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Individual Calculations July 2013 |
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| Sachs, Derek D Total change: 20.40 | |   |
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| 22nd Annual Chicago Open - Under 2300 Section | Wheeling, Illinois | USA | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2008 | 3.50 | 7 | 0.68 | 30 | 20.40 | |
|  Finegold, Spencer | | | 2127 | USA | 0.00 | 1 | -0.34 | 30 | -10.20 | |  Jung, Hans | f | | 2127 | CAN | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Hallenbeck, Alex | | | 2038 | USA | 1.00 | 1 | 0.54 | 30 | 16.20 | | | Hyatt, Doug | | | 2035 | USA | 1.00 | 1 | 0.54 | 30 | 16.20 | | | Sakai, Hibicki | | | 2093 | JPN | 1.00 | 1 | 0.62 | 30 | 18.60 | | | Szpisjak, Steven J | | | 2116 | USA | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Peng, David Tianjian | | | 2018 | USA | 0.50 | 1 | 0.01 | 30 | 0.30 | |
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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