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Individual Calculations September 2009 |
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| Botvinnik, Irina Total change: -24.30 | |   |
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| KFS Weekend 2009 | Kfar Saba | ISR | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2240 | 1.50 | 5 | -1.62 | 15 | -24.30 | |
|  Portnoy, Matan | | | 2007 | ISR | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Zilberman, Yaacov | g | | 2439 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kinberg, Ofer | | | 2091 | ISR | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Levine, Yonatan | | | 2053 | ISR | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Givon, Asaf | | | 2132 | ISR | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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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