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Individual Calculations July 2011 |
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| Vibbert, Sean Total change: 29.25 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2130 | 4.50 | 8 | 1.95 | 15 | 29.25 | |
|  Chiang, Sarah | | wc | 1962 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Morshedi, Ali | f | | 2277 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Gurevich, Dmitry | g | | 2476 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lein, Anatoly | g | | 2274 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Dougherty, Michael | f | | 2207 | CAN | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Young, Angelo | m | | 2371 | PHI | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Zin, Aung Thant | f | | 2295 | MYA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Adamson, Robby | f | | 2328 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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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