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Individual Calculations November 2011 |
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| Cox, Douglas Total change: 12.30 | |   |
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| 2011 Illinois Open Championship | Oak Brook, Illinois | USA | 2011-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1804 | 1.50 | 4 | 0.41 | 30 | 12.30 | |
|  Kogen, Jonathan S | | | 2103 | USA | 0.00 | 1 | -0.15 | 30 | -4.50 | |  Kosteris, Dimitri | | | 1827 | USA | 1.00 | 1 | 0.53 | 30 | 15.90 | | | Dastgir-Butt, Ghulam | | | 2204 * | PAK | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Li, Zhaozhi | | | 1881 | USA | 0.50 | 1 | 0.11 | 30 | 3.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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