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Individual Calculations May 2011 |
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| Boor, Carl Brandon Total change: -19.50 | |   |
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| 12th Pittsburgh Open | Pittsburgh, Pennsylvania | USA | 2011-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2287 | 0.50 | 3 | -1.30 | 15 | -19.50 | |
|  Zenyuk, Iryna | c | wm | 2245 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |  Nikolayev, Igor A | f | | 2289 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Cao, Kevin Y | | | 2103 | USA | 0.00 | 1 | -0.74 | 15 | -11.10 | |
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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