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Individual Calculations September 2012 |
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| Riddell, John Total change: -50.10 | |   |
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| 113th Annual US Open | Vancouver, Washington | USA | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2197 | 2.50 | 5 | -1.67 | 30 | -50.10 | |
|  Landingin, Jofrel | | | 1797 * | CAN | 0.50 | 1 | -0.42 | 30 | -12.60 | |  Morrow, Hans M | | | 1872 | USA | 1.00 | 1 | 0.13 | 30 | 3.90 | | | Tezcan, Yaman | | | 1923 | TUR | 0.50 | 1 | -0.33 | 30 | -9.90 | | | Brock, William H | | | 2032 | USA | 0.50 | 1 | -0.22 | 30 | -6.60 | | | Li, Zhaozhi | | | 1924 | USA | 0.00 | 1 | -0.83 | 30 | -24.90 | | | * 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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