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Individual Calculations April 2009 |
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| Mc Kenna, Geoffrey Total change: -5.40 | |   |
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| 41st Annual Virginia Open | McLean, Virginia | USA | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2226 | 2.00 | 4 | -0.36 | 15 | -5.40 | |
|  Carroll, William | | | 1909 | USA | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Yeager, Daniel A | f | | 2336 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Kaufman, Raymond | m | | 2308 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Mark, Eddie E | | | 2030 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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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