 2193 | ISR | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Porat, Daniel | | | 2210 | ISR | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | Shlakman Memorial 2009 | Natanya | ISR | 2009-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2135 | 0.50 | 3 | -0.99 | 15 | -14.85 | |
| | Zror, Oren | | | 2013 | ISR | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Kudischewitsch, David | m | | 2367 | RUS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Kopaloff, Nick | | | 2053 | ISR | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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