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Individual Calculations September 2011 |
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| Richmond Md, M Barrie Total change: 21.90 | |   |
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| 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1873 | 1.50 | 2 | 0.73 | 30 | 21.90 | |
|  Haessler, Carl A | | | 2167 | USA | 0.50 | 1 | 0.35 | 30 | 10.50 | |  Virkud, Apurva | | | 1782 | USA | 1.00 | 1 | 0.38 | 30 | 11.40 | |
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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