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Individual Calculations April 2009 |
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| Passov, Alex Total change: -13.50 | |   |
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| 41st Annual Virginia Open | McLean, Virginia | USA | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2179 | 1.50 | 4 | -0.90 | 15 | -13.50 | |
|  Wu, Katherine | | | 1829 | USA | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Guo, Gill Y | | | 2106 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Mark, Eddie E | | | 2030 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Kaufman, Lawrence | g | | 2409 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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