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Individual Calculations September 2010 |
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| Vibbert, Sean Total change: 2.55 | |   |
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| 3rd Annual Chicago Class Championships | Oak Brook, Illinois | USA | 2010-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2135 | 2.00 | 4 | 0.17 | 15 | 2.55 | |
|  Chow, Albert C | f | | 2263 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Gilruth, Peter | | | 2192 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | |  Brock, William H | | | 2017 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Stamnov, Aleksandar | f | | 2190 | MKD | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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