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Individual Calculations July 2009 |
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| Gulko, Boris Total change: -15.50 | |   |
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| 2009 US Championship | St. Louis, Missouri | USA | 2009-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2454 | 2561 | 3.50 | 8 | -1.55 | 10 | -15.50 | |
|  Hughes, Tyler B | | | 2230 | USA | 0.00 | 1 | -0.88 | 10 | -8.80 | |  Robson, Ray | m | | 2465 | USA | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Krush, Irina | m | wg | 2452 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Eckert, Doug D | f | | 2275 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Ibragimov, Ildar | g | | 2586 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Shabalov, Alexander | g | | 2569 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Becerra, Julio J | g | | 2609 | USA | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Shankland, Samuel | m | | 2446 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | |
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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